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CERTFR-2024-AVI-1102
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| SUSE | N/A | SUSE Linux Enterprise Micro for Rancher 5.3 | ||
| SUSE | N/A | Legacy Module 15-SP5 | ||
| SUSE | N/A | openSUSE Leap Micro 5.5 | ||
| SUSE | N/A | SUSE Linux Enterprise High Performance Computing 15 SP5 | ||
| SUSE | N/A | SUSE Manager Proxy 4.2 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP2 Business Critical Linux | ||
| SUSE | N/A | SUSE Linux Enterprise Desktop 15 SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise Server for SAP Applications 15 SP2 | ||
| SUSE | N/A | SUSE Linux Enterprise Micro 5.3 | ||
| SUSE | N/A | SUSE Manager Proxy 4.3 | ||
| SUSE | N/A | Basesystem Module 15-SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise Micro for Rancher 5.2 | ||
| SUSE | N/A | SUSE Real Time Module 15-SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise High Performance Computing 12 SP5 | ||
| SUSE | N/A | Public Cloud Module 15-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Desktop 15 SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 12 SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability Extension 15 SP4 | ||
| SUSE | N/A | Public Cloud Module 15-SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise Micro for Rancher 5.4 | ||
| SUSE | N/A | SUSE Linux Enterprise Live Patching 15-SP4 | ||
| SUSE | N/A | SUSE Manager Retail Branch Server 4.3 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 12 SP5 LTSS | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability Extension 15 SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Live Patching 15-SP3 | ||
| SUSE | N/A | openSUSE Leap 15.4 | ||
| SUSE | N/A | SUSE Linux Enterprise Live Patching 15-SP2 | ||
| SUSE | N/A | SUSE Linux Enterprise Server for SAP Applications 15 SP4 | ||
| SUSE | N/A | openSUSE Leap 15.5 | ||
| SUSE | N/A | SUSE Manager Server 4.3 | ||
| SUSE | N/A | SUSE Manager Retail Branch Server 4.1 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability Extension 12 SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise High Performance Computing 15 SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise High Performance Computing 15 SP2 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability Extension 15 SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise Live Patching 15-SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP3 Business Critical Linux | ||
| SUSE | N/A | SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS | ||
| SUSE | N/A | SUSE Linux Enterprise Server for SAP Applications 15 SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Real Time 15 SP5 | ||
| SUSE | N/A | Legacy Module 15-SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise Live Patching 12-SP5 | ||
| SUSE | N/A | SUSE Manager Retail Branch Server 4.2 | ||
| SUSE | N/A | Confidential Computing Module 15-SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise Live Patching 15-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP3 | ||
| SUSE | N/A | SUSE Manager Server 4.1 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP4 LTSS | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP2 LTSS | ||
| SUSE | N/A | SUSE Linux Enterprise Micro 5.2 | ||
| SUSE | N/A | SUSE Linux Enterprise Real Time 15 SP6 | ||
| SUSE | N/A | openSUSE Leap 15.6 | ||
| SUSE | N/A | SUSE Enterprise Storage 7.1 | ||
| SUSE | N/A | SUSE Real Time Module 15-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability Extension 15 SP2 | ||
| SUSE | N/A | SUSE Linux Enterprise Desktop 15 SP4 LTSS | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise Real Time 15 SP4 | ||
| SUSE | N/A | SUSE Manager Proxy 4.1 | ||
| SUSE | N/A | SUSE Manager Server 4.2 | ||
| SUSE | N/A | Basesystem Module 15-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Workstation Extension 15 SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise High Performance Computing 15 SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise Server for SAP Applications 15 SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise Server for SAP Applications 12 SP5 | ||
| SUSE | N/A | Development Tools Module 15-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP3 LTSS | ||
| SUSE | N/A | SUSE Linux Enterprise Micro 5.1 | ||
| SUSE | N/A | SUSE Linux Enterprise Micro 5.4 | ||
| SUSE | N/A | openSUSE Leap 15.3 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability Extension 15 SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP2 | ||
| SUSE | N/A | SUSE Linux Enterprise Server for SAP Applications 15 SP6 | ||
| SUSE | N/A | Development Tools Module 15-SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security | ||
| SUSE | N/A | SUSE Linux Enterprise Server 15 SP6 | ||
| SUSE | N/A | SUSE Linux Enterprise Micro 5.5 |
References
| Title | Publication Time | Tags | |||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "SUSE Linux Enterprise Micro for Rancher 5.3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "Legacy Module 15-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "openSUSE Leap Micro 5.5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Performance Computing 15 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Manager Proxy 4.2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP2 Business Critical Linux",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Desktop 15 SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server for SAP Applications 15 SP2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Micro 5.3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Manager Proxy 4.3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "Basesystem Module 15-SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Performance Computing LTSS 15 SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Micro for Rancher 5.2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Real Time Module 15-SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Performance Computing 12 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "Public Cloud Module 15-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Desktop 15 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 12 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability Extension 15 SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "Public Cloud Module 15-SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Micro for Rancher 5.4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 15-SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Manager Retail Branch Server 4.3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 12 SP5 LTSS",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability Extension 15 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "openSUSE Leap 15.4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 15-SP2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server for SAP Applications 15 SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "openSUSE Leap 15.5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Manager Server 4.3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Manager Retail Branch Server 4.1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability Extension 12 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Performance Computing 15 SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Performance Computing 15 SP2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability Extension 15 SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 15-SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP3 Business Critical Linux",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server for SAP Applications 15 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Real Time 15 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "Legacy Module 15-SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 12-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Manager Retail Branch Server 4.2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "Confidential Computing Module 15-SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 15-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Manager Server 4.1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP4 LTSS",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP2 LTSS",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Micro 5.2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Real Time 15 SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "openSUSE Leap 15.6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Enterprise Storage 7.1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Real Time Module 15-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability Extension 15 SP2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Desktop 15 SP4 LTSS",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Performance Computing LTSS 15 SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Real Time 15 SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Manager Proxy 4.1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Manager Server 4.2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "Basesystem Module 15-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Workstation Extension 15 SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Performance Computing 15 SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server for SAP Applications 15 SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server for SAP Applications 12 SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "Development Tools Module 15-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP3 LTSS",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Micro 5.1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Micro 5.4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "openSUSE Leap 15.3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability Extension 15 SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server for SAP Applications 15 SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "Development Tools Module 15-SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 15 SP6",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Micro 5.5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2022-3435",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3435"
},
{
"name": "CVE-2022-45934",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-45934"
},
{
"name": "CVE-2023-28327",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-28327"
},
{
"name": "CVE-2023-2166",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-2166"
},
{
"name": "CVE-2023-6270",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-6270"
},
{
"name": "CVE-2023-52524",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52524"
},
{
"name": "CVE-2024-26801",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26801"
},
{
"name": "CVE-2024-26741",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26741"
},
{
"name": "CVE-2024-26761",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26761"
},
{
"name": "CVE-2024-26782",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26782"
},
{
"name": "CVE-2024-26906",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26906"
},
{
"name": "CVE-2024-27043",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27043"
},
{
"name": "CVE-2024-27051",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27051"
},
{
"name": "CVE-2024-26852",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26852"
},
{
"name": "CVE-2021-47162",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47162"
},
{
"name": "CVE-2024-36031",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36031"
},
{
"name": "CVE-2024-36883",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36883"
},
{
"name": "CVE-2024-36886",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36886"
},
{
"name": "CVE-2024-36905",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36905"
},
{
"name": "CVE-2024-36953",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36953"
},
{
"name": "CVE-2024-36954",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36954"
},
{
"name": "CVE-2024-36957",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36957"
},
{
"name": "CVE-2021-47416",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47416"
},
{
"name": "CVE-2021-47534",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47534"
},
{
"name": "CVE-2023-52766",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52766"
},
{
"name": "CVE-2023-52800",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52800"
},
{
"name": "CVE-2024-26758",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26758"
},
{
"name": "CVE-2024-26943",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26943"
},
{
"name": "CVE-2024-35937",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35937"
},
{
"name": "CVE-2024-35888",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35888"
},
{
"name": "CVE-2024-38589",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38589"
},
{
"name": "CVE-2024-38599",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38599"
},
{
"name": "CVE-2024-26864",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26864"
},
{
"name": "CVE-2024-26886",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26886"
},
{
"name": "CVE-2024-26953",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26953"
},
{
"name": "CVE-2024-27026",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27026"
},
{
"name": "CVE-2023-52881",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52881"
},
{
"name": "CVE-2024-26703",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26703"
},
{
"name": "CVE-2024-27017",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27017"
},
{
"name": "CVE-2024-35980",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35980"
},
{
"name": "CVE-2024-38615",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38615"
},
{
"name": "CVE-2024-39476",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-39476"
},
{
"name": "CVE-2024-40914",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40914"
},
{
"name": "CVE-2024-26767",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26767"
},
{
"name": "CVE-2022-48674",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48674"
},
{
"name": "CVE-2024-36000",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36000"
},
{
"name": "CVE-2024-36920",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36920"
},
{
"name": "CVE-2024-36927",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36927"
},
{
"name": "CVE-2024-36968",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36968"
},
{
"name": "CVE-2024-38576",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38576"
},
{
"name": "CVE-2024-38577",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38577"
},
{
"name": "CVE-2022-48853",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48853"
},
{
"name": "CVE-2024-41016",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41016"
},
{
"name": "CVE-2024-42145",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42145"
},
{
"name": "CVE-2024-36484",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36484"
},
{
"name": "CVE-2024-41049",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41049"
},
{
"name": "CVE-2024-42102",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42102"
},
{
"name": "CVE-2024-42131",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42131"
},
{
"name": "CVE-2024-42229",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42229"
},
{
"name": "CVE-2024-36244",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36244"
},
{
"name": "CVE-2024-40965",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40965"
},
{
"name": "CVE-2024-40997",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40997"
},
{
"name": "CVE-2024-41047",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41047"
},
{
"name": "CVE-2024-42098",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42098"
},
{
"name": "CVE-2024-42226",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42226"
},
{
"name": "CVE-2024-42253",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42253"
},
{
"name": "CVE-2024-43817",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-43817"
},
{
"name": "CVE-2024-43854",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-43854"
},
{
"name": "CVE-2024-43897",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-43897"
},
{
"name": "CVE-2024-44931",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44931"
},
{
"name": "CVE-2024-44947",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44947"
},
{
"name": "CVE-2024-41023",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41023"
},
{
"name": "CVE-2024-41031",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41031"
},
{
"name": "CVE-2024-44995",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44995"
},
{
"name": "CVE-2024-45016",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-45016"
},
{
"name": "CVE-2024-45025",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-45025"
},
{
"name": "CVE-2024-46716",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46716"
},
{
"name": "CVE-2024-46719",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46719"
},
{
"name": "CVE-2024-46721",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46721"
},
{
"name": "CVE-2024-46770",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46770"
},
{
"name": "CVE-2024-46771",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46771"
},
{
"name": "CVE-2024-46777",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46777"
},
{
"name": "CVE-2024-46800",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46800"
},
{
"name": "CVE-2024-46802",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46802"
},
{
"name": "CVE-2024-46804",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46804"
},
{
"name": "CVE-2024-46805",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46805"
},
{
"name": "CVE-2024-46807",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46807"
},
{
"name": "CVE-2024-46810",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46810"
},
{
"name": "CVE-2024-46812",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46812"
},
{
"name": "CVE-2024-46814",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46814"
},
{
"name": "CVE-2024-46815",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46815"
},
{
"name": "CVE-2024-46817",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46817"
},
{
"name": "CVE-2024-46818",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46818"
},
{
"name": "CVE-2024-46819",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46819"
},
{
"name": "CVE-2024-46821",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46821"
},
{
"name": "CVE-2024-46826",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46826"
},
{
"name": "CVE-2024-46828",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46828"
},
{
"name": "CVE-2024-46830",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46830"
},
{
"name": "CVE-2024-46835",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46835"
},
{
"name": "CVE-2024-46836",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46836"
},
{
"name": "CVE-2024-46840",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46840"
},
{
"name": "CVE-2024-46846",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46846"
},
{
"name": "CVE-2024-46848",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46848"
},
{
"name": "CVE-2024-46849",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46849"
},
{
"name": "CVE-2024-46852",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46852"
},
{
"name": "CVE-2024-46853",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46853"
},
{
"name": "CVE-2024-46854",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46854"
},
{
"name": "CVE-2024-46855",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46855"
},
{
"name": "CVE-2024-46857",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46857"
},
{
"name": "CVE-2024-46859",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46859"
},
{
"name": "CVE-2023-52915",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52915"
},
{
"name": "CVE-2024-41082",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41082"
},
{
"name": "CVE-2024-46678",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46678"
},
{
"name": "CVE-2024-46775",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46775"
},
{
"name": "CVE-2024-46797",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46797"
},
{
"name": "CVE-2024-47668",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47668"
},
{
"name": "CVE-2023-52918",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52918"
},
{
"name": "CVE-2024-47663",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47663"
},
{
"name": "CVE-2024-47667",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47667"
},
{
"name": "CVE-2024-47669",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47669"
},
{
"name": "CVE-2022-48664",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48664"
},
{
"name": "CVE-2022-48879",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48879"
},
{
"name": "CVE-2022-48946",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48946"
},
{
"name": "CVE-2022-48947",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48947"
},
{
"name": "CVE-2022-48948",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48948"
},
{
"name": "CVE-2022-48949",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48949"
},
{
"name": "CVE-2022-48951",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48951"
},
{
"name": "CVE-2022-48953",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48953"
},
{
"name": "CVE-2022-48954",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48954"
},
{
"name": "CVE-2022-48955",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48955"
},
{
"name": "CVE-2022-48956",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48956"
},
{
"name": "CVE-2022-48957",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48957"
},
{
"name": "CVE-2022-48958",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48958"
},
{
"name": "CVE-2022-48959",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48959"
},
{
"name": "CVE-2022-48960",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48960"
},
{
"name": "CVE-2022-48961",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48961"
},
{
"name": "CVE-2022-48962",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48962"
},
{
"name": "CVE-2022-48966",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48966"
},
{
"name": "CVE-2022-48967",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48967"
},
{
"name": "CVE-2022-48968",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48968"
},
{
"name": "CVE-2022-48969",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48969"
},
{
"name": "CVE-2022-48970",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48970"
},
{
"name": "CVE-2022-48971",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48971"
},
{
"name": "CVE-2022-48972",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48972"
},
{
"name": "CVE-2022-48973",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48973"
},
{
"name": "CVE-2022-48975",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48975"
},
{
"name": "CVE-2022-48977",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48977"
},
{
"name": "CVE-2022-48978",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48978"
},
{
"name": "CVE-2022-48980",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48980"
},
{
"name": "CVE-2022-48981",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48981"
},
{
"name": "CVE-2022-48985",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48985"
},
{
"name": "CVE-2022-48987",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48987"
},
{
"name": "CVE-2022-48988",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48988"
},
{
"name": "CVE-2022-48991",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48991"
},
{
"name": "CVE-2022-48992",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48992"
},
{
"name": "CVE-2022-48994",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48994"
},
{
"name": "CVE-2022-48995",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48995"
},
{
"name": "CVE-2022-48997",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48997"
},
{
"name": "CVE-2022-48999",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48999"
},
{
"name": "CVE-2022-49000",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49000"
},
{
"name": "CVE-2022-49002",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49002"
},
{
"name": "CVE-2022-49003",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49003"
},
{
"name": "CVE-2022-49005",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49005"
},
{
"name": "CVE-2022-49006",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49006"
},
{
"name": "CVE-2022-49007",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49007"
},
{
"name": "CVE-2022-49010",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49010"
},
{
"name": "CVE-2022-49011",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49011"
},
{
"name": "CVE-2022-49012",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49012"
},
{
"name": "CVE-2022-49014",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49014"
},
{
"name": "CVE-2022-49015",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49015"
},
{
"name": "CVE-2022-49016",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49016"
},
{
"name": "CVE-2022-49017",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49017"
},
{
"name": "CVE-2022-49019",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49019"
},
{
"name": "CVE-2022-49020",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49020"
},
{
"name": "CVE-2022-49021",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49021"
},
{
"name": "CVE-2022-49022",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49022"
},
{
"name": "CVE-2022-49023",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49023"
},
{
"name": "CVE-2022-49024",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49024"
},
{
"name": "CVE-2022-49025",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49025"
},
{
"name": "CVE-2022-49026",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49026"
},
{
"name": "CVE-2022-49027",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49027"
},
{
"name": "CVE-2022-49028",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49028"
},
{
"name": "CVE-2022-49029",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49029"
},
{
"name": "CVE-2022-49031",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49031"
},
{
"name": "CVE-2022-49032",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49032"
},
{
"name": "CVE-2023-52917",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52917"
},
{
"name": "CVE-2023-52919",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52919"
},
{
"name": "CVE-2024-44932",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44932"
},
{
"name": "CVE-2024-44964",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44964"
},
{
"name": "CVE-2024-46754",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46754"
},
{
"name": "CVE-2024-46766",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46766"
},
{
"name": "CVE-2024-46803",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46803"
},
{
"name": "CVE-2024-46806",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46806"
},
{
"name": "CVE-2024-46809",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46809"
},
{
"name": "CVE-2024-46811",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46811"
},
{
"name": "CVE-2024-46813",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46813"
},
{
"name": "CVE-2024-46816",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46816"
},
{
"name": "CVE-2024-46825",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46825"
},
{
"name": "CVE-2024-46827",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46827"
},
{
"name": "CVE-2024-46831",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46831"
},
{
"name": "CVE-2024-46834",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46834"
},
{
"name": "CVE-2024-46841",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46841"
},
{
"name": "CVE-2024-46842",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46842"
},
{
"name": "CVE-2024-46843",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46843"
},
{
"name": "CVE-2024-46851",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46851"
},
{
"name": "CVE-2024-46860",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46860"
},
{
"name": "CVE-2024-46861",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46861"
},
{
"name": "CVE-2024-46864",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46864"
},
{
"name": "CVE-2024-46870",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46870"
},
{
"name": "CVE-2024-46871",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46871"
},
{
"name": "CVE-2024-47658",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47658"
},
{
"name": "CVE-2024-47661",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47661"
},
{
"name": "CVE-2024-44958",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44958"
},
{
"name": "CVE-2024-47660",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47660"
},
{
"name": "CVE-2024-47665",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47665"
},
{
"name": "CVE-2024-47662",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47662"
},
{
"name": "CVE-2024-47664",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47664"
},
{
"name": "CVE-2024-47670",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47670"
},
{
"name": "CVE-2024-47671",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47671"
},
{
"name": "CVE-2024-47672",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47672"
},
{
"name": "CVE-2024-47673",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47673"
},
{
"name": "CVE-2024-47674",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47674"
},
{
"name": "CVE-2024-47675",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47675"
},
{
"name": "CVE-2024-47681",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47681"
},
{
"name": "CVE-2024-47682",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47682"
},
{
"name": "CVE-2024-47684",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47684"
},
{
"name": "CVE-2024-47685",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47685"
},
{
"name": "CVE-2024-47686",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47686"
},
{
"name": "CVE-2024-47687",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47687"
},
{
"name": "CVE-2024-47688",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47688"
},
{
"name": "CVE-2024-47692",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47692"
},
{
"name": "CVE-2024-47693",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47693"
},
{
"name": "CVE-2024-47695",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47695"
},
{
"name": "CVE-2024-47696",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47696"
},
{
"name": "CVE-2024-47697",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47697"
},
{
"name": "CVE-2024-47698",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47698"
},
{
"name": "CVE-2024-47699",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47699"
},
{
"name": "CVE-2024-47702",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47702"
},
{
"name": "CVE-2024-47704",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47704"
},
{
"name": "CVE-2024-47705",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47705"
},
{
"name": "CVE-2024-47706",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47706"
},
{
"name": "CVE-2024-47707",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47707"
},
{
"name": "CVE-2024-47709",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47709"
},
{
"name": "CVE-2024-47710",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47710"
},
{
"name": "CVE-2024-47712",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47712"
},
{
"name": "CVE-2024-47713",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47713"
},
{
"name": "CVE-2024-47714",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47714"
},
{
"name": "CVE-2024-47715",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47715"
},
{
"name": "CVE-2024-47718",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47718"
},
{
"name": "CVE-2024-47719",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47719"
},
{
"name": "CVE-2024-47720",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47720"
},
{
"name": "CVE-2024-47723",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47723"
},
{
"name": "CVE-2024-47727",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47727"
},
{
"name": "CVE-2024-47728",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47728"
},
{
"name": "CVE-2024-47730",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47730"
},
{
"name": "CVE-2024-47731",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47731"
},
{
"name": "CVE-2024-47732",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47732"
},
{
"name": "CVE-2024-47735",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47735"
},
{
"name": "CVE-2024-47737",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47737"
},
{
"name": "CVE-2024-47738",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47738"
},
{
"name": "CVE-2024-47739",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47739"
},
{
"name": "CVE-2024-47741",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47741"
},
{
"name": "CVE-2024-47742",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47742"
},
{
"name": "CVE-2024-47743",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47743"
},
{
"name": "CVE-2024-47744",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47744"
},
{
"name": "CVE-2024-47745",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47745"
},
{
"name": "CVE-2024-47747",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47747"
},
{
"name": "CVE-2024-47748",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47748"
},
{
"name": "CVE-2024-47749",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47749"
},
{
"name": "CVE-2024-47750",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47750"
},
{
"name": "CVE-2024-47751",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47751"
},
{
"name": "CVE-2024-47752",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47752"
},
{
"name": "CVE-2024-47753",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47753"
},
{
"name": "CVE-2024-47754",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47754"
},
{
"name": "CVE-2024-47756",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47756"
},
{
"name": "CVE-2024-47757",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47757"
},
{
"name": "CVE-2024-49850",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49850"
},
{
"name": "CVE-2024-49851",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49851"
},
{
"name": "CVE-2024-49852",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49852"
},
{
"name": "CVE-2024-49853",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49853"
},
{
"name": "CVE-2024-49855",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49855"
},
{
"name": "CVE-2024-49858",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49858"
},
{
"name": "CVE-2024-49860",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49860"
},
{
"name": "CVE-2024-49861",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49861"
},
{
"name": "CVE-2024-49862",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49862"
},
{
"name": "CVE-2024-49863",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49863"
},
{
"name": "CVE-2024-49864",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49864"
},
{
"name": "CVE-2024-49866",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49866"
},
{
"name": "CVE-2024-49867",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49867"
},
{
"name": "CVE-2024-49870",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49870"
},
{
"name": "CVE-2024-49871",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49871"
},
{
"name": "CVE-2024-49874",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49874"
},
{
"name": "CVE-2024-49875",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49875"
},
{
"name": "CVE-2024-49877",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49877"
},
{
"name": "CVE-2024-49878",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49878"
},
{
"name": "CVE-2024-49879",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49879"
},
{
"name": "CVE-2024-49881",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49881"
},
{
"name": "CVE-2024-49882",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49882"
},
{
"name": "CVE-2024-49883",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49883"
},
{
"name": "CVE-2024-49886",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49886"
},
{
"name": "CVE-2024-49888",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49888"
},
{
"name": "CVE-2024-49890",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49890"
},
{
"name": "CVE-2024-49891",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49891"
},
{
"name": "CVE-2024-49892",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49892"
},
{
"name": "CVE-2024-49894",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49894"
},
{
"name": "CVE-2024-49895",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49895"
},
{
"name": "CVE-2024-49896",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49896"
},
{
"name": "CVE-2024-49897",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49897"
},
{
"name": "CVE-2024-49898",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49898"
},
{
"name": "CVE-2024-49899",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49899"
},
{
"name": "CVE-2024-49900",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49900"
},
{
"name": "CVE-2024-49901",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49901"
},
{
"name": "CVE-2024-49902",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49902"
},
{
"name": "CVE-2024-49903",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49903"
},
{
"name": "CVE-2024-49906",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49906"
},
{
"name": "CVE-2024-49907",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49907"
},
{
"name": "CVE-2024-49908",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49908"
},
{
"name": "CVE-2024-49909",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49909"
},
{
"name": "CVE-2024-49911",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49911"
},
{
"name": "CVE-2024-49912",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49912"
},
{
"name": "CVE-2024-49913",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49913"
},
{
"name": "CVE-2024-49914",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49914"
},
{
"name": "CVE-2024-49917",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49917"
},
{
"name": "CVE-2024-49918",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49918"
},
{
"name": "CVE-2024-49919",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49919"
},
{
"name": "CVE-2024-49920",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49920"
},
{
"name": "CVE-2024-49922",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49922"
},
{
"name": "CVE-2024-49923",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49923"
},
{
"name": "CVE-2024-49928",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49928"
},
{
"name": "CVE-2024-49929",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49929"
},
{
"name": "CVE-2024-49930",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49930"
},
{
"name": "CVE-2024-49931",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49931"
},
{
"name": "CVE-2024-49933",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49933"
},
{
"name": "CVE-2024-49935",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49935"
},
{
"name": "CVE-2024-49936",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49936"
},
{
"name": "CVE-2024-49937",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49937"
},
{
"name": "CVE-2024-49938",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49938"
},
{
"name": "CVE-2024-49939",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49939"
},
{
"name": "CVE-2024-49946",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49946"
},
{
"name": "CVE-2024-49947",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49947"
},
{
"name": "CVE-2024-49949",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49949"
},
{
"name": "CVE-2024-49950",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49950"
},
{
"name": "CVE-2024-49953",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49953"
},
{
"name": "CVE-2024-49954",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49954"
},
{
"name": "CVE-2024-49955",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49955"
},
{
"name": "CVE-2024-49957",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49957"
},
{
"name": "CVE-2024-49958",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49958"
},
{
"name": "CVE-2024-49959",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49959"
},
{
"name": "CVE-2024-49960",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49960"
},
{
"name": "CVE-2024-49961",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49961"
},
{
"name": "CVE-2024-49962",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49962"
},
{
"name": "CVE-2024-49963",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49963"
},
{
"name": "CVE-2024-49965",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49965"
},
{
"name": "CVE-2024-49966",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49966"
},
{
"name": "CVE-2024-49967",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49967"
},
{
"name": "CVE-2024-49969",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49969"
},
{
"name": "CVE-2024-49972",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49972"
},
{
"name": "CVE-2024-49973",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49973"
},
{
"name": "CVE-2024-49974",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49974"
},
{
"name": "CVE-2024-49975",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49975"
},
{
"name": "CVE-2024-49981",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49981"
},
{
"name": "CVE-2024-49982",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49982"
},
{
"name": "CVE-2024-49985",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49985"
},
{
"name": "CVE-2024-49986",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49986"
},
{
"name": "CVE-2024-49991",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49991"
},
{
"name": "CVE-2024-49993",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49993"
},
{
"name": "CVE-2024-49995",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49995"
},
{
"name": "CVE-2024-49996",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49996"
},
{
"name": "CVE-2024-50000",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50000"
},
{
"name": "CVE-2024-50001",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50001"
},
{
"name": "CVE-2024-50002",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50002"
},
{
"name": "CVE-2024-50006",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50006"
},
{
"name": "CVE-2024-50007",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50007"
},
{
"name": "CVE-2024-50008",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50008"
},
{
"name": "CVE-2024-50013",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50013"
},
{
"name": "CVE-2024-50014",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50014"
},
{
"name": "CVE-2024-50015",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50015"
},
{
"name": "CVE-2024-50017",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50017"
},
{
"name": "CVE-2024-50019",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50019"
},
{
"name": "CVE-2024-50020",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50020"
},
{
"name": "CVE-2024-50021",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50021"
},
{
"name": "CVE-2024-50022",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50022"
},
{
"name": "CVE-2024-50023",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50023"
},
{
"name": "CVE-2024-50024",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50024"
},
{
"name": "CVE-2024-50025",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50025"
},
{
"name": "CVE-2024-50027",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50027"
},
{
"name": "CVE-2024-50028",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50028"
},
{
"name": "CVE-2024-50031",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50031"
},
{
"name": "CVE-2024-50033",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50033"
},
{
"name": "CVE-2024-50035",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50035"
},
{
"name": "CVE-2024-50040",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50040"
},
{
"name": "CVE-2024-50041",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50041"
},
{
"name": "CVE-2024-50042",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50042"
},
{
"name": "CVE-2024-50044",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50044"
},
{
"name": "CVE-2024-50045",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50045"
},
{
"name": "CVE-2024-50046",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50046"
},
{
"name": "CVE-2024-50047",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50047"
},
{
"name": "CVE-2024-50048",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50048"
},
{
"name": "CVE-2024-50049",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50049"
},
{
"name": "CVE-2024-50055",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50055"
},
{
"name": "CVE-2024-50058",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50058"
},
{
"name": "CVE-2024-50059",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50059"
},
{
"name": "CVE-2024-50060",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50060"
},
{
"name": "CVE-2024-50061",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50061"
},
{
"name": "CVE-2024-50062",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50062"
},
{
"name": "CVE-2024-50063",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50063"
},
{
"name": "CVE-2024-50064",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50064"
},
{
"name": "CVE-2024-50069",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50069"
},
{
"name": "CVE-2024-50073",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50073"
},
{
"name": "CVE-2024-50074",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50074"
},
{
"name": "CVE-2024-50075",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50075"
},
{
"name": "CVE-2024-50076",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50076"
},
{
"name": "CVE-2024-50077",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50077"
},
{
"name": "CVE-2024-50078",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50078"
},
{
"name": "CVE-2024-50080",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50080"
},
{
"name": "CVE-2024-50081",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50081"
},
{
"name": "CVE-2024-50012",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50012"
},
{
"name": "CVE-2024-50067",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50067"
},
{
"name": "CVE-2024-50215",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50215"
},
{
"name": "CVE-2024-50218",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50218"
},
{
"name": "CVE-2024-50228",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50228"
},
{
"name": "CVE-2024-50229",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50229"
},
{
"name": "CVE-2024-50230",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50230"
},
{
"name": "CVE-2024-50232",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50232"
},
{
"name": "CVE-2024-50233",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50233"
},
{
"name": "CVE-2024-50234",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50234"
},
{
"name": "CVE-2024-50235",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50235"
},
{
"name": "CVE-2024-50236",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50236"
},
{
"name": "CVE-2024-50237",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50237"
},
{
"name": "CVE-2024-50245",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50245"
},
{
"name": "CVE-2024-50249",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50249"
},
{
"name": "CVE-2024-50250",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50250"
},
{
"name": "CVE-2024-50252",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50252"
},
{
"name": "CVE-2024-50255",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50255"
},
{
"name": "CVE-2024-50257",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50257"
},
{
"name": "CVE-2024-50259",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50259"
},
{
"name": "CVE-2024-50261",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50261"
},
{
"name": "CVE-2024-50264",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50264"
},
{
"name": "CVE-2024-50265",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50265"
},
{
"name": "CVE-2024-50267",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50267"
},
{
"name": "CVE-2024-50268",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50268"
},
{
"name": "CVE-2024-50269",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50269"
},
{
"name": "CVE-2024-50271",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50271"
},
{
"name": "CVE-2024-50273",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50273"
},
{
"name": "CVE-2024-50276",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50276"
},
{
"name": "CVE-2024-50278",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50278"
},
{
"name": "CVE-2024-50279",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50279"
},
{
"name": "CVE-2024-50282",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50282"
},
{
"name": "CVE-2024-50287",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50287"
},
{
"name": "CVE-2024-50290",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50290"
},
{
"name": "CVE-2024-50292",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50292"
},
{
"name": "CVE-2024-50295",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50295"
},
{
"name": "CVE-2024-50296",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50296"
},
{
"name": "CVE-2024-50301",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50301"
},
{
"name": "CVE-2024-50302",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50302"
},
{
"name": "CVE-2024-53042",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53042"
},
{
"name": "CVE-2024-53043",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53043"
},
{
"name": "CVE-2024-53052",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53052"
},
{
"name": "CVE-2024-53055",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53055"
},
{
"name": "CVE-2024-53058",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53058"
},
{
"name": "CVE-2024-53059",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53059"
},
{
"name": "CVE-2024-53060",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53060"
},
{
"name": "CVE-2024-53061",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53061"
},
{
"name": "CVE-2024-53063",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53063"
},
{
"name": "CVE-2024-53066",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53066"
},
{
"name": "CVE-2024-53072",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53072"
},
{
"name": "CVE-2024-53081",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53081"
},
{
"name": "CVE-2024-53082",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53082"
},
{
"name": "CVE-2024-53088",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53088"
},
{
"name": "CVE-2024-53093",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53093"
},
{
"name": "CVE-2024-49925",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49925"
},
{
"name": "CVE-2024-49945",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49945"
},
{
"name": "CVE-2024-50208",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50208"
},
{
"name": "CVE-2024-50082",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50082"
},
{
"name": "CVE-2024-50099",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50099"
},
{
"name": "CVE-2024-50110",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50110"
},
{
"name": "CVE-2024-50192",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50192"
},
{
"name": "CVE-2024-46680",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46680"
},
{
"name": "CVE-2024-46681",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46681"
},
{
"name": "CVE-2024-46765",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46765"
},
{
"name": "CVE-2024-46788",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46788"
},
{
"name": "CVE-2024-46845",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46845"
},
{
"name": "CVE-2024-47666",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47666"
},
{
"name": "CVE-2024-47679",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47679"
},
{
"name": "CVE-2024-47701",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47701"
},
{
"name": "CVE-2024-49868",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49868"
},
{
"name": "CVE-2024-49884",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49884"
},
{
"name": "CVE-2024-49905",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49905"
},
{
"name": "CVE-2024-49921",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49921"
},
{
"name": "CVE-2024-49924",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49924"
},
{
"name": "CVE-2024-49944",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49944"
},
{
"name": "CVE-2024-49952",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49952"
},
{
"name": "CVE-2024-49983",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49983"
},
{
"name": "CVE-2024-50003",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50003"
},
{
"name": "CVE-2024-50093",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50093"
},
{
"name": "CVE-2024-50095",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50095"
},
{
"name": "CVE-2024-50096",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50096"
},
{
"name": "CVE-2024-50179",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50179"
},
{
"name": "CVE-2024-50180",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50180"
},
{
"name": "CVE-2024-50181",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50181"
},
{
"name": "CVE-2024-50184",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50184"
},
{
"name": "CVE-2024-50186",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50186"
},
{
"name": "CVE-2024-50188",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50188"
},
{
"name": "CVE-2024-50189",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50189"
},
{
"name": "CVE-2021-47594",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47594"
},
{
"name": "CVE-2022-48979",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48979"
},
{
"name": "CVE-2022-48982",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48982"
},
{
"name": "CVE-2022-48983",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48983"
},
{
"name": "CVE-2022-48989",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48989"
},
{
"name": "CVE-2022-48990",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48990"
},
{
"name": "CVE-2023-52778",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52778"
},
{
"name": "CVE-2023-52920",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52920"
},
{
"name": "CVE-2023-52921",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52921"
},
{
"name": "CVE-2023-52922",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52922"
},
{
"name": "CVE-2024-26596",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26596"
},
{
"name": "CVE-2024-27407",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27407"
},
{
"name": "CVE-2024-47703",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47703"
},
{
"name": "CVE-2024-49934",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49934"
},
{
"name": "CVE-2024-49968",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49968"
},
{
"name": "CVE-2024-49976",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49976"
},
{
"name": "CVE-2024-49987",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49987"
},
{
"name": "CVE-2024-49989",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49989"
},
{
"name": "CVE-2024-50004",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50004"
},
{
"name": "CVE-2024-50009",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50009"
},
{
"name": "CVE-2024-50026",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50026"
},
{
"name": "CVE-2024-50084",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50084"
},
{
"name": "CVE-2024-50087",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50087"
},
{
"name": "CVE-2024-50088",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50088"
},
{
"name": "CVE-2024-50089",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50089"
},
{
"name": "CVE-2024-50098",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50098"
},
{
"name": "CVE-2024-50100",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50100"
},
{
"name": "CVE-2024-50101",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50101"
},
{
"name": "CVE-2024-50102",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50102"
},
{
"name": "CVE-2024-50103",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50103"
},
{
"name": "CVE-2024-50108",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50108"
},
{
"name": "CVE-2024-50115",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50115"
},
{
"name": "CVE-2024-50116",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50116"
},
{
"name": "CVE-2024-50117",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50117"
},
{
"name": "CVE-2024-50121",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50121"
},
{
"name": "CVE-2024-50124",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50124"
},
{
"name": "CVE-2024-50125",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50125"
},
{
"name": "CVE-2024-50127",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50127"
},
{
"name": "CVE-2024-50128",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50128"
},
{
"name": "CVE-2024-50130",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50130"
},
{
"name": "CVE-2024-50131",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50131"
},
{
"name": "CVE-2024-50134",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50134"
},
{
"name": "CVE-2024-50135",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50135"
},
{
"name": "CVE-2024-50136",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50136"
},
{
"name": "CVE-2024-50138",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50138"
},
{
"name": "CVE-2024-50139",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50139"
},
{
"name": "CVE-2024-50141",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50141"
},
{
"name": "CVE-2024-50145",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50145"
},
{
"name": "CVE-2024-50146",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50146"
},
{
"name": "CVE-2024-50147",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50147"
},
{
"name": "CVE-2024-50148",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50148"
},
{
"name": "CVE-2024-50150",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50150"
},
{
"name": "CVE-2024-50153",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50153"
},
{
"name": "CVE-2024-50154",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50154"
},
{
"name": "CVE-2024-50155",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50155"
},
{
"name": "CVE-2024-50156",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50156"
},
{
"name": "CVE-2024-50157",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50157"
},
{
"name": "CVE-2024-50158",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50158"
},
{
"name": "CVE-2024-50159",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50159"
},
{
"name": "CVE-2024-50160",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50160"
},
{
"name": "CVE-2024-50166",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50166"
},
{
"name": "CVE-2024-50167",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50167"
},
{
"name": "CVE-2024-50169",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50169"
},
{
"name": "CVE-2024-50171",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50171"
},
{
"name": "CVE-2024-50172",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50172"
},
{
"name": "CVE-2024-50175",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50175"
},
{
"name": "CVE-2024-50176",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50176"
},
{
"name": "CVE-2024-50177",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50177"
},
{
"name": "CVE-2024-50182",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50182"
},
{
"name": "CVE-2024-50183",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50183"
},
{
"name": "CVE-2024-50187",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50187"
},
{
"name": "CVE-2024-50194",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50194"
},
{
"name": "CVE-2024-50195",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50195"
},
{
"name": "CVE-2024-50196",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50196"
},
{
"name": "CVE-2024-50198",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50198"
},
{
"name": "CVE-2024-50200",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50200"
},
{
"name": "CVE-2024-50201",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50201"
},
{
"name": "CVE-2024-50205",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50205"
},
{
"name": "CVE-2024-50209",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50209"
},
{
"name": "CVE-2024-50210",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50210"
},
{
"name": "CVE-2024-50216",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50216"
},
{
"name": "CVE-2024-50221",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50221"
},
{
"name": "CVE-2024-50224",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50224"
},
{
"name": "CVE-2024-50225",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50225"
},
{
"name": "CVE-2024-50231",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50231"
},
{
"name": "CVE-2024-50240",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50240"
},
{
"name": "CVE-2024-50246",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50246"
},
{
"name": "CVE-2024-50248",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50248"
},
{
"name": "CVE-2024-50274",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50274"
},
{
"name": "CVE-2024-50275",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50275"
},
{
"name": "CVE-2024-50289",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50289"
},
{
"name": "CVE-2024-50298",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50298"
},
{
"name": "CVE-2024-53045",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53045"
},
{
"name": "CVE-2024-53048",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53048"
},
{
"name": "CVE-2024-53051",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53051"
},
{
"name": "CVE-2024-53056",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53056"
},
{
"name": "CVE-2024-53068",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53068"
},
{
"name": "CVE-2024-53074",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53074"
},
{
"name": "CVE-2024-53076",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53076"
},
{
"name": "CVE-2024-53079",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53079"
},
{
"name": "CVE-2024-53085",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53085"
},
{
"name": "CVE-2024-53094",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53094"
},
{
"name": "CVE-2024-53095",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53095"
},
{
"name": "CVE-2024-53096",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53096"
},
{
"name": "CVE-2024-53100",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53100"
},
{
"name": "CVE-2024-53101",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53101"
},
{
"name": "CVE-2024-53104",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53104"
},
{
"name": "CVE-2024-53106",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53106"
},
{
"name": "CVE-2024-53108",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53108"
},
{
"name": "CVE-2024-53110",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53110"
},
{
"name": "CVE-2024-53112",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53112"
},
{
"name": "CVE-2024-53114",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53114"
},
{
"name": "CVE-2024-53121",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53121"
},
{
"name": "CVE-2024-53138",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53138"
},
{
"name": "CVE-2024-53142",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53142"
}
],
"initial_release_date": "2024-12-20T00:00:00",
"last_revision_date": "2024-12-20T00:00:00",
"links": [],
"reference": "CERTFR-2024-AVI-1102",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2024-12-20T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de SUSE. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de SUSE",
"vendor_advisories": [
{
"published_at": "2024-12-13",
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2024:4314-1",
"url": "https://www.suse.com/support/update/announcement/2024/suse-su-20244314-1"
},
{
"published_at": "2024-12-17",
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2024:4367-1",
"url": "https://www.suse.com/support/update/announcement/2024/suse-su-20244367-1"
},
{
"published_at": "2024-12-13",
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2024:4317-1",
"url": "https://www.suse.com/support/update/announcement/2024/suse-su-20244317-1"
},
{
"published_at": "2024-12-13",
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2024:4313-1",
"url": "https://www.suse.com/support/update/announcement/2024/suse-su-20244313-1"
},
{
"published_at": "2024-12-19",
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2024:4388-1",
"url": "https://www.suse.com/support/update/announcement/2024/suse-su-20244388-1"
},
{
"published_at": "2024-12-17",
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2024:4346-1",
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CVE-2024-47699 (GCVE-0-2024-47699)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nilfs2: fix potential null-ptr-deref in nilfs_btree_insert()
Patch series "nilfs2: fix potential issues with empty b-tree nodes".
This series addresses three potential issues with empty b-tree nodes that
can occur with corrupted filesystem images, including one recently
discovered by syzbot.
This patch (of 3):
If a b-tree is broken on the device, and the b-tree height is greater than
2 (the level of the root node is greater than 1) even if the number of
child nodes of the b-tree root is 0, a NULL pointer dereference occurs in
nilfs_btree_prepare_insert(), which is called from nilfs_btree_insert().
This is because, when the number of child nodes of the b-tree root is 0,
nilfs_btree_do_lookup() does not set the block buffer head in any of
path[x].bp_bh, leaving it as the initial value of NULL, but if the level
of the b-tree root node is greater than 1, nilfs_btree_get_nonroot_node(),
which accesses the buffer memory of path[x].bp_bh, is called.
Fix this issue by adding a check to nilfs_btree_root_broken(), which
performs sanity checks when reading the root node from the device, to
detect this inconsistency.
Thanks to Lizhi Xu for trying to solve the bug and clarifying the cause
early on.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 |
||
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CVE-2024-50141 (GCVE-0-2024-50141)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPI: PRM: Find EFI_MEMORY_RUNTIME block for PRM handler and context
PRMT needs to find the correct type of block to translate the PA-VA
mapping for EFI runtime services.
The issue arises because the PRMT is finding a block of type
EFI_CONVENTIONAL_MEMORY, which is not appropriate for runtime services
as described in Section 2.2.2 (Runtime Services) of the UEFI
Specification [1]. Since the PRM handler is a type of runtime service,
this causes an exception when the PRM handler is called.
[Firmware Bug]: Unable to handle paging request in EFI runtime service
WARNING: CPU: 22 PID: 4330 at drivers/firmware/efi/runtime-wrappers.c:341
__efi_queue_work+0x11c/0x170
Call trace:
Let PRMT find a block with EFI_MEMORY_RUNTIME for PRM handler and PRM
context.
If no suitable block is found, a warning message will be printed, but
the procedure continues to manage the next PRM handler.
However, if the PRM handler is actually called without proper allocation,
it would result in a failure during error handling.
By using the correct memory types for runtime services, ensure that the
PRM handler and the context are properly mapped in the virtual address
space during runtime, preventing the paging request error.
The issue is really that only memory that has been remapped for runtime
by the firmware can be used by the PRM handler, and so the region needs
to have the EFI_MEMORY_RUNTIME attribute.
[ rjw: Subject and changelog edits ]
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50035 (GCVE-0-2024-50035)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-12 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ppp: fix ppp_async_encode() illegal access
syzbot reported an issue in ppp_async_encode() [1]
In this case, pppoe_sendmsg() is called with a zero size.
Then ppp_async_encode() is called with an empty skb.
BUG: KMSAN: uninit-value in ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]
BUG: KMSAN: uninit-value in ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675
ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline]
ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675
ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634
ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [inline]
ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304
pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379
sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113
__release_sock+0x1da/0x330 net/core/sock.c:3072
release_sock+0x6b/0x250 net/core/sock.c:3626
pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903
sock_sendmsg_nosec net/socket.c:729 [inline]
__sock_sendmsg+0x30f/0x380 net/socket.c:744
____sys_sendmsg+0x903/0xb60 net/socket.c:2602
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656
__sys_sendmmsg+0x3c1/0x960 net/socket.c:2742
__do_sys_sendmmsg net/socket.c:2771 [inline]
__se_sys_sendmmsg net/socket.c:2768 [inline]
__x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768
x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Uninit was created at:
slab_post_alloc_hook mm/slub.c:4092 [inline]
slab_alloc_node mm/slub.c:4135 [inline]
kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187
kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587
__alloc_skb+0x363/0x7b0 net/core/skbuff.c:678
alloc_skb include/linux/skbuff.h:1322 [inline]
sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732
pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867
sock_sendmsg_nosec net/socket.c:729 [inline]
__sock_sendmsg+0x30f/0x380 net/socket.c:744
____sys_sendmsg+0x903/0xb60 net/socket.c:2602
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656
__sys_sendmmsg+0x3c1/0x960 net/socket.c:2742
__do_sys_sendmmsg net/socket.c:2771 [inline]
__se_sys_sendmmsg net/socket.c:2768 [inline]
__x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768
x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
CPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 Not tainted 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2024-46813 (GCVE-0-2024-46813)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check link_index before accessing dc->links[]
[WHY & HOW]
dc->links[] has max size of MAX_LINKS and NULL is return when trying to
access with out-of-bound index.
This fixes 3 OVERRUN and 1 RESOURCE_LEAK issues reported by Coverity.
References
Impacted products
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CVE-2024-50246 (GCVE-0-2024-50246)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Add rough attr alloc_size check
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-27051 (GCVE-0-2024-27051)
Vulnerability from cvelistv5
Published
2024-05-01 12:54
Modified
2026-05-11 20:09
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value
cpufreq_cpu_get may return NULL. To avoid NULL-dereference check it
and return 0 in case of error.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: de322e085995b9417582d6f72229dadb5c09d163 Version: de322e085995b9417582d6f72229dadb5c09d163 Version: de322e085995b9417582d6f72229dadb5c09d163 Version: de322e085995b9417582d6f72229dadb5c09d163 Version: de322e085995b9417582d6f72229dadb5c09d163 Version: de322e085995b9417582d6f72229dadb5c09d163 Version: de322e085995b9417582d6f72229dadb5c09d163 |
||
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CVE-2024-50080 (GCVE-0-2024-50080)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ublk: don't allow user copy for unprivileged device
UBLK_F_USER_COPY requires userspace to call write() on ublk char
device for filling request buffer, and unprivileged device can't
be trusted.
So don't allow user copy for unprivileged device.
References
Impacted products
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CVE-2024-49886 (GCVE-0-2024-49886)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug
Attaching SST PCI device to VM causes "BUG: KASAN: slab-out-of-bounds".
kasan report:
[ 19.411889] ==================================================================
[ 19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]
[ 19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113
[ 19.417368]
[ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G E 6.9.0 #10
[ 19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022
[ 19.422687] Call Trace:
[ 19.424091] <TASK>
[ 19.425448] dump_stack_lvl+0x5d/0x80
[ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]
[ 19.428694] print_report+0x19d/0x52e
[ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]
[ 19.433539] kasan_report+0xf0/0x170
[ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]
[ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]
[ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10
[ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common]
[ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common]
[ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360
[ 19.444797] cpuhp_invoke_callback+0x221/0xec0
[ 19.446337] cpuhp_thread_fun+0x21b/0x610
[ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10
[ 19.449354] smpboot_thread_fn+0x2e7/0x6e0
[ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10
[ 19.452405] kthread+0x29c/0x350
[ 19.453817] ? __pfx_kthread+0x10/0x10
[ 19.455253] ret_from_fork+0x31/0x70
[ 19.456685] ? __pfx_kthread+0x10/0x10
[ 19.458114] ret_from_fork_asm+0x1a/0x30
[ 19.459573] </TASK>
[ 19.460853]
[ 19.462055] Allocated by task 1198:
[ 19.463410] kasan_save_stack+0x30/0x50
[ 19.464788] kasan_save_track+0x14/0x30
[ 19.466139] __kasan_kmalloc+0xaa/0xb0
[ 19.467465] __kmalloc+0x1cd/0x470
[ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common]
[ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr]
[ 19.471670] do_one_initcall+0xa4/0x380
[ 19.472903] do_init_module+0x238/0x760
[ 19.474105] load_module+0x5239/0x6f00
[ 19.475285] init_module_from_file+0xd1/0x130
[ 19.476506] idempotent_init_module+0x23b/0x650
[ 19.477725] __x64_sys_finit_module+0xbe/0x130
[ 19.476506] idempotent_init_module+0x23b/0x650
[ 19.477725] __x64_sys_finit_module+0xbe/0x130
[ 19.478920] do_syscall_64+0x82/0x160
[ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 19.481292]
[ 19.482205] The buggy address belongs to the object at ffff888829e65000
which belongs to the cache kmalloc-512 of size 512
[ 19.484818] The buggy address is located 0 bytes to the right of
allocated 512-byte region [ffff888829e65000, ffff888829e65200)
[ 19.487447]
[ 19.488328] The buggy address belongs to the physical page:
[ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60
[ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff)
[ 19.493914] page_type: 0xffffffff()
[ 19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001
[ 19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000
[ 19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001
[ 19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000
[ 19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff
[ 19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000
[ 19.503784] page dumped because: k
---truncated---
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 017a634f9f38ae704d9d57817555773de700219e Version: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f Version: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f Version: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f Version: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f Version: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f Version: 5.15.115 ≤ |
||
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug\n\nAttaching SST PCI device to VM causes \"BUG: KASAN: slab-out-of-bounds\".\nkasan report:\n[ 19.411889] ==================================================================\n[ 19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113\n[ 19.417368]\n[ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G E 6.9.0 #10\n[ 19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022\n[ 19.422687] Call Trace:\n[ 19.424091] \u003cTASK\u003e\n[ 19.425448] dump_stack_lvl+0x5d/0x80\n[ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.428694] print_report+0x19d/0x52e\n[ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.433539] kasan_report+0xf0/0x170\n[ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10\n[ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common]\n[ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common]\n[ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360\n[ 19.444797] cpuhp_invoke_callback+0x221/0xec0\n[ 19.446337] cpuhp_thread_fun+0x21b/0x610\n[ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10\n[ 19.449354] smpboot_thread_fn+0x2e7/0x6e0\n[ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10\n[ 19.452405] kthread+0x29c/0x350\n[ 19.453817] ? __pfx_kthread+0x10/0x10\n[ 19.455253] ret_from_fork+0x31/0x70\n[ 19.456685] ? __pfx_kthread+0x10/0x10\n[ 19.458114] ret_from_fork_asm+0x1a/0x30\n[ 19.459573] \u003c/TASK\u003e\n[ 19.460853]\n[ 19.462055] Allocated by task 1198:\n[ 19.463410] kasan_save_stack+0x30/0x50\n[ 19.464788] kasan_save_track+0x14/0x30\n[ 19.466139] __kasan_kmalloc+0xaa/0xb0\n[ 19.467465] __kmalloc+0x1cd/0x470\n[ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common]\n[ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr]\n[ 19.471670] do_one_initcall+0xa4/0x380\n[ 19.472903] do_init_module+0x238/0x760\n[ 19.474105] load_module+0x5239/0x6f00\n[ 19.475285] init_module_from_file+0xd1/0x130\n[ 19.476506] idempotent_init_module+0x23b/0x650\n[ 19.477725] __x64_sys_finit_module+0xbe/0x130\n[ 19.476506] idempotent_init_module+0x23b/0x650\n[ 19.477725] __x64_sys_finit_module+0xbe/0x130\n[ 19.478920] do_syscall_64+0x82/0x160\n[ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 19.481292]\n[ 19.482205] The buggy address belongs to the object at ffff888829e65000\n which belongs to the cache kmalloc-512 of size 512\n[ 19.484818] The buggy address is located 0 bytes to the right of\n allocated 512-byte region [ffff888829e65000, ffff888829e65200)\n[ 19.487447]\n[ 19.488328] The buggy address belongs to the physical page:\n[ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60\n[ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0\n[ 19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff)\n[ 19.493914] page_type: 0xffffffff()\n[ 19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[ 19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[ 19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[ 19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[ 19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff\n[ 19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000\n[ 19.503784] page dumped because: k\n---truncated---"
}
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"metrics": [
{
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"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"scenarios": [
{
"lang": "en",
"value": "AV:L - The vulnerable code is reached only through a local `ioctl()` on the `/dev/isst_interface` misc device or through the local CPU-hotplug callback `isst_if_cpu_online()`; there is no network-facing consumer of `isst_if_get_pci_dev()`.\nAC:L - On an affected platform (sparse physical package IDs \u2014 any VMware/hypervisor guest with the SST PCI device attached, or gapped firmware topology) the out-of-bounds index is deterministic, and the attacker simply issues the ISST ioctl naming the relevant `logical_cpu`, reliably re-triggering it as often as desired to groom the adjacent slab.\nPR:L - The driver deliberately permits non-`CAP_SYS_ADMIN` callers down this path \u2014 `isst_if_mmio.c:53` and `isst_if_mbox_pci.c:129` gate only write/set requests, so read commands from an unprivileged process holding the device fd reach `_isst_if_get_pci_dev()` with an arbitrary CPU index and no capability check.\nUI:N - The attacker triggers the out-of-bounds access entirely on their own via ioctl, and the hotplug path fires automatically at module load with no victim action required.\nS:U - The heap corruption and wild-pointer dereference stay within the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The out-of-bounds read pulls a value from an adjacent slab object and hands it back as a `struct pci_dev *`, which is then dereferenced and used to perform `readl()` at an attacker-chosen offset, yielding kernel memory/MMIO disclosure well beyond a bounded leak.\nI:H - `isst_pkg_info[pkg_id].pci_dev[bus_no] = _pci_dev` writes a kernel pointer past the end of the allocation, corrupting the neighbouring slab object, and the confused `punit_dev` can drive `writel()` at a controlled offset \u2014 both are exploitable write primitives.\nA:H - KASAN reports a slab-out-of-bounds and the resulting garbage `pci_dev` pointer is dereferenced immediately in `pci_get_drvdata()`, producing an oops/panic; on affected platforms this occurs unconditionally during CPU bring-up."
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"datePublished": "2024-10-21T18:01:22.870Z",
"dateReserved": "2024-10-21T12:17:06.022Z",
"dateUpdated": "2026-08-05T11:40:23.589Z",
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CVE-2024-47730 (GCVE-0-2024-47730)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
crypto: hisilicon/qm - inject error before stopping queue
The master ooo cannot be completely closed when the
accelerator core reports memory error. Therefore, the driver
needs to inject the qm error to close the master ooo. Currently,
the qm error is injected after stopping queue, memory may be
released immediately after stopping queue, causing the device to
access the released memory. Therefore, error is injected to close master
ooo before stopping queue to ensure that the device does not access
the released memory.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 6c6dd5802c2d6769fa589c0e8de54299def199a7 Version: 6c6dd5802c2d6769fa589c0e8de54299def199a7 Version: 6c6dd5802c2d6769fa589c0e8de54299def199a7 Version: 6c6dd5802c2d6769fa589c0e8de54299def199a7 Version: 6c6dd5802c2d6769fa589c0e8de54299def199a7 Version: 6c6dd5802c2d6769fa589c0e8de54299def199a7 Version: 6c6dd5802c2d6769fa589c0e8de54299def199a7 |
||
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CVE-2022-48999 (GCVE-0-2022-48999)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference
Gwangun Jung reported a slab-out-of-bounds access in fib_nh_match:
fib_nh_match+0xf98/0x1130 linux-6.0-rc7/net/ipv4/fib_semantics.c:961
fib_table_delete+0x5f3/0xa40 linux-6.0-rc7/net/ipv4/fib_trie.c:1753
inet_rtm_delroute+0x2b3/0x380 linux-6.0-rc7/net/ipv4/fib_frontend.c:874
Separate nexthop objects are mutually exclusive with the legacy
multipath spec. Fix fib_nh_match to return if the config for the
to be deleted route contains a multipath spec while the fib_info
is using a nexthop object.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-36957 (GCVE-0-2024-36957)
Vulnerability from cvelistv5
Published
2024-05-30 15:35
Modified
2026-05-23 15:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-af: avoid off-by-one read from userspace
We try to access count + 1 byte from userspace with memdup_user(buffer,
count + 1). However, the userspace only provides buffer of count bytes and
only these count bytes are verified to be okay to access. To ensure the
copied buffer is NUL terminated, we use memdup_user_nul instead.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2024-36484 (GCVE-0-2024-36484)
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2026-05-23 15:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: relax socket state check at accept time.
Christoph reported the following splat:
WARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0
Modules linked in:
CPU: 1 PID: 772 Comm: syz-executor510 Not tainted 6.9.0-rc7-g7da7119fe22b #56
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014
RIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759
Code: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd <0f> 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80
RSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293
RAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64
R10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000
R13: 1ffff92000185f98 R14: ffff88810754d880 R15: ffff8881007b7800
FS: 000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
inet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786
do_accept+0x435/0x620 net/socket.c:1929
__sys_accept4_file net/socket.c:1969 [inline]
__sys_accept4+0x9b/0x110 net/socket.c:1999
__do_sys_accept net/socket.c:2016 [inline]
__se_sys_accept net/socket.c:2013 [inline]
__x64_sys_accept+0x7d/0x90 net/socket.c:2013
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x58/0x100 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x4315f9
Code: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b
RAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300
R10: 0000000000400300 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055
</TASK>
The reproducer invokes shutdown() before entering the listener status.
After commit 94062790aedb ("tcp: defer shutdown(SEND_SHUTDOWN) for
TCP_SYN_RECV sockets"), the above causes the child to reach the accept
syscall in FIN_WAIT1 status.
Eric noted we can relax the existing assertion in __inet_accept()
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: relax socket state check at accept time.\n\nChristoph reported the following splat:\n\nWARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0\nModules linked in:\nCPU: 1 PID: 772 Comm: syz-executor510 Not tainted 6.9.0-rc7-g7da7119fe22b #56\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014\nRIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759\nCode: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd \u003c0f\u003e 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80\nRSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293\nRAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64\nR10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000\nR13: 1ffff92000185f98 R14: ffff88810754d880 R15: ffff8881007b7800\nFS: 000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n \u003cTASK\u003e\n inet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786\n do_accept+0x435/0x620 net/socket.c:1929\n __sys_accept4_file net/socket.c:1969 [inline]\n __sys_accept4+0x9b/0x110 net/socket.c:1999\n __do_sys_accept net/socket.c:2016 [inline]\n __se_sys_accept net/socket.c:2013 [inline]\n __x64_sys_accept+0x7d/0x90 net/socket.c:2013\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x58/0x100 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x4315f9\nCode: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00\nRSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b\nRAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004\nRBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300\nR10: 0000000000400300 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055\n \u003c/TASK\u003e\n\nThe reproducer invokes shutdown() before entering the listener status.\nAfter commit 94062790aedb (\"tcp: defer shutdown(SEND_SHUTDOWN) for\nTCP_SYN_RECV sockets\"), the above causes the child to reach the accept\nsyscall in FIN_WAIT1 status.\n\nEric noted we can relax the existing assertion in __inet_accept()"
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CVE-2024-50042 (GCVE-0-2024-50042)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: Fix increasing MSI-X on VF
Increasing MSI-X value on a VF leads to invalid memory operations. This
is caused by not reallocating some arrays.
Reproducer:
modprobe ice
echo 0 > /sys/bus/pci/devices/$PF_PCI/sriov_drivers_autoprobe
echo 1 > /sys/bus/pci/devices/$PF_PCI/sriov_numvfs
echo 17 > /sys/bus/pci/devices/$VF0_PCI/sriov_vf_msix_count
Default MSI-X is 16, so 17 and above triggers this issue.
KASAN reports:
BUG: KASAN: slab-out-of-bounds in ice_vsi_alloc_ring_stats+0x38d/0x4b0 [ice]
Read of size 8 at addr ffff8888b937d180 by task bash/28433
(...)
Call Trace:
(...)
? ice_vsi_alloc_ring_stats+0x38d/0x4b0 [ice]
kasan_report+0xed/0x120
? ice_vsi_alloc_ring_stats+0x38d/0x4b0 [ice]
ice_vsi_alloc_ring_stats+0x38d/0x4b0 [ice]
ice_vsi_cfg_def+0x3360/0x4770 [ice]
? mutex_unlock+0x83/0xd0
? __pfx_ice_vsi_cfg_def+0x10/0x10 [ice]
? __pfx_ice_remove_vsi_lkup_fltr+0x10/0x10 [ice]
ice_vsi_cfg+0x7f/0x3b0 [ice]
ice_vf_reconfig_vsi+0x114/0x210 [ice]
ice_sriov_set_msix_vec_count+0x3d0/0x960 [ice]
sriov_vf_msix_count_store+0x21c/0x300
(...)
Allocated by task 28201:
(...)
ice_vsi_cfg_def+0x1c8e/0x4770 [ice]
ice_vsi_cfg+0x7f/0x3b0 [ice]
ice_vsi_setup+0x179/0xa30 [ice]
ice_sriov_configure+0xcaa/0x1520 [ice]
sriov_numvfs_store+0x212/0x390
(...)
To fix it, use ice_vsi_rebuild() instead of ice_vf_reconfig_vsi(). This
causes the required arrays to be reallocated taking the new queue count
into account (ice_vsi_realloc_stat_arrays()). Set req_txq and req_rxq
before ice_vsi_rebuild(), so that realloc uses the newly set queue
count.
Additionally, ice_vsi_rebuild() does not remove VSI filters
(ice_fltr_remove_all()), so ice_vf_init_host_cfg() is no longer
necessary.
References
Impacted products
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CVE-2024-43854 (GCVE-0-2024-43854)
Vulnerability from cvelistv5
Published
2024-08-17 09:22
Modified
2026-05-11 20:31
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: initialize integrity buffer to zero before writing it to media
Metadata added by bio_integrity_prep is using plain kmalloc, which leads
to random kernel memory being written media. For PI metadata this is
limited to the app tag that isn't used by kernel generated metadata,
but for non-PI metadata the entire buffer leaks kernel memory.
Fix this by adding the __GFP_ZERO flag to allocations for writes.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b Version: 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b Version: 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b Version: 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b Version: 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b Version: 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b Version: 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b Version: 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b |
||
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CVE-2024-49961 (GCVE-0-2024-49961)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: i2c: ar0521: Use cansleep version of gpiod_set_value()
If we use GPIO reset from I2C port expander, we must use *_cansleep()
variant of GPIO functions.
This was not done in ar0521_power_on()/ar0521_power_off() functions.
Let's fix that.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 11 at drivers/gpio/gpiolib.c:3496 gpiod_set_value+0x74/0x7c
Modules linked in:
CPU: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0 #53
Hardware name: Diasom DS-RK3568-SOM-EVB (DT)
Workqueue: events_unbound deferred_probe_work_func
pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : gpiod_set_value+0x74/0x7c
lr : ar0521_power_on+0xcc/0x290
sp : ffffff8001d7ab70
x29: ffffff8001d7ab70 x28: ffffff80027dcc90 x27: ffffff8003c82000
x26: ffffff8003ca9250 x25: ffffffc080a39c60 x24: ffffff8003ca9088
x23: ffffff8002402720 x22: ffffff8003ca9080 x21: ffffff8003ca9088
x20: 0000000000000000 x19: ffffff8001eb2a00 x18: ffffff80efeeac80
x17: 756d2d6332692f30 x16: 0000000000000000 x15: 0000000000000000
x14: ffffff8001d91d40 x13: 0000000000000016 x12: ffffffc080e98930
x11: ffffff8001eb2880 x10: 0000000000000890 x9 : ffffff8001d7a9f0
x8 : ffffff8001d92570 x7 : ffffff80efeeac80 x6 : 000000003fc6e780
x5 : ffffff8001d91c80 x4 : 0000000000000002 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000001
Call trace:
gpiod_set_value+0x74/0x7c
ar0521_power_on+0xcc/0x290
...
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2024-50001 (GCVE-0-2024-50001)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Fix error path in multi-packet WQE transmit
Remove the erroneous unmap in case no DMA mapping was established
The multi-packet WQE transmit code attempts to obtain a DMA mapping for
the skb. This could fail, e.g. under memory pressure, when the IOMMU
driver just can't allocate more memory for page tables. While the code
tries to handle this in the path below the err_unmap label it erroneously
unmaps one entry from the sq's FIFO list of active mappings. Since the
current map attempt failed this unmap is removing some random DMA mapping
that might still be required. If the PCI function now presents that IOVA,
the IOMMU may assumes a rogue DMA access and e.g. on s390 puts the PCI
function in error state.
The erroneous behavior was seen in a stress-test environment that created
memory pressure.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
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CVE-2024-49991 (GCVE-0-2024-49991)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer
Pass pointer reference to amdgpu_bo_unref to clear the correct pointer,
otherwise amdgpu_bo_unref clear the local variable, the original pointer
not set to NULL, this could cause use-after-free bug.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-36000 (GCVE-0-2024-36000)
Vulnerability from cvelistv5
Published
2024-05-20 09:48
Modified
2026-05-23 15:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/hugetlb: fix missing hugetlb_lock for resv uncharge
There is a recent report on UFFDIO_COPY over hugetlb:
https://lore.kernel.org/all/000000000000ee06de0616177560@google.com/
350: lockdep_assert_held(&hugetlb_lock);
Should be an issue in hugetlb but triggered in an userfault context, where
it goes into the unlikely path where two threads modifying the resv map
together. Mike has a fix in that path for resv uncharge but it looks like
the locking criteria was overlooked: hugetlb_cgroup_uncharge_folio_rsvd()
will update the cgroup pointer, so it requires to be called with the lock
held.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 79aa925bf239c234be8586780e482872dc4690dd Version: 79aa925bf239c234be8586780e482872dc4690dd Version: 79aa925bf239c234be8586780e482872dc4690dd Version: 79aa925bf239c234be8586780e482872dc4690dd Version: f87004c0b2bdf0f1066b88795d8e6c1dfad6cea0 Version: 5.9.7 ≤ |
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CVE-2024-46843 (GCVE-0-2024-46843)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: ufs: core: Remove SCSI host only if added
If host tries to remove ufshcd driver from a UFS device it would cause a
kernel panic if ufshcd_async_scan fails during ufshcd_probe_hba before
adding a SCSI host with scsi_add_host and MCQ is enabled since SCSI host
has been defered after MCQ configuration introduced by commit 0cab4023ec7b
("scsi: ufs: core: Defer adding host to SCSI if MCQ is supported").
To guarantee that SCSI host is removed only if it has been added, set the
scsi_host_added flag to true after adding a SCSI host and check whether it
is set or not before removing it.
References
Impacted products
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CVE-2024-50116 (GCVE-0-2024-50116)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nilfs2: fix kernel bug due to missing clearing of buffer delay flag
Syzbot reported that after nilfs2 reads a corrupted file system image
and degrades to read-only, the BUG_ON check for the buffer delay flag
in submit_bh_wbc() may fail, causing a kernel bug.
This is because the buffer delay flag is not cleared when clearing the
buffer state flags to discard a page/folio or a buffer head. So, fix
this.
This became necessary when the use of nilfs2's own page clear routine
was expanded. This state inconsistency does not occur if the buffer
is written normally by log writing.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c |
||
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CVE-2024-47686 (GCVE-0-2024-47686)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ep93xx: clock: Fix off by one in ep93xx_div_recalc_rate()
The psc->div[] array has psc->num_div elements. These values come from
when we call clk_hw_register_div(). It's adc_divisors and
ARRAY_SIZE(adc_divisors)) and so on. So this condition needs to be >=
instead of > to prevent an out of bounds read.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2022-48948 (GCVE-0-2022-48948)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: uvc: Prevent buffer overflow in setup handler
Setup function uvc_function_setup permits control transfer
requests with up to 64 bytes of payload (UVC_MAX_REQUEST_SIZE),
data stage handler for OUT transfer uses memcpy to copy req->actual
bytes to uvc_event->data.data array of size 60. This may result
in an overflow of 4 bytes.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: cdda479f15cd13fa50a913ca85129c0437cc7b91 Version: cdda479f15cd13fa50a913ca85129c0437cc7b91 Version: cdda479f15cd13fa50a913ca85129c0437cc7b91 Version: cdda479f15cd13fa50a913ca85129c0437cc7b91 Version: cdda479f15cd13fa50a913ca85129c0437cc7b91 Version: cdda479f15cd13fa50a913ca85129c0437cc7b91 Version: cdda479f15cd13fa50a913ca85129c0437cc7b91 Version: cdda479f15cd13fa50a913ca85129c0437cc7b91 Version: cdda479f15cd13fa50a913ca85129c0437cc7b91 |
||
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CVE-2024-47715 (GCVE-0-2024-47715)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7915: fix oops on non-dbdc mt7986
mt7915_band_config() sets band_idx = 1 on the main phy for mt7986
with MT7975_ONE_ADIE or MT7976_ONE_ADIE.
Commit 0335c034e726 ("wifi: mt76: fix race condition related to
checking tx queue fill status") introduced a dereference of the
phys array indirectly indexed by band_idx via wcid->phy_idx in
mt76_wcid_cleanup(). This caused the following Oops on affected
mt7986 devices:
Unable to handle kernel read from unreadable memory at virtual address 0000000000000024
Mem abort info:
ESR = 0x0000000096000005
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x05: level 1 translation fault
Data abort info:
ISV = 0, ISS = 0x00000005
CM = 0, WnR = 0
user pgtable: 4k pages, 39-bit VAs, pgdp=0000000042545000
[0000000000000024] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000
Internal error: Oops: 0000000096000005 [#1] SMP
Modules linked in: ... mt7915e mt76_connac_lib mt76 mac80211 cfg80211 ...
CPU: 2 PID: 1631 Comm: hostapd Not tainted 5.15.150 #0
Hardware name: ZyXEL EX5700 (Telenor) (DT)
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mt76_wcid_cleanup+0x84/0x22c [mt76]
lr : mt76_wcid_cleanup+0x64/0x22c [mt76]
sp : ffffffc00a803700
x29: ffffffc00a803700 x28: ffffff80008f7300 x27: ffffff80003f3c00
x26: ffffff80000a7880 x25: ffffffc008c26e00 x24: 0000000000000001
x23: ffffffc000a68114 x22: 0000000000000000 x21: ffffff8004172cc8
x20: ffffffc00a803748 x19: ffffff8004152020 x18: 0000000000000000
x17: 00000000000017c0 x16: ffffffc008ef5000 x15: 0000000000000be0
x14: ffffff8004172e28 x13: ffffff8004172e28 x12: 0000000000000000
x11: 0000000000000000 x10: ffffff8004172e30 x9 : ffffff8004172e28
x8 : 0000000000000000 x7 : ffffff8004156020 x6 : 0000000000000000
x5 : 0000000000000031 x4 : 0000000000000000 x3 : 0000000000000001
x2 : 0000000000000000 x1 : ffffff80008f7300 x0 : 0000000000000024
Call trace:
mt76_wcid_cleanup+0x84/0x22c [mt76]
__mt76_sta_remove+0x70/0xbc [mt76]
mt76_sta_state+0x8c/0x1a4 [mt76]
mt7915_eeprom_get_power_delta+0x11e4/0x23a0 [mt7915e]
drv_sta_state+0x144/0x274 [mac80211]
sta_info_move_state+0x1cc/0x2a4 [mac80211]
sta_set_sinfo+0xaf8/0xc24 [mac80211]
sta_info_destroy_addr_bss+0x4c/0x6c [mac80211]
ieee80211_color_change_finish+0x1c08/0x1e70 [mac80211]
cfg80211_check_station_change+0x1360/0x4710 [cfg80211]
genl_family_rcv_msg_doit+0xb4/0x110
genl_rcv_msg+0xd0/0x1bc
netlink_rcv_skb+0x58/0x120
genl_rcv+0x34/0x50
netlink_unicast+0x1f0/0x2ec
netlink_sendmsg+0x198/0x3d0
____sys_sendmsg+0x1b0/0x210
___sys_sendmsg+0x80/0xf0
__sys_sendmsg+0x44/0xa0
__arm64_sys_sendmsg+0x20/0x30
invoke_syscall.constprop.0+0x4c/0xe0
do_el0_svc+0x40/0xd0
el0_svc+0x14/0x4c
el0t_64_sync_handler+0x100/0x110
el0t_64_sync+0x15c/0x160
Code: d2800002 910092c0 52800023 f9800011 (885f7c01)
---[ end trace 7e42dd9a39ed2281 ]---
Fix by using mt76_dev_phy() which will map band_idx to the correct phy
for all hardware combinations.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-41082 (GCVE-0-2024-41082)
Vulnerability from cvelistv5
Published
2024-07-29 15:04
Modified
2026-05-11 20:25
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme-fabrics: use reserved tag for reg read/write command
In some scenarios, if too many commands are issued by nvme command in
the same time by user tasks, this may exhaust all tags of admin_q. If
a reset (nvme reset or IO timeout) occurs before these commands finish,
reconnect routine may fail to update nvme regs due to insufficient tags,
which will cause kernel hang forever. In order to workaround this issue,
maybe we can let reg_read32()/reg_read64()/reg_write32() use reserved
tags. This maybe safe for nvmf:
1. For the disable ctrl path, we will not issue connect command
2. For the enable ctrl / fw activate path, since connect and reg_xx()
are called serially.
So the reserved tags may still be enough while reg_xx() use reserved tags.
References
Impacted products
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CVE-2024-50153 (GCVE-0-2024-50153)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: core: Fix null-ptr-deref in target_alloc_device()
There is a null-ptr-deref issue reported by KASAN:
BUG: KASAN: null-ptr-deref in target_alloc_device+0xbc4/0xbe0 [target_core_mod]
...
kasan_report+0xb9/0xf0
target_alloc_device+0xbc4/0xbe0 [target_core_mod]
core_dev_setup_virtual_lun0+0xef/0x1f0 [target_core_mod]
target_core_init_configfs+0x205/0x420 [target_core_mod]
do_one_initcall+0xdd/0x4e0
...
entry_SYSCALL_64_after_hwframe+0x76/0x7e
In target_alloc_device(), if allocing memory for dev queues fails, then
dev will be freed by dev->transport->free_device(), but dev->transport
is not initialized at that time, which will lead to a null pointer
reference problem.
Fixing this bug by freeing dev with hba->backend->ops->free_device().
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2022-49029 (GCVE-0-2022-49029)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
hwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails
Smatch report warning as follows:
drivers/hwmon/ibmpex.c:509 ibmpex_register_bmc() warn:
'&data->list' not removed from list
If ibmpex_find_sensors() fails in ibmpex_register_bmc(), data will
be freed, but data->list will not be removed from driver_data.bmc_data,
then list traversal may cause UAF.
Fix by removeing it from driver_data.bmc_data before free().
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab Version: 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab Version: 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab Version: 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab Version: 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab Version: 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab Version: 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab Version: 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab |
||
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CVE-2022-49019 (GCVE-0-2022-49019)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: ethernet: nixge: fix NULL dereference
In function nixge_hw_dma_bd_release() dereference of NULL pointer
priv->rx_bd_v is possible for the case of its allocation failure in
nixge_hw_dma_bd_init().
Move for() loop with priv->rx_bd_v dereference under the check for
its validity.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-47739 (GCVE-0-2024-47739)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
padata: use integer wrap around to prevent deadlock on seq_nr overflow
When submitting more than 2^32 padata objects to padata_do_serial, the
current sorting implementation incorrectly sorts padata objects with
overflowed seq_nr, causing them to be placed before existing objects in
the reorder list. This leads to a deadlock in the serialization process
as padata_find_next cannot match padata->seq_nr and pd->processed
because the padata instance with overflowed seq_nr will be selected
next.
To fix this, we use an unsigned integer wrap around to correctly sort
padata objects in scenarios with integer overflow.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 Version: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 Version: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 Version: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 Version: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 Version: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 Version: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 |
||
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CVE-2024-50195 (GCVE-0-2024-50195)
Vulnerability from cvelistv5
Published
2024-11-08 05:54
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
posix-clock: Fix missing timespec64 check in pc_clock_settime()
As Andrew pointed out, it will make sense that the PTP core
checked timespec64 struct's tv_sec and tv_nsec range before calling
ptp->info->settime64().
As the man manual of clock_settime() said, if tp.tv_sec is negative or
tp.tv_nsec is outside the range [0..999,999,999], it should return EINVAL,
which include dynamic clocks which handles PTP clock, and the condition is
consistent with timespec64_valid(). As Thomas suggested, timespec64_valid()
only check the timespec is valid, but not ensure that the time is
in a valid range, so check it ahead using timespec64_valid_strict()
in pc_clock_settime() and return -EINVAL if not valid.
There are some drivers that use tp->tv_sec and tp->tv_nsec directly to
write registers without validity checks and assume that the higher layer
has checked it, which is dangerous and will benefit from this, such as
hclge_ptp_settime(), igb_ptp_settime_i210(), _rcar_gen4_ptp_settime(),
and some drivers can remove the checks of itself.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0606f422b453f76c31ab2b1bd52943ff06a2dcf2 Version: 0606f422b453f76c31ab2b1bd52943ff06a2dcf2 Version: 0606f422b453f76c31ab2b1bd52943ff06a2dcf2 Version: 0606f422b453f76c31ab2b1bd52943ff06a2dcf2 Version: 0606f422b453f76c31ab2b1bd52943ff06a2dcf2 Version: 0606f422b453f76c31ab2b1bd52943ff06a2dcf2 Version: 0606f422b453f76c31ab2b1bd52943ff06a2dcf2 Version: 0606f422b453f76c31ab2b1bd52943ff06a2dcf2 |
||
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"value": "AV:L - The only entry point is the local `clock_settime()`/`clock_settime32()` syscall with a dynamic CLOCKFD clockid derived from an open file descriptor on a `/dev/ptpN` character device. There is no network, adjacent, or remote-peer path into `pc_clock_settime()`.\nAC:L - A single syscall with e.g. `tv_nsec = 1000000000` or `tv_sec = -1` deterministically drives the unvalidated value into the driver callback \u2014 no race, no timing window, no memory-layout or victim-state dependency, and it can be repeated at will.\nPR:L - No capability check exists anywhere on the path; the sole gate is `FMODE_WRITE` on a PTP character device, which is routinely granted to non-root PTP/TSN daemons (linuxptp running with dropped privileges), containers, and appliance workloads in telecom, automotive and cloud deployments. An ordinary unprivileged user holding such a descriptor fully controls the trigger.\nUI:N - The attacker performs the whole sequence on a descriptor they opened themselves with one syscall. No mount, file open, or other action by another user is required.\nS:U - The corrupted state is the kernel\u0027s own PTP/posix-clock objects and the NIC\u0027s PHC managed by the same kernel security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:N - The defect is a missing input-validation check on a value flowing inward to hardware registers and time arithmetic; nothing is read out of bounds, no freed object is reused, and no kernel memory is copied back to userspace, so no read primitive exists.\nI:H - The attacker gains full, arbitrary control over the value programmed into the PTP hardware clock \u2014 the authoritative time base for all hardware timestamping on the interface, for PTP/gPTP synchronization of downstream nodes, and for TSN taprio/ETF gate schedules \u2014 and drivers such as `hclge_ptp_settime()`, `igb_ptp_settime_i210()` and `_rcar_gen4_ptp_settime()` commit it to registers with no checks of their own. Malicious modification of that specific state is a direct, serious integrity consequence for the impacted component, and it also drives undefined arithmetic (`timespec64_to_ns()` overflow, `timecounter_init()`, `do_div()` in `vsc9959_new_base_time()`) in code that assumed a validated input.\nA:H - Programming an out-of-range or negative time into the PHC produces a total, persistent loss of hardware timestamping, PTP synchronization and time-aware-shaper transmission on that interface \u2014 TSN gate schedules recomputed from the poisoned base never open, and the condition can be re-triggered at will so the service cannot recover. The unvalidated value additionally reaches out-of-spec hardware register writes and overflowing kernel time arithmetic on paths that assume validated input."
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CVE-2024-46827 (GCVE-0-2024-46827)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath12k: fix firmware crash due to invalid peer nss
Currently, if the access point receives an association
request containing an Extended HE Capabilities Information
Element with an invalid MCS-NSS, it triggers a firmware
crash.
This issue arises when EHT-PHY capabilities shows support
for a bandwidth and MCS-NSS set for that particular
bandwidth is filled by zeros and due to this, driver obtains
peer_nss as 0 and sending this value to firmware causes
crash.
Address this issue by implementing a validation step for
the peer_nss value before passing it to the firmware. If
the value is greater than zero, proceed with forwarding
it to the firmware. However, if the value is invalid,
reject the association request to prevent potential
firmware crashes.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
References
Impacted products
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CVE-2024-26596 (GCVE-0-2024-26596)
Vulnerability from cvelistv5
Published
2024-02-23 14:46
Modified
2026-07-14 12:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: dsa: fix netdev_priv() dereference before check on non-DSA netdevice events
After the blamed commit, we started doing this dereference for every
NETDEV_CHANGEUPPER and NETDEV_PRECHANGEUPPER event in the system.
static inline struct dsa_port *dsa_user_to_port(const struct net_device *dev)
{
struct dsa_user_priv *p = netdev_priv(dev);
return p->dp;
}
Which is obviously bogus, because not all net_devices have a netdev_priv()
of type struct dsa_user_priv. But struct dsa_user_priv is fairly small,
and p->dp means dereferencing 8 bytes starting with offset 16. Most
drivers allocate that much private memory anyway, making our access not
fault, and we discard the bogus data quickly afterwards, so this wasn't
caught.
But the dummy interface is somewhat special in that it calls
alloc_netdev() with a priv size of 0. So every netdev_priv() dereference
is invalid, and we get this when we emit a NETDEV_PRECHANGEUPPER event
with a VLAN as its new upper:
$ ip link add dummy1 type dummy
$ ip link add link dummy1 name dummy1.100 type vlan id 100
[ 43.309174] ==================================================================
[ 43.316456] BUG: KASAN: slab-out-of-bounds in dsa_user_prechangeupper+0x30/0xe8
[ 43.323835] Read of size 8 at addr ffff3f86481d2990 by task ip/374
[ 43.330058]
[ 43.342436] Call trace:
[ 43.366542] dsa_user_prechangeupper+0x30/0xe8
[ 43.371024] dsa_user_netdevice_event+0xb38/0xee8
[ 43.375768] notifier_call_chain+0xa4/0x210
[ 43.379985] raw_notifier_call_chain+0x24/0x38
[ 43.384464] __netdev_upper_dev_link+0x3ec/0x5d8
[ 43.389120] netdev_upper_dev_link+0x70/0xa8
[ 43.393424] register_vlan_dev+0x1bc/0x310
[ 43.397554] vlan_newlink+0x210/0x248
[ 43.401247] rtnl_newlink+0x9fc/0xe30
[ 43.404942] rtnetlink_rcv_msg+0x378/0x580
Avoid the kernel oops by dereferencing after the type check, as customary.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2022-48969 (GCVE-0-2022-48969)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
xen-netfront: Fix NULL sring after live migration
A NAPI is setup for each network sring to poll data to kernel
The sring with source host is destroyed before live migration and
new sring with target host is setup after live migration.
The NAPI for the old sring is not deleted until setup new sring
with target host after migration. With busy_poll/busy_read enabled,
the NAPI can be polled before got deleted when resume VM.
BUG: unable to handle kernel NULL pointer dereference at
0000000000000008
IP: xennet_poll+0xae/0xd20
PGD 0 P4D 0
Oops: 0000 [#1] SMP PTI
Call Trace:
finish_task_switch+0x71/0x230
timerqueue_del+0x1d/0x40
hrtimer_try_to_cancel+0xb5/0x110
xennet_alloc_rx_buffers+0x2a0/0x2a0
napi_busy_loop+0xdb/0x270
sock_poll+0x87/0x90
do_sys_poll+0x26f/0x580
tracing_map_insert+0x1d4/0x2f0
event_hist_trigger+0x14a/0x260
finish_task_switch+0x71/0x230
__schedule+0x256/0x890
recalc_sigpending+0x1b/0x50
xen_sched_clock+0x15/0x20
__rb_reserve_next+0x12d/0x140
ring_buffer_lock_reserve+0x123/0x3d0
event_triggers_call+0x87/0xb0
trace_event_buffer_commit+0x1c4/0x210
xen_clocksource_get_cycles+0x15/0x20
ktime_get_ts64+0x51/0xf0
SyS_ppoll+0x160/0x1a0
SyS_ppoll+0x160/0x1a0
do_syscall_64+0x73/0x130
entry_SYSCALL_64_after_hwframe+0x41/0xa6
...
RIP: xennet_poll+0xae/0xd20 RSP: ffffb4f041933900
CR2: 0000000000000008
---[ end trace f8601785b354351c ]---
xen frontend should remove the NAPIs for the old srings before live
migration as the bond srings are destroyed
There is a tiny window between the srings are set to NULL and
the NAPIs are disabled, It is safe as the NAPI threads are still
frozen at that time
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4ec2411980d0fd2995e8dea8a06fe57aa47523cb Version: 4ec2411980d0fd2995e8dea8a06fe57aa47523cb Version: 4ec2411980d0fd2995e8dea8a06fe57aa47523cb Version: 4ec2411980d0fd2995e8dea8a06fe57aa47523cb Version: 4ec2411980d0fd2995e8dea8a06fe57aa47523cb Version: 4ec2411980d0fd2995e8dea8a06fe57aa47523cb |
||
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CVE-2024-50155 (GCVE-0-2024-50155)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netdevsim: use cond_resched() in nsim_dev_trap_report_work()
I am still seeing many syzbot reports hinting that syzbot
might fool nsim_dev_trap_report_work() with hundreds of ports [1]
Lets use cond_resched(), and system_unbound_wq
instead of implicit system_wq.
[1]
INFO: task syz-executor:20633 blocked for more than 143 seconds.
Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:25856 pid:20633 tgid:20633 ppid:1 flags:0x00004006
...
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 16760 Comm: kworker/1:0 Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 89 fb e8 23 00 00 00 48 8b 3d 04 fb 9c 0c 48 89 de 5b e9 c3 c7 5d 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 c0 d7 03 00 65 8b 15 60 f0
RSP: 0018:ffffc90000a187e8 EFLAGS: 00000246
RAX: 0000000000000100 RBX: ffffc90000a188e0 RCX: ffff888027d3bc00
RDX: ffff888027d3bc00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88804a2e6000 R08: ffffffff8a4bc495 R09: ffffffff89da3577
R10: 0000000000000004 R11: ffffffff8a4bc2b0 R12: dffffc0000000000
R13: ffff88806573b503 R14: dffffc0000000000 R15: ffff8880663cca00
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc90a747f98 CR3: 000000000e734000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 000000000000002b DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
__local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
spin_unlock_bh include/linux/spinlock.h:396 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
nsim_dev_trap_report_work+0x75d/0xaa0 drivers/net/netdevsim/dev.c:850
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0193e0660cc6689c794794b471492923cfd7bfbc Version: 6eecddd9c3c8d6e3a097531cdc6d500335b35e46 Version: ba5e1272142d051dcc57ca1d3225ad8a089f9858 Version: ba5e1272142d051dcc57ca1d3225ad8a089f9858 Version: d91964cdada76740811b7c621239f9c407820dbc Version: 6.1.78 ≤ Version: 6.6.17 ≤ Version: 6.7.5 ≤ |
||
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CVE-2024-50026 (GCVE-0-2024-50026)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: wd33c93: Don't use stale scsi_pointer value
A regression was introduced with commit dbb2da557a6a ("scsi: wd33c93:
Move the SCSI pointer to private command data") which results in an oops
in wd33c93_intr(). That commit added the scsi_pointer variable and
initialized it from hostdata->connected. However, during selection,
hostdata->connected is not yet valid. Fix this by getting the current
scsi_pointer from hostdata->selecting.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47681 (GCVE-0-2024-47681)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7996: fix NULL pointer dereference in mt7996_mcu_sta_bfer_he
Fix the NULL pointer dereference in mt7996_mcu_sta_bfer_he
routine adding an sta interface to the mt7996 driver.
Found by code review.
References
| URL | Tags | |
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Impacted products
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CVE-2024-49902 (GCVE-0-2024-49902)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
jfs: check if leafidx greater than num leaves per dmap tree
syzbot report a out of bounds in dbSplit, it because dmt_leafidx greater
than num leaves per dmap tree, add a checking for dmt_leafidx in dbFindLeaf.
Shaggy:
Modified sanity check to apply to control pages as well as leaf pages.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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CVE-2024-49855 (GCVE-0-2024-49855)
Vulnerability from cvelistv5
Published
2024-10-21 12:18
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nbd: fix race between timeout and normal completion
If request timetout is handled by nbd_requeue_cmd(), normal completion
has to be stopped for avoiding to complete this requeued request, other
use-after-free can be triggered.
Fix the race by clearing NBD_CMD_INFLIGHT in nbd_requeue_cmd(), meantime
make sure that cmd->lock is grabbed for clearing the flag and the
requeue.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2895f1831e911ca87d4efdf43e35eb72a0c7e66e Version: 2895f1831e911ca87d4efdf43e35eb72a0c7e66e Version: 2895f1831e911ca87d4efdf43e35eb72a0c7e66e Version: 2895f1831e911ca87d4efdf43e35eb72a0c7e66e Version: 2895f1831e911ca87d4efdf43e35eb72a0c7e66e Version: cdf62c535a9bfd5ff0eef4b91669da39d8abc0c3 Version: 5171ef20bae852ff38f4cfdb368bcdcc744776d0 Version: 5.17.15 ≤ Version: 5.18.4 ≤ |
||
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CVE-2024-50194 (GCVE-0-2024-50194)
Vulnerability from cvelistv5
Published
2024-11-08 05:54
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
arm64: probes: Fix uprobes for big-endian kernels
The arm64 uprobes code is broken for big-endian kernels as it doesn't
convert the in-memory instruction encoding (which is always
little-endian) into the kernel's native endianness before analyzing and
simulating instructions. This may result in a few distinct problems:
* The kernel may may erroneously reject probing an instruction which can
safely be probed.
* The kernel may erroneously erroneously permit stepping an
instruction out-of-line when that instruction cannot be stepped
out-of-line safely.
* The kernel may erroneously simulate instruction incorrectly dur to
interpretting the byte-swapped encoding.
The endianness mismatch isn't caught by the compiler or sparse because:
* The arch_uprobe::{insn,ixol} fields are encoded as arrays of u8, so
the compiler and sparse have no idea these contain a little-endian
32-bit value. The core uprobes code populates these with a memcpy()
which similarly does not handle endianness.
* While the uprobe_opcode_t type is an alias for __le32, both
arch_uprobe_analyze_insn() and arch_uprobe_skip_sstep() cast from u8[]
to the similarly-named probe_opcode_t, which is an alias for u32.
Hence there is no endianness conversion warning.
Fix this by changing the arch_uprobe::{insn,ixol} fields to __le32 and
adding the appropriate __le32_to_cpu() conversions prior to consuming
the instruction encoding. The core uprobes copies these fields as opaque
ranges of bytes, and so is unaffected by this change.
At the same time, remove MAX_UINSN_BYTES and consistently use
AARCH64_INSN_SIZE for clarity.
Tested with the following:
| #include <stdio.h>
| #include <stdbool.h>
|
| #define noinline __attribute__((noinline))
|
| static noinline void *adrp_self(void)
| {
| void *addr;
|
| asm volatile(
| " adrp %x0, adrp_self\n"
| " add %x0, %x0, :lo12:adrp_self\n"
| : "=r" (addr));
| }
|
|
| int main(int argc, char *argv)
| {
| void *ptr = adrp_self();
| bool equal = (ptr == adrp_self);
|
| printf("adrp_self => %p\n"
| "adrp_self() => %p\n"
| "%s\n",
| adrp_self, ptr, equal ? "EQUAL" : "NOT EQUAL");
|
| return 0;
| }
.... where the adrp_self() function was compiled to:
| 00000000004007e0 <adrp_self>:
| 4007e0: 90000000 adrp x0, 400000 <__ehdr_start>
| 4007e4: 911f8000 add x0, x0, #0x7e0
| 4007e8: d65f03c0 ret
Before this patch, the ADRP is not recognized, and is assumed to be
steppable, resulting in corruption of the result:
| # ./adrp-self
| adrp_self => 0x4007e0
| adrp_self() => 0x4007e0
| EQUAL
| # echo 'p /root/adrp-self:0x007e0' > /sys/kernel/tracing/uprobe_events
| # echo 1 > /sys/kernel/tracing/events/uprobes/enable
| # ./adrp-self
| adrp_self => 0x4007e0
| adrp_self() => 0xffffffffff7e0
| NOT EQUAL
After this patch, the ADRP is correctly recognized and simulated:
| # ./adrp-self
| adrp_self => 0x4007e0
| adrp_self() => 0x4007e0
| EQUAL
| #
| # echo 'p /root/adrp-self:0x007e0' > /sys/kernel/tracing/uprobe_events
| # echo 1 > /sys/kernel/tracing/events/uprobes/enable
| # ./adrp-self
| adrp_self => 0x4007e0
| adrp_self() => 0x4007e0
| EQUAL
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: probes: Fix uprobes for big-endian kernels\n\nThe arm64 uprobes code is broken for big-endian kernels as it doesn\u0027t\nconvert the in-memory instruction encoding (which is always\nlittle-endian) into the kernel\u0027s native endianness before analyzing and\nsimulating instructions. This may result in a few distinct problems:\n\n* The kernel may may erroneously reject probing an instruction which can\n safely be probed.\n\n* The kernel may erroneously erroneously permit stepping an\n instruction out-of-line when that instruction cannot be stepped\n out-of-line safely.\n\n* The kernel may erroneously simulate instruction incorrectly dur to\n interpretting the byte-swapped encoding.\n\nThe endianness mismatch isn\u0027t caught by the compiler or sparse because:\n\n* The arch_uprobe::{insn,ixol} fields are encoded as arrays of u8, so\n the compiler and sparse have no idea these contain a little-endian\n 32-bit value. The core uprobes code populates these with a memcpy()\n which similarly does not handle endianness.\n\n* While the uprobe_opcode_t type is an alias for __le32, both\n arch_uprobe_analyze_insn() and arch_uprobe_skip_sstep() cast from u8[]\n to the similarly-named probe_opcode_t, which is an alias for u32.\n Hence there is no endianness conversion warning.\n\nFix this by changing the arch_uprobe::{insn,ixol} fields to __le32 and\nadding the appropriate __le32_to_cpu() conversions prior to consuming\nthe instruction encoding. The core uprobes copies these fields as opaque\nranges of bytes, and so is unaffected by this change.\n\nAt the same time, remove MAX_UINSN_BYTES and consistently use\nAARCH64_INSN_SIZE for clarity.\n\nTested with the following:\n\n| #include \u003cstdio.h\u003e\n| #include \u003cstdbool.h\u003e\n|\n| #define noinline __attribute__((noinline))\n|\n| static noinline void *adrp_self(void)\n| {\n| void *addr;\n|\n| asm volatile(\n| \" adrp %x0, adrp_self\\n\"\n| \" add %x0, %x0, :lo12:adrp_self\\n\"\n| : \"=r\" (addr));\n| }\n|\n|\n| int main(int argc, char *argv)\n| {\n| void *ptr = adrp_self();\n| bool equal = (ptr == adrp_self);\n|\n| printf(\"adrp_self =\u003e %p\\n\"\n| \"adrp_self() =\u003e %p\\n\"\n| \"%s\\n\",\n| adrp_self, ptr, equal ? \"EQUAL\" : \"NOT EQUAL\");\n|\n| return 0;\n| }\n\n.... where the adrp_self() function was compiled to:\n\n| 00000000004007e0 \u003cadrp_self\u003e:\n| 4007e0: 90000000 adrp x0, 400000 \u003c__ehdr_start\u003e\n| 4007e4: 911f8000 add x0, x0, #0x7e0\n| 4007e8: d65f03c0 ret\n\nBefore this patch, the ADRP is not recognized, and is assumed to be\nsteppable, resulting in corruption of the result:\n\n| # ./adrp-self\n| adrp_self =\u003e 0x4007e0\n| adrp_self() =\u003e 0x4007e0\n| EQUAL\n| # echo \u0027p /root/adrp-self:0x007e0\u0027 \u003e /sys/kernel/tracing/uprobe_events\n| # echo 1 \u003e /sys/kernel/tracing/events/uprobes/enable\n| # ./adrp-self\n| adrp_self =\u003e 0x4007e0\n| adrp_self() =\u003e 0xffffffffff7e0\n| NOT EQUAL\n\nAfter this patch, the ADRP is correctly recognized and simulated:\n\n| # ./adrp-self\n| adrp_self =\u003e 0x4007e0\n| adrp_self() =\u003e 0x4007e0\n| EQUAL\n| #\n| # echo \u0027p /root/adrp-self:0x007e0\u0027 \u003e /sys/kernel/tracing/uprobe_events\n| # echo 1 \u003e /sys/kernel/tracing/events/uprobes/enable\n| # ./adrp-self\n| adrp_self =\u003e 0x4007e0\n| adrp_self() =\u003e 0x4007e0\n| EQUAL"
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CVE-2024-50160 (GCVE-0-2024-50160)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda/cs8409: Fix possible NULL dereference
If snd_hda_gen_add_kctl fails to allocate memory and returns NULL, then
NULL pointer dereference will occur in the next line.
Since dolphin_fixups function is a hda_fixup function which is not supposed
to return any errors, add simple check before dereference, ignore the fail.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50210 (GCVE-0-2024-50210)
Vulnerability from cvelistv5
Published
2024-11-08 06:08
Modified
2026-05-12 12:00
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime()
If get_clock_desc() succeeds, it calls fget() for the clockid's fd,
and get the clk->rwsem read lock, so the error path should release
the lock to make the lock balance and fput the clockid's fd to make
the refcount balance and release the fd related resource.
However the below commit left the error path locked behind resulting in
unbalanced locking. Check timespec64_valid_strict() before
get_clock_desc() to fix it, because the "ts" is not changed
after that.
[pabeni@redhat.com: fixed commit message typo]
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 29f085345cde24566efb751f39e5d367c381c584 Version: e0c966bd3e31911b57ef76cec4c5796ebd88e512 Version: 673a1c5a2998acbd429d6286e6cad10f17f4f073 Version: c8789fbe2bbf75845e45302cba6ffa44e1884d01 Version: 27abbde44b6e71ee3891de13e1a228aa7ce95bfe Version: a3f169e398215e71361774d13bf91a0101283ac2 Version: 1ff7247101af723731ea42ed565d54fb8f341264 Version: d8794ac20a299b647ba9958f6d657051fc51a540 |
||
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CVE-2021-47534 (GCVE-0-2021-47534)
Vulnerability from cvelistv5
Published
2024-05-24 15:09
Modified
2026-05-11 13:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/vc4: kms: Add missing drm_crtc_commit_put
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commit") introduced a global state for the HVS, with each FIFO storing
the current CRTC commit so that we can properly synchronize commits.
However, the refcounting was off and we thus ended up leaking the
drm_crtc_commit structure every commit. Add a drm_crtc_commit_put to
prevent the leakage.
References
Impacted products
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CVE-2024-49913 (GCVE-0-2024-49913)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add null check for top_pipe_to_program in commit_planes_for_stream
This commit addresses a null pointer dereference issue in the
`commit_planes_for_stream` function at line 4140. The issue could occur
when `top_pipe_to_program` is null.
The fix adds a check to ensure `top_pipe_to_program` is not null before
accessing its stream_res. This prevents a null pointer dereference.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:4140 commit_planes_for_stream() error: we previously assumed 'top_pipe_to_program' could be null (see line 3906)
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-49920 (GCVE-0-2024-49920)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check null pointers before multiple uses
[WHAT & HOW]
Poniters, such as stream_enc and dc->bw_vbios, are null checked previously
in the same function, so Coverity warns "implies that stream_enc and
dc->bw_vbios might be null". They are used multiple times in the
subsequent code and need to be checked.
This fixes 10 FORWARD_NULL issues reported by Coverity.
References
Impacted products
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CVE-2024-36905 (GCVE-0-2024-36905)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2026-05-12 11:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets
TCP_SYN_RECV state is really special, it is only used by
cross-syn connections, mostly used by fuzzers.
In the following crash [1], syzbot managed to trigger a divide
by zero in tcp_rcv_space_adjust()
A socket makes the following state transitions,
without ever calling tcp_init_transfer(),
meaning tcp_init_buffer_space() is also not called.
TCP_CLOSE
connect()
TCP_SYN_SENT
TCP_SYN_RECV
shutdown() -> tcp_shutdown(sk, SEND_SHUTDOWN)
TCP_FIN_WAIT1
To fix this issue, change tcp_shutdown() to not
perform a TCP_SYN_RECV -> TCP_FIN_WAIT1 transition,
which makes no sense anyway.
When tcp_rcv_state_process() later changes socket state
from TCP_SYN_RECV to TCP_ESTABLISH, then look at
sk->sk_shutdown to finally enter TCP_FIN_WAIT1 state,
and send a FIN packet from a sane socket state.
This means tcp_send_fin() can now be called from BH
context, and must use GFP_ATOMIC allocations.
[1]
divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 5084 Comm: syz-executor358 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767
Code: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 0f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f af c3 31 d2 <48> f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48
RSP: 0018:ffffc900031ef3f0 EFLAGS: 00010246
RAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7
R10: dffffc0000000000 R11: ffffffff8135e920 R12: ffff88802a9f8d30
R13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da
FS: 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1155bf2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0
Call Trace:
<TASK>
tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/tcp.c:2513
tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578
inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680
sock_recvmsg_nosec net/socket.c:1046 [inline]
sock_recvmsg+0x109/0x280 net/socket.c:1068
____sys_recvmsg+0x1db/0x470 net/socket.c:2803
___sys_recvmsg net/socket.c:2845 [inline]
do_recvmmsg+0x474/0xae0 net/socket.c:2939
__sys_recvmmsg net/socket.c:3018 [inline]
__do_sys_recvmmsg net/socket.c:3041 [inline]
__se_sys_recvmmsg net/socket.c:3034 [inline]
__x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faeb6363db9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9
RDX: 0000000000000001 RSI: 0000000020000bc0 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c
R10: 0000000000000122 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2024-47666 (GCVE-0-2024-47666)
Vulnerability from cvelistv5
Published
2024-10-09 14:13
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: pm80xx: Set phy->enable_completion only when we wait for it
pm8001_phy_control() populates the enable_completion pointer with a stack
address, sends a PHY_LINK_RESET / PHY_HARD_RESET, waits 300 ms, and
returns. The problem arises when a phy control response comes late. After
300 ms the pm8001_phy_control() function returns and the passed
enable_completion stack address is no longer valid. Late phy control
response invokes complete() on a dangling enable_completion pointer which
leads to a kernel crash.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 869ddbdcae3b4fb83b99889abae31544c149b210 Version: 869ddbdcae3b4fb83b99889abae31544c149b210 Version: 869ddbdcae3b4fb83b99889abae31544c149b210 Version: 869ddbdcae3b4fb83b99889abae31544c149b210 Version: 869ddbdcae3b4fb83b99889abae31544c149b210 Version: 869ddbdcae3b4fb83b99889abae31544c149b210 |
||
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CVE-2024-50004 (GCVE-0-2024-50004)
Vulnerability from cvelistv5
Published
2024-10-21 18:53
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35
[WHY & HOW]
Mismatch in DCN35 DML2 cause bw validation failed to acquire unexpected DPP pipe to cause
grey screen and system hang. Remove EnhancedPrefetchScheduleAccelerationFinal value override
to match HW spec.
(cherry picked from commit 9dad21f910fcea2bdcff4af46159101d7f9cd8ba)
References
Impacted products
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CVE-2024-49900 (GCVE-0-2024-49900)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
jfs: Fix uninit-value access of new_ea in ea_buffer
syzbot reports that lzo1x_1_do_compress is using uninit-value:
=====================================================
BUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178
...
Uninit was stored to memory at:
ea_put fs/jfs/xattr.c:639 [inline]
...
Local variable ea_buf created at:
__jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662
__jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934
=====================================================
The reason is ea_buf->new_ea is not initialized properly.
Fix this by using memset to empty its content at the beginning
in ea_get().
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2022-48997 (GCVE-0-2022-48997)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
char: tpm: Protect tpm_pm_suspend with locks
Currently tpm transactions are executed unconditionally in
tpm_pm_suspend() function, which may lead to races with other tpm
accessors in the system.
Specifically, the hw_random tpm driver makes use of tpm_get_random(),
and this function is called in a loop from a kthread, which means it's
not frozen alongside userspace, and so can race with the work done
during system suspend:
tpm tpm0: tpm_transmit: tpm_recv: error -52
tpm tpm0: invalid TPM_STS.x 0xff, dumping stack for forensics
CPU: 0 PID: 1 Comm: init Not tainted 6.1.0-rc5+ #135
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-20220807_005459-localhost 04/01/2014
Call Trace:
tpm_tis_status.cold+0x19/0x20
tpm_transmit+0x13b/0x390
tpm_transmit_cmd+0x20/0x80
tpm1_pm_suspend+0xa6/0x110
tpm_pm_suspend+0x53/0x80
__pnp_bus_suspend+0x35/0xe0
__device_suspend+0x10f/0x350
Fix this by calling tpm_try_get_ops(), which itself is a wrapper around
tpm_chip_start(), but takes the appropriate mutex.
[Jason: reworked commit message, added metadata]
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50296 (GCVE-0-2024-50296)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-23 15:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: hns3: fix kernel crash when uninstalling driver
When the driver is uninstalled and the VF is disabled concurrently, a
kernel crash occurs. The reason is that the two actions call function
pci_disable_sriov(). The num_VFs is checked to determine whether to
release the corresponding resources. During the second calling, num_VFs
is not 0 and the resource release function is called. However, the
corresponding resource has been released during the first invoking.
Therefore, the problem occurs:
[15277.839633][T50670] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020
...
[15278.131557][T50670] Call trace:
[15278.134686][T50670] klist_put+0x28/0x12c
[15278.138682][T50670] klist_del+0x14/0x20
[15278.142592][T50670] device_del+0xbc/0x3c0
[15278.146676][T50670] pci_remove_bus_device+0x84/0x120
[15278.151714][T50670] pci_stop_and_remove_bus_device+0x6c/0x80
[15278.157447][T50670] pci_iov_remove_virtfn+0xb4/0x12c
[15278.162485][T50670] sriov_disable+0x50/0x11c
[15278.166829][T50670] pci_disable_sriov+0x24/0x30
[15278.171433][T50670] hnae3_unregister_ae_algo_prepare+0x60/0x90 [hnae3]
[15278.178039][T50670] hclge_exit+0x28/0xd0 [hclge]
[15278.182730][T50670] __se_sys_delete_module.isra.0+0x164/0x230
[15278.188550][T50670] __arm64_sys_delete_module+0x1c/0x30
[15278.193848][T50670] invoke_syscall+0x50/0x11c
[15278.198278][T50670] el0_svc_common.constprop.0+0x158/0x164
[15278.203837][T50670] do_el0_svc+0x34/0xcc
[15278.207834][T50670] el0_svc+0x20/0x30
For details, see the following figure.
rmmod hclge disable VFs
----------------------------------------------------
hclge_exit() sriov_numvfs_store()
... device_lock()
pci_disable_sriov() hns3_pci_sriov_configure()
pci_disable_sriov()
sriov_disable()
sriov_disable() if !num_VFs :
if !num_VFs : return;
return; sriov_del_vfs()
sriov_del_vfs() ...
... klist_put()
klist_put() ...
... num_VFs = 0;
num_VFs = 0; device_unlock();
In this patch, when driver is removing, we get the device_lock()
to protect num_VFs, just like sriov_numvfs_store().
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: fix kernel crash when uninstalling driver\n\nWhen the driver is uninstalled and the VF is disabled concurrently, a\nkernel crash occurs. The reason is that the two actions call function\npci_disable_sriov(). The num_VFs is checked to determine whether to\nrelease the corresponding resources. During the second calling, num_VFs\nis not 0 and the resource release function is called. However, the\ncorresponding resource has been released during the first invoking.\nTherefore, the problem occurs:\n\n[15277.839633][T50670] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020\n...\n[15278.131557][T50670] Call trace:\n[15278.134686][T50670] klist_put+0x28/0x12c\n[15278.138682][T50670] klist_del+0x14/0x20\n[15278.142592][T50670] device_del+0xbc/0x3c0\n[15278.146676][T50670] pci_remove_bus_device+0x84/0x120\n[15278.151714][T50670] pci_stop_and_remove_bus_device+0x6c/0x80\n[15278.157447][T50670] pci_iov_remove_virtfn+0xb4/0x12c\n[15278.162485][T50670] sriov_disable+0x50/0x11c\n[15278.166829][T50670] pci_disable_sriov+0x24/0x30\n[15278.171433][T50670] hnae3_unregister_ae_algo_prepare+0x60/0x90 [hnae3]\n[15278.178039][T50670] hclge_exit+0x28/0xd0 [hclge]\n[15278.182730][T50670] __se_sys_delete_module.isra.0+0x164/0x230\n[15278.188550][T50670] __arm64_sys_delete_module+0x1c/0x30\n[15278.193848][T50670] invoke_syscall+0x50/0x11c\n[15278.198278][T50670] el0_svc_common.constprop.0+0x158/0x164\n[15278.203837][T50670] do_el0_svc+0x34/0xcc\n[15278.207834][T50670] el0_svc+0x20/0x30\n\nFor details, see the following figure.\n\n rmmod hclge disable VFs\n----------------------------------------------------\nhclge_exit() sriov_numvfs_store()\n ... device_lock()\n pci_disable_sriov() hns3_pci_sriov_configure()\n pci_disable_sriov()\n sriov_disable()\n sriov_disable() if !num_VFs :\n if !num_VFs : return;\n return; sriov_del_vfs()\n sriov_del_vfs() ...\n ... klist_put()\n klist_put() ...\n ... num_VFs = 0;\n num_VFs = 0; device_unlock();\n\nIn this patch, when driver is removing, we get the device_lock()\nto protect num_VFs, just like sriov_numvfs_store()."
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CVE-2024-50275 (GCVE-0-2024-50275)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
arm64/sve: Discard stale CPU state when handling SVE traps
The logic for handling SVE traps manipulates saved FPSIMD/SVE state
incorrectly, and a race with preemption can result in a task having
TIF_SVE set and TIF_FOREIGN_FPSTATE clear even though the live CPU state
is stale (e.g. with SVE traps enabled). This has been observed to result
in warnings from do_sve_acc() where SVE traps are not expected while
TIF_SVE is set:
| if (test_and_set_thread_flag(TIF_SVE))
| WARN_ON(1); /* SVE access shouldn't have trapped */
Warnings of this form have been reported intermittently, e.g.
https://lore.kernel.org/linux-arm-kernel/CA+G9fYtEGe_DhY2Ms7+L7NKsLYUomGsgqpdBj+QwDLeSg=JhGg@mail.gmail.com/
https://lore.kernel.org/linux-arm-kernel/000000000000511e9a060ce5a45c@google.com/
The race can occur when the SVE trap handler is preempted before and
after manipulating the saved FPSIMD/SVE state, starting and ending on
the same CPU, e.g.
| void do_sve_acc(unsigned long esr, struct pt_regs *regs)
| {
| // Trap on CPU 0 with TIF_SVE clear, SVE traps enabled
| // task->fpsimd_cpu is 0.
| // per_cpu_ptr(&fpsimd_last_state, 0) is task.
|
| ...
|
| // Preempted; migrated from CPU 0 to CPU 1.
| // TIF_FOREIGN_FPSTATE is set.
|
| get_cpu_fpsimd_context();
|
| if (test_and_set_thread_flag(TIF_SVE))
| WARN_ON(1); /* SVE access shouldn't have trapped */
|
| sve_init_regs() {
| if (!test_thread_flag(TIF_FOREIGN_FPSTATE)) {
| ...
| } else {
| fpsimd_to_sve(current);
| current->thread.fp_type = FP_STATE_SVE;
| }
| }
|
| put_cpu_fpsimd_context();
|
| // Preempted; migrated from CPU 1 to CPU 0.
| // task->fpsimd_cpu is still 0
| // If per_cpu_ptr(&fpsimd_last_state, 0) is still task then:
| // - Stale HW state is reused (with SVE traps enabled)
| // - TIF_FOREIGN_FPSTATE is cleared
| // - A return to userspace skips HW state restore
| }
Fix the case where the state is not live and TIF_FOREIGN_FPSTATE is set
by calling fpsimd_flush_task_state() to detach from the saved CPU
state. This ensures that a subsequent context switch will not reuse the
stale CPU state, and will instead set TIF_FOREIGN_FPSTATE, forcing the
new state to be reloaded from memory prior to a return to userspace.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49995 (GCVE-0-2024-49995)
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
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CVE-2024-46842 (GCVE-0-2024-46842)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: lpfc: Handle mailbox timeouts in lpfc_get_sfp_info
The MBX_TIMEOUT return code is not handled in lpfc_get_sfp_info and the
routine unconditionally frees submitted mailbox commands regardless of
return status. The issue is that for MBX_TIMEOUT cases, when firmware
returns SFP information at a later time, that same mailbox memory region
references previously freed memory in its cmpl routine.
Fix by adding checks for the MBX_TIMEOUT return code. During mailbox
resource cleanup, check the mbox flag to make sure that the wait did not
timeout. If the MBOX_WAKE flag is not set, then do not free the resources
because it will be freed when firmware completes the mailbox at a later
time in its cmpl routine.
Also, increase the timeout from 30 to 60 seconds to accommodate boot
scripts requiring longer timeouts.
References
Impacted products
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CVE-2024-36031 (GCVE-0-2024-36031)
Vulnerability from cvelistv5
Published
2024-05-30 15:23
Modified
2026-05-23 15:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
keys: Fix overwrite of key expiration on instantiation
The expiry time of a key is unconditionally overwritten during
instantiation, defaulting to turn it permanent. This causes a problem
for DNS resolution as the expiration set by user-space is overwritten to
TIME64_MAX, disabling further DNS updates. Fix this by restoring the
condition that key_set_expiry is only called when the pre-parser sets a
specific expiry.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-38576 (GCVE-0-2024-38576)
Vulnerability from cvelistv5
Published
2024-06-19 13:37
Modified
2026-08-05 11:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
rcu: Fix buffer overflow in print_cpu_stall_info()
The rcuc-starvation output from print_cpu_stall_info() might overflow the
buffer if there is a huge difference in jiffies difference. The situation
might seem improbable, but computers sometimes get very confused about
time, which can result in full-sized integers, and, in this case,
buffer overflow.
Also, the unsigned jiffies difference is printed using %ld, which is
normally for signed integers. This is intentional for debugging purposes,
but it is not obvious from the code.
This commit therefore changes sprintf() to snprintf() and adds a
clarifying comment about intention of %ld format.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2024-50099 (GCVE-0-2024-50099)
Vulnerability from cvelistv5
Published
2024-11-05 17:07
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
arm64: probes: Remove broken LDR (literal) uprobe support
The simulate_ldr_literal() and simulate_ldrsw_literal() functions are
unsafe to use for uprobes. Both functions were originally written for
use with kprobes, and access memory with plain C accesses. When uprobes
was added, these were reused unmodified even though they cannot safely
access user memory.
There are three key problems:
1) The plain C accesses do not have corresponding extable entries, and
thus if they encounter a fault the kernel will treat these as
unintentional accesses to user memory, resulting in a BUG() which
will kill the kernel thread, and likely lead to further issues (e.g.
lockup or panic()).
2) The plain C accesses are subject to HW PAN and SW PAN, and so when
either is in use, any attempt to simulate an access to user memory
will fault. Thus neither simulate_ldr_literal() nor
simulate_ldrsw_literal() can do anything useful when simulating a
user instruction on any system with HW PAN or SW PAN.
3) The plain C accesses are privileged, as they run in kernel context,
and in practice can access a small range of kernel virtual addresses.
The instructions they simulate have a range of +/-1MiB, and since the
simulated instructions must itself be a user instructions in the
TTBR0 address range, these can address the final 1MiB of the TTBR1
acddress range by wrapping downwards from an address in the first
1MiB of the TTBR0 address range.
In contemporary kernels the last 8MiB of TTBR1 address range is
reserved, and accesses to this will always fault, meaning this is no
worse than (1).
Historically, it was theoretically possible for the linear map or
vmemmap to spill into the final 8MiB of the TTBR1 address range, but
in practice this is extremely unlikely to occur as this would
require either:
* Having enough physical memory to fill the entire linear map all the
way to the final 1MiB of the TTBR1 address range.
* Getting unlucky with KASLR randomization of the linear map such
that the populated region happens to overlap with the last 1MiB of
the TTBR address range.
... and in either case if we were to spill into the final page there
would be larger problems as the final page would alias with error
pointers.
Practically speaking, (1) and (2) are the big issues. Given there have
been no reports of problems since the broken code was introduced, it
appears that no-one is relying on probing these instructions with
uprobes.
Avoid these issues by not allowing uprobes on LDR (literal) and LDRSW
(literal), limiting the use of simulate_ldr_literal() and
simulate_ldrsw_literal() to kprobes. Attempts to place uprobes on LDR
(literal) and LDRSW (literal) will be rejected as
arm_probe_decode_insn() will return INSN_REJECTED. In future we can
consider introducing working uprobes support for these instructions, but
this will require more significant work.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 Version: 9842ceae9fa8deae141533d52a6ead7666962c09 |
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CVE-2024-53112 (GCVE-0-2024-53112)
Vulnerability from cvelistv5
Published
2024-12-02 13:44
Modified
2026-05-11 20:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: uncache inode which has failed entering the group
Syzbot has reported the following BUG:
kernel BUG at fs/ocfs2/uptodate.c:509!
...
Call Trace:
<TASK>
? __die_body+0x5f/0xb0
? die+0x9e/0xc0
? do_trap+0x15a/0x3a0
? ocfs2_set_new_buffer_uptodate+0x145/0x160
? do_error_trap+0x1dc/0x2c0
? ocfs2_set_new_buffer_uptodate+0x145/0x160
? __pfx_do_error_trap+0x10/0x10
? handle_invalid_op+0x34/0x40
? ocfs2_set_new_buffer_uptodate+0x145/0x160
? exc_invalid_op+0x38/0x50
? asm_exc_invalid_op+0x1a/0x20
? ocfs2_set_new_buffer_uptodate+0x2e/0x160
? ocfs2_set_new_buffer_uptodate+0x144/0x160
? ocfs2_set_new_buffer_uptodate+0x145/0x160
ocfs2_group_add+0x39f/0x15a0
? __pfx_ocfs2_group_add+0x10/0x10
? __pfx_lock_acquire+0x10/0x10
? mnt_get_write_access+0x68/0x2b0
? __pfx_lock_release+0x10/0x10
? rcu_read_lock_any_held+0xb7/0x160
? __pfx_rcu_read_lock_any_held+0x10/0x10
? smack_log+0x123/0x540
? mnt_get_write_access+0x68/0x2b0
? mnt_get_write_access+0x68/0x2b0
? mnt_get_write_access+0x226/0x2b0
ocfs2_ioctl+0x65e/0x7d0
? __pfx_ocfs2_ioctl+0x10/0x10
? smack_file_ioctl+0x29e/0x3a0
? __pfx_smack_file_ioctl+0x10/0x10
? lockdep_hardirqs_on_prepare+0x43d/0x780
? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
? __pfx_ocfs2_ioctl+0x10/0x10
__se_sys_ioctl+0xfb/0x170
do_syscall_64+0xf3/0x230
entry_SYSCALL_64_after_hwframe+0x77/0x7f
...
</TASK>
When 'ioctl(OCFS2_IOC_GROUP_ADD, ...)' has failed for the particular
inode in 'ocfs2_verify_group_and_input()', corresponding buffer head
remains cached and subsequent call to the same 'ioctl()' for the same
inode issues the BUG() in 'ocfs2_set_new_buffer_uptodate()' (trying
to cache the same buffer head of that inode). Fix this by uncaching
the buffer head with 'ocfs2_remove_from_cache()' on error path in
'ocfs2_group_add()'.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7909f2bf835376a20d6dbf853eb459a27566eba2 Version: 7909f2bf835376a20d6dbf853eb459a27566eba2 Version: 7909f2bf835376a20d6dbf853eb459a27566eba2 Version: 7909f2bf835376a20d6dbf853eb459a27566eba2 Version: 7909f2bf835376a20d6dbf853eb459a27566eba2 Version: 7909f2bf835376a20d6dbf853eb459a27566eba2 Version: 7909f2bf835376a20d6dbf853eb459a27566eba2 Version: 7909f2bf835376a20d6dbf853eb459a27566eba2 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: uncache inode which has failed entering the group\n\nSyzbot has reported the following BUG:\n\nkernel BUG at fs/ocfs2/uptodate.c:509!\n...\nCall Trace:\n \u003cTASK\u003e\n ? __die_body+0x5f/0xb0\n ? die+0x9e/0xc0\n ? do_trap+0x15a/0x3a0\n ? ocfs2_set_new_buffer_uptodate+0x145/0x160\n ? do_error_trap+0x1dc/0x2c0\n ? ocfs2_set_new_buffer_uptodate+0x145/0x160\n ? __pfx_do_error_trap+0x10/0x10\n ? handle_invalid_op+0x34/0x40\n ? ocfs2_set_new_buffer_uptodate+0x145/0x160\n ? exc_invalid_op+0x38/0x50\n ? asm_exc_invalid_op+0x1a/0x20\n ? ocfs2_set_new_buffer_uptodate+0x2e/0x160\n ? ocfs2_set_new_buffer_uptodate+0x144/0x160\n ? ocfs2_set_new_buffer_uptodate+0x145/0x160\n ocfs2_group_add+0x39f/0x15a0\n ? __pfx_ocfs2_group_add+0x10/0x10\n ? __pfx_lock_acquire+0x10/0x10\n ? mnt_get_write_access+0x68/0x2b0\n ? __pfx_lock_release+0x10/0x10\n ? rcu_read_lock_any_held+0xb7/0x160\n ? __pfx_rcu_read_lock_any_held+0x10/0x10\n ? smack_log+0x123/0x540\n ? mnt_get_write_access+0x68/0x2b0\n ? mnt_get_write_access+0x68/0x2b0\n ? mnt_get_write_access+0x226/0x2b0\n ocfs2_ioctl+0x65e/0x7d0\n ? __pfx_ocfs2_ioctl+0x10/0x10\n ? smack_file_ioctl+0x29e/0x3a0\n ? __pfx_smack_file_ioctl+0x10/0x10\n ? lockdep_hardirqs_on_prepare+0x43d/0x780\n ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10\n ? __pfx_ocfs2_ioctl+0x10/0x10\n __se_sys_ioctl+0xfb/0x170\n do_syscall_64+0xf3/0x230\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n...\n \u003c/TASK\u003e\n\nWhen \u0027ioctl(OCFS2_IOC_GROUP_ADD, ...)\u0027 has failed for the particular\ninode in \u0027ocfs2_verify_group_and_input()\u0027, corresponding buffer head\nremains cached and subsequent call to the same \u0027ioctl()\u0027 for the same\ninode issues the BUG() in \u0027ocfs2_set_new_buffer_uptodate()\u0027 (trying\nto cache the same buffer head of that inode). Fix this by uncaching\nthe buffer head with \u0027ocfs2_remove_from_cache()\u0027 on error path in\n\u0027ocfs2_group_add()\u0027."
}
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CVE-2022-48674 (GCVE-0-2022-48674)
Vulnerability from cvelistv5
Published
2024-05-03 14:51
Modified
2026-08-05 08:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
erofs: fix pcluster use-after-free on UP platforms
During stress testing with CONFIG_SMP disabled, KASAN reports as below:
==================================================================
BUG: KASAN: use-after-free in __mutex_lock+0xe5/0xc30
Read of size 8 at addr ffff8881094223f8 by task stress/7789
CPU: 0 PID: 7789 Comm: stress Not tainted 6.0.0-rc1-00002-g0d53d2e882f9 #3
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
Call Trace:
<TASK>
..
__mutex_lock+0xe5/0xc30
..
z_erofs_do_read_page+0x8ce/0x1560
..
z_erofs_readahead+0x31c/0x580
..
Freed by task 7787
kasan_save_stack+0x1e/0x40
kasan_set_track+0x20/0x30
kasan_set_free_info+0x20/0x40
__kasan_slab_free+0x10c/0x190
kmem_cache_free+0xed/0x380
rcu_core+0x3d5/0xc90
__do_softirq+0x12d/0x389
Last potentially related work creation:
kasan_save_stack+0x1e/0x40
__kasan_record_aux_stack+0x97/0xb0
call_rcu+0x3d/0x3f0
erofs_shrink_workstation+0x11f/0x210
erofs_shrink_scan+0xdc/0x170
shrink_slab.constprop.0+0x296/0x530
drop_slab+0x1c/0x70
drop_caches_sysctl_handler+0x70/0x80
proc_sys_call_handler+0x20a/0x2f0
vfs_write+0x555/0x6c0
ksys_write+0xbe/0x160
do_syscall_64+0x3b/0x90
The root cause is that erofs_workgroup_unfreeze() doesn't reset to
orig_val thus it causes a race that the pcluster reuses unexpectedly
before freeing.
Since UP platforms are quite rare now, such path becomes unnecessary.
Let's drop such specific-designed path directly instead.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 73f5c66df3e26ab750cefcb9a3e08c71c9f79cad Version: 73f5c66df3e26ab750cefcb9a3e08c71c9f79cad Version: 73f5c66df3e26ab750cefcb9a3e08c71c9f79cad Version: 08ec9e6892cc792d7f8fe4d13bd8a0e91fb23488 Version: 78c46113413bea1cc345757112aa2642e0f66de5 Version: 4.19.26 ≤ Version: 4.20.13 ≤ |
||
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CVE-2024-47660 (GCVE-0-2024-47660)
Vulnerability from cvelistv5
Published
2024-10-09 14:02
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fsnotify: clear PARENT_WATCHED flags lazily
In some setups directories can have many (usually negative) dentries.
Hence __fsnotify_update_child_dentry_flags() function can take a
significant amount of time. Since the bulk of this function happens
under inode->i_lock this causes a significant contention on the lock
when we remove the watch from the directory as the
__fsnotify_update_child_dentry_flags() call from fsnotify_recalc_mask()
races with __fsnotify_update_child_dentry_flags() calls from
__fsnotify_parent() happening on children. This can lead upto softlockup
reports reported by users.
Fix the problem by calling fsnotify_update_children_dentry_flags() to
set PARENT_WATCHED flags only when parent starts watching children.
When parent stops watching children, clear false positive PARENT_WATCHED
flags lazily in __fsnotify_parent() for each accessed child.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 873feea09ebc980cbd3631b767356ce1eee65ec1 Version: 873feea09ebc980cbd3631b767356ce1eee65ec1 Version: 873feea09ebc980cbd3631b767356ce1eee65ec1 Version: 873feea09ebc980cbd3631b767356ce1eee65ec1 Version: 873feea09ebc980cbd3631b767356ce1eee65ec1 Version: 873feea09ebc980cbd3631b767356ce1eee65ec1 |
||
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CVE-2024-47705 (GCVE-0-2024-47705)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: fix potential invalid pointer dereference in blk_add_partition
The blk_add_partition() function initially used a single if-condition
(IS_ERR(part)) to check for errors when adding a partition. This was
modified to handle the specific case of -ENXIO separately, allowing the
function to proceed without logging the error in this case. However,
this change unintentionally left a path where md_autodetect_dev()
could be called without confirming that part is a valid pointer.
This commit separates the error handling logic by splitting the
initial if-condition, improving code readability and handling specific
error scenarios explicitly. The function now distinguishes the general
error case from -ENXIO without altering the existing behavior of
md_autodetect_dev() calls.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b72053072c0bbe9f1cdfe2ffa3c201c185da2201 Version: b72053072c0bbe9f1cdfe2ffa3c201c185da2201 Version: b72053072c0bbe9f1cdfe2ffa3c201c185da2201 Version: b72053072c0bbe9f1cdfe2ffa3c201c185da2201 Version: b72053072c0bbe9f1cdfe2ffa3c201c185da2201 Version: b72053072c0bbe9f1cdfe2ffa3c201c185da2201 Version: b72053072c0bbe9f1cdfe2ffa3c201c185da2201 |
||
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CVE-2024-49896 (GCVE-0-2024-49896)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check stream before comparing them
[WHAT & HOW]
amdgpu_dm can pass a null stream to dc_is_stream_unchanged. It is
necessary to check for null before dereferencing them.
This fixes 1 FORWARD_NULL issue reported by Coverity.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
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CVE-2024-26758 (GCVE-0-2024-26758)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2026-05-11 20:03
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
md: Don't ignore suspended array in md_check_recovery()
mddev_suspend() never stop sync_thread, hence it doesn't make sense to
ignore suspended array in md_check_recovery(), which might cause
sync_thread can't be unregistered.
After commit f52f5c71f3d4 ("md: fix stopping sync thread"), following
hang can be triggered by test shell/integrity-caching.sh:
1) suspend the array:
raid_postsuspend
mddev_suspend
2) stop the array:
raid_dtr
md_stop
__md_stop_writes
stop_sync_thread
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
md_wakeup_thread_directly(mddev->sync_thread);
wait_event(..., !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
3) sync thread done:
md_do_sync
set_bit(MD_RECOVERY_DONE, &mddev->recovery);
md_wakeup_thread(mddev->thread);
4) daemon thread can't unregister sync thread:
md_check_recovery
if (mddev->suspended)
return; -> return directly
md_read_sync_thread
clear_bit(MD_RECOVERY_RUNNING, &mddev->recovery);
-> MD_RECOVERY_RUNNING can't be cleared, hence step 2 hang;
This problem is not just related to dm-raid, fix it by ignoring
suspended array in md_check_recovery(). And follow up patches will
improve dm-raid better to frozen sync thread during suspend.
References
Impacted products
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CVE-2024-53110 (GCVE-0-2024-53110)
Vulnerability from cvelistv5
Published
2024-12-02 13:44
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vp_vdpa: fix id_table array not null terminated error
Allocate one extra virtio_device_id as null terminator, otherwise
vdpa_mgmtdev_get_classes() may iterate multiple times and visit
undefined memory.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2022-48983 (GCVE-0-2022-48983)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
io_uring: Fix a null-ptr-deref in io_tctx_exit_cb()
Syzkaller reports a NULL deref bug as follows:
BUG: KASAN: null-ptr-deref in io_tctx_exit_cb+0x53/0xd3
Read of size 4 at addr 0000000000000138 by task file1/1955
CPU: 1 PID: 1955 Comm: file1 Not tainted 6.1.0-rc7-00103-gef4d3ea40565 #75
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0xcd/0x134
? io_tctx_exit_cb+0x53/0xd3
kasan_report+0xbb/0x1f0
? io_tctx_exit_cb+0x53/0xd3
kasan_check_range+0x140/0x190
io_tctx_exit_cb+0x53/0xd3
task_work_run+0x164/0x250
? task_work_cancel+0x30/0x30
get_signal+0x1c3/0x2440
? lock_downgrade+0x6e0/0x6e0
? lock_downgrade+0x6e0/0x6e0
? exit_signals+0x8b0/0x8b0
? do_raw_read_unlock+0x3b/0x70
? do_raw_spin_unlock+0x50/0x230
arch_do_signal_or_restart+0x82/0x2470
? kmem_cache_free+0x260/0x4b0
? putname+0xfe/0x140
? get_sigframe_size+0x10/0x10
? do_execveat_common.isra.0+0x226/0x710
? lockdep_hardirqs_on+0x79/0x100
? putname+0xfe/0x140
? do_execveat_common.isra.0+0x238/0x710
exit_to_user_mode_prepare+0x15f/0x250
syscall_exit_to_user_mode+0x19/0x50
do_syscall_64+0x42/0xb0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0023:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 002b:00000000fffb7790 EFLAGS: 00000200 ORIG_RAX: 000000000000000b
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Kernel panic - not syncing: panic_on_warn set ...
This happens because the adding of task_work from io_ring_exit_work()
isn't synchronized with canceling all work items from eg exec. The
execution of the two are ordered in that they are both run by the task
itself, but if io_tctx_exit_cb() is queued while we're canceling all
work items off exec AND gets executed when the task exits to userspace
rather than in the main loop in io_uring_cancel_generic(), then we can
find current->io_uring == NULL and hit the above crash.
It's safe to add this NULL check here, because the execution of the two
paths are done by the task itself.
[axboe: add code comment and also put an explanation in the commit msg]
References
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: Fix a null-ptr-deref in io_tctx_exit_cb()\n\nSyzkaller reports a NULL deref bug as follows:\n\n BUG: KASAN: null-ptr-deref in io_tctx_exit_cb+0x53/0xd3\n Read of size 4 at addr 0000000000000138 by task file1/1955\n\n CPU: 1 PID: 1955 Comm: file1 Not tainted 6.1.0-rc7-00103-gef4d3ea40565 #75\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0xcd/0x134\n ? io_tctx_exit_cb+0x53/0xd3\n kasan_report+0xbb/0x1f0\n ? io_tctx_exit_cb+0x53/0xd3\n kasan_check_range+0x140/0x190\n io_tctx_exit_cb+0x53/0xd3\n task_work_run+0x164/0x250\n ? task_work_cancel+0x30/0x30\n get_signal+0x1c3/0x2440\n ? lock_downgrade+0x6e0/0x6e0\n ? lock_downgrade+0x6e0/0x6e0\n ? exit_signals+0x8b0/0x8b0\n ? do_raw_read_unlock+0x3b/0x70\n ? do_raw_spin_unlock+0x50/0x230\n arch_do_signal_or_restart+0x82/0x2470\n ? kmem_cache_free+0x260/0x4b0\n ? putname+0xfe/0x140\n ? get_sigframe_size+0x10/0x10\n ? do_execveat_common.isra.0+0x226/0x710\n ? lockdep_hardirqs_on+0x79/0x100\n ? putname+0xfe/0x140\n ? do_execveat_common.isra.0+0x238/0x710\n exit_to_user_mode_prepare+0x15f/0x250\n syscall_exit_to_user_mode+0x19/0x50\n do_syscall_64+0x42/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n RIP: 0023:0x0\n Code: Unable to access opcode bytes at 0xffffffffffffffd6.\n RSP: 002b:00000000fffb7790 EFLAGS: 00000200 ORIG_RAX: 000000000000000b\n RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000\n RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\n RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\n R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\n R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\n \u003c/TASK\u003e\n Kernel panic - not syncing: panic_on_warn set ...\n\nThis happens because the adding of task_work from io_ring_exit_work()\nisn\u0027t synchronized with canceling all work items from eg exec. The\nexecution of the two are ordered in that they are both run by the task\nitself, but if io_tctx_exit_cb() is queued while we\u0027re canceling all\nwork items off exec AND gets executed when the task exits to userspace\nrather than in the main loop in io_uring_cancel_generic(), then we can\nfind current-\u003eio_uring == NULL and hit the above crash.\n\nIt\u0027s safe to add this NULL check here, because the execution of the two\npaths are done by the task itself.\n\n[axboe: add code comment and also put an explanation in the commit msg]"
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CVE-2024-47688 (GCVE-0-2024-47688)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
driver core: Fix a potential null-ptr-deref in module_add_driver()
Inject fault while probing of-fpga-region, if kasprintf() fails in
module_add_driver(), the second sysfs_remove_link() in exit path will cause
null-ptr-deref as below because kernfs_name_hash() will call strlen() with
NULL driver_name.
Fix it by releasing resources based on the exit path sequence.
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
Mem abort info:
ESR = 0x0000000096000005
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x05: level 1 translation fault
Data abort info:
ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfffffc000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Dumping ftrace buffer:
(ftrace buffer empty)
Modules linked in: of_fpga_region(+) fpga_region fpga_bridge cfg80211 rfkill 8021q garp mrp stp llc ipv6 [last unloaded: of_fpga_region]
CPU: 2 UID: 0 PID: 2036 Comm: modprobe Not tainted 6.11.0-rc2-g6a0e38264012 #295
Hardware name: linux,dummy-virt (DT)
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : strlen+0x24/0xb0
lr : kernfs_name_hash+0x1c/0xc4
sp : ffffffc081f97380
x29: ffffffc081f97380 x28: ffffffc081f97b90 x27: ffffff80c821c2a0
x26: ffffffedac0be418 x25: 0000000000000000 x24: ffffff80c09d2000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: 0000000000000000 x18: 0000000000001840
x17: 0000000000000000 x16: 0000000000000000 x15: 1ffffff8103f2e42
x14: 00000000f1f1f1f1 x13: 0000000000000004 x12: ffffffb01812d61d
x11: 1ffffff01812d61c x10: ffffffb01812d61c x9 : dfffffc000000000
x8 : 0000004fe7ed29e4 x7 : ffffff80c096b0e7 x6 : 0000000000000001
x5 : ffffff80c096b0e0 x4 : 1ffffffdb990efa2 x3 : 0000000000000000
x2 : 0000000000000000 x1 : dfffffc000000000 x0 : 0000000000000000
Call trace:
strlen+0x24/0xb0
kernfs_name_hash+0x1c/0xc4
kernfs_find_ns+0x118/0x2e8
kernfs_remove_by_name_ns+0x80/0x100
sysfs_remove_link+0x74/0xa8
module_add_driver+0x278/0x394
bus_add_driver+0x1f0/0x43c
driver_register+0xf4/0x3c0
__platform_driver_register+0x60/0x88
of_fpga_region_init+0x20/0x1000 [of_fpga_region]
do_one_initcall+0x110/0x788
do_init_module+0x1dc/0x5c8
load_module+0x3c38/0x4cac
init_module_from_file+0xd4/0x128
idempotent_init_module+0x2cc/0x528
__arm64_sys_finit_module+0xac/0x100
invoke_syscall+0x6c/0x258
el0_svc_common.constprop.0+0x160/0x22c
do_el0_svc+0x44/0x5c
el0_svc+0x48/0xb8
el0t_64_sync_handler+0x13c/0x158
el0t_64_sync+0x190/0x194
Code: f2fbffe1 a90157f4 12000802 aa0003f5 (38e16861)
---[ end trace 0000000000000000 ]---
Kernel panic - not syncing: Oops: Fatal exception
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 28f5a08600d0ea6831629d450193c4045094e729 Version: 85d2b0aa170351380be39fe4ff7973df1427fe76 Version: 85d2b0aa170351380be39fe4ff7973df1427fe76 Version: 85d2b0aa170351380be39fe4ff7973df1427fe76 Version: 51dacb1b0467b616463a334cbcd048f5710ba2aa Version: 6.6.33 ≤ Version: 6.9.4 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndriver core: Fix a potential null-ptr-deref in module_add_driver()\n\nInject fault while probing of-fpga-region, if kasprintf() fails in\nmodule_add_driver(), the second sysfs_remove_link() in exit path will cause\nnull-ptr-deref as below because kernfs_name_hash() will call strlen() with\nNULL driver_name.\n\nFix it by releasing resources based on the exit path sequence.\n\n\t KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\n\t Mem abort info:\n\t ESR = 0x0000000096000005\n\t EC = 0x25: DABT (current EL), IL = 32 bits\n\t SET = 0, FnV = 0\n\t EA = 0, S1PTW = 0\n\t FSC = 0x05: level 1 translation fault\n\t Data abort info:\n\t ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000\n\t CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n\t GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n\t [dfffffc000000000] address between user and kernel address ranges\n\t Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP\n\t Dumping ftrace buffer:\n\t (ftrace buffer empty)\n\t Modules linked in: of_fpga_region(+) fpga_region fpga_bridge cfg80211 rfkill 8021q garp mrp stp llc ipv6 [last unloaded: of_fpga_region]\n\t CPU: 2 UID: 0 PID: 2036 Comm: modprobe Not tainted 6.11.0-rc2-g6a0e38264012 #295\n\t Hardware name: linux,dummy-virt (DT)\n\t pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n\t pc : strlen+0x24/0xb0\n\t lr : kernfs_name_hash+0x1c/0xc4\n\t sp : ffffffc081f97380\n\t x29: ffffffc081f97380 x28: ffffffc081f97b90 x27: ffffff80c821c2a0\n\t x26: ffffffedac0be418 x25: 0000000000000000 x24: ffffff80c09d2000\n\t x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000\n\t x20: 0000000000000000 x19: 0000000000000000 x18: 0000000000001840\n\t x17: 0000000000000000 x16: 0000000000000000 x15: 1ffffff8103f2e42\n\t x14: 00000000f1f1f1f1 x13: 0000000000000004 x12: ffffffb01812d61d\n\t x11: 1ffffff01812d61c x10: ffffffb01812d61c x9 : dfffffc000000000\n\t x8 : 0000004fe7ed29e4 x7 : ffffff80c096b0e7 x6 : 0000000000000001\n\t x5 : ffffff80c096b0e0 x4 : 1ffffffdb990efa2 x3 : 0000000000000000\n\t x2 : 0000000000000000 x1 : dfffffc000000000 x0 : 0000000000000000\n\t Call trace:\n\t strlen+0x24/0xb0\n\t kernfs_name_hash+0x1c/0xc4\n\t kernfs_find_ns+0x118/0x2e8\n\t kernfs_remove_by_name_ns+0x80/0x100\n\t sysfs_remove_link+0x74/0xa8\n\t module_add_driver+0x278/0x394\n\t bus_add_driver+0x1f0/0x43c\n\t driver_register+0xf4/0x3c0\n\t __platform_driver_register+0x60/0x88\n\t of_fpga_region_init+0x20/0x1000 [of_fpga_region]\n\t do_one_initcall+0x110/0x788\n\t do_init_module+0x1dc/0x5c8\n\t load_module+0x3c38/0x4cac\n\t init_module_from_file+0xd4/0x128\n\t idempotent_init_module+0x2cc/0x528\n\t __arm64_sys_finit_module+0xac/0x100\n\t invoke_syscall+0x6c/0x258\n\t el0_svc_common.constprop.0+0x160/0x22c\n\t do_el0_svc+0x44/0x5c\n\t el0_svc+0x48/0xb8\n\t el0t_64_sync_handler+0x13c/0x158\n\t el0t_64_sync+0x190/0x194\n\t Code: f2fbffe1 a90157f4 12000802 aa0003f5 (38e16861)\n\t ---[ end trace 0000000000000000 ]---\n\t Kernel panic - not syncing: Oops: Fatal exception"
}
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"datePublished": "2024-10-21T11:53:28.526Z",
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CVE-2024-47674 (GCVE-0-2024-47674)
Vulnerability from cvelistv5
Published
2024-10-15 10:48
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: avoid leaving partial pfn mappings around in error case
As Jann points out, PFN mappings are special, because unlike normal
memory mappings, there is no lifetime information associated with the
mapping - it is just a raw mapping of PFNs with no reference counting of
a 'struct page'.
That's all very much intentional, but it does mean that it's easy to
mess up the cleanup in case of errors. Yes, a failed mmap() will always
eventually clean up any partial mappings, but without any explicit
lifetime in the page table mapping itself, it's very easy to do the
error handling in the wrong order.
In particular, it's easy to mistakenly free the physical backing store
before the page tables are actually cleaned up and (temporarily) have
stale dangling PTE entries.
To make this situation less error-prone, just make sure that any partial
pfn mapping is torn down early, before any other error handling.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b97a50adb37e98b940a30c4656565ff609aa8f94 Version: 69d4e1ce9087c8767f2fe9b9426fa2755c8e9072 Version: 74ffa5a3e68504dd289135b1cf0422c19ffb3f2e Version: 74ffa5a3e68504dd289135b1cf0422c19ffb3f2e Version: 74ffa5a3e68504dd289135b1cf0422c19ffb3f2e Version: 74ffa5a3e68504dd289135b1cf0422c19ffb3f2e Version: 74ffa5a3e68504dd289135b1cf0422c19ffb3f2e |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: avoid leaving partial pfn mappings around in error case\n\nAs Jann points out, PFN mappings are special, because unlike normal\nmemory mappings, there is no lifetime information associated with the\nmapping - it is just a raw mapping of PFNs with no reference counting of\na \u0027struct page\u0027.\n\nThat\u0027s all very much intentional, but it does mean that it\u0027s easy to\nmess up the cleanup in case of errors. Yes, a failed mmap() will always\neventually clean up any partial mappings, but without any explicit\nlifetime in the page table mapping itself, it\u0027s very easy to do the\nerror handling in the wrong order.\n\nIn particular, it\u0027s easy to mistakenly free the physical backing store\nbefore the page tables are actually cleaned up and (temporarily) have\nstale dangling PTE entries.\n\nTo make this situation less error-prone, just make sure that any partial\npfn mapping is torn down early, before any other error handling."
}
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"version": "3.1"
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CVE-2024-26852 (GCVE-0-2024-26852)
Vulnerability from cvelistv5
Published
2024-04-17 10:17
Modified
2026-08-05 11:27
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/ipv6: avoid possible UAF in ip6_route_mpath_notify()
syzbot found another use-after-free in ip6_route_mpath_notify() [1]
Commit f7225172f25a ("net/ipv6: prevent use after free in
ip6_route_mpath_notify") was not able to fix the root cause.
We need to defer the fib6_info_release() calls after
ip6_route_mpath_notify(), in the cleanup phase.
[1]
BUG: KASAN: slab-use-after-free in rt6_fill_node+0x1460/0x1ac0
Read of size 4 at addr ffff88809a07fc64 by task syz-executor.2/23037
CPU: 0 PID: 23037 Comm: syz-executor.2 Not tainted 6.8.0-rc4-syzkaller-01035-gea7f3cfaa588 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x167/0x540 mm/kasan/report.c:488
kasan_report+0x142/0x180 mm/kasan/report.c:601
rt6_fill_node+0x1460/0x1ac0
inet6_rt_notify+0x13b/0x290 net/ipv6/route.c:6184
ip6_route_mpath_notify net/ipv6/route.c:5198 [inline]
ip6_route_multipath_add net/ipv6/route.c:5404 [inline]
inet6_rtm_newroute+0x1d0f/0x2300 net/ipv6/route.c:5517
rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6597
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
___sys_sendmsg net/socket.c:2638 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f73dd87dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f73de6550c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f73dd9ac050 RCX: 00007f73dd87dda9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000005
RBP: 00007f73dd8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f73dd9ac050 R15: 00007ffdbdeb7858
</TASK>
Allocated by task 23037:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:372 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:389
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:3981 [inline]
__kmalloc+0x22e/0x490 mm/slub.c:3994
kmalloc include/linux/slab.h:594 [inline]
kzalloc include/linux/slab.h:711 [inline]
fib6_info_alloc+0x2e/0xf0 net/ipv6/ip6_fib.c:155
ip6_route_info_create+0x445/0x12b0 net/ipv6/route.c:3758
ip6_route_multipath_add net/ipv6/route.c:5298 [inline]
inet6_rtm_newroute+0x744/0x2300 net/ipv6/route.c:5517
rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6597
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
___sys_sendmsg net/socket.c:2638 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
Freed by task 16:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x4e/0x60 mm/kasan/generic.c:640
poison_slab_object+0xa6/0xe0 m
---truncated---
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a |
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CVE-2024-47695 (GCVE-0-2024-47695)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/rtrs-clt: Reset cid to con_num - 1 to stay in bounds
In the function init_conns(), after the create_con() and create_cm() for
loop if something fails. In the cleanup for loop after the destroy tag, we
access out of bound memory because cid is set to clt_path->s.con_num.
This commits resets the cid to clt_path->s.con_num - 1, to stay in bounds
in the cleanup loop later.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 6a98d71daea186247005099758af549e6afdd244 Version: 6a98d71daea186247005099758af549e6afdd244 Version: 6a98d71daea186247005099758af549e6afdd244 Version: 6a98d71daea186247005099758af549e6afdd244 Version: 6a98d71daea186247005099758af549e6afdd244 Version: 6a98d71daea186247005099758af549e6afdd244 |
||
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CVE-2024-47696 (GCVE-0-2024-47696)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency
In the commit aee2424246f9 ("RDMA/iwcm: Fix a use-after-free related to
destroying CM IDs"), the function flush_workqueue is invoked to flush the
work queue iwcm_wq.
But at that time, the work queue iwcm_wq was created via the function
alloc_ordered_workqueue without the flag WQ_MEM_RECLAIM.
Because the current process is trying to flush the whole iwcm_wq, if
iwcm_wq doesn't have the flag WQ_MEM_RECLAIM, verify that the current
process is not reclaiming memory or running on a workqueue which doesn't
have the flag WQ_MEM_RECLAIM as that can break forward-progress guarantee
leading to a deadlock.
The call trace is as below:
[ 125.350876][ T1430] Call Trace:
[ 125.356281][ T1430] <TASK>
[ 125.361285][ T1430] ? __warn (kernel/panic.c:693)
[ 125.367640][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9))
[ 125.375689][ T1430] ? report_bug (lib/bug.c:180 lib/bug.c:219)
[ 125.382505][ T1430] ? handle_bug (arch/x86/kernel/traps.c:239)
[ 125.388987][ T1430] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))
[ 125.395831][ T1430] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
[ 125.403125][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9))
[ 125.410984][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9))
[ 125.418764][ T1430] __flush_workqueue (kernel/workqueue.c:3970)
[ 125.426021][ T1430] ? __pfx___might_resched (kernel/sched/core.c:10151)
[ 125.433431][ T1430] ? destroy_cm_id (drivers/infiniband/core/iwcm.c:375) iw_cm
[ 125.441209][ T1430] ? __pfx___flush_workqueue (kernel/workqueue.c:3910)
[ 125.473900][ T1430] ? _raw_spin_lock_irqsave (arch/x86/include/asm/atomic.h:107 include/linux/atomic/atomic-arch-fallback.h:2170 include/linux/atomic/atomic-instrumented.h:1302 include/asm-generic/qspinlock.h:111 include/linux/spinlock.h:187 include/linux/spinlock_api_smp.h:111 kernel/locking/spinlock.c:162)
[ 125.473909][ T1430] ? __pfx__raw_spin_lock_irqsave (kernel/locking/spinlock.c:161)
[ 125.482537][ T1430] _destroy_id (drivers/infiniband/core/cma.c:2044) rdma_cm
[ 125.495072][ T1430] nvme_rdma_free_queue (drivers/nvme/host/rdma.c:656 drivers/nvme/host/rdma.c:650) nvme_rdma
[ 125.505827][ T1430] nvme_rdma_reset_ctrl_work (drivers/nvme/host/rdma.c:2180) nvme_rdma
[ 125.505831][ T1430] process_one_work (kernel/workqueue.c:3231)
[ 125.515122][ T1430] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393)
[ 125.515127][ T1430] ? __pfx_worker_thread (kernel/workqueue.c:3339)
[ 125.531837][ T1430] kthread (kernel/kthread.c:389)
[ 125.539864][ T1430] ? __pfx_kthread (kernel/kthread.c:342)
[ 125.550628][ T1430] ret_from_fork (arch/x86/kernel/process.c:147)
[ 125.558840][ T1430] ? __pfx_kthread (kernel/kthread.c:342)
[ 125.558844][ T1430] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
[ 125.566487][ T1430] </TASK>
[ 125.566488][ T1430] ---[ end trace 0000000000000000 ]---
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: d91d253c87fd1efece521ff2612078a35af673c6 Version: 7f25f296fc9bd0435be14e89bf657cd615a23574 Version: 94ee7ff99b87435ec63211f632918dc7f44dac79 Version: 557d035fe88d78dd51664f4dc0e1896c04c97cf6 Version: dc8074b8901caabb97c2d353abd6b4e7fa5a59a5 Version: ff5bbbdee08287d75d72e65b72a2b76d9637892a Version: ee39384ee787e86e9db4efb843818ef0ea9cb8ae Version: aee2424246f9f1dadc33faa78990c1e2eb7826e4 Version: aee2424246f9f1dadc33faa78990c1e2eb7826e4 Version: 4.19.320 ≤ Version: 5.4.282 ≤ Version: 5.10.224 ≤ Version: 5.15.165 ≤ Version: 6.1.103 ≤ Version: 6.6.44 ≤ Version: 6.10.3 ≤ |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency\n\nIn the commit aee2424246f9 (\"RDMA/iwcm: Fix a use-after-free related to\ndestroying CM IDs\"), the function flush_workqueue is invoked to flush the\nwork queue iwcm_wq.\n\nBut at that time, the work queue iwcm_wq was created via the function\nalloc_ordered_workqueue without the flag WQ_MEM_RECLAIM.\n\nBecause the current process is trying to flush the whole iwcm_wq, if\niwcm_wq doesn\u0027t have the flag WQ_MEM_RECLAIM, verify that the current\nprocess is not reclaiming memory or running on a workqueue which doesn\u0027t\nhave the flag WQ_MEM_RECLAIM as that can break forward-progress guarantee\nleading to a deadlock.\n\nThe call trace is as below:\n\n[ 125.350876][ T1430] Call Trace:\n[ 125.356281][ T1430] \u003cTASK\u003e\n[ 125.361285][ T1430] ? __warn (kernel/panic.c:693)\n[ 125.367640][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9))\n[ 125.375689][ T1430] ? report_bug (lib/bug.c:180 lib/bug.c:219)\n[ 125.382505][ T1430] ? handle_bug (arch/x86/kernel/traps.c:239)\n[ 125.388987][ T1430] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))\n[ 125.395831][ T1430] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)\n[ 125.403125][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9))\n[ 125.410984][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9))\n[ 125.418764][ T1430] __flush_workqueue (kernel/workqueue.c:3970)\n[ 125.426021][ T1430] ? __pfx___might_resched (kernel/sched/core.c:10151)\n[ 125.433431][ T1430] ? destroy_cm_id (drivers/infiniband/core/iwcm.c:375) iw_cm\n[ 125.441209][ T1430] ? __pfx___flush_workqueue (kernel/workqueue.c:3910)\n[ 125.473900][ T1430] ? _raw_spin_lock_irqsave (arch/x86/include/asm/atomic.h:107 include/linux/atomic/atomic-arch-fallback.h:2170 include/linux/atomic/atomic-instrumented.h:1302 include/asm-generic/qspinlock.h:111 include/linux/spinlock.h:187 include/linux/spinlock_api_smp.h:111 kernel/locking/spinlock.c:162)\n[ 125.473909][ T1430] ? __pfx__raw_spin_lock_irqsave (kernel/locking/spinlock.c:161)\n[ 125.482537][ T1430] _destroy_id (drivers/infiniband/core/cma.c:2044) rdma_cm\n[ 125.495072][ T1430] nvme_rdma_free_queue (drivers/nvme/host/rdma.c:656 drivers/nvme/host/rdma.c:650) nvme_rdma\n[ 125.505827][ T1430] nvme_rdma_reset_ctrl_work (drivers/nvme/host/rdma.c:2180) nvme_rdma\n[ 125.505831][ T1430] process_one_work (kernel/workqueue.c:3231)\n[ 125.515122][ T1430] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393)\n[ 125.515127][ T1430] ? __pfx_worker_thread (kernel/workqueue.c:3339)\n[ 125.531837][ T1430] kthread (kernel/kthread.c:389)\n[ 125.539864][ T1430] ? __pfx_kthread (kernel/kthread.c:342)\n[ 125.550628][ T1430] ret_from_fork (arch/x86/kernel/process.c:147)\n[ 125.558840][ T1430] ? __pfx_kthread (kernel/kthread.c:342)\n[ 125.558844][ T1430] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)\n[ 125.566487][ T1430] \u003c/TASK\u003e\n[ 125.566488][ T1430] ---[ end trace 0000000000000000 ]---"
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"value": "AV:N - The most severe reasonable path is the in-kernel NVMe-oF target over iWARP: a remote initiator\u0027s CM connect-failure or disconnect queues `nvmet_rdma_release_queue_work` on `nvmet_wq` (WQ_MEM_RECLAIM), which reaches `rdma_destroy_id` \u2192 `iw_destroy_cm_id` \u2192 `flush_workqueue(iwcm_wq)`; the nvme-rdma host path is likewise driven by remote transport events from the peer.\nAC:L - The attacker drives both sides \u2014 repeated connect/abrupt-disconnect cycles reliably leave an in-flight iwcm event holding a cm_id reference, which is exactly the condition under which `iw_destroy_cm_id()` performs the flush, and attempts can be retried without limit.\nPR:N - The nvmet-rdma queue setup/teardown path runs entirely at the RDMA CM layer, before NVMe host-NQN access control or in-band authentication, so an unauthenticated remote peer that can reach the target port triggers it.\nUI:N - Triggered wholly by attacker-initiated RDMA CM connection and disconnection events; no action by any local user or administrator is required.\nS:U - The warning and the potential workqueue deadlock are confined to the kernel that owns the affected workqueues; no security authority boundary such as a VM or IOMMU domain is crossed.\nC:N - The flush itself is functionally correct \u2014 only the WQ_MEM_RECLAIM annotation was missing \u2014 so there is no memory corruption, out-of-bounds read, or attacker-observable data disclosure.\nI:N - No kernel or user data is modified; the defect is a workqueue forward-progress annotation, giving the attacker no write primitive of any kind.\nA:H - `check_flush_dependency()` raises a WARN that panics outright on the widely deployed `panic_on_warn=1` configuration, and the underlying condition it flags is a genuine deadlock \u2014 a memory-reclaim worker blocking forever on a rescuer-less workqueue, stalling `nvmet-wq`/`nvme-reset-wq`/`rdma_cm` under memory pressure."
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CVE-2024-47749 (GCVE-0-2024-47749)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/cxgb4: Added NULL check for lookup_atid
The lookup_atid() function can return NULL if the ATID is
invalid or does not exist in the identifier table, which
could lead to dereferencing a null pointer without a
check in the `act_establish()` and `act_open_rpl()` functions.
Add a NULL check to prevent null pointer dereferencing.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: cfdda9d764362ab77b11a410bb928400e6520d57 Version: cfdda9d764362ab77b11a410bb928400e6520d57 Version: cfdda9d764362ab77b11a410bb928400e6520d57 Version: cfdda9d764362ab77b11a410bb928400e6520d57 Version: cfdda9d764362ab77b11a410bb928400e6520d57 Version: cfdda9d764362ab77b11a410bb928400e6520d57 Version: cfdda9d764362ab77b11a410bb928400e6520d57 Version: cfdda9d764362ab77b11a410bb928400e6520d57 Version: cfdda9d764362ab77b11a410bb928400e6520d57 |
||
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CVE-2024-50301 (GCVE-0-2024-50301)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
security/keys: fix slab-out-of-bounds in key_task_permission
KASAN reports an out of bounds read:
BUG: KASAN: slab-out-of-bounds in __kuid_val include/linux/uidgid.h:36
BUG: KASAN: slab-out-of-bounds in uid_eq include/linux/uidgid.h:63 [inline]
BUG: KASAN: slab-out-of-bounds in key_task_permission+0x394/0x410
security/keys/permission.c:54
Read of size 4 at addr ffff88813c3ab618 by task stress-ng/4362
CPU: 2 PID: 4362 Comm: stress-ng Not tainted 5.10.0-14930-gafbffd6c3ede #15
Call Trace:
__dump_stack lib/dump_stack.c:82 [inline]
dump_stack+0x107/0x167 lib/dump_stack.c:123
print_address_description.constprop.0+0x19/0x170 mm/kasan/report.c:400
__kasan_report.cold+0x6c/0x84 mm/kasan/report.c:560
kasan_report+0x3a/0x50 mm/kasan/report.c:585
__kuid_val include/linux/uidgid.h:36 [inline]
uid_eq include/linux/uidgid.h:63 [inline]
key_task_permission+0x394/0x410 security/keys/permission.c:54
search_nested_keyrings+0x90e/0xe90 security/keys/keyring.c:793
This issue was also reported by syzbot.
It can be reproduced by following these steps(more details [1]):
1. Obtain more than 32 inputs that have similar hashes, which ends with the
pattern '0xxxxxxxe6'.
2. Reboot and add the keys obtained in step 1.
The reproducer demonstrates how this issue happened:
1. In the search_nested_keyrings function, when it iterates through the
slots in a node(below tag ascend_to_node), if the slot pointer is meta
and node->back_pointer != NULL(it means a root), it will proceed to
descend_to_node. However, there is an exception. If node is the root,
and one of the slots points to a shortcut, it will be treated as a
keyring.
2. Whether the ptr is keyring decided by keyring_ptr_is_keyring function.
However, KEYRING_PTR_SUBTYPE is 0x2UL, the same as
ASSOC_ARRAY_PTR_SUBTYPE_MASK.
3. When 32 keys with the similar hashes are added to the tree, the ROOT
has keys with hashes that are not similar (e.g. slot 0) and it splits
NODE A without using a shortcut. When NODE A is filled with keys that
all hashes are xxe6, the keys are similar, NODE A will split with a
shortcut. Finally, it forms the tree as shown below, where slot 6 points
to a shortcut.
NODE A
+------>+---+
ROOT | | 0 | xxe6
+---+ | +---+
xxxx | 0 | shortcut : : xxe6
+---+ | +---+
xxe6 : : | | | xxe6
+---+ | +---+
| 6 |---+ : : xxe6
+---+ +---+
xxe6 : : | f | xxe6
+---+ +---+
xxe6 | f |
+---+
4. As mentioned above, If a slot(slot 6) of the root points to a shortcut,
it may be mistakenly transferred to a key*, leading to a read
out-of-bounds read.
To fix this issue, one should jump to descend_to_node if the ptr is a
shortcut, regardless of whether the node is root or not.
[1] https://lore.kernel.org/linux-kernel/1cfa878e-8c7b-4570-8606-21daf5e13ce7@huaweicloud.com/
[jarkko: tweaked the commit message a bit to have an appropriate closes
tag.]
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 Version: b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 Version: b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 Version: b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 Version: b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 Version: b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 Version: b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 Version: b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsecurity/keys: fix slab-out-of-bounds in key_task_permission\n\nKASAN reports an out of bounds read:\nBUG: KASAN: slab-out-of-bounds in __kuid_val include/linux/uidgid.h:36\nBUG: KASAN: slab-out-of-bounds in uid_eq include/linux/uidgid.h:63 [inline]\nBUG: KASAN: slab-out-of-bounds in key_task_permission+0x394/0x410\nsecurity/keys/permission.c:54\nRead of size 4 at addr ffff88813c3ab618 by task stress-ng/4362\n\nCPU: 2 PID: 4362 Comm: stress-ng Not tainted 5.10.0-14930-gafbffd6c3ede #15\nCall Trace:\n __dump_stack lib/dump_stack.c:82 [inline]\n dump_stack+0x107/0x167 lib/dump_stack.c:123\n print_address_description.constprop.0+0x19/0x170 mm/kasan/report.c:400\n __kasan_report.cold+0x6c/0x84 mm/kasan/report.c:560\n kasan_report+0x3a/0x50 mm/kasan/report.c:585\n __kuid_val include/linux/uidgid.h:36 [inline]\n uid_eq include/linux/uidgid.h:63 [inline]\n key_task_permission+0x394/0x410 security/keys/permission.c:54\n search_nested_keyrings+0x90e/0xe90 security/keys/keyring.c:793\n\nThis issue was also reported by syzbot.\n\nIt can be reproduced by following these steps(more details [1]):\n1. Obtain more than 32 inputs that have similar hashes, which ends with the\n pattern \u00270xxxxxxxe6\u0027.\n2. Reboot and add the keys obtained in step 1.\n\nThe reproducer demonstrates how this issue happened:\n1. In the search_nested_keyrings function, when it iterates through the\n slots in a node(below tag ascend_to_node), if the slot pointer is meta\n and node-\u003eback_pointer != NULL(it means a root), it will proceed to\n descend_to_node. However, there is an exception. If node is the root,\n and one of the slots points to a shortcut, it will be treated as a\n keyring.\n2. Whether the ptr is keyring decided by keyring_ptr_is_keyring function.\n However, KEYRING_PTR_SUBTYPE is 0x2UL, the same as\n ASSOC_ARRAY_PTR_SUBTYPE_MASK.\n3. When 32 keys with the similar hashes are added to the tree, the ROOT\n has keys with hashes that are not similar (e.g. slot 0) and it splits\n NODE A without using a shortcut. When NODE A is filled with keys that\n all hashes are xxe6, the keys are similar, NODE A will split with a\n shortcut. Finally, it forms the tree as shown below, where slot 6 points\n to a shortcut.\n\n NODE A\n +------\u003e+---+\n ROOT | | 0 | xxe6\n +---+ | +---+\n xxxx | 0 | shortcut : : xxe6\n +---+ | +---+\n xxe6 : : | | | xxe6\n +---+ | +---+\n | 6 |---+ : : xxe6\n +---+ +---+\n xxe6 : : | f | xxe6\n +---+ +---+\n xxe6 | f |\n +---+\n\n4. As mentioned above, If a slot(slot 6) of the root points to a shortcut,\n it may be mistakenly transferred to a key*, leading to a read\n out-of-bounds read.\n\nTo fix this issue, one should jump to descend_to_node if the ptr is a\nshortcut, regardless of whether the node is root or not.\n\n[1] https://lore.kernel.org/linux-kernel/1cfa878e-8c7b-4570-8606-21daf5e13ce7@huaweicloud.com/\n\n[jarkko: tweaked the commit message a bit to have an appropriate closes\n tag.]"
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CVE-2024-36920 (GCVE-0-2024-36920)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2026-05-11 20:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: mpi3mr: Avoid memcpy field-spanning write WARNING
When the "storcli2 show" command is executed for eHBA-9600, mpi3mr driver
prints this WARNING message:
memcpy: detected field-spanning write (size 128) of single field "bsg_reply_buf->reply_buf" at drivers/scsi/mpi3mr/mpi3mr_app.c:1658 (size 1)
WARNING: CPU: 0 PID: 12760 at drivers/scsi/mpi3mr/mpi3mr_app.c:1658 mpi3mr_bsg_request+0x6b12/0x7f10 [mpi3mr]
The cause of the WARN is 128 bytes memcpy to the 1 byte size array "__u8
replay_buf[1]" in the struct mpi3mr_bsg_in_reply_buf. The array is intended
to be a flexible length array, so the WARN is a false positive.
To suppress the WARN, remove the constant number '1' from the array
declaration and clarify that it has flexible length. Also, adjust the
memory allocation size to match the change.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49879 (GCVE-0-2024-49879)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm: omapdrm: Add missing check for alloc_ordered_workqueue
As it may return NULL pointer and cause NULL pointer dereference. Add check
for the return value of alloc_ordered_workqueue.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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||
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CVE-2024-53063 (GCVE-0-2024-53063)
Vulnerability from cvelistv5
Published
2024-11-19 17:22
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: dvbdev: prevent the risk of out of memory access
The dvbdev contains a static variable used to store dvb minors.
The behavior of it depends if CONFIG_DVB_DYNAMIC_MINORS is set
or not. When not set, dvb_register_device() won't check for
boundaries, as it will rely that a previous call to
dvb_register_adapter() would already be enforcing it.
On a similar way, dvb_device_open() uses the assumption
that the register functions already did the needed checks.
This can be fragile if some device ends using different
calls. This also generate warnings on static check analysers
like Coverity.
So, add explicit guards to prevent potential risk of OOM issues.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-50108 (GCVE-0-2024-50108)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Disable PSR-SU on Parade 08-01 TCON too
Stuart Hayhurst has found that both at bootup and fullscreen VA-API video
is leading to black screens for around 1 second and kernel WARNING [1] traces
when calling dmub_psr_enable() with Parade 08-01 TCON.
These symptoms all go away with PSR-SU disabled for this TCON, so disable
it for now while DMUB traces [2] from the failure can be analyzed and the failure
state properly root caused.
(cherry picked from commit afb634a6823d8d9db23c5fb04f79c5549349628b)
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50098 (GCVE-0-2024-50098)
Vulnerability from cvelistv5
Published
2024-11-05 17:07
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: ufs: core: Set SDEV_OFFLINE when UFS is shut down
There is a history of deadlock if reboot is performed at the beginning
of booting. SDEV_QUIESCE was set for all LU's scsi_devices by UFS
shutdown, and at that time the audio driver was waiting on
blk_mq_submit_bio() holding a mutex_lock while reading the fw binary.
After that, a deadlock issue occurred while audio driver shutdown was
waiting for mutex_unlock of blk_mq_submit_bio(). To solve this, set
SDEV_OFFLINE for all LUs except WLUN, so that any I/O that comes down
after a UFS shutdown will return an error.
[ 31.907781]I[0: swapper/0: 0] 1 130705007 1651079834 11289729804 0 D( 2) 3 ffffff882e208000 * init [device_shutdown]
[ 31.907793]I[0: swapper/0: 0] Mutex: 0xffffff8849a2b8b0: owner[0xffffff882e28cb00 kworker/6:0 :49]
[ 31.907806]I[0: swapper/0: 0] Call trace:
[ 31.907810]I[0: swapper/0: 0] __switch_to+0x174/0x338
[ 31.907819]I[0: swapper/0: 0] __schedule+0x5ec/0x9cc
[ 31.907826]I[0: swapper/0: 0] schedule+0x7c/0xe8
[ 31.907834]I[0: swapper/0: 0] schedule_preempt_disabled+0x24/0x40
[ 31.907842]I[0: swapper/0: 0] __mutex_lock+0x408/0xdac
[ 31.907849]I[0: swapper/0: 0] __mutex_lock_slowpath+0x14/0x24
[ 31.907858]I[0: swapper/0: 0] mutex_lock+0x40/0xec
[ 31.907866]I[0: swapper/0: 0] device_shutdown+0x108/0x280
[ 31.907875]I[0: swapper/0: 0] kernel_restart+0x4c/0x11c
[ 31.907883]I[0: swapper/0: 0] __arm64_sys_reboot+0x15c/0x280
[ 31.907890]I[0: swapper/0: 0] invoke_syscall+0x70/0x158
[ 31.907899]I[0: swapper/0: 0] el0_svc_common+0xb4/0xf4
[ 31.907909]I[0: swapper/0: 0] do_el0_svc+0x2c/0xb0
[ 31.907918]I[0: swapper/0: 0] el0_svc+0x34/0xe0
[ 31.907928]I[0: swapper/0: 0] el0t_64_sync_handler+0x68/0xb4
[ 31.907937]I[0: swapper/0: 0] el0t_64_sync+0x1a0/0x1a4
[ 31.908774]I[0: swapper/0: 0] 49 0 11960702 11236868007 0 D( 2) 6 ffffff882e28cb00 * kworker/6:0 [__bio_queue_enter]
[ 31.908783]I[0: swapper/0: 0] Call trace:
[ 31.908788]I[0: swapper/0: 0] __switch_to+0x174/0x338
[ 31.908796]I[0: swapper/0: 0] __schedule+0x5ec/0x9cc
[ 31.908803]I[0: swapper/0: 0] schedule+0x7c/0xe8
[ 31.908811]I[0: swapper/0: 0] __bio_queue_enter+0xb8/0x178
[ 31.908818]I[0: swapper/0: 0] blk_mq_submit_bio+0x194/0x67c
[ 31.908827]I[0: swapper/0: 0] __submit_bio+0xb8/0x19c
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50148 (GCVE-0-2024-50148)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-12 12:00
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: bnep: fix wild-memory-access in proto_unregister
There's issue as follows:
KASAN: maybe wild-memory-access in range [0xdead...108-0xdead...10f]
CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G W
RIP: 0010:proto_unregister+0xee/0x400
Call Trace:
<TASK>
__do_sys_delete_module+0x318/0x580
do_syscall_64+0xc1/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
As bnep_init() ignore bnep_sock_init()'s return value, and bnep_sock_init()
will cleanup all resource. Then when remove bnep module will call
bnep_sock_cleanup() to cleanup sock's resource.
To solve above issue just return bnep_sock_init()'s return value in
bnep_exit().
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2024-53076 (GCVE-0-2024-53076)
Vulnerability from cvelistv5
Published
2024-11-19 17:31
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iio: gts-helper: Fix memory leaks for the error path of iio_gts_build_avail_scale_table()
If per_time_scales[i] or per_time_gains[i] kcalloc fails in the for loop
of iio_gts_build_avail_scale_table(), the err_free_out will fail to call
kfree() each time when i is reduced to 0, so all the per_time_scales[0]
and per_time_gains[0] will not be freed, which will cause memory leaks.
Fix it by checking if i >= 0.
References
Impacted products
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CVE-2024-49852 (GCVE-0-2024-49852)
Vulnerability from cvelistv5
Published
2024-10-21 12:18
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: elx: libefc: Fix potential use after free in efc_nport_vport_del()
The kref_put() function will call nport->release if the refcount drops to
zero. The nport->release release function is _efc_nport_free() which frees
"nport". But then we dereference "nport" on the next line which is a use
after free. Re-order these lines to avoid the use after free.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fcd427303eb90aa3cb08e7e0b68e0e67a6d47346 Version: fcd427303eb90aa3cb08e7e0b68e0e67a6d47346 Version: fcd427303eb90aa3cb08e7e0b68e0e67a6d47346 Version: fcd427303eb90aa3cb08e7e0b68e0e67a6d47346 Version: fcd427303eb90aa3cb08e7e0b68e0e67a6d47346 Version: fcd427303eb90aa3cb08e7e0b68e0e67a6d47346 |
||
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CVE-2024-49975 (GCVE-0-2024-49975)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
uprobes: fix kernel info leak via "[uprobes]" vma
xol_add_vma() maps the uninitialized page allocated by __create_xol_area()
into userspace. On some architectures (x86) this memory is readable even
without VM_READ, VM_EXEC results in the same pgprot_t as VM_EXEC|VM_READ,
although this doesn't really matter, debugger can read this memory anyway.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: d4b3b6384f98f8692ad0209891ccdbc7e78bbefe Version: d4b3b6384f98f8692ad0209891ccdbc7e78bbefe Version: d4b3b6384f98f8692ad0209891ccdbc7e78bbefe Version: d4b3b6384f98f8692ad0209891ccdbc7e78bbefe Version: d4b3b6384f98f8692ad0209891ccdbc7e78bbefe Version: d4b3b6384f98f8692ad0209891ccdbc7e78bbefe Version: d4b3b6384f98f8692ad0209891ccdbc7e78bbefe Version: d4b3b6384f98f8692ad0209891ccdbc7e78bbefe Version: d4b3b6384f98f8692ad0209891ccdbc7e78bbefe |
||
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CVE-2024-49868 (GCVE-0-2024-49868)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix a NULL pointer dereference when failed to start a new trasacntion
[BUG]
Syzbot reported a NULL pointer dereference with the following crash:
FAULT_INJECTION: forcing a failure.
start_transaction+0x830/0x1670 fs/btrfs/transaction.c:676
prepare_to_relocate+0x31f/0x4c0 fs/btrfs/relocation.c:3642
relocate_block_group+0x169/0xd20 fs/btrfs/relocation.c:3678
...
BTRFS info (device loop0): balance: ended with status: -12
Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cc: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000660-0x0000000000000667]
RIP: 0010:btrfs_update_reloc_root+0x362/0xa80 fs/btrfs/relocation.c:926
Call Trace:
<TASK>
commit_fs_roots+0x2ee/0x720 fs/btrfs/transaction.c:1496
btrfs_commit_transaction+0xfaf/0x3740 fs/btrfs/transaction.c:2430
del_balance_item fs/btrfs/volumes.c:3678 [inline]
reset_balance_state+0x25e/0x3c0 fs/btrfs/volumes.c:3742
btrfs_balance+0xead/0x10c0 fs/btrfs/volumes.c:4574
btrfs_ioctl_balance+0x493/0x7c0 fs/btrfs/ioctl.c:3673
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
[CAUSE]
The allocation failure happens at the start_transaction() inside
prepare_to_relocate(), and during the error handling we call
unset_reloc_control(), which makes fs_info->balance_ctl to be NULL.
Then we continue the error path cleanup in btrfs_balance() by calling
reset_balance_state() which will call del_balance_item() to fully delete
the balance item in the root tree.
However during the small window between set_reloc_contrl() and
unset_reloc_control(), we can have a subvolume tree update and created a
reloc_root for that subvolume.
Then we go into the final btrfs_commit_transaction() of
del_balance_item(), and into btrfs_update_reloc_root() inside
commit_fs_roots().
That function checks if fs_info->reloc_ctl is in the merge_reloc_tree
stage, but since fs_info->reloc_ctl is NULL, it results a NULL pointer
dereference.
[FIX]
Just add extra check on fs_info->reloc_ctl inside
btrfs_update_reloc_root(), before checking
fs_info->reloc_ctl->merge_reloc_tree.
That DEAD_RELOC_TREE handling is to prevent further modification to the
reloc tree during merge stage, but since there is no reloc_ctl at all,
we do not need to bother that.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 3fd0a5585eb98e074fb9934549c8d85c49756c0d Version: 3fd0a5585eb98e074fb9934549c8d85c49756c0d Version: 3fd0a5585eb98e074fb9934549c8d85c49756c0d Version: 3fd0a5585eb98e074fb9934549c8d85c49756c0d Version: 3fd0a5585eb98e074fb9934549c8d85c49756c0d Version: 3fd0a5585eb98e074fb9934549c8d85c49756c0d Version: 3fd0a5585eb98e074fb9934549c8d85c49756c0d Version: 3fd0a5585eb98e074fb9934549c8d85c49756c0d |
||
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CVE-2024-36886 (GCVE-0-2024-36886)
Vulnerability from cvelistv5
Published
2024-05-30 15:28
Modified
2026-08-05 11:31
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tipc: fix UAF in error path
Sam Page (sam4k) working with Trend Micro Zero Day Initiative reported
a UAF in the tipc_buf_append() error path:
BUG: KASAN: slab-use-after-free in kfree_skb_list_reason+0x47e/0x4c0
linux/net/core/skbuff.c:1183
Read of size 8 at addr ffff88804d2a7c80 by task poc/8034
CPU: 1 PID: 8034 Comm: poc Not tainted 6.8.2 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.16.0-debian-1.16.0-5 04/01/2014
Call Trace:
<IRQ>
__dump_stack linux/lib/dump_stack.c:88
dump_stack_lvl+0xd9/0x1b0 linux/lib/dump_stack.c:106
print_address_description linux/mm/kasan/report.c:377
print_report+0xc4/0x620 linux/mm/kasan/report.c:488
kasan_report+0xda/0x110 linux/mm/kasan/report.c:601
kfree_skb_list_reason+0x47e/0x4c0 linux/net/core/skbuff.c:1183
skb_release_data+0x5af/0x880 linux/net/core/skbuff.c:1026
skb_release_all linux/net/core/skbuff.c:1094
__kfree_skb linux/net/core/skbuff.c:1108
kfree_skb_reason+0x12d/0x210 linux/net/core/skbuff.c:1144
kfree_skb linux/./include/linux/skbuff.h:1244
tipc_buf_append+0x425/0xb50 linux/net/tipc/msg.c:186
tipc_link_input+0x224/0x7c0 linux/net/tipc/link.c:1324
tipc_link_rcv+0x76e/0x2d70 linux/net/tipc/link.c:1824
tipc_rcv+0x45f/0x10f0 linux/net/tipc/node.c:2159
tipc_udp_recv+0x73b/0x8f0 linux/net/tipc/udp_media.c:390
udp_queue_rcv_one_skb+0xad2/0x1850 linux/net/ipv4/udp.c:2108
udp_queue_rcv_skb+0x131/0xb00 linux/net/ipv4/udp.c:2186
udp_unicast_rcv_skb+0x165/0x3b0 linux/net/ipv4/udp.c:2346
__udp4_lib_rcv+0x2594/0x3400 linux/net/ipv4/udp.c:2422
ip_protocol_deliver_rcu+0x30c/0x4e0 linux/net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2e4/0x520 linux/net/ipv4/ip_input.c:233
NF_HOOK linux/./include/linux/netfilter.h:314
NF_HOOK linux/./include/linux/netfilter.h:308
ip_local_deliver+0x18e/0x1f0 linux/net/ipv4/ip_input.c:254
dst_input linux/./include/net/dst.h:461
ip_rcv_finish linux/net/ipv4/ip_input.c:449
NF_HOOK linux/./include/linux/netfilter.h:314
NF_HOOK linux/./include/linux/netfilter.h:308
ip_rcv+0x2c5/0x5d0 linux/net/ipv4/ip_input.c:569
__netif_receive_skb_one_core+0x199/0x1e0 linux/net/core/dev.c:5534
__netif_receive_skb+0x1f/0x1c0 linux/net/core/dev.c:5648
process_backlog+0x101/0x6b0 linux/net/core/dev.c:5976
__napi_poll.constprop.0+0xba/0x550 linux/net/core/dev.c:6576
napi_poll linux/net/core/dev.c:6645
net_rx_action+0x95a/0xe90 linux/net/core/dev.c:6781
__do_softirq+0x21f/0x8e7 linux/kernel/softirq.c:553
do_softirq linux/kernel/softirq.c:454
do_softirq+0xb2/0xf0 linux/kernel/softirq.c:441
</IRQ>
<TASK>
__local_bh_enable_ip+0x100/0x120 linux/kernel/softirq.c:381
local_bh_enable linux/./include/linux/bottom_half.h:33
rcu_read_unlock_bh linux/./include/linux/rcupdate.h:851
__dev_queue_xmit+0x871/0x3ee0 linux/net/core/dev.c:4378
dev_queue_xmit linux/./include/linux/netdevice.h:3169
neigh_hh_output linux/./include/net/neighbour.h:526
neigh_output linux/./include/net/neighbour.h:540
ip_finish_output2+0x169f/0x2550 linux/net/ipv4/ip_output.c:235
__ip_finish_output linux/net/ipv4/ip_output.c:313
__ip_finish_output+0x49e/0x950 linux/net/ipv4/ip_output.c:295
ip_finish_output+0x31/0x310 linux/net/ipv4/ip_output.c:323
NF_HOOK_COND linux/./include/linux/netfilter.h:303
ip_output+0x13b/0x2a0 linux/net/ipv4/ip_output.c:433
dst_output linux/./include/net/dst.h:451
ip_local_out linux/net/ipv4/ip_output.c:129
ip_send_skb+0x3e5/0x560 linux/net/ipv4/ip_output.c:1492
udp_send_skb+0x73f/0x1530 linux/net/ipv4/udp.c:963
udp_sendmsg+0x1a36/0x2b40 linux/net/ipv4/udp.c:1250
inet_sendmsg+0x105/0x140 linux/net/ipv4/af_inet.c:850
sock_sendmsg_nosec linux/net/socket.c:730
__sock_sendmsg linux/net/socket.c:745
__sys_sendto+0x42c/0x4e0 linux/net/socket.c:2191
__do_sys_sendto linux/net/socket.c:2203
__se_sys_sendto linux/net/socket.c:2199
__x64_sys_sendto+0xe0/0x1c0 linux/net/socket.c:2199
do_syscall_x64 linux/arch/x86/entry/common.c:52
do_syscall_
---truncated---
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89 Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89 Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89 Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89 Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89 Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89 Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89 Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89 |
||
{
"containers": {
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"metrics": [
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"attackVector": "NETWORK",
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"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
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{
"other": {
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{
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{
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}
],
"problemTypes": [
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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{
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"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
},
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},
{
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}
],
"title": "CVE Program Container"
}
],
"cna": {
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{
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"product": "Linux",
"programFiles": [
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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{
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
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},
{
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"status": "unaffected",
"version": "0",
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},
{
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},
{
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},
{
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"version": "5.10.217",
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},
{
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},
{
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},
{
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},
{
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},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.9",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
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{
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{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix UAF in error path\n\nSam Page (sam4k) working with Trend Micro Zero Day Initiative reported\na UAF in the tipc_buf_append() error path:\n\nBUG: KASAN: slab-use-after-free in kfree_skb_list_reason+0x47e/0x4c0\nlinux/net/core/skbuff.c:1183\nRead of size 8 at addr ffff88804d2a7c80 by task poc/8034\n\nCPU: 1 PID: 8034 Comm: poc Not tainted 6.8.2 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.16.0-debian-1.16.0-5 04/01/2014\nCall Trace:\n \u003cIRQ\u003e\n __dump_stack linux/lib/dump_stack.c:88\n dump_stack_lvl+0xd9/0x1b0 linux/lib/dump_stack.c:106\n print_address_description linux/mm/kasan/report.c:377\n print_report+0xc4/0x620 linux/mm/kasan/report.c:488\n kasan_report+0xda/0x110 linux/mm/kasan/report.c:601\n kfree_skb_list_reason+0x47e/0x4c0 linux/net/core/skbuff.c:1183\n skb_release_data+0x5af/0x880 linux/net/core/skbuff.c:1026\n skb_release_all linux/net/core/skbuff.c:1094\n __kfree_skb linux/net/core/skbuff.c:1108\n kfree_skb_reason+0x12d/0x210 linux/net/core/skbuff.c:1144\n kfree_skb linux/./include/linux/skbuff.h:1244\n tipc_buf_append+0x425/0xb50 linux/net/tipc/msg.c:186\n tipc_link_input+0x224/0x7c0 linux/net/tipc/link.c:1324\n tipc_link_rcv+0x76e/0x2d70 linux/net/tipc/link.c:1824\n tipc_rcv+0x45f/0x10f0 linux/net/tipc/node.c:2159\n tipc_udp_recv+0x73b/0x8f0 linux/net/tipc/udp_media.c:390\n udp_queue_rcv_one_skb+0xad2/0x1850 linux/net/ipv4/udp.c:2108\n udp_queue_rcv_skb+0x131/0xb00 linux/net/ipv4/udp.c:2186\n udp_unicast_rcv_skb+0x165/0x3b0 linux/net/ipv4/udp.c:2346\n __udp4_lib_rcv+0x2594/0x3400 linux/net/ipv4/udp.c:2422\n ip_protocol_deliver_rcu+0x30c/0x4e0 linux/net/ipv4/ip_input.c:205\n ip_local_deliver_finish+0x2e4/0x520 linux/net/ipv4/ip_input.c:233\n NF_HOOK linux/./include/linux/netfilter.h:314\n NF_HOOK linux/./include/linux/netfilter.h:308\n ip_local_deliver+0x18e/0x1f0 linux/net/ipv4/ip_input.c:254\n dst_input linux/./include/net/dst.h:461\n ip_rcv_finish linux/net/ipv4/ip_input.c:449\n NF_HOOK linux/./include/linux/netfilter.h:314\n NF_HOOK linux/./include/linux/netfilter.h:308\n ip_rcv+0x2c5/0x5d0 linux/net/ipv4/ip_input.c:569\n __netif_receive_skb_one_core+0x199/0x1e0 linux/net/core/dev.c:5534\n __netif_receive_skb+0x1f/0x1c0 linux/net/core/dev.c:5648\n process_backlog+0x101/0x6b0 linux/net/core/dev.c:5976\n __napi_poll.constprop.0+0xba/0x550 linux/net/core/dev.c:6576\n napi_poll linux/net/core/dev.c:6645\n net_rx_action+0x95a/0xe90 linux/net/core/dev.c:6781\n __do_softirq+0x21f/0x8e7 linux/kernel/softirq.c:553\n do_softirq linux/kernel/softirq.c:454\n do_softirq+0xb2/0xf0 linux/kernel/softirq.c:441\n \u003c/IRQ\u003e\n \u003cTASK\u003e\n __local_bh_enable_ip+0x100/0x120 linux/kernel/softirq.c:381\n local_bh_enable linux/./include/linux/bottom_half.h:33\n rcu_read_unlock_bh linux/./include/linux/rcupdate.h:851\n __dev_queue_xmit+0x871/0x3ee0 linux/net/core/dev.c:4378\n dev_queue_xmit linux/./include/linux/netdevice.h:3169\n neigh_hh_output linux/./include/net/neighbour.h:526\n neigh_output linux/./include/net/neighbour.h:540\n ip_finish_output2+0x169f/0x2550 linux/net/ipv4/ip_output.c:235\n __ip_finish_output linux/net/ipv4/ip_output.c:313\n __ip_finish_output+0x49e/0x950 linux/net/ipv4/ip_output.c:295\n ip_finish_output+0x31/0x310 linux/net/ipv4/ip_output.c:323\n NF_HOOK_COND linux/./include/linux/netfilter.h:303\n ip_output+0x13b/0x2a0 linux/net/ipv4/ip_output.c:433\n dst_output linux/./include/net/dst.h:451\n ip_local_out linux/net/ipv4/ip_output.c:129\n ip_send_skb+0x3e5/0x560 linux/net/ipv4/ip_output.c:1492\n udp_send_skb+0x73f/0x1530 linux/net/ipv4/udp.c:963\n udp_sendmsg+0x1a36/0x2b40 linux/net/ipv4/udp.c:1250\n inet_sendmsg+0x105/0x140 linux/net/ipv4/af_inet.c:850\n sock_sendmsg_nosec linux/net/socket.c:730\n __sock_sendmsg linux/net/socket.c:745\n __sys_sendto+0x42c/0x4e0 linux/net/socket.c:2191\n __do_sys_sendto linux/net/socket.c:2203\n __se_sys_sendto linux/net/socket.c:2199\n __x64_sys_sendto+0xe0/0x1c0 linux/net/socket.c:2199\n do_syscall_x64 linux/arch/x86/entry/common.c:52\n do_syscall_\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:N - The vulnerable reassembly code is reached directly from received network packets via the TIPC UDP bearer (`tipc_udp_recv` on routable UDP port 6118 \u2192 `tipc_rcv` \u2192 `tipc_link_rcv` \u2192 `tipc_link_input` \u2192 `tipc_buf_append`), as shown in the reporter\u0027s own KASAN stack trace. The attacker only needs IP reachability to the bearer address, not link-layer adjacency.\nAC:L - The error path is entered whenever `tipc_msg_validate()` rejects the reassembled message, and every field it checks (version, header size, message size, length) lives in the attacker-supplied fragment payload, so a FIRST_FRAGMENT followed by a malformed LAST_FRAGMENT triggers the UAF deterministically. There is no race and no memory-layout condition outside the attacker\u0027s influence \u2014 skb heap grooming is done by the attacker\u0027s own packet stream.\nPR:N - TIPC neighbour discovery and link establishment (`tipc_disc_rcv` \u2192 `tipc_node_check_dest`) perform no authentication whatsoever; only a matching net_id (default 4711) is required, and TIPC_CRYPTO is a non-default option. An unauthenticated remote peer can bring up a link and immediately send the malicious fragment sequence.\nUI:N - The whole path executes in softirq/NAPI context on packet arrival with no involvement from any local user or application. No victim action of any kind is needed.\nS:U - The corruption is confined to kernel slab memory managed by the same kernel security authority; there is no crossing of a VM, IOMMU, or sandbox boundary. Impact is standard kernel-level compromise.\nC:H - This is a use-after-free/double-free of an skb: `kfree_skb_list_reason()` dereferences the freed fragment\u0027s `next` pointer, and the freed object can be reclaimed and filled with attacker-chosen data via network skb spraying, yielding a controlled read primitive and kernel memory disclosure.\nI:H - The coalesce path double-frees the skb into `skbuff_cache`, and the frag_list path causes `__kfree_skb()` on an attacker-controlled `next` pointer \u2014 classic type-confusion/arbitrary-free primitives that are leverageable into arbitrary kernel writes and control-flow hijack.\nA:H - The flaw is a KASAN-confirmed slab use-after-free plus double free in softirq context, which reliably oopses or panics the kernel on unpatched systems. It can be re-triggered at will by an unauthenticated remote peer for a persistent remote DoS."
}
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"url": "https://git.kernel.org/stable/c/93bc2d6d16f2c3178736ba6b845b30475856dc40"
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"url": "https://git.kernel.org/stable/c/367766ff9e407f8a68409b7ce4dc4d5a72afeab1"
},
{
"url": "https://git.kernel.org/stable/c/66116556076f0b96bc1aa9844008c743c8c67684"
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{
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{
"url": "https://git.kernel.org/stable/c/ffd4917c1edb3c3ff334fce3704fbe9c39f35682"
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"url": "https://git.kernel.org/stable/c/a0fbb26f8247e326a320e2cb4395bfb234332c90"
},
{
"url": "https://git.kernel.org/stable/c/080cbb890286cd794f1ee788bbc5463e2deb7c2b"
}
],
"title": "tipc: fix UAF in error path",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-36886",
"datePublished": "2024-05-30T15:28:55.059Z",
"dateReserved": "2024-05-30T15:25:07.065Z",
"dateUpdated": "2026-08-05T11:31:51.141Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-50147 (GCVE-0-2024-50147)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Fix command bitmask initialization
Command bitmask have a dedicated bit for MANAGE_PAGES command, this bit
isn't Initialize during command bitmask Initialization, only during
MANAGE_PAGES.
In addition, mlx5_cmd_trigger_completions() is trying to trigger
completion for MANAGE_PAGES command as well.
Hence, in case health error occurred before any MANAGE_PAGES command
have been invoke (for example, during mlx5_enable_hca()),
mlx5_cmd_trigger_completions() will try to trigger completion for
MANAGE_PAGES command, which will result in null-ptr-deref error.[1]
Fix it by Initialize command bitmask correctly.
While at it, re-write the code for better understanding.
[1]
BUG: KASAN: null-ptr-deref in mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]
Write of size 4 at addr 0000000000000214 by task kworker/u96:2/12078
CPU: 10 PID: 12078 Comm: kworker/u96:2 Not tainted 6.9.0-rc2_for_upstream_debug_2024_04_07_19_01 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Workqueue: mlx5_health0000:08:00.0 mlx5_fw_fatal_reporter_err_work [mlx5_core]
Call Trace:
<TASK>
dump_stack_lvl+0x7e/0xc0
kasan_report+0xb9/0xf0
kasan_check_range+0xec/0x190
mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]
mlx5_cmd_flush+0x94/0x240 [mlx5_core]
enter_error_state+0x6c/0xd0 [mlx5_core]
mlx5_fw_fatal_reporter_err_work+0xf3/0x480 [mlx5_core]
process_one_work+0x787/0x1490
? lockdep_hardirqs_on_prepare+0x400/0x400
? pwq_dec_nr_in_flight+0xda0/0xda0
? assign_work+0x168/0x240
worker_thread+0x586/0xd30
? rescuer_thread+0xae0/0xae0
kthread+0x2df/0x3b0
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x2d/0x70
? kthread_complete_and_exit+0x20/0x20
ret_from_fork_asm+0x11/0x20
</TASK>
References
| URL | Tags | |
|---|---|---|
Impacted products
{
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"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-50147",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-01T20:20:50.679297Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "CWE-476 NULL Pointer Dereference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-01T20:27:13.600Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:26:05.797Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/cmd.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "d1606090bb294cecb7de3c4ed177f5aa0abd4c4e",
"status": "affected",
"version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520",
"versionType": "git"
},
{
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"versionType": "git"
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{
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"version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520",
"versionType": "git"
},
{
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"status": "affected",
"version": "9b98d395b85dd042fe83fb696b1ac02e6c93a520",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/cmd.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.1"
},
{
"lessThan": "6.1",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
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"version": "6.1.115",
"versionType": "semver"
},
{
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"version": "6.6.59",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.115",
"versionStartIncluding": "6.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.59",
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},
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}
],
"negate": false,
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}
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}
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix command bitmask initialization\n\nCommand bitmask have a dedicated bit for MANAGE_PAGES command, this bit\nisn\u0027t Initialize during command bitmask Initialization, only during\nMANAGE_PAGES.\n\nIn addition, mlx5_cmd_trigger_completions() is trying to trigger\ncompletion for MANAGE_PAGES command as well.\n\nHence, in case health error occurred before any MANAGE_PAGES command\nhave been invoke (for example, during mlx5_enable_hca()),\nmlx5_cmd_trigger_completions() will try to trigger completion for\nMANAGE_PAGES command, which will result in null-ptr-deref error.[1]\n\nFix it by Initialize command bitmask correctly.\n\nWhile at it, re-write the code for better understanding.\n\n[1]\nBUG: KASAN: null-ptr-deref in mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\nWrite of size 4 at addr 0000000000000214 by task kworker/u96:2/12078\nCPU: 10 PID: 12078 Comm: kworker/u96:2 Not tainted 6.9.0-rc2_for_upstream_debug_2024_04_07_19_01 #1\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\nWorkqueue: mlx5_health0000:08:00.0 mlx5_fw_fatal_reporter_err_work [mlx5_core]\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x7e/0xc0\n kasan_report+0xb9/0xf0\n kasan_check_range+0xec/0x190\n mlx5_cmd_trigger_completions+0x1db/0x600 [mlx5_core]\n mlx5_cmd_flush+0x94/0x240 [mlx5_core]\n enter_error_state+0x6c/0xd0 [mlx5_core]\n mlx5_fw_fatal_reporter_err_work+0xf3/0x480 [mlx5_core]\n process_one_work+0x787/0x1490\n ? lockdep_hardirqs_on_prepare+0x400/0x400\n ? pwq_dec_nr_in_flight+0xda0/0xda0\n ? assign_work+0x168/0x240\n worker_thread+0x586/0xd30\n ? rescuer_thread+0xae0/0xae0\n kthread+0x2df/0x3b0\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x2d/0x70\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork_asm+0x11/0x20\n \u003c/TASK\u003e"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:46:21.355Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/d1606090bb294cecb7de3c4ed177f5aa0abd4c4e"
},
{
"url": "https://git.kernel.org/stable/c/d88564c79d1cedaf2655f12261eca0d2796bde4e"
},
{
"url": "https://git.kernel.org/stable/c/2feac1e562be0efc621a6722644a90f355d53473"
},
{
"url": "https://git.kernel.org/stable/c/d62b14045c6511a7b2d4948d1a83a4e592deeb05"
}
],
"title": "net/mlx5: Fix command bitmask initialization",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50147",
"datePublished": "2024-11-07T09:31:24.151Z",
"dateReserved": "2024-10-21T19:36:19.958Z",
"dateUpdated": "2026-05-11T20:46:21.355Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-46853 (GCVE-0-2024-46853)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
spi: nxp-fspi: fix the KASAN report out-of-bounds bug
Change the memcpy length to fix the out-of-bounds issue when writing the
data that is not 4 byte aligned to TX FIFO.
To reproduce the issue, write 3 bytes data to NOR chip.
dd if=3b of=/dev/mtd0
[ 36.926103] ==================================================================
[ 36.933409] BUG: KASAN: slab-out-of-bounds in nxp_fspi_exec_op+0x26ec/0x2838
[ 36.940514] Read of size 4 at addr ffff00081037c2a0 by task dd/455
[ 36.946721]
[ 36.948235] CPU: 3 UID: 0 PID: 455 Comm: dd Not tainted 6.11.0-rc5-gc7b0e37c8434 #1070
[ 36.956185] Hardware name: Freescale i.MX8QM MEK (DT)
[ 36.961260] Call trace:
[ 36.963723] dump_backtrace+0x90/0xe8
[ 36.967414] show_stack+0x18/0x24
[ 36.970749] dump_stack_lvl+0x78/0x90
[ 36.974451] print_report+0x114/0x5cc
[ 36.978151] kasan_report+0xa4/0xf0
[ 36.981670] __asan_report_load_n_noabort+0x1c/0x28
[ 36.986587] nxp_fspi_exec_op+0x26ec/0x2838
[ 36.990800] spi_mem_exec_op+0x8ec/0xd30
[ 36.994762] spi_mem_no_dirmap_read+0x190/0x1e0
[ 36.999323] spi_mem_dirmap_write+0x238/0x32c
[ 37.003710] spi_nor_write_data+0x220/0x374
[ 37.007932] spi_nor_write+0x110/0x2e8
[ 37.011711] mtd_write_oob_std+0x154/0x1f0
[ 37.015838] mtd_write_oob+0x104/0x1d0
[ 37.019617] mtd_write+0xb8/0x12c
[ 37.022953] mtdchar_write+0x224/0x47c
[ 37.026732] vfs_write+0x1e4/0x8c8
[ 37.030163] ksys_write+0xec/0x1d0
[ 37.033586] __arm64_sys_write+0x6c/0x9c
[ 37.037539] invoke_syscall+0x6c/0x258
[ 37.041327] el0_svc_common.constprop.0+0x160/0x22c
[ 37.046244] do_el0_svc+0x44/0x5c
[ 37.049589] el0_svc+0x38/0x78
[ 37.052681] el0t_64_sync_handler+0x13c/0x158
[ 37.057077] el0t_64_sync+0x190/0x194
[ 37.060775]
[ 37.062274] Allocated by task 455:
[ 37.065701] kasan_save_stack+0x2c/0x54
[ 37.069570] kasan_save_track+0x20/0x3c
[ 37.073438] kasan_save_alloc_info+0x40/0x54
[ 37.077736] __kasan_kmalloc+0xa0/0xb8
[ 37.081515] __kmalloc_noprof+0x158/0x2f8
[ 37.085563] mtd_kmalloc_up_to+0x120/0x154
[ 37.089690] mtdchar_write+0x130/0x47c
[ 37.093469] vfs_write+0x1e4/0x8c8
[ 37.096901] ksys_write+0xec/0x1d0
[ 37.100332] __arm64_sys_write+0x6c/0x9c
[ 37.104287] invoke_syscall+0x6c/0x258
[ 37.108064] el0_svc_common.constprop.0+0x160/0x22c
[ 37.112972] do_el0_svc+0x44/0x5c
[ 37.116319] el0_svc+0x38/0x78
[ 37.119401] el0t_64_sync_handler+0x13c/0x158
[ 37.123788] el0t_64_sync+0x190/0x194
[ 37.127474]
[ 37.128977] The buggy address belongs to the object at ffff00081037c2a0
[ 37.128977] which belongs to the cache kmalloc-8 of size 8
[ 37.141177] The buggy address is located 0 bytes inside of
[ 37.141177] allocated 3-byte region [ffff00081037c2a0, ffff00081037c2a3)
[ 37.153465]
[ 37.154971] The buggy address belongs to the physical page:
[ 37.160559] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x89037c
[ 37.168596] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[ 37.175149] page_type: 0xfdffffff(slab)
[ 37.179021] raw: 0bfffe0000000000 ffff000800002500 dead000000000122 0000000000000000
[ 37.186788] raw: 0000000000000000 0000000080800080 00000001fdffffff 0000000000000000
[ 37.194553] page dumped because: kasan: bad access detected
[ 37.200144]
[ 37.201647] Memory state around the buggy address:
[ 37.206460] ffff00081037c180: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc
[ 37.213701] ffff00081037c200: fa fc fc fc 05 fc fc fc 03 fc fc fc 02 fc fc fc
[ 37.220946] >ffff00081037c280: 06 fc fc fc 03 fc fc fc fc fc fc fc fc fc fc fc
[ 37.228186] ^
[ 37.232473] ffff00081037c300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 37.239718] ffff00081037c380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 37.246962] ==============================================================
---truncated---
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a5356aef6a907c2e2aed0caaa2b88b6021394471 Version: a5356aef6a907c2e2aed0caaa2b88b6021394471 Version: a5356aef6a907c2e2aed0caaa2b88b6021394471 Version: a5356aef6a907c2e2aed0caaa2b88b6021394471 Version: a5356aef6a907c2e2aed0caaa2b88b6021394471 Version: a5356aef6a907c2e2aed0caaa2b88b6021394471 Version: a5356aef6a907c2e2aed0caaa2b88b6021394471 |
||
{
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"metrics": [
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:19:38.858Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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}
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"title": "CVE Program Container"
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],
"cna": {
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{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/spi/spi-nxp-fspi.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
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{
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{
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{
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{
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{
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"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.1"
},
{
"lessThan": "5.1",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.285",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.227",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.168",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.111",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.52",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "6.10.11",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.11",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.4.285",
"versionStartIncluding": "5.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.227",
"versionStartIncluding": "5.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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{
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{
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"versionEndExcluding": "6.6.52",
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"vulnerable": true
},
{
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"versionEndExcluding": "6.10.11",
"versionStartIncluding": "5.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.11",
"versionStartIncluding": "5.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: nxp-fspi: fix the KASAN report out-of-bounds bug\n\nChange the memcpy length to fix the out-of-bounds issue when writing the\ndata that is not 4 byte aligned to TX FIFO.\n\nTo reproduce the issue, write 3 bytes data to NOR chip.\n\ndd if=3b of=/dev/mtd0\n[ 36.926103] ==================================================================\n[ 36.933409] BUG: KASAN: slab-out-of-bounds in nxp_fspi_exec_op+0x26ec/0x2838\n[ 36.940514] Read of size 4 at addr ffff00081037c2a0 by task dd/455\n[ 36.946721]\n[ 36.948235] CPU: 3 UID: 0 PID: 455 Comm: dd Not tainted 6.11.0-rc5-gc7b0e37c8434 #1070\n[ 36.956185] Hardware name: Freescale i.MX8QM MEK (DT)\n[ 36.961260] Call trace:\n[ 36.963723] dump_backtrace+0x90/0xe8\n[ 36.967414] show_stack+0x18/0x24\n[ 36.970749] dump_stack_lvl+0x78/0x90\n[ 36.974451] print_report+0x114/0x5cc\n[ 36.978151] kasan_report+0xa4/0xf0\n[ 36.981670] __asan_report_load_n_noabort+0x1c/0x28\n[ 36.986587] nxp_fspi_exec_op+0x26ec/0x2838\n[ 36.990800] spi_mem_exec_op+0x8ec/0xd30\n[ 36.994762] spi_mem_no_dirmap_read+0x190/0x1e0\n[ 36.999323] spi_mem_dirmap_write+0x238/0x32c\n[ 37.003710] spi_nor_write_data+0x220/0x374\n[ 37.007932] spi_nor_write+0x110/0x2e8\n[ 37.011711] mtd_write_oob_std+0x154/0x1f0\n[ 37.015838] mtd_write_oob+0x104/0x1d0\n[ 37.019617] mtd_write+0xb8/0x12c\n[ 37.022953] mtdchar_write+0x224/0x47c\n[ 37.026732] vfs_write+0x1e4/0x8c8\n[ 37.030163] ksys_write+0xec/0x1d0\n[ 37.033586] __arm64_sys_write+0x6c/0x9c\n[ 37.037539] invoke_syscall+0x6c/0x258\n[ 37.041327] el0_svc_common.constprop.0+0x160/0x22c\n[ 37.046244] do_el0_svc+0x44/0x5c\n[ 37.049589] el0_svc+0x38/0x78\n[ 37.052681] el0t_64_sync_handler+0x13c/0x158\n[ 37.057077] el0t_64_sync+0x190/0x194\n[ 37.060775]\n[ 37.062274] Allocated by task 455:\n[ 37.065701] kasan_save_stack+0x2c/0x54\n[ 37.069570] kasan_save_track+0x20/0x3c\n[ 37.073438] kasan_save_alloc_info+0x40/0x54\n[ 37.077736] __kasan_kmalloc+0xa0/0xb8\n[ 37.081515] __kmalloc_noprof+0x158/0x2f8\n[ 37.085563] mtd_kmalloc_up_to+0x120/0x154\n[ 37.089690] mtdchar_write+0x130/0x47c\n[ 37.093469] vfs_write+0x1e4/0x8c8\n[ 37.096901] ksys_write+0xec/0x1d0\n[ 37.100332] __arm64_sys_write+0x6c/0x9c\n[ 37.104287] invoke_syscall+0x6c/0x258\n[ 37.108064] el0_svc_common.constprop.0+0x160/0x22c\n[ 37.112972] do_el0_svc+0x44/0x5c\n[ 37.116319] el0_svc+0x38/0x78\n[ 37.119401] el0t_64_sync_handler+0x13c/0x158\n[ 37.123788] el0t_64_sync+0x190/0x194\n[ 37.127474]\n[ 37.128977] The buggy address belongs to the object at ffff00081037c2a0\n[ 37.128977] which belongs to the cache kmalloc-8 of size 8\n[ 37.141177] The buggy address is located 0 bytes inside of\n[ 37.141177] allocated 3-byte region [ffff00081037c2a0, ffff00081037c2a3)\n[ 37.153465]\n[ 37.154971] The buggy address belongs to the physical page:\n[ 37.160559] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x89037c\n[ 37.168596] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)\n[ 37.175149] page_type: 0xfdffffff(slab)\n[ 37.179021] raw: 0bfffe0000000000 ffff000800002500 dead000000000122 0000000000000000\n[ 37.186788] raw: 0000000000000000 0000000080800080 00000001fdffffff 0000000000000000\n[ 37.194553] page dumped because: kasan: bad access detected\n[ 37.200144]\n[ 37.201647] Memory state around the buggy address:\n[ 37.206460] ffff00081037c180: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc\n[ 37.213701] ffff00081037c200: fa fc fc fc 05 fc fc fc 03 fc fc fc 02 fc fc fc\n[ 37.220946] \u003effff00081037c280: 06 fc fc fc 03 fc fc fc fc fc fc fc fc fc fc fc\n[ 37.228186] ^\n[ 37.232473] ffff00081037c300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n[ 37.239718] ffff00081037c380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n[ 37.246962] ==============================================================\n---truncated---"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:37:48.946Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/aa05db44db5f409f6d91c27b5737efb49fb45d9f"
},
{
"url": "https://git.kernel.org/stable/c/609260542cf86b459c57618b8cdec8020394b7ad"
},
{
"url": "https://git.kernel.org/stable/c/491f9646f7ac31af5fca71be1a3e5eb8aa7663ad"
},
{
"url": "https://git.kernel.org/stable/c/09af8b0ba70072be831f3ec459f4063d570f9e24"
},
{
"url": "https://git.kernel.org/stable/c/af9ca9ca3e44f48b2a191e100d452fbf850c3d87"
},
{
"url": "https://git.kernel.org/stable/c/d1a1dfcec77c57b1181da93d11a3db1bc4eefa97"
},
{
"url": "https://git.kernel.org/stable/c/2a8787c1cdc7be24fdd8953ecd1a8743a1006235"
}
],
"title": "spi: nxp-fspi: fix the KASAN report out-of-bounds bug",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-46853",
"datePublished": "2024-09-27T12:42:45.989Z",
"dateReserved": "2024-09-11T15:12:18.290Z",
"dateUpdated": "2026-05-11T20:37:48.946Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-27017 (GCVE-0-2024-27017)
Vulnerability from cvelistv5
Published
2024-05-01 05:30
Modified
2026-08-05 11:29
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_pipapo: walk over current view on netlink dump
The generation mask can be updated while netlink dump is in progress.
The pipapo set backend walk iterator cannot rely on it to infer what
view of the datastructure is to be used. Add notation to specify if user
wants to read/update the set.
Based on patch from Florian Westphal.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2a90da8e0dd50f42e577988f4219f4f4cd3616b7 Version: 45eb6944d0f55102229115de040ef3a48841434a Version: 0d836f917520300a8725a5dbdad4406438d0cead Version: 2b84e215f87443c74ac0aa7f76bb172d43a87033 Version: 2b84e215f87443c74ac0aa7f76bb172d43a87033 Version: 2b84e215f87443c74ac0aa7f76bb172d43a87033 Version: f661383b5f1aaac3fe121b91e04332944bc90193 Version: 5.10.186 ≤ Version: 5.15.119 ≤ Version: 6.1.36 ≤ Version: 6.3.10 ≤ |
||
{
"containers": {
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"id": "CVE-2024-27017",
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"role": "CISA Coordinator",
"timestamp": "2024-05-28T16:20:37.656440Z",
"version": "2.0.3"
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"type": "ssvc"
}
}
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"providerMetadata": {
"dateUpdated": "2024-06-04T17:47:29.908Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
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{
"providerMetadata": {
"dateUpdated": "2025-11-04T17:17:24.217Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"references": [
{
"tags": [
"x_transferred"
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"url": "https://git.kernel.org/stable/c/721715655c72640567e8742567520c99801148ed"
},
{
"tags": [
"x_transferred"
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"url": "https://git.kernel.org/stable/c/29b359cf6d95fd60730533f7f10464e95bd17c73"
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{
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"include/net/netfilter/nf_tables.h",
"net/netfilter/nf_tables_api.c",
"net/netfilter/nft_set_pipapo.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "ff89db14c63a827066446460e39226c0688ef786",
"status": "affected",
"version": "2a90da8e0dd50f42e577988f4219f4f4cd3616b7",
"versionType": "git"
},
{
"lessThan": "ce9fef54c5ec9912a0c9a47bac3195cc41b14679",
"status": "affected",
"version": "45eb6944d0f55102229115de040ef3a48841434a",
"versionType": "git"
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CVE-2024-50096 (GCVE-0-2024-50096)
Vulnerability from cvelistv5
Published
2024-11-05 17:04
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nouveau/dmem: Fix vulnerability in migrate_to_ram upon copy error
The `nouveau_dmem_copy_one` function ensures that the copy push command is
sent to the device firmware but does not track whether it was executed
successfully.
In the case of a copy error (e.g., firmware or hardware failure), the
copy push command will be sent via the firmware channel, and
`nouveau_dmem_copy_one` will likely report success, leading to the
`migrate_to_ram` function returning a dirty HIGH_USER page to the user.
This can result in a security vulnerability, as a HIGH_USER page that may
contain sensitive or corrupted data could be returned to the user.
To prevent this vulnerability, we allocate a zero page. Thus, in case of
an error, a non-dirty (zero) page will be returned to the user.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 5be73b690875f7eb2d2defb54ccd7f2f12074984 Version: 5be73b690875f7eb2d2defb54ccd7f2f12074984 Version: 5be73b690875f7eb2d2defb54ccd7f2f12074984 Version: 5be73b690875f7eb2d2defb54ccd7f2f12074984 Version: 5be73b690875f7eb2d2defb54ccd7f2f12074984 Version: 5be73b690875f7eb2d2defb54ccd7f2f12074984 Version: 5be73b690875f7eb2d2defb54ccd7f2f12074984 |
||
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CVE-2024-50267 (GCVE-0-2024-50267)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
USB: serial: io_edgeport: fix use after free in debug printk
The "dev_dbg(&urb->dev->dev, ..." which happens after usb_free_urb(urb)
is a use after free of the "urb" pointer. Store the "dev" pointer at the
start of the function to avoid this issue.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 984f68683298ba53af32f909de1f9452fbb37ccb Version: 984f68683298ba53af32f909de1f9452fbb37ccb Version: 984f68683298ba53af32f909de1f9452fbb37ccb Version: 984f68683298ba53af32f909de1f9452fbb37ccb Version: 984f68683298ba53af32f909de1f9452fbb37ccb Version: 984f68683298ba53af32f909de1f9452fbb37ccb Version: 984f68683298ba53af32f909de1f9452fbb37ccb Version: 984f68683298ba53af32f909de1f9452fbb37ccb |
||
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CVE-2024-50145 (GCVE-0-2024-50145)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
octeon_ep: Add SKB allocation failures handling in __octep_oq_process_rx()
build_skb() returns NULL in case of a memory allocation failure so handle
it inside __octep_oq_process_rx() to avoid NULL pointer dereference.
__octep_oq_process_rx() is called during NAPI polling by the driver. If
skb allocation fails, keep on pulling packets out of the Rx DMA queue: we
shouldn't break the polling immediately and thus falsely indicate to the
octep_napi_poll() that the Rx pressure is going down. As there is no
associated skb in this case, don't process the packets and don't push them
up the network stack - they are skipped.
Helper function is implemented to unmmap/flush all the fragment buffers
used by the dropped packet. 'alloc_failures' counter is incremented to
mark the skb allocation error in driver statistics.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49972 (GCVE-0-2024-49972)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Deallocate DML memory if allocation fails
[Why]
When DC state create DML memory allocation fails, memory is not
deallocated subsequently, resulting in uninitialized structure
that is not NULL.
[How]
Deallocate memory if DML memory allocation fails.
References
Impacted products
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CVE-2024-50023 (GCVE-0-2024-50023)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: phy: Remove LED entry from LEDs list on unregister
Commit c938ab4da0eb ("net: phy: Manual remove LEDs to ensure correct
ordering") correctly fixed a problem with using devm_ but missed
removing the LED entry from the LEDs list.
This cause kernel panic on specific scenario where the port for the PHY
is torn down and up and the kmod for the PHY is removed.
On setting the port down the first time, the assosiacted LEDs are
correctly unregistered. The associated kmod for the PHY is now removed.
The kmod is now added again and the port is now put up, the associated LED
are registered again.
On putting the port down again for the second time after these step, the
LED list now have 4 elements. With the first 2 already unregistered
previously and the 2 new one registered again.
This cause a kernel panic as the first 2 element should have been
removed.
Fix this by correctly removing the element when LED is unregistered.
References
Impacted products
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CVE-2024-50017 (GCVE-0-2024-50017)
Vulnerability from cvelistv5
Published
2024-10-21 18:54
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
x86/mm/ident_map: Use gbpages only where full GB page should be mapped.
When ident_pud_init() uses only GB pages to create identity maps, large
ranges of addresses not actually requested can be included in the resulting
table; a 4K request will map a full GB. This can include a lot of extra
address space past that requested, including areas marked reserved by the
BIOS. That allows processor speculation into reserved regions, that on UV
systems can cause system halts.
Only use GB pages when map creation requests include the full GB page of
space. Fall back to using smaller 2M pages when only portions of a GB page
are included in the request.
No attempt is made to coalesce mapping requests. If a request requires a
map entry at the 2M (pmd) level, subsequent mapping requests within the
same 1G region will also be at the pmd level, even if adjacent or
overlapping such requests could have been combined to map a full GB page.
Existing usage starts with larger regions and then adds smaller regions, so
this should not have any great consequence.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2022-49015 (GCVE-0-2022-49015)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: hsr: Fix potential use-after-free
The skb is delivered to netif_rx() which may free it, after calling this,
dereferencing skb may trigger use-after-free.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f421436a591d34fa5279b54a96ac07d70250cc8d Version: f421436a591d34fa5279b54a96ac07d70250cc8d Version: f421436a591d34fa5279b54a96ac07d70250cc8d Version: f421436a591d34fa5279b54a96ac07d70250cc8d Version: f421436a591d34fa5279b54a96ac07d70250cc8d Version: f421436a591d34fa5279b54a96ac07d70250cc8d Version: f421436a591d34fa5279b54a96ac07d70250cc8d Version: f421436a591d34fa5279b54a96ac07d70250cc8d |
||
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CVE-2024-50230 (GCVE-0-2024-50230)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nilfs2: fix kernel bug due to missing clearing of checked flag
Syzbot reported that in directory operations after nilfs2 detects
filesystem corruption and degrades to read-only,
__block_write_begin_int(), which is called to prepare block writes, may
fail the BUG_ON check for accesses exceeding the folio/page size,
triggering a kernel bug.
This was found to be because the "checked" flag of a page/folio was not
cleared when it was discarded by nilfs2's own routine, which causes the
sanity check of directory entries to be skipped when the directory
page/folio is reloaded. So, fix that.
This was necessary when the use of nilfs2's own page discard routine was
applied to more than just metadata files.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c Version: 8c26c4e2694a163d525976e804d81cd955bbb40c |
||
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CVE-2024-53042 (GCVE-0-2024-53042)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-05-23 15:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()
There are code paths from which the function is called without holding
the RCU read lock, resulting in a suspicious RCU usage warning [1].
Fix by using l3mdev_master_upper_ifindex_by_index() which will acquire
the RCU read lock before calling
l3mdev_master_upper_ifindex_by_index_rcu().
[1]
WARNING: suspicious RCU usage
6.12.0-rc3-custom-gac8f72681cf2 #141 Not tainted
-----------------------------
net/core/dev.c:876 RCU-list traversed in non-reader section!!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by ip/361:
#0: ffffffff86fc7cb0 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x377/0xf60
stack backtrace:
CPU: 3 UID: 0 PID: 361 Comm: ip Not tainted 6.12.0-rc3-custom-gac8f72681cf2 #141
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Call Trace:
<TASK>
dump_stack_lvl+0xba/0x110
lockdep_rcu_suspicious.cold+0x4f/0xd6
dev_get_by_index_rcu+0x1d3/0x210
l3mdev_master_upper_ifindex_by_index_rcu+0x2b/0xf0
ip_tunnel_bind_dev+0x72f/0xa00
ip_tunnel_newlink+0x368/0x7a0
ipgre_newlink+0x14c/0x170
__rtnl_newlink+0x1173/0x19c0
rtnl_newlink+0x6c/0xa0
rtnetlink_rcv_msg+0x3cc/0xf60
netlink_rcv_skb+0x171/0x450
netlink_unicast+0x539/0x7f0
netlink_sendmsg+0x8c1/0xd80
____sys_sendmsg+0x8f9/0xc20
___sys_sendmsg+0x197/0x1e0
__sys_sendmsg+0x122/0x1f0
do_syscall_64+0xbb/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ab6c9463b137163ba53fc050bf2c72bed2c997b8 Version: 760852df570747e500a9632d34cbbf4faef30855 Version: db53cd3d88dc328dea2e968c9c8d3b4294a8a674 Version: db53cd3d88dc328dea2e968c9c8d3b4294a8a674 Version: db53cd3d88dc328dea2e968c9c8d3b4294a8a674 Version: db53cd3d88dc328dea2e968c9c8d3b4294a8a674 Version: 5.10.227 ≤ Version: 5.15.168 ≤ |
||
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CVE-2024-50167 (GCVE-0-2024-50167)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
be2net: fix potential memory leak in be_xmit()
The be_xmit() returns NETDEV_TX_OK without freeing skb
in case of be_xmit_enqueue() fails, add dev_kfree_skb_any() to fix it.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 760c295e0e8d982917d004c9095cff61c0cbd803 Version: 760c295e0e8d982917d004c9095cff61c0cbd803 Version: 760c295e0e8d982917d004c9095cff61c0cbd803 Version: 760c295e0e8d982917d004c9095cff61c0cbd803 Version: 760c295e0e8d982917d004c9095cff61c0cbd803 Version: 760c295e0e8d982917d004c9095cff61c0cbd803 Version: 760c295e0e8d982917d004c9095cff61c0cbd803 Version: 760c295e0e8d982917d004c9095cff61c0cbd803 |
||
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CVE-2024-50014 (GCVE-0-2024-50014)
Vulnerability from cvelistv5
Published
2024-10-21 18:54
Modified
2026-07-14 12:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix access to uninitialised lock in fc replay path
The following kernel trace can be triggered with fstest generic/629 when
executed against a filesystem with fast-commit feature enabled:
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 PID: 866 Comm: mount Not tainted 6.10.0+ #11
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x66/0x90
register_lock_class+0x759/0x7d0
__lock_acquire+0x85/0x2630
? __find_get_block+0xb4/0x380
lock_acquire+0xd1/0x2d0
? __ext4_journal_get_write_access+0xd5/0x160
_raw_spin_lock+0x33/0x40
? __ext4_journal_get_write_access+0xd5/0x160
__ext4_journal_get_write_access+0xd5/0x160
ext4_reserve_inode_write+0x61/0xb0
__ext4_mark_inode_dirty+0x79/0x270
? ext4_ext_replay_set_iblocks+0x2f8/0x450
ext4_ext_replay_set_iblocks+0x330/0x450
ext4_fc_replay+0x14c8/0x1540
? jread+0x88/0x2e0
? rcu_is_watching+0x11/0x40
do_one_pass+0x447/0xd00
jbd2_journal_recover+0x139/0x1b0
jbd2_journal_load+0x96/0x390
ext4_load_and_init_journal+0x253/0xd40
ext4_fill_super+0x2cc6/0x3180
...
In the replay path there's an attempt to lock sbi->s_bdev_wb_lock in
function ext4_check_bdev_write_error(). Unfortunately, at this point this
spinlock has not been initialized yet. Moving it's initialization to an
earlier point in __ext4_fill_super() fixes this splat.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47728 (GCVE-0-2024-47728)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-11 20:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Zero former ARG_PTR_TO_{LONG,INT} args in case of error
For all non-tracing helpers which formerly had ARG_PTR_TO_{LONG,INT} as input
arguments, zero the value for the case of an error as otherwise it could leak
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to be initialized. If we lift MEM_UNINIT, it then becomes: i) read into memory,
ii) memory must be initialized. This means that for bpf_*_check_mtu() we're
readding the issue we're trying to fix, that is, it would then be able to
write back into things like .rodata BPF maps. Follow-up work will rework the
MEM_UNINIT semantics such that the intent can be better expressed. For now
just clear the *mtu_len on error path which can be lifted later again.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49981 (GCVE-0-2024-49981)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: venus: fix use after free bug in venus_remove due to race condition
in venus_probe, core->work is bound with venus_sys_error_handler, which is
used to handle error. The code use core->sys_err_done to make sync work.
The core->work is started in venus_event_notify.
If we call venus_remove, there might be an unfished work. The possible
sequence is as follows:
CPU0 CPU1
|venus_sys_error_handler
venus_remove |
hfi_destroy |
venus_hfi_destroy |
kfree(hdev); |
|hfi_reinit
|venus_hfi_queues_reinit
|//use hdev
Fix it by canceling the work in venus_remove.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: af2c3834c8ca7cc65d15592ac671933df8848115 Version: af2c3834c8ca7cc65d15592ac671933df8848115 Version: af2c3834c8ca7cc65d15592ac671933df8848115 Version: af2c3834c8ca7cc65d15592ac671933df8848115 Version: af2c3834c8ca7cc65d15592ac671933df8848115 Version: af2c3834c8ca7cc65d15592ac671933df8848115 Version: af2c3834c8ca7cc65d15592ac671933df8848115 Version: af2c3834c8ca7cc65d15592ac671933df8848115 Version: af2c3834c8ca7cc65d15592ac671933df8848115 |
||
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"value": "AV:L - The Venus video accelerator is a DT platform device driven locally via `/dev/video*` V4L2 nodes and driver bind/unbind; there is no network-facing path to `venus_remove()` or to the HFI sys-error handler. Exploitation requires local access to the affected system.\nAC:L - The attacker influences both sides of the race: firmware `SYS_ERROR`/watchdog events can be provoked by feeding malformed bitstreams through the decoder, and the recovery-failure path re-schedules `core-\u003ework` every 10 ms indefinitely, so the work is essentially always pending when teardown runs. The race window is therefore repeatable and reliably winnable rather than depending on conditions outside the attacker\u0027s control.\nPR:L - An unprivileged local user with access to the V4L2 decoder/encoder nodes (the `video` group on desktops, the mediacodec sandbox on Android) supplies the racing sys-error side that arms and re-arms the vulnerable work item. Consistent with how the same driver-remove race class is scored elsewhere in this subsystem, no root-equivalent privilege is treated as required.\nUI:N - No victim action is needed \u2014 the sys-error work is armed by the attacker\u0027s own decode activity and fires asynchronously from the workqueue. Nothing must be opened, mounted, or confirmed by another user.\nS:U - The use-after-free corrupts kernel heap memory within the same kernel security authority; there is no guest-to-host, IOMMU, or sandbox boundary crossed. Standard kernel-local memory corruption.\nC:H - The freed `struct venus_hfi_device` is a generic kmalloc object that can be reclaimed with attacker-sprayed data, and `venus_hfi_queues_reinit()` dereferences pointers read out of it (`hdev-\u003eifaceq_table.kva`, `queues[i].qhdr`). This yields a controlled-pointer read/write primitive usable to disclose arbitrary kernel memory.\nI:H - `venus_hfi_queues_reinit()` performs repeated writes through `hdev-\u003eifaceq_table.kva` (`tbl_hdr-\u003eversion/size/num_q`, `venus_set_qhdr_defaults(queue-\u003eqhdr)`, `queue-\u003eqhdr-\u003estart_addr`) after the object is freed, giving an attacker-controlled arbitrary kernel write once the slab is reclaimed. Combined with the corrupted `hdev-\u003elock`, this is exploitable for control-flow hijack and privilege escalation.\nA:H - Even unexploited, the use-after-free (or the `core-\u003epriv = NULL` NULL dereference in the same window) causes a kernel oops/panic in the workqueue context, taking down the system. Any UAF of this kind is a reliable denial of service."
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CVE-2024-49912 (GCVE-0-2024-49912)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Handle null 'stream_status' in 'planes_changed_for_existing_stream'
This commit adds a null check for 'stream_status' in the function
'planes_changed_for_existing_stream'. Previously, the code assumed
'stream_status' could be null, but did not handle the case where it was
actually null. This could lead to a null pointer dereference.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:3784 planes_changed_for_existing_stream() error: we previously assumed 'stream_status' could be null (see line 3774)
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50089 (GCVE-0-2024-50089)
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
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CVE-2024-49862 (GCVE-0-2024-49862)
Vulnerability from cvelistv5
Published
2024-10-21 12:27
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
powercap: intel_rapl: Fix off by one in get_rpi()
The rp->priv->rpi array is either rpi_msr or rpi_tpmi which have
NR_RAPL_PRIMITIVES number of elements. Thus the > needs to be >=
to prevent an off by one access.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50228 (GCVE-0-2024-50228)
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
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CVE-2022-48953 (GCVE-0-2022-48953)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
rtc: cmos: Fix event handler registration ordering issue
Because acpi_install_fixed_event_handler() enables the event
automatically on success, it is incorrect to call it before the
handler routine passed to it is ready to handle events.
Unfortunately, the rtc-cmos driver does exactly the incorrect thing
by calling cmos_wake_setup(), which passes rtc_handler() to
acpi_install_fixed_event_handler(), before cmos_do_probe(), because
rtc_handler() uses dev_get_drvdata() to get to the cmos object
pointer and the driver data pointer is only populated in
cmos_do_probe().
This leads to a NULL pointer dereference in rtc_handler() on boot
if the RTC fixed event happens to be active at the init time.
To address this issue, change the initialization ordering of the
driver so that cmos_wake_setup() is always called after a successful
cmos_do_probe() call.
While at it, change cmos_pnp_probe() to call cmos_do_probe() after
the initial if () statement used for computing the IRQ argument to
be passed to cmos_do_probe() which is cleaner than calling it in
each branch of that if () (local variable "irq" can be of type int,
because it is passed to that function as an argument of type int).
Note that commit 6492fed7d8c9 ("rtc: rtc-cmos: Do not check
ACPI_FADT_LOW_POWER_S0") caused this issue to affect a larger number
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ACPI_FADT_LOW_POWER_S0 set, but it is present regardless of that
commit.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2022-49031 (GCVE-0-2022-49031)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iio: health: afe4403: Fix oob read in afe4403_read_raw
KASAN report out-of-bounds read as follows:
BUG: KASAN: global-out-of-bounds in afe4403_read_raw+0x42e/0x4c0
Read of size 4 at addr ffffffffc02ac638 by task cat/279
Call Trace:
afe4403_read_raw
iio_read_channel_info
dev_attr_show
The buggy address belongs to the variable:
afe4403_channel_leds+0x18/0xffffffffffffe9e0
This issue can be reproduced by singe command:
$ cat /sys/bus/spi/devices/spi0.0/iio\:device0/in_intensity6_raw
The array size of afe4403_channel_leds is less than channels, so access
with chan->address cause OOB read in afe4403_read_raw. Fix it by moving
access before use it.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c |
||
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CVE-2022-48995 (GCVE-0-2022-48995)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Input: raydium_ts_i2c - fix memory leak in raydium_i2c_send()
There is a kmemleak when test the raydium_i2c_ts with bpf mock device:
unreferenced object 0xffff88812d3675a0 (size 8):
comm "python3", pid 349, jiffies 4294741067 (age 95.695s)
hex dump (first 8 bytes):
11 0e 10 c0 01 00 04 00 ........
backtrace:
[<0000000068427125>] __kmalloc+0x46/0x1b0
[<0000000090180f91>] raydium_i2c_send+0xd4/0x2bf [raydium_i2c_ts]
[<000000006e631aee>] raydium_i2c_initialize.cold+0xbc/0x3e4 [raydium_i2c_ts]
[<00000000dc6fcf38>] raydium_i2c_probe+0x3cd/0x6bc [raydium_i2c_ts]
[<00000000a310de16>] i2c_device_probe+0x651/0x680
[<00000000f5a96bf3>] really_probe+0x17c/0x3f0
[<00000000096ba499>] __driver_probe_device+0xe3/0x170
[<00000000c5acb4d9>] driver_probe_device+0x49/0x120
[<00000000264fe082>] __device_attach_driver+0xf7/0x150
[<00000000f919423c>] bus_for_each_drv+0x114/0x180
[<00000000e067feca>] __device_attach+0x1e5/0x2d0
[<0000000054301fc2>] bus_probe_device+0x126/0x140
[<00000000aad93b22>] device_add+0x810/0x1130
[<00000000c086a53f>] i2c_new_client_device+0x352/0x4e0
[<000000003c2c248c>] of_i2c_register_device+0xf1/0x110
[<00000000ffec4177>] of_i2c_notify+0x100/0x160
unreferenced object 0xffff88812d3675c8 (size 8):
comm "python3", pid 349, jiffies 4294741070 (age 95.692s)
hex dump (first 8 bytes):
22 00 36 2d 81 88 ff ff ".6-....
backtrace:
[<0000000068427125>] __kmalloc+0x46/0x1b0
[<0000000090180f91>] raydium_i2c_send+0xd4/0x2bf [raydium_i2c_ts]
[<000000001d5c9620>] raydium_i2c_initialize.cold+0x223/0x3e4 [raydium_i2c_ts]
[<00000000dc6fcf38>] raydium_i2c_probe+0x3cd/0x6bc [raydium_i2c_ts]
[<00000000a310de16>] i2c_device_probe+0x651/0x680
[<00000000f5a96bf3>] really_probe+0x17c/0x3f0
[<00000000096ba499>] __driver_probe_device+0xe3/0x170
[<00000000c5acb4d9>] driver_probe_device+0x49/0x120
[<00000000264fe082>] __device_attach_driver+0xf7/0x150
[<00000000f919423c>] bus_for_each_drv+0x114/0x180
[<00000000e067feca>] __device_attach+0x1e5/0x2d0
[<0000000054301fc2>] bus_probe_device+0x126/0x140
[<00000000aad93b22>] device_add+0x810/0x1130
[<00000000c086a53f>] i2c_new_client_device+0x352/0x4e0
[<000000003c2c248c>] of_i2c_register_device+0xf1/0x110
[<00000000ffec4177>] of_i2c_notify+0x100/0x160
After BANK_SWITCH command from i2c BUS, no matter success or error
happened, the tx_buf should be freed.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-46809 (GCVE-0-2024-46809)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-05-11 20:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check BIOS images before it is used
BIOS images may fail to load and null checks are added before they are
used.
This fixes 6 NULL_RETURNS issues reported by Coverity.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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||
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CVE-2024-49894 (GCVE-0-2024-49894)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix index out of bounds in degamma hardware format translation
Fixes index out of bounds issue in
`cm_helper_translate_curve_to_degamma_hw_format` function. The issue
could occur when the index 'i' exceeds the number of transfer function
points (TRANSFER_FUNC_POINTS).
The fix adds a check to ensure 'i' is within bounds before accessing the
transfer function points. If 'i' is out of bounds the function returns
false to indicate an error.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
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CVE-2024-40965 (GCVE-0-2024-40965)
Vulnerability from cvelistv5
Published
2024-07-12 12:32
Modified
2026-05-11 20:23
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i2c: lpi2c: Avoid calling clk_get_rate during transfer
Instead of repeatedly calling clk_get_rate for each transfer, lock
the clock rate and cache the value.
A deadlock has been observed while adding tlv320aic32x4 audio codec to
the system. When this clock provider adds its clock, the clk mutex is
locked already, it needs to access i2c, which in return needs the mutex
for clk_get_rate as well.
References
Impacted products
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CVE-2024-49993 (GCVE-0-2024-49993)
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
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CVE-2024-50000 (GCVE-0-2024-50000)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc()
In mlx5e_tir_builder_alloc() kvzalloc() may return NULL
which is dereferenced on the next line in a reference
to the modify field.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a6696735d694b365bca45873e9dbca26120a8375 Version: a6696735d694b365bca45873e9dbca26120a8375 Version: a6696735d694b365bca45873e9dbca26120a8375 Version: a6696735d694b365bca45873e9dbca26120a8375 Version: a6696735d694b365bca45873e9dbca26120a8375 Version: a6696735d694b365bca45873e9dbca26120a8375 |
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CVE-2024-49850 (GCVE-0-2024-49850)
Vulnerability from cvelistv5
Published
2024-10-21 12:18
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos
In case of malformed relocation record of kind BPF_CORE_TYPE_ID_LOCAL
referencing a non-existing BTF type, function bpf_core_calc_relo_insn
would cause a null pointer deference.
Fix this by adding a proper check upper in call stack, as malformed
relocation records could be passed from user space.
Simplest reproducer is a program:
r0 = 0
exit
With a single relocation record:
.insn_off = 0, /* patch first instruction */
.type_id = 100500, /* this type id does not exist */
.access_str_off = 6, /* offset of string "0" */
.kind = BPF_CORE_TYPE_ID_LOCAL,
See the link for original reproducer or next commit for a test case.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2022-48973 (GCVE-0-2022-48973)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
gpio: amd8111: Fix PCI device reference count leak
for_each_pci_dev() is implemented by pci_get_device(). The comment of
pci_get_device() says that it will increase the reference count for the
returned pci_dev and also decrease the reference count for the input
pci_dev @from if it is not NULL.
If we break for_each_pci_dev() loop with pdev not NULL, we need to call
pci_dev_put() to decrease the reference count. Add the missing
pci_dev_put() after the 'out' label. Since pci_dev_put() can handle NULL
input parameter, there is no problem for the 'Device not found' branch.
For the normal path, add pci_dev_put() in amd_gpio_exit().
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f942a7de047d8c599cc1a9a26293c8c7400450ea Version: f942a7de047d8c599cc1a9a26293c8c7400450ea Version: f942a7de047d8c599cc1a9a26293c8c7400450ea Version: f942a7de047d8c599cc1a9a26293c8c7400450ea Version: f942a7de047d8c599cc1a9a26293c8c7400450ea Version: f942a7de047d8c599cc1a9a26293c8c7400450ea Version: f942a7de047d8c599cc1a9a26293c8c7400450ea Version: f942a7de047d8c599cc1a9a26293c8c7400450ea |
||
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CVE-2024-50058 (GCVE-0-2024-50058)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-12 12:00
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
serial: protect uart_port_dtr_rts() in uart_shutdown() too
Commit af224ca2df29 (serial: core: Prevent unsafe uart port access, part
3) added few uport == NULL checks. It added one to uart_shutdown(), so
the commit assumes, uport can be NULL in there. But right after that
protection, there is an unprotected "uart_port_dtr_rts(uport, false);"
call. That is invoked only if HUPCL is set, so I assume that is the
reason why we do not see lots of these reports.
Or it cannot be NULL at this point at all for some reason :P.
Until the above is investigated, stay on the safe side and move this
dereference to the if too.
I got this inconsistency from Coverity under CID 1585130. Thanks.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2024-49917 (GCVE-0-2024-49917)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add NULL check for clk_mgr and clk_mgr->funcs in dcn30_init_hw
This commit addresses a potential null pointer dereference issue in the
`dcn30_init_hw` function. The issue could occur when `dc->clk_mgr` or
`dc->clk_mgr->funcs` is null.
The fix adds a check to ensure `dc->clk_mgr` and `dc->clk_mgr->funcs` is
not null before accessing its functions. This prevents a potential null
pointer dereference.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn30/dcn30_hwseq.c:789 dcn30_init_hw() error: we previously assumed 'dc->clk_mgr' could be null (see line 628)
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50138 (GCVE-0-2024-50138)
Vulnerability from cvelistv5
Published
2024-11-05 17:11
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Use raw_spinlock_t in ringbuf
The function __bpf_ringbuf_reserve is invoked from a tracepoint, which
disables preemption. Using spinlock_t in this context can lead to a
"sleep in atomic" warning in the RT variant. This issue is illustrated
in the example below:
BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 556208, name: test_progs
preempt_count: 1, expected: 0
RCU nest depth: 1, expected: 1
INFO: lockdep is turned off.
Preemption disabled at:
[<ffffd33a5c88ea44>] migrate_enable+0xc0/0x39c
CPU: 7 PID: 556208 Comm: test_progs Tainted: G
Hardware name: Qualcomm SA8775P Ride (DT)
Call trace:
dump_backtrace+0xac/0x130
show_stack+0x1c/0x30
dump_stack_lvl+0xac/0xe8
dump_stack+0x18/0x30
__might_resched+0x3bc/0x4fc
rt_spin_lock+0x8c/0x1a4
__bpf_ringbuf_reserve+0xc4/0x254
bpf_ringbuf_reserve_dynptr+0x5c/0xdc
bpf_prog_ac3d15160d62622a_test_read_write+0x104/0x238
trace_call_bpf+0x238/0x774
perf_call_bpf_enter.isra.0+0x104/0x194
perf_syscall_enter+0x2f8/0x510
trace_sys_enter+0x39c/0x564
syscall_trace_enter+0x220/0x3c0
do_el0_svc+0x138/0x1dc
el0_svc+0x54/0x130
el0t_64_sync_handler+0x134/0x150
el0t_64_sync+0x17c/0x180
Switch the spinlock to raw_spinlock_t to avoid this error.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-53082 (GCVE-0-2024-53082)
Vulnerability from cvelistv5
Published
2024-11-19 17:45
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
virtio_net: Add hash_key_length check
Add hash_key_length check in virtnet_probe() to avoid possible out of
bound errors when setting/reading the hash key.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50158 (GCVE-0-2024-50158)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/bnxt_re: Fix out of bound check
Driver exports pacing stats only on GenP5 and P7 adapters. But while
parsing the pacing stats, driver has a check for "rdev->dbr_pacing". This
caused a trace when KASAN is enabled.
BUG: KASAN: slab-out-of-bounds in bnxt_re_get_hw_stats+0x2b6a/0x2e00 [bnxt_re]
Write of size 8 at addr ffff8885942a6340 by task modprobe/4809
References
Impacted products
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CVE-2024-49851 (GCVE-0-2024-49851)
Vulnerability from cvelistv5
Published
2024-10-21 12:18
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tpm: Clean up TPM space after command failure
tpm_dev_transmit prepares the TPM space before attempting command
transmission. However if the command fails no rollback of this
preparation is done. This can result in transient handles being leaked
if the device is subsequently closed with no further commands performed.
Fix this by flushing the space in the event of command transmission
failure.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 745b361e989af21ad40811c2586b60229f870a68 Version: 745b361e989af21ad40811c2586b60229f870a68 Version: 745b361e989af21ad40811c2586b60229f870a68 Version: 745b361e989af21ad40811c2586b60229f870a68 Version: 745b361e989af21ad40811c2586b60229f870a68 Version: 745b361e989af21ad40811c2586b60229f870a68 Version: 745b361e989af21ad40811c2586b60229f870a68 Version: 745b361e989af21ad40811c2586b60229f870a68 |
||
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CVE-2024-49861 (GCVE-0-2024-49861)
Vulnerability from cvelistv5
Published
2024-10-21 12:27
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix helper writes to read-only maps
Lonial found an issue that despite user- and BPF-side frozen BPF map
(like in case of .rodata), it was still possible to write into it from
a BPF program side through specific helpers having ARG_PTR_TO_{LONG,INT}
as arguments.
In check_func_arg() when the argument is as mentioned, the meta->raw_mode
is never set. Later, check_helper_mem_access(), under the case of
PTR_TO_MAP_VALUE as register base type, it assumes BPF_READ for the
subsequent call to check_map_access_type() and given the BPF map is
read-only it succeeds.
The helpers really need to be annotated as ARG_PTR_TO_{LONG,INT} | MEM_UNINIT
when results are written into them as opposed to read out of them. The
latter indicates that it's okay to pass a pointer to uninitialized memory
as the memory is written to anyway.
However, ARG_PTR_TO_{LONG,INT} is a special case of ARG_PTR_TO_FIXED_SIZE_MEM
just with additional alignment requirement. So it is better to just get
rid of the ARG_PTR_TO_{LONG,INT} special cases altogether and reuse the
fixed size memory types. For this, add MEM_ALIGNED to additionally ensure
alignment given these helpers write directly into the args via *<ptr> = val.
The .arg*_size has been initialized reflecting the actual sizeof(*<ptr>).
MEM_ALIGNED can only be used in combination with MEM_FIXED_SIZE annotated
argument types, since in !MEM_FIXED_SIZE cases the verifier does not know
the buffer size a priori and therefore cannot blindly write *<ptr> = val.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2022-48992 (GCVE-0-2022-48992)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ASoC: soc-pcm: Add NULL check in BE reparenting
Add NULL check in dpcm_be_reparent API, to handle
kernel NULL pointer dereference error.
The issue occurred in fuzzing test.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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||
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CVE-2023-52800 (GCVE-0-2023-52800)
Vulnerability from cvelistv5
Published
2024-05-21 15:31
Modified
2026-05-11 19:33
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath11k: fix htt pktlog locking
The ath11k active pdevs are protected by RCU but the htt pktlog handling
code calling ath11k_mac_get_ar_by_pdev_id() was not marked as a
read-side critical section.
Mark the code in question as an RCU read-side critical section to avoid
any potential use-after-free issues.
Compile tested only.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: d5c65159f2895379e11ca13f62feabe93278985d Version: d5c65159f2895379e11ca13f62feabe93278985d Version: d5c65159f2895379e11ca13f62feabe93278985d Version: d5c65159f2895379e11ca13f62feabe93278985d Version: d5c65159f2895379e11ca13f62feabe93278985d Version: d5c65159f2895379e11ca13f62feabe93278985d |
||
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CVE-2022-49017 (GCVE-0-2022-49017)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tipc: re-fetch skb cb after tipc_msg_validate
As the call trace shows, the original skb was freed in tipc_msg_validate(),
and dereferencing the old skb cb would cause an use-after-free crash.
BUG: KASAN: use-after-free in tipc_crypto_rcv_complete+0x1835/0x2240 [tipc]
Call Trace:
<IRQ>
tipc_crypto_rcv_complete+0x1835/0x2240 [tipc]
tipc_crypto_rcv+0xd32/0x1ec0 [tipc]
tipc_rcv+0x744/0x1150 [tipc]
...
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__alloc_skb+0x1c1/0x270
tipc_buf_acquire+0x1e/0xe0 [tipc]
tipc_msg_create+0x33/0x1c0 [tipc]
tipc_link_build_proto_msg+0x38a/0x2100 [tipc]
tipc_link_timeout+0x8b8/0xef0 [tipc]
tipc_node_timeout+0x2a1/0x960 [tipc]
call_timer_fn+0x2d/0x1c0
...
Freed by task 47078:
tipc_msg_validate+0x7b/0x440 [tipc]
tipc_crypto_rcv_complete+0x4b5/0x2240 [tipc]
tipc_crypto_rcv+0xd32/0x1ec0 [tipc]
tipc_rcv+0x744/0x1150 [tipc]
This patch fixes it by re-fetching the skb cb from the new allocated skb
after calling tipc_msg_validate().
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50205 (GCVE-0-2024-50205)
Vulnerability from cvelistv5
Published
2024-11-08 06:07
Modified
2026-05-12 12:00
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()
The step variable is initialized to zero. It is changed in the loop,
but if it's not changed it will remain zero. Add a variable check
before the division.
The observed behavior was introduced by commit 826b5de90c0b
("ALSA: firewire-lib: fix insufficient PCM rule for period/buffer size"),
and it is difficult to show that any of the interval parameters will
satisfy the snd_interval_test() condition with data from the
amdtp_rate_table[] table.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 826b5de90c0bca4e9de6231da9e1730480621588 Version: 826b5de90c0bca4e9de6231da9e1730480621588 Version: 826b5de90c0bca4e9de6231da9e1730480621588 Version: 826b5de90c0bca4e9de6231da9e1730480621588 Version: 826b5de90c0bca4e9de6231da9e1730480621588 Version: 826b5de90c0bca4e9de6231da9e1730480621588 Version: 826b5de90c0bca4e9de6231da9e1730480621588 |
||
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CVE-2024-47718 (GCVE-0-2024-47718)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw88: always wait for both firmware loading attempts
In 'rtw_wait_firmware_completion()', always wait for both (regular and
wowlan) firmware loading attempts. Otherwise if 'rtw_usb_intf_init()'
has failed in 'rtw_usb_probe()', 'rtw_usb_disconnect()' may issue
'ieee80211_free_hw()' when one of 'rtw_load_firmware_cb()' (usually
the wowlan one) is still in progress, causing UAF detected by KASAN.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
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CVE-2024-47731 (GCVE-0-2024-47731)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-11 20:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drivers/perf: Fix ali_drw_pmu driver interrupt status clearing
The alibaba_uncore_pmu driver forgot to clear all interrupt status
in the interrupt processing function. After the PMU counter overflow
interrupt occurred, an interrupt storm occurred, causing the system
to hang.
Therefore, clear the correct interrupt status in the interrupt handling
function to fix it.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49936 (GCVE-0-2024-49936)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/xen-netback: prevent UAF in xenvif_flush_hash()
During the list_for_each_entry_rcu iteration call of xenvif_flush_hash,
kfree_rcu does not exist inside the rcu read critical section, so if
kfree_rcu is called when the rcu grace period ends during the iteration,
UAF occurs when accessing head->next after the entry becomes free.
Therefore, to solve this, you need to change it to list_for_each_entry_safe.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 Version: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 Version: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 Version: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 Version: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 Version: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 Version: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 Version: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 |
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CVE-2024-49939 (GCVE-0-2024-49939)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw89: avoid to add interface to list twice when SER
If SER L2 occurs during the WoWLAN resume flow, the add interface flow
is triggered by ieee80211_reconfig(). However, due to
rtw89_wow_resume() return failure, it will cause the add interface flow
to be executed again, resulting in a double add list and causing a kernel
panic. Therefore, we have added a check to prevent double adding of the
list.
list_add double add: new=ffff99d6992e2010, prev=ffff99d6992e2010, next=ffff99d695302628.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:37!
invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 0 PID: 9 Comm: kworker/0:1 Tainted: G W O 6.6.30-02659-gc18865c4dfbd #1 770df2933251a0e3c888ba69d1053a817a6376a7
Hardware name: HP Grunt/Grunt, BIOS Google_Grunt.11031.169.0 06/24/2021
Workqueue: events_freezable ieee80211_restart_work [mac80211]
RIP: 0010:__list_add_valid_or_report+0x5e/0xb0
Code: c7 74 18 48 39 ce 74 13 b0 01 59 5a 5e 5f 41 58 41 59 41 5a 5d e9 e2 d6 03 00 cc 48 c7 c7 8d 4f 17 83 48 89 c2 e8 02 c0 00 00 <0f> 0b 48 c7 c7 aa 8c 1c 83 e8 f4 bf 00 00 0f 0b 48 c7 c7 c8 bc 12
RSP: 0018:ffffa91b8007bc50 EFLAGS: 00010246
RAX: 0000000000000058 RBX: ffff99d6992e0900 RCX: a014d76c70ef3900
RDX: ffffa91b8007bae8 RSI: 00000000ffffdfff RDI: 0000000000000001
RBP: ffffa91b8007bc88 R08: 0000000000000000 R09: ffffa91b8007bae0
R10: 00000000ffffdfff R11: ffffffff83a79800 R12: ffff99d695302060
R13: ffff99d695300900 R14: ffff99d6992e1be0 R15: ffff99d6992e2010
FS: 0000000000000000(0000) GS:ffff99d6aac00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000078fbdba43480 CR3: 000000010e464000 CR4: 00000000001506f0
Call Trace:
<TASK>
? __die_body+0x1f/0x70
? die+0x3d/0x60
? do_trap+0xa4/0x110
? __list_add_valid_or_report+0x5e/0xb0
? do_error_trap+0x6d/0x90
? __list_add_valid_or_report+0x5e/0xb0
? handle_invalid_op+0x30/0x40
? __list_add_valid_or_report+0x5e/0xb0
? exc_invalid_op+0x3c/0x50
? asm_exc_invalid_op+0x16/0x20
? __list_add_valid_or_report+0x5e/0xb0
rtw89_ops_add_interface+0x309/0x310 [rtw89_core 7c32b1ee6854761c0321027c8a58c5160e41f48f]
drv_add_interface+0x5c/0x130 [mac80211 83e989e6e616bd5b4b8a2b0a9f9352a2c385a3bc]
ieee80211_reconfig+0x241/0x13d0 [mac80211 83e989e6e616bd5b4b8a2b0a9f9352a2c385a3bc]
? finish_wait+0x3e/0x90
? synchronize_rcu_expedited+0x174/0x260
? sync_rcu_exp_done_unlocked+0x50/0x50
? wake_bit_function+0x40/0x40
ieee80211_restart_work+0xf0/0x140 [mac80211 83e989e6e616bd5b4b8a2b0a9f9352a2c385a3bc]
process_scheduled_works+0x1e5/0x480
worker_thread+0xea/0x1e0
kthread+0xdb/0x110
? move_linked_works+0x90/0x90
? kthread_associate_blkcg+0xa0/0xa0
ret_from_fork+0x3b/0x50
? kthread_associate_blkcg+0xa0/0xa0
ret_from_fork_asm+0x11/0x20
</TASK>
Modules linked in: dm_integrity async_xor xor async_tx lz4 lz4_compress zstd zstd_compress zram zsmalloc rfcomm cmac uinput algif_hash algif_skcipher af_alg btusb btrtl iio_trig_hrtimer industrialio_sw_trigger btmtk industrialio_configfs btbcm btintel uvcvideo videobuf2_vmalloc iio_trig_sysfs videobuf2_memops videobuf2_v4l2 videobuf2_common uvc snd_hda_codec_hdmi veth snd_hda_intel snd_intel_dspcfg acpi_als snd_hda_codec industrialio_triggered_buffer kfifo_buf snd_hwdep industrialio i2c_piix4 snd_hda_core designware_i2s ip6table_nat snd_soc_max98357a xt_MASQUERADE xt_cgroup snd_soc_acp_rt5682_mach fuse rtw89_8922ae(O) rtw89_8922a(O) rtw89_pci(O) rtw89_core(O) 8021q mac80211(O) bluetooth ecdh_generic ecc cfg80211 r8152 mii joydev
gsmi: Log Shutdown Reason 0x03
---[ end trace 0000000000000000 ]---
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
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"other": {
"content": {
"id": "CVE-2024-49939",
"options": [
{
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},
{
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},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-22T13:38:00.571603Z",
"version": "2.0.3"
},
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}
}
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"dateUpdated": "2024-10-22T13:38:50.803Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T20:42:13.717Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/wireless/realtek/rtw89/mac80211.c",
"drivers/net/wireless/realtek/rtw89/util.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "b04650b5a9990cf5c0de480e62c68199f1396a04",
"status": "affected",
"version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd",
"versionType": "git"
},
{
"lessThan": "fdc73f2cfbe897f4733156df211d79ced649b23c",
"status": "affected",
"version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd",
"versionType": "git"
},
{
"lessThan": "37c319503023de49a4c87301c8998c8d928112cb",
"status": "affected",
"version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd",
"versionType": "git"
},
{
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"status": "affected",
"version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd",
"versionType": "git"
},
{
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"status": "affected",
"version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd",
"versionType": "git"
}
]
},
{
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"product": "Linux",
"programFiles": [
"drivers/net/wireless/realtek/rtw89/mac80211.c",
"drivers/net/wireless/realtek/rtw89/util.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.16"
},
{
"lessThan": "5.16",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.120",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.55",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.10.*",
"status": "unaffected",
"version": "6.10.14",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.120",
"versionStartIncluding": "5.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.55",
"versionStartIncluding": "5.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.10.14",
"versionStartIncluding": "5.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.11.3",
"versionStartIncluding": "5.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12",
"versionStartIncluding": "5.16",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: avoid to add interface to list twice when SER\n\nIf SER L2 occurs during the WoWLAN resume flow, the add interface flow\nis triggered by ieee80211_reconfig(). However, due to\nrtw89_wow_resume() return failure, it will cause the add interface flow\nto be executed again, resulting in a double add list and causing a kernel\npanic. Therefore, we have added a check to prevent double adding of the\nlist.\n\nlist_add double add: new=ffff99d6992e2010, prev=ffff99d6992e2010, next=ffff99d695302628.\n------------[ cut here ]------------\nkernel BUG at lib/list_debug.c:37!\ninvalid opcode: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 0 PID: 9 Comm: kworker/0:1 Tainted: G W O 6.6.30-02659-gc18865c4dfbd #1 770df2933251a0e3c888ba69d1053a817a6376a7\nHardware name: HP Grunt/Grunt, BIOS Google_Grunt.11031.169.0 06/24/2021\nWorkqueue: events_freezable ieee80211_restart_work [mac80211]\nRIP: 0010:__list_add_valid_or_report+0x5e/0xb0\nCode: c7 74 18 48 39 ce 74 13 b0 01 59 5a 5e 5f 41 58 41 59 41 5a 5d e9 e2 d6 03 00 cc 48 c7 c7 8d 4f 17 83 48 89 c2 e8 02 c0 00 00 \u003c0f\u003e 0b 48 c7 c7 aa 8c 1c 83 e8 f4 bf 00 00 0f 0b 48 c7 c7 c8 bc 12\nRSP: 0018:ffffa91b8007bc50 EFLAGS: 00010246\nRAX: 0000000000000058 RBX: ffff99d6992e0900 RCX: a014d76c70ef3900\nRDX: ffffa91b8007bae8 RSI: 00000000ffffdfff RDI: 0000000000000001\nRBP: ffffa91b8007bc88 R08: 0000000000000000 R09: ffffa91b8007bae0\nR10: 00000000ffffdfff R11: ffffffff83a79800 R12: ffff99d695302060\nR13: ffff99d695300900 R14: ffff99d6992e1be0 R15: ffff99d6992e2010\nFS: 0000000000000000(0000) GS:ffff99d6aac00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000078fbdba43480 CR3: 000000010e464000 CR4: 00000000001506f0\nCall Trace:\n \u003cTASK\u003e\n ? __die_body+0x1f/0x70\n ? die+0x3d/0x60\n ? do_trap+0xa4/0x110\n ? __list_add_valid_or_report+0x5e/0xb0\n ? do_error_trap+0x6d/0x90\n ? __list_add_valid_or_report+0x5e/0xb0\n ? handle_invalid_op+0x30/0x40\n ? __list_add_valid_or_report+0x5e/0xb0\n ? exc_invalid_op+0x3c/0x50\n ? asm_exc_invalid_op+0x16/0x20\n ? __list_add_valid_or_report+0x5e/0xb0\n rtw89_ops_add_interface+0x309/0x310 [rtw89_core 7c32b1ee6854761c0321027c8a58c5160e41f48f]\n drv_add_interface+0x5c/0x130 [mac80211 83e989e6e616bd5b4b8a2b0a9f9352a2c385a3bc]\n ieee80211_reconfig+0x241/0x13d0 [mac80211 83e989e6e616bd5b4b8a2b0a9f9352a2c385a3bc]\n ? finish_wait+0x3e/0x90\n ? synchronize_rcu_expedited+0x174/0x260\n ? sync_rcu_exp_done_unlocked+0x50/0x50\n ? wake_bit_function+0x40/0x40\n ieee80211_restart_work+0xf0/0x140 [mac80211 83e989e6e616bd5b4b8a2b0a9f9352a2c385a3bc]\n process_scheduled_works+0x1e5/0x480\n worker_thread+0xea/0x1e0\n kthread+0xdb/0x110\n ? move_linked_works+0x90/0x90\n ? kthread_associate_blkcg+0xa0/0xa0\n ret_from_fork+0x3b/0x50\n ? kthread_associate_blkcg+0xa0/0xa0\n ret_from_fork_asm+0x11/0x20\n \u003c/TASK\u003e\nModules linked in: dm_integrity async_xor xor async_tx lz4 lz4_compress zstd zstd_compress zram zsmalloc rfcomm cmac uinput algif_hash algif_skcipher af_alg btusb btrtl iio_trig_hrtimer industrialio_sw_trigger btmtk industrialio_configfs btbcm btintel uvcvideo videobuf2_vmalloc iio_trig_sysfs videobuf2_memops videobuf2_v4l2 videobuf2_common uvc snd_hda_codec_hdmi veth snd_hda_intel snd_intel_dspcfg acpi_als snd_hda_codec industrialio_triggered_buffer kfifo_buf snd_hwdep industrialio i2c_piix4 snd_hda_core designware_i2s ip6table_nat snd_soc_max98357a xt_MASQUERADE xt_cgroup snd_soc_acp_rt5682_mach fuse rtw89_8922ae(O) rtw89_8922a(O) rtw89_pci(O) rtw89_core(O) 8021q mac80211(O) bluetooth ecdh_generic ecc cfg80211 r8152 mii joydev\ngsmi: Log Shutdown Reason 0x03\n---[ end trace 0000000000000000 ]---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:A - rtw89 is the Realtek 802.11ax driver; the attacker must be within Wi-Fi radio range to inject the deauth/magic-packet/pattern frames that force the WoWLAN wake and to flood the frames that drive the offloaded firmware into the fault/watchdog path feeding rtw89_ser_notify(). This matches the standard Adjacent classification for WiFi frame injection.\nAC:L - The attacker controls both halves \u2014 choosing when the resume flow begins via an unauthenticated deauth or magic packet, and injecting traffic to stress the WoWLAN firmware into an L2/watchdog event, with unlimited free retries. Once SER L2 lands in the resume window the double list_add is deterministic, because mac80211 explicitly skips cancel_work_sync(\u0026local-\u003erestart_work) when reconfig_due_to_wowlan is set, so no memory-layout race must be won.\nPR:N - No credentials or privileges on the target are required; deauth and WoWLAN wake frames are accepted pre-association from an unauthenticated peer. The entire path is driver-internal suspend/resume and SER machinery with no capability check anywhere along it.\nUI:N - Suspend happens automatically on idle timeout or lid close, and the wake itself is attacker-initiated via the WoWLAN trigger frame. No victim action is needed at exploit time.\nS:U - The corruption is confined to kernel memory and the kernel\u0027s own security authority, with no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - On builds without CONFIG_DEBUG_LIST the corrupted list leaves rtwvifs_list.next dangling into the freed sdata/drv_priv allocation after interface removal, and the driver dereferences and copies out of that freed object across ~28 rtw89_for_each_rtwvif() sites. Per kernel scoring guidance a use-after-free is High, since control of the reallocated object yields an arbitrary-read primitive.\nI:H - The same stale list head gives a write primitive \u2014 rtw89_traffic_stats_calc(rtwdev, \u0026rtwvif-\u003estats), rtw89_mac_vif_init(), and ser_reset_vif() all write into the freed object \u2014 and the corrupted list_head is itself an attacker-groomable pointer pair on a readily sprayed multi-KB slab allocation.\nA:H - The commit documents a hard kernel panic (BUG() at lib/list_debug.c:37) on hardened builds; on other builds the self-referential list makes rtw89_for_each_rtwvif() loop forever while holding rtwdev-\u003emutex, producing a hard lockup. Either outcome takes the machine down."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T11:40:34.332Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/b04650b5a9990cf5c0de480e62c68199f1396a04"
},
{
"url": "https://git.kernel.org/stable/c/fdc73f2cfbe897f4733156df211d79ced649b23c"
},
{
"url": "https://git.kernel.org/stable/c/37c319503023de49a4c87301c8998c8d928112cb"
},
{
"url": "https://git.kernel.org/stable/c/490eddc836b2a6ec286e5df14bed4c7cf5e1f475"
},
{
"url": "https://git.kernel.org/stable/c/7dd5d2514a8ea58f12096e888b0bd050d7eae20a"
}
],
"title": "wifi: rtw89: avoid to add interface to list twice when SER",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-49939",
"datePublished": "2024-10-21T18:01:59.011Z",
"dateReserved": "2024-10-21T12:17:06.043Z",
"dateUpdated": "2026-08-05T11:40:34.332Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-46719 (GCVE-0-2024-46719)
Vulnerability from cvelistv5
Published
2024-09-18 06:32
Modified
2026-05-11 20:35
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: ucsi: Fix null pointer dereference in trace
ucsi_register_altmode checks IS_ERR for the alt pointer and treats
NULL as valid. When CONFIG_TYPEC_DP_ALTMODE is not enabled,
ucsi_register_displayport returns NULL which causes a NULL pointer
dereference in trace. Rather than return NULL, call
typec_port_register_altmode to register DisplayPort alternate mode
as a non-controllable mode when CONFIG_TYPEC_DP_ALTMODE is not enabled.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: af8622f6a585d8d82b11cd7987e082861fd0edd3 Version: af8622f6a585d8d82b11cd7987e082861fd0edd3 Version: af8622f6a585d8d82b11cd7987e082861fd0edd3 Version: af8622f6a585d8d82b11cd7987e082861fd0edd3 Version: af8622f6a585d8d82b11cd7987e082861fd0edd3 Version: af8622f6a585d8d82b11cd7987e082861fd0edd3 Version: af8622f6a585d8d82b11cd7987e082861fd0edd3 |
||
{
"containers": {
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{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-46719",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-29T14:57:21.735008Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-29T14:57:35.846Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:16:52.599Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/usb/typec/ucsi/ucsi.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "8095bf0579ed4906a33f7bec675bfb29b6b16a3b",
"status": "affected",
"version": "af8622f6a585d8d82b11cd7987e082861fd0edd3",
"versionType": "git"
},
{
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"status": "affected",
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"versionType": "git"
},
{
"lessThan": "3aa56313b0de06ce1911950b2cc0c269614a87a9",
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"versionType": "git"
},
{
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"status": "affected",
"version": "af8622f6a585d8d82b11cd7987e082861fd0edd3",
"versionType": "git"
},
{
"lessThan": "3b9f2d9301ae67070fe77a0c06758722fd7172b7",
"status": "affected",
"version": "af8622f6a585d8d82b11cd7987e082861fd0edd3",
"versionType": "git"
},
{
"lessThan": "99331fe68a8eaa4097143a33fb0c12d5e5e8e830",
"status": "affected",
"version": "af8622f6a585d8d82b11cd7987e082861fd0edd3",
"versionType": "git"
},
{
"lessThan": "99516f76db48e1a9d54cdfed63c1babcee4e71a5",
"status": "affected",
"version": "af8622f6a585d8d82b11cd7987e082861fd0edd3",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/usb/typec/ucsi/ucsi.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.2"
},
{
"lessThan": "5.2",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
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CVE-2024-47687 (GCVE-0-2024-47687)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vdpa/mlx5: Fix invalid mr resource destroy
Certain error paths from mlx5_vdpa_dev_add() can end up releasing mr
resources which never got initialized in the first place.
This patch adds the missing check in mlx5_vdpa_destroy_mr_resources()
to block releasing non-initialized mr resources.
Reference trace:
mlx5_core 0000:08:00.2: mlx5_vdpa_dev_add:3274:(pid 2700) warning: No mac address provisioned?
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 140216067 P4D 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 8 PID: 2700 Comm: vdpa Kdump: loaded Not tainted 5.14.0-496.el9.x86_64 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
RIP: 0010:vhost_iotlb_del_range+0xf/0xe0 [vhost_iotlb]
Code: [...]
RSP: 0018:ff1c823ac23077f0 EFLAGS: 00010246
RAX: ffffffffc1a21a60 RBX: ffffffff899567a0 RCX: 0000000000000000
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000000000000
RBP: ff1bda1f7c21e800 R08: 0000000000000000 R09: ff1c823ac2307670
R10: ff1c823ac2307668 R11: ffffffff8a9e7b68 R12: 0000000000000000
R13: 0000000000000000 R14: ff1bda1f43e341a0 R15: 00000000ffffffea
FS: 00007f56eba7c740(0000) GS:ff1bda269f800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000104d90001 CR4: 0000000000771ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
? show_trace_log_lvl+0x1c4/0x2df
? show_trace_log_lvl+0x1c4/0x2df
? mlx5_vdpa_free+0x3d/0x150 [mlx5_vdpa]
? __die_body.cold+0x8/0xd
? page_fault_oops+0x134/0x170
? __irq_work_queue_local+0x2b/0xc0
? irq_work_queue+0x2c/0x50
? exc_page_fault+0x62/0x150
? asm_exc_page_fault+0x22/0x30
? __pfx_mlx5_vdpa_free+0x10/0x10 [mlx5_vdpa]
? vhost_iotlb_del_range+0xf/0xe0 [vhost_iotlb]
mlx5_vdpa_free+0x3d/0x150 [mlx5_vdpa]
vdpa_release_dev+0x1e/0x50 [vdpa]
device_release+0x31/0x90
kobject_cleanup+0x37/0x130
mlx5_vdpa_dev_add+0x2d2/0x7a0 [mlx5_vdpa]
vdpa_nl_cmd_dev_add_set_doit+0x277/0x4c0 [vdpa]
genl_family_rcv_msg_doit+0xd9/0x130
genl_family_rcv_msg+0x14d/0x220
? __pfx_vdpa_nl_cmd_dev_add_set_doit+0x10/0x10 [vdpa]
? _copy_to_user+0x1a/0x30
? move_addr_to_user+0x4b/0xe0
genl_rcv_msg+0x47/0xa0
? __import_iovec+0x46/0x150
? __pfx_genl_rcv_msg+0x10/0x10
netlink_rcv_skb+0x54/0x100
genl_rcv+0x24/0x40
netlink_unicast+0x245/0x370
netlink_sendmsg+0x206/0x440
__sys_sendto+0x1dc/0x1f0
? do_read_fault+0x10c/0x1d0
? do_pte_missing+0x10d/0x190
__x64_sys_sendto+0x20/0x30
do_syscall_64+0x5c/0xf0
? __count_memcg_events+0x4f/0xb0
? mm_account_fault+0x6c/0x100
? handle_mm_fault+0x116/0x270
? do_user_addr_fault+0x1d6/0x6a0
? do_syscall_64+0x6b/0xf0
? clear_bhb_loop+0x25/0x80
? clear_bhb_loop+0x25/0x80
? clear_bhb_loop+0x25/0x80
? clear_bhb_loop+0x25/0x80
? clear_bhb_loop+0x25/0x80
entry_SYSCALL_64_after_hwframe+0x78/0x80
References
Impacted products
{
"containers": {
"adp": [
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvdpa/mlx5: Fix invalid mr resource destroy\n\nCertain error paths from mlx5_vdpa_dev_add() can end up releasing mr\nresources which never got initialized in the first place.\n\nThis patch adds the missing check in mlx5_vdpa_destroy_mr_resources()\nto block releasing non-initialized mr resources.\n\nReference trace:\n\n mlx5_core 0000:08:00.2: mlx5_vdpa_dev_add:3274:(pid 2700) warning: No mac address provisioned?\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 140216067 P4D 0\n Oops: 0000 [#1] PREEMPT SMP NOPTI\n CPU: 8 PID: 2700 Comm: vdpa Kdump: loaded Not tainted 5.14.0-496.el9.x86_64 #1\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n RIP: 0010:vhost_iotlb_del_range+0xf/0xe0 [vhost_iotlb]\n Code: [...]\n RSP: 0018:ff1c823ac23077f0 EFLAGS: 00010246\n RAX: ffffffffc1a21a60 RBX: ffffffff899567a0 RCX: 0000000000000000\n RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000000000000\n RBP: ff1bda1f7c21e800 R08: 0000000000000000 R09: ff1c823ac2307670\n R10: ff1c823ac2307668 R11: ffffffff8a9e7b68 R12: 0000000000000000\n R13: 0000000000000000 R14: ff1bda1f43e341a0 R15: 00000000ffffffea\n FS: 00007f56eba7c740(0000) GS:ff1bda269f800000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000000 CR3: 0000000104d90001 CR4: 0000000000771ef0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n PKRU: 55555554\n Call Trace:\n\n ? show_trace_log_lvl+0x1c4/0x2df\n ? show_trace_log_lvl+0x1c4/0x2df\n ? mlx5_vdpa_free+0x3d/0x150 [mlx5_vdpa]\n ? __die_body.cold+0x8/0xd\n ? page_fault_oops+0x134/0x170\n ? __irq_work_queue_local+0x2b/0xc0\n ? irq_work_queue+0x2c/0x50\n ? exc_page_fault+0x62/0x150\n ? asm_exc_page_fault+0x22/0x30\n ? __pfx_mlx5_vdpa_free+0x10/0x10 [mlx5_vdpa]\n ? vhost_iotlb_del_range+0xf/0xe0 [vhost_iotlb]\n mlx5_vdpa_free+0x3d/0x150 [mlx5_vdpa]\n vdpa_release_dev+0x1e/0x50 [vdpa]\n device_release+0x31/0x90\n kobject_cleanup+0x37/0x130\n mlx5_vdpa_dev_add+0x2d2/0x7a0 [mlx5_vdpa]\n vdpa_nl_cmd_dev_add_set_doit+0x277/0x4c0 [vdpa]\n genl_family_rcv_msg_doit+0xd9/0x130\n genl_family_rcv_msg+0x14d/0x220\n ? __pfx_vdpa_nl_cmd_dev_add_set_doit+0x10/0x10 [vdpa]\n ? _copy_to_user+0x1a/0x30\n ? move_addr_to_user+0x4b/0xe0\n genl_rcv_msg+0x47/0xa0\n ? __import_iovec+0x46/0x150\n ? __pfx_genl_rcv_msg+0x10/0x10\n netlink_rcv_skb+0x54/0x100\n genl_rcv+0x24/0x40\n netlink_unicast+0x245/0x370\n netlink_sendmsg+0x206/0x440\n __sys_sendto+0x1dc/0x1f0\n ? do_read_fault+0x10c/0x1d0\n ? do_pte_missing+0x10d/0x190\n __x64_sys_sendto+0x20/0x30\n do_syscall_64+0x5c/0xf0\n ? __count_memcg_events+0x4f/0xb0\n ? mm_account_fault+0x6c/0x100\n ? handle_mm_fault+0x116/0x270\n ? do_user_addr_fault+0x1d6/0x6a0\n ? do_syscall_64+0x6b/0xf0\n ? clear_bhb_loop+0x25/0x80\n ? clear_bhb_loop+0x25/0x80\n ? clear_bhb_loop+0x25/0x80\n ? clear_bhb_loop+0x25/0x80\n ? clear_bhb_loop+0x25/0x80\n entry_SYSCALL_64_after_hwframe+0x78/0x80"
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"x_generator": {
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"datePublished": "2024-10-21T11:53:27.834Z",
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"state": "PUBLISHED"
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CVE-2024-46770 (GCVE-0-2024-46770)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-06-01 16:04
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: Add netif_device_attach/detach into PF reset flow
Ethtool callbacks can be executed while reset is in progress and try to
access deleted resources, e.g. getting coalesce settings can result in a
NULL pointer dereference seen below.
Reproduction steps:
Once the driver is fully initialized, trigger reset:
# echo 1 > /sys/class/net/<interface>/device/reset
when reset is in progress try to get coalesce settings using ethtool:
# ethtool -c <interface>
BUG: kernel NULL pointer dereference, address: 0000000000000020
PGD 0 P4D 0
Oops: Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 11 PID: 19713 Comm: ethtool Tainted: G S 6.10.0-rc7+ #7
RIP: 0010:ice_get_q_coalesce+0x2e/0xa0 [ice]
RSP: 0018:ffffbab1e9bcf6a8 EFLAGS: 00010206
RAX: 000000000000000c RBX: ffff94512305b028 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9451c3f2e588 RDI: ffff9451c3f2e588
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffff9451c3f2e580 R11: 000000000000001f R12: ffff945121fa9000
R13: ffffbab1e9bcf760 R14: 0000000000000013 R15: ffffffff9e65dd40
FS: 00007faee5fbe740(0000) GS:ffff94546fd80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000020 CR3: 0000000106c2e005 CR4: 00000000001706f0
Call Trace:
<TASK>
ice_get_coalesce+0x17/0x30 [ice]
coalesce_prepare_data+0x61/0x80
ethnl_default_doit+0xde/0x340
genl_family_rcv_msg_doit+0xf2/0x150
genl_rcv_msg+0x1b3/0x2c0
netlink_rcv_skb+0x5b/0x110
genl_rcv+0x28/0x40
netlink_unicast+0x19c/0x290
netlink_sendmsg+0x222/0x490
__sys_sendto+0x1df/0x1f0
__x64_sys_sendto+0x24/0x30
do_syscall_64+0x82/0x160
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7faee60d8e27
Calling netif_device_detach() before reset makes the net core not call
the driver when ethtool command is issued, the attempt to execute an
ethtool command during reset will result in the following message:
netlink error: No such device
instead of NULL pointer dereference. Once reset is done and
ice_rebuild() is executing, the netif_device_attach() is called to allow
for ethtool operations to occur again in a safe manner.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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},
"title": "CISA ADP Vulnrichment"
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{
"providerMetadata": {
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"references": [
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}
],
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}
],
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"programFiles": [
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: Add netif_device_attach/detach into PF reset flow\n\nEthtool callbacks can be executed while reset is in progress and try to\naccess deleted resources, e.g. getting coalesce settings can result in a\nNULL pointer dereference seen below.\n\nReproduction steps:\nOnce the driver is fully initialized, trigger reset:\n\t# echo 1 \u003e /sys/class/net/\u003cinterface\u003e/device/reset\nwhen reset is in progress try to get coalesce settings using ethtool:\n\t# ethtool -c \u003cinterface\u003e\n\nBUG: kernel NULL pointer dereference, address: 0000000000000020\nPGD 0 P4D 0\nOops: Oops: 0000 [#1] PREEMPT SMP PTI\nCPU: 11 PID: 19713 Comm: ethtool Tainted: G S 6.10.0-rc7+ #7\nRIP: 0010:ice_get_q_coalesce+0x2e/0xa0 [ice]\nRSP: 0018:ffffbab1e9bcf6a8 EFLAGS: 00010206\nRAX: 000000000000000c RBX: ffff94512305b028 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: ffff9451c3f2e588 RDI: ffff9451c3f2e588\nRBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\nR10: ffff9451c3f2e580 R11: 000000000000001f R12: ffff945121fa9000\nR13: ffffbab1e9bcf760 R14: 0000000000000013 R15: ffffffff9e65dd40\nFS: 00007faee5fbe740(0000) GS:ffff94546fd80000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000020 CR3: 0000000106c2e005 CR4: 00000000001706f0\nCall Trace:\n\u003cTASK\u003e\nice_get_coalesce+0x17/0x30 [ice]\ncoalesce_prepare_data+0x61/0x80\nethnl_default_doit+0xde/0x340\ngenl_family_rcv_msg_doit+0xf2/0x150\ngenl_rcv_msg+0x1b3/0x2c0\nnetlink_rcv_skb+0x5b/0x110\ngenl_rcv+0x28/0x40\nnetlink_unicast+0x19c/0x290\nnetlink_sendmsg+0x222/0x490\n__sys_sendto+0x1df/0x1f0\n__x64_sys_sendto+0x24/0x30\ndo_syscall_64+0x82/0x160\nentry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x7faee60d8e27\n\nCalling netif_device_detach() before reset makes the net core not call\nthe driver when ethtool command is issued, the attempt to execute an\nethtool command during reset will result in the following message:\n\n netlink error: No such device\n\ninstead of NULL pointer dereference. Once reset is done and\nice_rebuild() is executing, the netif_device_attach() is called to allow\nfor ethtool operations to occur again in a safe manner."
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CVE-2024-49919 (GCVE-0-2024-49919)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add null check for head_pipe in dcn201_acquire_free_pipe_for_layer
This commit addresses a potential null pointer dereference issue in the
`dcn201_acquire_free_pipe_for_layer` function. The issue could occur
when `head_pipe` is null.
The fix adds a check to ensure `head_pipe` is not null before asserting
it. If `head_pipe` is null, the function returns NULL to prevent a
potential null pointer dereference.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn201/dcn201_resource.c:1016 dcn201_acquire_free_pipe_for_layer() error: we previously assumed 'head_pipe' could be null (see line 1010)
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49973 (GCVE-0-2024-49973)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
r8169: add tally counter fields added with RTL8125
RTL8125 added fields to the tally counter, what may result in the chip
dma'ing these new fields to unallocated memory. Therefore make sure
that the allocated memory area is big enough to hold all of the
tally counter values, even if we use only parts of it.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-49966 (GCVE-0-2024-49966)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: cancel dqi_sync_work before freeing oinfo
ocfs2_global_read_info() will initialize and schedule dqi_sync_work at the
end, if error occurs after successfully reading global quota, it will
trigger the following warning with CONFIG_DEBUG_OBJECTS_* enabled:
ODEBUG: free active (active state 0) object: 00000000d8b0ce28 object type: timer_list hint: qsync_work_fn+0x0/0x16c
This reports that there is an active delayed work when freeing oinfo in
error handling, so cancel dqi_sync_work first. BTW, return status instead
of -1 when .read_file_info fails.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 Version: 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 Version: 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 Version: 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 Version: 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 Version: 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 Version: 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 Version: 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 Version: 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 |
||
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CVE-2024-26801 (GCVE-0-2024-26801)
Vulnerability from cvelistv5
Published
2024-04-04 08:20
Modified
2026-08-05 11:27
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: Avoid potential use-after-free in hci_error_reset
While handling the HCI_EV_HARDWARE_ERROR event, if the underlying
BT controller is not responding, the GPIO reset mechanism would
free the hci_dev and lead to a use-after-free in hci_error_reset.
Here's the call trace observed on a ChromeOS device with Intel AX201:
queue_work_on+0x3e/0x6c
__hci_cmd_sync_sk+0x2ee/0x4c0 [bluetooth <HASH:3b4a6>]
? init_wait_entry+0x31/0x31
__hci_cmd_sync+0x16/0x20 [bluetooth <HASH:3b4a 6>]
hci_error_reset+0x4f/0xa4 [bluetooth <HASH:3b4a 6>]
process_one_work+0x1d8/0x33f
worker_thread+0x21b/0x373
kthread+0x13a/0x152
? pr_cont_work+0x54/0x54
? kthread_blkcg+0x31/0x31
ret_from_fork+0x1f/0x30
This patch holds the reference count on the hci_dev while processing
a HCI_EV_HARDWARE_ERROR event to avoid potential crash.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: c7741d16a57cbf97eebe53f27e8216b1ff20e20c Version: c7741d16a57cbf97eebe53f27e8216b1ff20e20c Version: c7741d16a57cbf97eebe53f27e8216b1ff20e20c Version: c7741d16a57cbf97eebe53f27e8216b1ff20e20c Version: c7741d16a57cbf97eebe53f27e8216b1ff20e20c Version: c7741d16a57cbf97eebe53f27e8216b1ff20e20c Version: c7741d16a57cbf97eebe53f27e8216b1ff20e20c Version: c7741d16a57cbf97eebe53f27e8216b1ff20e20c |
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CVE-2024-47720 (GCVE-0-2024-47720)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-11 20:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add null check for set_output_gamma in dcn30_set_output_transfer_func
This commit adds a null check for the set_output_gamma function pointer
in the dcn30_set_output_transfer_func function. Previously,
set_output_gamma was being checked for nullity at line 386, but then it
was being dereferenced without any nullity check at line 401. This
could potentially lead to a null pointer dereference error if
set_output_gamma is indeed null.
To fix this, we now ensure that set_output_gamma is not null before
dereferencing it. We do this by adding a nullity check for
set_output_gamma before the call to set_output_gamma at line 401. If
set_output_gamma is null, we log an error message and do not call the
function.
This fix prevents a potential null pointer dereference error.
drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn30/dcn30_hwseq.c:401 dcn30_set_output_transfer_func()
error: we previously assumed 'mpc->funcs->set_output_gamma' could be null (see line 386)
drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn30/dcn30_hwseq.c
373 bool dcn30_set_output_transfer_func(struct dc *dc,
374 struct pipe_ctx *pipe_ctx,
375 const struct dc_stream_state *stream)
376 {
377 int mpcc_id = pipe_ctx->plane_res.hubp->inst;
378 struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
379 const struct pwl_params *params = NULL;
380 bool ret = false;
381
382 /* program OGAM or 3DLUT only for the top pipe*/
383 if (pipe_ctx->top_pipe == NULL) {
384 /*program rmu shaper and 3dlut in MPC*/
385 ret = dcn30_set_mpc_shaper_3dlut(pipe_ctx, stream);
386 if (ret == false && mpc->funcs->set_output_gamma) {
^^^^^^^^^^^^^^^^^^^^^^^^^^^^ If this is NULL
387 if (stream->out_transfer_func.type == TF_TYPE_HWPWL)
388 params = &stream->out_transfer_func.pwl;
389 else if (pipe_ctx->stream->out_transfer_func.type ==
390 TF_TYPE_DISTRIBUTED_POINTS &&
391 cm3_helper_translate_curve_to_hw_format(
392 &stream->out_transfer_func,
393 &mpc->blender_params, false))
394 params = &mpc->blender_params;
395 /* there are no ROM LUTs in OUTGAM */
396 if (stream->out_transfer_func.type == TF_TYPE_PREDEFINED)
397 BREAK_TO_DEBUGGER();
398 }
399 }
400
--> 401 mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Then it will crash
402 return ret;
403 }
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: d99f13878d6f9c286b13860d8bf0b4db9ffb189a Version: d99f13878d6f9c286b13860d8bf0b4db9ffb189a Version: d99f13878d6f9c286b13860d8bf0b4db9ffb189a Version: d99f13878d6f9c286b13860d8bf0b4db9ffb189a Version: d99f13878d6f9c286b13860d8bf0b4db9ffb189a Version: d99f13878d6f9c286b13860d8bf0b4db9ffb189a |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add null check for set_output_gamma in dcn30_set_output_transfer_func\n\nThis commit adds a null check for the set_output_gamma function pointer\nin the dcn30_set_output_transfer_func function. Previously,\nset_output_gamma was being checked for nullity at line 386, but then it\nwas being dereferenced without any nullity check at line 401. This\ncould potentially lead to a null pointer dereference error if\nset_output_gamma is indeed null.\n\nTo fix this, we now ensure that set_output_gamma is not null before\ndereferencing it. We do this by adding a nullity check for\nset_output_gamma before the call to set_output_gamma at line 401. If\nset_output_gamma is null, we log an error message and do not call the\nfunction.\n\nThis fix prevents a potential null pointer dereference error.\n\ndrivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn30/dcn30_hwseq.c:401 dcn30_set_output_transfer_func()\nerror: we previously assumed \u0027mpc-\u003efuncs-\u003eset_output_gamma\u0027 could be null (see line 386)\n\ndrivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn30/dcn30_hwseq.c\n 373 bool dcn30_set_output_transfer_func(struct dc *dc,\n 374 struct pipe_ctx *pipe_ctx,\n 375 const struct dc_stream_state *stream)\n 376 {\n 377 int mpcc_id = pipe_ctx-\u003eplane_res.hubp-\u003einst;\n 378 struct mpc *mpc = pipe_ctx-\u003estream_res.opp-\u003ectx-\u003edc-\u003eres_pool-\u003empc;\n 379 const struct pwl_params *params = NULL;\n 380 bool ret = false;\n 381\n 382 /* program OGAM or 3DLUT only for the top pipe*/\n 383 if (pipe_ctx-\u003etop_pipe == NULL) {\n 384 /*program rmu shaper and 3dlut in MPC*/\n 385 ret = dcn30_set_mpc_shaper_3dlut(pipe_ctx, stream);\n 386 if (ret == false \u0026\u0026 mpc-\u003efuncs-\u003eset_output_gamma) {\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ If this is NULL\n\n 387 if (stream-\u003eout_transfer_func.type == TF_TYPE_HWPWL)\n 388 params = \u0026stream-\u003eout_transfer_func.pwl;\n 389 else if (pipe_ctx-\u003estream-\u003eout_transfer_func.type ==\n 390 TF_TYPE_DISTRIBUTED_POINTS \u0026\u0026\n 391 cm3_helper_translate_curve_to_hw_format(\n 392 \u0026stream-\u003eout_transfer_func,\n 393 \u0026mpc-\u003eblender_params, false))\n 394 params = \u0026mpc-\u003eblender_params;\n 395 /* there are no ROM LUTs in OUTGAM */\n 396 if (stream-\u003eout_transfer_func.type == TF_TYPE_PREDEFINED)\n 397 BREAK_TO_DEBUGGER();\n 398 }\n 399 }\n 400\n--\u003e 401 mpc-\u003efuncs-\u003eset_output_gamma(mpc, mpcc_id, params);\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Then it will crash\n\n 402 return ret;\n 403 }"
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CVE-2024-49881 (GCVE-0-2024-49881)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: update orig_path in ext4_find_extent()
In ext4_find_extent(), if the path is not big enough, we free it and set
*orig_path to NULL. But after reallocating and successfully initializing
the path, we don't update *orig_path, in which case the caller gets a
valid path but a NULL ppath, and this may cause a NULL pointer dereference
or a path memory leak. For example:
ext4_split_extent
path = *ppath = 2000
ext4_find_extent
if (depth > path[0].p_maxdepth)
kfree(path = 2000);
*orig_path = path = NULL;
path = kcalloc() = 3000
ext4_split_extent_at(*ppath = NULL)
path = *ppath;
ex = path[depth].p_ext;
// NULL pointer dereference!
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000010
CPU: 6 UID: 0 PID: 576 Comm: fsstress Not tainted 6.11.0-rc2-dirty #847
RIP: 0010:ext4_split_extent_at+0x6d/0x560
Call Trace:
<TASK>
ext4_split_extent.isra.0+0xcb/0x1b0
ext4_ext_convert_to_initialized+0x168/0x6c0
ext4_ext_handle_unwritten_extents+0x325/0x4d0
ext4_ext_map_blocks+0x520/0xdb0
ext4_map_blocks+0x2b0/0x690
ext4_iomap_begin+0x20e/0x2c0
[...]
==================================================================
Therefore, *orig_path is updated when the extent lookup succeeds, so that
the caller can safely use path or *ppath.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 |
||
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CVE-2024-50006 (GCVE-0-2024-50006)
Vulnerability from cvelistv5
Published
2024-10-21 18:53
Modified
2026-05-12 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix i_data_sem unlock order in ext4_ind_migrate()
Fuzzing reports a possible deadlock in jbd2_log_wait_commit.
This issue is triggered when an EXT4_IOC_MIGRATE ioctl is set to require
synchronous updates because the file descriptor is opened with O_SYNC.
This can lead to the jbd2_journal_stop() function calling
jbd2_might_wait_for_commit(), potentially causing a deadlock if the
EXT4_IOC_MIGRATE call races with a write(2) system call.
This problem only arises when CONFIG_PROVE_LOCKING is enabled. In this
case, the jbd2_might_wait_for_commit macro locks jbd2_handle in the
jbd2_journal_stop function while i_data_sem is locked. This triggers
lockdep because the jbd2_journal_start function might also lock the same
jbd2_handle simultaneously.
Found by Linux Verification Center (linuxtesting.org) with syzkaller.
Rule: add
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e8238f9a8339b3578c85e4192a7a23bc2bdc0333 Version: e8238f9a8339b3578c85e4192a7a23bc2bdc0333 Version: e8238f9a8339b3578c85e4192a7a23bc2bdc0333 Version: e8238f9a8339b3578c85e4192a7a23bc2bdc0333 Version: e8238f9a8339b3578c85e4192a7a23bc2bdc0333 Version: e8238f9a8339b3578c85e4192a7a23bc2bdc0333 Version: e8238f9a8339b3578c85e4192a7a23bc2bdc0333 Version: e8238f9a8339b3578c85e4192a7a23bc2bdc0333 Version: e8238f9a8339b3578c85e4192a7a23bc2bdc0333 |
||
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CVE-2024-50172 (GCVE-0-2024-50172)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/bnxt_re: Fix a possible memory leak
In bnxt_re_setup_chip_ctx() when bnxt_qplib_map_db_bar() fails
driver is not freeing the memory allocated for "rdev->chip_ctx".
References
Impacted products
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CVE-2024-46788 (GCVE-0-2024-46788)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tracing/osnoise: Use a cpumask to know what threads are kthreads
The start_kthread() and stop_thread() code was not always called with the
interface_lock held. This means that the kthread variable could be
unexpectedly changed causing the kthread_stop() to be called on it when it
should not have been, leading to:
while true; do
rtla timerlat top -u -q & PID=$!;
sleep 5;
kill -INT $PID;
sleep 0.001;
kill -TERM $PID;
wait $PID;
done
Causing the following OOPS:
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 5 UID: 0 PID: 885 Comm: timerlatu/5 Not tainted 6.11.0-rc4-test-00002-gbc754cc76d1b-dirty #125 a533010b71dab205ad2f507188ce8c82203b0254
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:hrtimer_active+0x58/0x300
Code: 48 c1 ee 03 41 54 48 01 d1 48 01 d6 55 53 48 83 ec 20 80 39 00 0f 85 30 02 00 00 49 8b 6f 30 4c 8d 75 10 4c 89 f0 48 c1 e8 03 <0f> b6 3c 10 4c 89 f0 83 e0 07 83 c0 03 40 38 f8 7c 09 40 84 ff 0f
RSP: 0018:ffff88811d97f940 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffff88823c6b5b28 RCX: ffffed10478d6b6b
RDX: dffffc0000000000 RSI: ffffed10478d6b6c RDI: ffff88823c6b5b28
RBP: 0000000000000000 R08: ffff88823c6b5b58 R09: ffff88823c6b5b60
R10: ffff88811d97f957 R11: 0000000000000010 R12: 00000000000a801d
R13: ffff88810d8b35d8 R14: 0000000000000010 R15: ffff88823c6b5b28
FS: 0000000000000000(0000) GS:ffff88823c680000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561858ad7258 CR3: 000000007729e001 CR4: 0000000000170ef0
Call Trace:
<TASK>
? die_addr+0x40/0xa0
? exc_general_protection+0x154/0x230
? asm_exc_general_protection+0x26/0x30
? hrtimer_active+0x58/0x300
? __pfx_mutex_lock+0x10/0x10
? __pfx_locks_remove_file+0x10/0x10
hrtimer_cancel+0x15/0x40
timerlat_fd_release+0x8e/0x1f0
? security_file_release+0x43/0x80
__fput+0x372/0xb10
task_work_run+0x11e/0x1f0
? _raw_spin_lock+0x85/0xe0
? __pfx_task_work_run+0x10/0x10
? poison_slab_object+0x109/0x170
? do_exit+0x7a0/0x24b0
do_exit+0x7bd/0x24b0
? __pfx_migrate_enable+0x10/0x10
? __pfx_do_exit+0x10/0x10
? __pfx_read_tsc+0x10/0x10
? ktime_get+0x64/0x140
? _raw_spin_lock_irq+0x86/0xe0
do_group_exit+0xb0/0x220
get_signal+0x17ba/0x1b50
? vfs_read+0x179/0xa40
? timerlat_fd_read+0x30b/0x9d0
? __pfx_get_signal+0x10/0x10
? __pfx_timerlat_fd_read+0x10/0x10
arch_do_signal_or_restart+0x8c/0x570
? __pfx_arch_do_signal_or_restart+0x10/0x10
? vfs_read+0x179/0xa40
? ksys_read+0xfe/0x1d0
? __pfx_ksys_read+0x10/0x10
syscall_exit_to_user_mode+0xbc/0x130
do_syscall_64+0x74/0x110
? __pfx___rseq_handle_notify_resume+0x10/0x10
? __pfx_ksys_read+0x10/0x10
? fpregs_restore_userregs+0xdb/0x1e0
? fpregs_restore_userregs+0xdb/0x1e0
? syscall_exit_to_user_mode+0x116/0x130
? do_syscall_64+0x74/0x110
? do_syscall_64+0x74/0x110
? do_syscall_64+0x74/0x110
entry_SYSCALL_64_after_hwframe+0x71/0x79
RIP: 0033:0x7ff0070eca9c
Code: Unable to access opcode bytes at 0x7ff0070eca72.
RSP: 002b:00007ff006dff8c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007ff0070eca9c
RDX: 0000000000000400 RSI: 00007ff006dff9a0 RDI: 0000000000000003
RBP: 00007ff006dffde0 R08: 0000000000000000 R09: 00007ff000000ba0
R10: 00007ff007004b08 R11: 0000000000000246 R12: 0000000000000003
R13: 00007ff006dff9a0 R14: 0000000000000007 R15: 0000000000000008
</TASK>
Modules linked in: snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hwdep snd_hda_core
---[ end trace 0000000000000000 ]---
This is because it would mistakenly call kthread_stop() on a user space
thread making it "exit" before it actually exits.
Since kthread
---truncated---
References
Impacted products
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"value": "AV:L - The vulnerability is reached entirely through local file operations on tracefs \u2014 writes to `current_tracer`/`osnoise/options`/`osnoise/cpus` and open/read/close of `osnoise/per_cpu/cpuN/timerlat_fd` \u2014 plus signals to the attacker\u0027s own threads. There is no remote or adjacent-network path.\nAC:L - The attacker controls both sides of the race: one set of threads holds `timerlat_fd` open while another thread toggles the tracer/`OSN_WORKLOAD` option and delivers SIGINT/SIGTERM, and the upstream reproducer is a trivial `while true` shell loop that crashes the kernel within seconds. No condition beyond the attacker\u0027s control is required, and the needed `CONFIG_TIMERLAT_TRACER` is enabled in mainstream distribution kernels.\nPR:L - The code path contains no `capable()`/CAP_SYS_ADMIN or LSM check whatsoever \u2014 the only gate is tracefs file permissions (`0640` write / `0440` read), and tracefs supports `gid=`/`mode=` mount options that RT/HPC hosts running `rtla`, Android/Perfetto trace collectors, and ChromeOS commonly use to grant tracing to an unprivileged group. In such standard deployments an ordinary unprivileged user in that group can perform every step of the attack.\nUI:N - The attacker\u0027s own processes perform all the required actions \u2014 opening timerlat_fd, flipping the tracer option, and signalling their own threads. No victim interaction of any kind is needed.\nS:U - The corruption is confined to kernel objects (`task_struct`, `struct kthread`, per-CPU timerlat hrtimer state) within the same kernel security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - Calling `kthread_stop()` on a user task plus the unsynchronized `put_task_struct()`/`kthread` clearing produces a `task_struct` refcount underflow and use-after-free (confirmed by the sibling fixes 5bfbcd1ee57b and e6a53481da29 for the same regression). A UAF lets the attacker reclaim the freed slab object with controlled data and read back kernel memory, giving high confidentiality impact.\nI:H - The same premature-free condition yields a write primitive: freed `task_struct`/`kthread`/hrtimer objects are reused while stale kernel paths (`set_bit(KTHREAD_SHOULD_STOP, ...)`, `hrtimer_cancel()`, completion wakeups) still write through them, enabling heap grooming and control-flow hijack. Use-after-free of scheduler-adjacent structures is a high-integrity impact.\nA:H - The bug reproducibly produces a kernel oops \u2014 the upstream report shows a general protection fault in `hrtimer_active()` from `timerlat_fd_release()`, and `kthread_stop()` on a user task additionally dereferences a NULL `worker_private`. It can be triggered repeatedly in a loop, panicking the machine."
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CVE-2024-46819 (GCVE-0-2024-46819)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: the warning dereferencing obj for nbio_v7_4
if ras_manager obj null, don't print NBIO err data
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fe3c948918e7e3d18eed85571d32a2f7c4b63a84 Version: fe3c948918e7e3d18eed85571d32a2f7c4b63a84 Version: fe3c948918e7e3d18eed85571d32a2f7c4b63a84 Version: fe3c948918e7e3d18eed85571d32a2f7c4b63a84 Version: fe3c948918e7e3d18eed85571d32a2f7c4b63a84 Version: fe3c948918e7e3d18eed85571d32a2f7c4b63a84 |
||
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CVE-2024-50166 (GCVE-0-2024-50166)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fsl/fman: Fix refcount handling of fman-related devices
In mac_probe() there are multiple calls to of_find_device_by_node(),
fman_bind() and fman_port_bind() which takes references to of_dev->dev.
Not all references taken by these calls are released later on error path
in mac_probe() and in mac_remove() which lead to reference leaks.
Add references release.
References
Impacted products
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CVE-2024-50131 (GCVE-0-2024-50131)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tracing: Consider the NULL character when validating the event length
strlen() returns a string length excluding the null byte. If the string
length equals to the maximum buffer length, the buffer will have no
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References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: dec65d79fd269d05427c8167090bfc9c3d0b56c4 Version: dec65d79fd269d05427c8167090bfc9c3d0b56c4 Version: dec65d79fd269d05427c8167090bfc9c3d0b56c4 Version: dec65d79fd269d05427c8167090bfc9c3d0b56c4 Version: dec65d79fd269d05427c8167090bfc9c3d0b56c4 Version: dec65d79fd269d05427c8167090bfc9c3d0b56c4 Version: dec65d79fd269d05427c8167090bfc9c3d0b56c4 |
||
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CVE-2022-49025 (GCVE-0-2022-49025)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: Fix use-after-free when reverting termination table
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or afterwards fails the driver reverts usage of term tables but
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Fix by resetting the assignment of termtbl to null.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50115 (GCVE-0-2024-50115)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory
Ignore nCR3[4:0] when loading PDPTEs from memory for nested SVM, as bits
4:0 of CR3 are ignored when PAE paging is used, and thus VMRUN doesn't
enforce 32-byte alignment of nCR3.
In the absolute worst case scenario, failure to ignore bits 4:0 can result
in an out-of-bounds read, e.g. if the target page is at the end of a
memslot, and the VMM isn't using guard pages.
Per the APM:
The CR3 register points to the base address of the page-directory-pointer
table. The page-directory-pointer table is aligned on a 32-byte boundary,
with the low 5 address bits 4:0 assumed to be 0.
And the SDM's much more explicit:
4:0 Ignored
Note, KVM gets this right when loading PDPTRs, it's only the nSVM flow
that is broken.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e4e517b4be019787ada4cbbce2f04570c21b0cbd Version: e4e517b4be019787ada4cbbce2f04570c21b0cbd Version: e4e517b4be019787ada4cbbce2f04570c21b0cbd Version: e4e517b4be019787ada4cbbce2f04570c21b0cbd Version: e4e517b4be019787ada4cbbce2f04570c21b0cbd Version: e4e517b4be019787ada4cbbce2f04570c21b0cbd |
||
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CVE-2022-49014 (GCVE-0-2022-49014)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: tun: Fix use-after-free in tun_detach()
syzbot reported use-after-free in tun_detach() [1]. This causes call
trace like below:
==================================================================
BUG: KASAN: use-after-free in notifier_call_chain+0x1ee/0x200 kernel/notifier.c:75
Read of size 8 at addr ffff88807324e2a8 by task syz-executor.0/3673
CPU: 0 PID: 3673 Comm: syz-executor.0 Not tainted 6.1.0-rc5-syzkaller-00044-gcc675d22e422 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x15e/0x461 mm/kasan/report.c:395
kasan_report+0xbf/0x1f0 mm/kasan/report.c:495
notifier_call_chain+0x1ee/0x200 kernel/notifier.c:75
call_netdevice_notifiers_info+0x86/0x130 net/core/dev.c:1942
call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
call_netdevice_notifiers net/core/dev.c:1997 [inline]
netdev_wait_allrefs_any net/core/dev.c:10237 [inline]
netdev_run_todo+0xbc6/0x1100 net/core/dev.c:10351
tun_detach drivers/net/tun.c:704 [inline]
tun_chr_close+0xe4/0x190 drivers/net/tun.c:3467
__fput+0x27c/0xa90 fs/file_table.c:320
task_work_run+0x16f/0x270 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xb3d/0x2a30 kernel/exit.c:820
do_group_exit+0xd4/0x2a0 kernel/exit.c:950
get_signal+0x21b1/0x2440 kernel/signal.c:2858
arch_do_signal_or_restart+0x86/0x2300 arch/x86/kernel/signal.c:869
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
The cause of the issue is that sock_put() from __tun_detach() drops
last reference count for struct net, and then notifier_call_chain()
from netdev_state_change() accesses that struct net.
This patch fixes the issue by calling sock_put() from tun_detach()
after all necessary accesses for the struct net has done.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 83c1f36f9880814b24cdf6c2f91f66f61db65326 Version: 83c1f36f9880814b24cdf6c2f91f66f61db65326 Version: 83c1f36f9880814b24cdf6c2f91f66f61db65326 Version: 83c1f36f9880814b24cdf6c2f91f66f61db65326 Version: 83c1f36f9880814b24cdf6c2f91f66f61db65326 Version: 83c1f36f9880814b24cdf6c2f91f66f61db65326 |
||
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CVE-2024-44964 (GCVE-0-2024-44964)
Vulnerability from cvelistv5
Published
2024-09-04 18:36
Modified
2026-05-11 20:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
idpf: fix memory leaks and crashes while performing a soft reset
The second tagged commit introduced a UAF, as it removed restoring
q_vector->vport pointers after reinitializating the structures.
This is due to that all queue allocation functions are performed here
with the new temporary vport structure and those functions rewrite
the backpointers to the vport. Then, this new struct is freed and
the pointers start leading to nowhere.
But generally speaking, the current logic is very fragile. It claims
to be more reliable when the system is low on memory, but in fact, it
consumes two times more memory as at the moment of running this
function, there are two vports allocated with their queues and vectors.
Moreover, it claims to prevent the driver from running into "bad state",
but in fact, any error during the rebuild leaves the old vport in the
partially allocated state.
Finally, if the interface is down when the function is called, it always
allocates a new queue set, but when the user decides to enable the
interface later on, vport_open() allocates them once again, IOW there's
a clear memory leak here.
Just don't allocate a new queue set when performing a reset, that solves
crashes and memory leaks. Readd the old queue number and reopen the
interface on rollback - that solves limbo states when the device is left
disabled and/or without HW queues enabled.
References
Impacted products
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CVE-2024-49908 (GCVE-0-2024-49908)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add null check for 'afb' in amdgpu_dm_update_cursor (v2)
This commit adds a null check for the 'afb' variable in the
amdgpu_dm_update_cursor function. Previously, 'afb' was assumed to be
null at line 8388, but was used later in the code without a null check.
This could potentially lead to a null pointer dereference.
Changes since v1:
- Moved the null check for 'afb' to the line where 'afb' is used. (Alex)
Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:8433 amdgpu_dm_update_cursor()
error: we previously assumed 'afb' could be null (see line 8388)
References
Impacted products
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CVE-2023-52917 (GCVE-0-2023-52917)
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
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CVE-2024-41016 (GCVE-0-2024-41016)
Vulnerability from cvelistv5
Published
2024-07-29 06:37
Modified
2026-08-05 11:34
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry()
xattr in ocfs2 maybe 'non-indexed', which saved with additional space
requested. It's better to check if the memory is out of bound before
memcmp, although this possibility mainly comes from crafted poisonous
images.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 |
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CVE-2024-50208 (GCVE-0-2024-50208)
Vulnerability from cvelistv5
Published
2024-11-08 06:07
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages
Avoid memory corruption while setting up Level-2 PBL pages for the non MR
resources when num_pages > 256K.
There will be a single PDE page address (contiguous pages in the case of >
PAGE_SIZE), but, current logic assumes multiple pages, leading to invalid
memory access after 256K PBL entries in the PDE.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 |
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CVE-2022-49002 (GCVE-0-2022-49002)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iommu/vt-d: Fix PCI device refcount leak in dmar_dev_scope_init()
for_each_pci_dev() is implemented by pci_get_device(). The comment of
pci_get_device() says that it will increase the reference count for the
returned pci_dev and also decrease the reference count for the input
pci_dev @from if it is not NULL.
If we break for_each_pci_dev() loop with pdev not NULL, we need to call
pci_dev_put() to decrease the reference count. Add the missing
pci_dev_put() for the error path to avoid reference count leak.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2e45528930388658603ea24d49cf52867b928d3e Version: 2e45528930388658603ea24d49cf52867b928d3e Version: 2e45528930388658603ea24d49cf52867b928d3e Version: 2e45528930388658603ea24d49cf52867b928d3e Version: 2e45528930388658603ea24d49cf52867b928d3e Version: 2e45528930388658603ea24d49cf52867b928d3e Version: 2e45528930388658603ea24d49cf52867b928d3e Version: 2e45528930388658603ea24d49cf52867b928d3e |
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CVE-2022-49020 (GCVE-0-2022-49020)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/9p: Fix a potential socket leak in p9_socket_open
Both p9_fd_create_tcp() and p9_fd_create_unix() will call
p9_socket_open(). If the creation of p9_trans_fd fails,
p9_fd_create_tcp() and p9_fd_create_unix() will return an
error directly instead of releasing the cscoket, which will
result in a socket leak.
This patch adds sock_release() to fix the leak issue.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
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"url": "https://git.kernel.org/stable/c/ded893965b895b2dccd3d1436d8d3daffa23ea64"
},
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"url": "https://git.kernel.org/stable/c/8b14bd0b500aec1458b51cb621c8e5fab3304260"
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"url": "https://git.kernel.org/stable/c/2d24d91b9f44620824fc37b766f7cae00ca32748"
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"url": "https://git.kernel.org/stable/c/e01c1542379fb395e7da53706df598f38905dfbf"
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"url": "https://git.kernel.org/stable/c/dcc14cfd7debe11b825cb077e75d91d2575b4cb8"
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],
"title": "net/9p: Fix a potential socket leak in p9_socket_open",
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2022-49020",
"datePublished": "2024-10-21T20:06:27.976Z",
"dateReserved": "2024-08-22T01:27:53.649Z",
"dateUpdated": "2026-05-11T18:51:39.452Z",
"state": "PUBLISHED"
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"dataVersion": "5.2"
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CVE-2024-50154 (GCVE-0-2024-50154)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().
Martin KaFai Lau reported use-after-free [0] in reqsk_timer_handler().
"""
We are seeing a use-after-free from a bpf prog attached to
trace_tcp_retransmit_synack. The program passes the req->sk to the
bpf_sk_storage_get_tracing kernel helper which does check for null
before using it.
"""
The commit 83fccfc3940c ("inet: fix potential deadlock in
reqsk_queue_unlink()") added timer_pending() in reqsk_queue_unlink() not
to call del_timer_sync() from reqsk_timer_handler(), but it introduced a
small race window.
Before the timer is called, expire_timers() calls detach_timer(timer, true)
to clear timer->entry.pprev and marks it as not pending.
If reqsk_queue_unlink() checks timer_pending() just after expire_timers()
calls detach_timer(), TCP will miss del_timer_sync(); the reqsk timer will
continue running and send multiple SYN+ACKs until it expires.
The reported UAF could happen if req->sk is close()d earlier than the timer
expiration, which is 63s by default.
The scenario would be
1. inet_csk_complete_hashdance() calls inet_csk_reqsk_queue_drop(),
but del_timer_sync() is missed
2. reqsk timer is executed and scheduled again
3. req->sk is accept()ed and reqsk_put() decrements rsk_refcnt, but
reqsk timer still has another one, and inet_csk_accept() does not
clear req->sk for non-TFO sockets
4. sk is close()d
5. reqsk timer is executed again, and BPF touches req->sk
Let's not use timer_pending() by passing the caller context to
__inet_csk_reqsk_queue_drop().
Note that reqsk timer is pinned, so the issue does not happen in most
use cases. [1]
[0]
BUG: KFENCE: use-after-free read in bpf_sk_storage_get_tracing+0x2e/0x1b0
Use-after-free read at 0x00000000a891fb3a (in kfence-#1):
bpf_sk_storage_get_tracing+0x2e/0x1b0
bpf_prog_5ea3e95db6da0438_tcp_retransmit_synack+0x1d20/0x1dda
bpf_trace_run2+0x4c/0xc0
tcp_rtx_synack+0xf9/0x100
reqsk_timer_handler+0xda/0x3d0
run_timer_softirq+0x292/0x8a0
irq_exit_rcu+0xf5/0x320
sysvec_apic_timer_interrupt+0x6d/0x80
asm_sysvec_apic_timer_interrupt+0x16/0x20
intel_idle_irq+0x5a/0xa0
cpuidle_enter_state+0x94/0x273
cpu_startup_entry+0x15e/0x260
start_secondary+0x8a/0x90
secondary_startup_64_no_verify+0xfa/0xfb
kfence-#1: 0x00000000a72cc7b6-0x00000000d97616d9, size=2376, cache=TCPv6
allocated by task 0 on cpu 9 at 260507.901592s:
sk_prot_alloc+0x35/0x140
sk_clone_lock+0x1f/0x3f0
inet_csk_clone_lock+0x15/0x160
tcp_create_openreq_child+0x1f/0x410
tcp_v6_syn_recv_sock+0x1da/0x700
tcp_check_req+0x1fb/0x510
tcp_v6_rcv+0x98b/0x1420
ipv6_list_rcv+0x2258/0x26e0
napi_complete_done+0x5b1/0x2990
mlx5e_napi_poll+0x2ae/0x8d0
net_rx_action+0x13e/0x590
irq_exit_rcu+0xf5/0x320
common_interrupt+0x80/0x90
asm_common_interrupt+0x22/0x40
cpuidle_enter_state+0xfb/0x273
cpu_startup_entry+0x15e/0x260
start_secondary+0x8a/0x90
secondary_startup_64_no_verify+0xfa/0xfb
freed by task 0 on cpu 9 at 260507.927527s:
rcu_core_si+0x4ff/0xf10
irq_exit_rcu+0xf5/0x320
sysvec_apic_timer_interrupt+0x6d/0x80
asm_sysvec_apic_timer_interrupt+0x16/0x20
cpuidle_enter_state+0xfb/0x273
cpu_startup_entry+0x15e/0x260
start_secondary+0x8a/0x90
secondary_startup_64_no_verify+0xfa/0xfb
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 83fccfc3940c4a2db90fd7e7079f5b465cd8c6af Version: 83fccfc3940c4a2db90fd7e7079f5b465cd8c6af Version: 83fccfc3940c4a2db90fd7e7079f5b465cd8c6af Version: 83fccfc3940c4a2db90fd7e7079f5b465cd8c6af Version: 83fccfc3940c4a2db90fd7e7079f5b465cd8c6af Version: 83fccfc3940c4a2db90fd7e7079f5b465cd8c6af Version: 83fccfc3940c4a2db90fd7e7079f5b465cd8c6af Version: d3a1196bfc462943694623412d8e03aaf172bdc1 Version: 4.1.11 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp/dccp: Don\u0027t use timer_pending() in reqsk_queue_unlink().\n\nMartin KaFai Lau reported use-after-free [0] in reqsk_timer_handler().\n\n \"\"\"\n We are seeing a use-after-free from a bpf prog attached to\n trace_tcp_retransmit_synack. The program passes the req-\u003esk to the\n bpf_sk_storage_get_tracing kernel helper which does check for null\n before using it.\n \"\"\"\n\nThe commit 83fccfc3940c (\"inet: fix potential deadlock in\nreqsk_queue_unlink()\") added timer_pending() in reqsk_queue_unlink() not\nto call del_timer_sync() from reqsk_timer_handler(), but it introduced a\nsmall race window.\n\nBefore the timer is called, expire_timers() calls detach_timer(timer, true)\nto clear timer-\u003eentry.pprev and marks it as not pending.\n\nIf reqsk_queue_unlink() checks timer_pending() just after expire_timers()\ncalls detach_timer(), TCP will miss del_timer_sync(); the reqsk timer will\ncontinue running and send multiple SYN+ACKs until it expires.\n\nThe reported UAF could happen if req-\u003esk is close()d earlier than the timer\nexpiration, which is 63s by default.\n\nThe scenario would be\n\n 1. inet_csk_complete_hashdance() calls inet_csk_reqsk_queue_drop(),\n but del_timer_sync() is missed\n\n 2. reqsk timer is executed and scheduled again\n\n 3. req-\u003esk is accept()ed and reqsk_put() decrements rsk_refcnt, but\n reqsk timer still has another one, and inet_csk_accept() does not\n clear req-\u003esk for non-TFO sockets\n\n 4. sk is close()d\n\n 5. reqsk timer is executed again, and BPF touches req-\u003esk\n\nLet\u0027s not use timer_pending() by passing the caller context to\n__inet_csk_reqsk_queue_drop().\n\nNote that reqsk timer is pinned, so the issue does not happen in most\nuse cases. [1]\n\n[0]\nBUG: KFENCE: use-after-free read in bpf_sk_storage_get_tracing+0x2e/0x1b0\n\nUse-after-free read at 0x00000000a891fb3a (in kfence-#1):\nbpf_sk_storage_get_tracing+0x2e/0x1b0\nbpf_prog_5ea3e95db6da0438_tcp_retransmit_synack+0x1d20/0x1dda\nbpf_trace_run2+0x4c/0xc0\ntcp_rtx_synack+0xf9/0x100\nreqsk_timer_handler+0xda/0x3d0\nrun_timer_softirq+0x292/0x8a0\nirq_exit_rcu+0xf5/0x320\nsysvec_apic_timer_interrupt+0x6d/0x80\nasm_sysvec_apic_timer_interrupt+0x16/0x20\nintel_idle_irq+0x5a/0xa0\ncpuidle_enter_state+0x94/0x273\ncpu_startup_entry+0x15e/0x260\nstart_secondary+0x8a/0x90\nsecondary_startup_64_no_verify+0xfa/0xfb\n\nkfence-#1: 0x00000000a72cc7b6-0x00000000d97616d9, size=2376, cache=TCPv6\n\nallocated by task 0 on cpu 9 at 260507.901592s:\nsk_prot_alloc+0x35/0x140\nsk_clone_lock+0x1f/0x3f0\ninet_csk_clone_lock+0x15/0x160\ntcp_create_openreq_child+0x1f/0x410\ntcp_v6_syn_recv_sock+0x1da/0x700\ntcp_check_req+0x1fb/0x510\ntcp_v6_rcv+0x98b/0x1420\nipv6_list_rcv+0x2258/0x26e0\nnapi_complete_done+0x5b1/0x2990\nmlx5e_napi_poll+0x2ae/0x8d0\nnet_rx_action+0x13e/0x590\nirq_exit_rcu+0xf5/0x320\ncommon_interrupt+0x80/0x90\nasm_common_interrupt+0x22/0x40\ncpuidle_enter_state+0xfb/0x273\ncpu_startup_entry+0x15e/0x260\nstart_secondary+0x8a/0x90\nsecondary_startup_64_no_verify+0xfa/0xfb\n\nfreed by task 0 on cpu 9 at 260507.927527s:\nrcu_core_si+0x4ff/0xf10\nirq_exit_rcu+0xf5/0x320\nsysvec_apic_timer_interrupt+0x6d/0x80\nasm_sysvec_apic_timer_interrupt+0x16/0x20\ncpuidle_enter_state+0xfb/0x273\ncpu_startup_entry+0x15e/0x260\nstart_secondary+0x8a/0x90\nsecondary_startup_64_no_verify+0xfa/0xfb"
}
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{
"lang": "en",
"value": "AV:N - The vulnerability lives in the TCP/DCCP connection-request path and is driven entirely by packets from a remote peer \u2014 a SYN arms the pinned reqsk timer, and a final ACK, RST, or crafted ICMP/ICMPv6 error races `inet_csk_reqsk_queue_drop()` against it. Any internet-facing listening TCP socket is reachable with no local access.\nAC:L - The attacker controls both sides of the race: it chooses when the timer is armed (SYN \u2192 `jiffies + TCP_TIMEOUT_INIT`, 1 s) and when the drop executes (ACK/RST/ICMP at t\u22481 s), and can run thousands of connections in parallel to hit the window reliably. The `TIMER_PINNED` same-CPU argument is defeated by attacker-chosen droppers that run on a different CPU \u2014 ICMP errors via `tcp_req_err()`, plus `tcp_abort()` and `inet_twsk_purge()` in process/workqueue context.\nPR:N - The entire path is pre-authentication TCP three-way-handshake and ICMP error handling in the kernel network stack, executed before any application-level credential check. An unauthenticated remote host merely needs to connect to a listening port.\nUI:N - No victim action is required; the server\u0027s ordinary `accept()`/`close()` lifecycle completes the scenario, and the ICMP and RST droppers need no local activity at all.\nS:U - The corruption is confined to kernel memory within the same security authority \u2014 freed socket objects and listener accept-queue accounting. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - This is a use-after-free read of a freed 2376-byte `struct tcp_sock` (KFENCE-confirmed); `bpf_sk_storage_get()` reads `sk-\u003esk_state` and follows the stale `sk-\u003esk_bpf_storage` pointer, returning `sdata-\u003edata` to the caller. An attacker who grooms the reallocated slab object turns that into an arbitrary kernel read primitive.\nI:H - The same UAF yields a write primitive \u2014 with `BPF_SK_STORAGE_GET_F_CREATE` the helper performs `refcount_inc_not_zero(\u0026sk-\u003esk_refcnt)` and `bpf_local_storage_update()` against the freed/reallocated object, and per CVSS kernel guidance a use-after-free is treated as exploitable for control-flow hijacking. Independently, the double `atomic_dec(\u0026queue-\u003eyoung)` persistently corrupts the listener\u0027s SYN-queue accounting.\nA:H - Dereferencing the freed socket oopses or panics the kernel, and the condition is remotely repeatable across many connections. Even without a crash, each hijacked request floods SYN+ACK retransmissions for ~63 s and the underflowed `young` counter permanently clamps `max_syn_ack_retries` to 2, degrading the listener for its remaining lifetime."
}
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"datePublished": "2024-11-07T09:31:30.855Z",
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"dateUpdated": "2026-08-05T11:42:07.102Z",
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CVE-2024-47668 (GCVE-0-2024-47668)
Vulnerability from cvelistv5
Published
2024-10-09 14:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
lib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc()
If we need to increase the tree depth, allocate a new node, and then
race with another thread that increased the tree depth before us, we'll
still have a preallocated node that might be used later.
If we then use that node for a new non-root node, it'll still have a
pointer to the old root instead of being zeroed - fix this by zeroing it
in the cmpxchg failure path.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ba20ba2e3743bac786dff777954c11930256075e Version: ba20ba2e3743bac786dff777954c11930256075e Version: ba20ba2e3743bac786dff777954c11930256075e Version: ba20ba2e3743bac786dff777954c11930256075e Version: ba20ba2e3743bac786dff777954c11930256075e Version: ba20ba2e3743bac786dff777954c11930256075e Version: ba20ba2e3743bac786dff777954c11930256075e |
||
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CVE-2024-53079 (GCVE-0-2024-53079)
Vulnerability from cvelistv5
Published
2024-11-19 17:45
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/thp: fix deferred split unqueue naming and locking
Recent changes are putting more pressure on THP deferred split queues:
under load revealing long-standing races, causing list_del corruptions,
"Bad page state"s and worse (I keep BUGs in both of those, so usually
don't get to see how badly they end up without). The relevant recent
changes being 6.8's mTHP, 6.10's mTHP swapout, and 6.12's mTHP swapin,
improved swap allocation, and underused THP splitting.
Before fixing locking: rename misleading folio_undo_large_rmappable(),
which does not undo large_rmappable, to folio_unqueue_deferred_split(),
which is what it does. But that and its out-of-line __callee are mm
internals of very limited usability: add comment and WARN_ON_ONCEs to
check usage; and return a bool to say if a deferred split was unqueued,
which can then be used in WARN_ON_ONCEs around safety checks (sparing
callers the arcane conditionals in __folio_unqueue_deferred_split()).
Just omit the folio_unqueue_deferred_split() from free_unref_folios(), all
of whose callers now call it beforehand (and if any forget then bad_page()
will tell) - except for its caller put_pages_list(), which itself no
longer has any callers (and will be deleted separately).
Swapout: mem_cgroup_swapout() has been resetting folio->memcg_data 0
without checking and unqueueing a THP folio from deferred split list;
which is unfortunate, since the split_queue_lock depends on the memcg
(when memcg is enabled); so swapout has been unqueueing such THPs later,
when freeing the folio, using the pgdat's lock instead: potentially
corrupting the memcg's list. __remove_mapping() has frozen refcount to 0
here, so no problem with calling folio_unqueue_deferred_split() before
resetting memcg_data.
That goes back to 5.4 commit 87eaceb3faa5 ("mm: thp: make deferred split
shrinker memcg aware"): which included a check on swapcache before adding
to deferred queue, but no check on deferred queue before adding THP to
swapcache. That worked fine with the usual sequence of events in reclaim
(though there were a couple of rare ways in which a THP on deferred queue
could have been swapped out), but 6.12 commit dafff3f4c850 ("mm: split
underused THPs") avoids splitting underused THPs in reclaim, which makes
swapcache THPs on deferred queue commonplace.
Keep the check on swapcache before adding to deferred queue? Yes: it is
no longer essential, but preserves the existing behaviour, and is likely
to be a worthwhile optimization (vmstat showed much more traffic on the
queue under swapping load if the check was removed); update its comment.
Memcg-v1 move (deprecated): mem_cgroup_move_account() has been changing
folio->memcg_data without checking and unqueueing a THP folio from the
deferred list, sometimes corrupting "from" memcg's list, like swapout.
Refcount is non-zero here, so folio_unqueue_deferred_split() can only be
used in a WARN_ON_ONCE to validate the fix, which must be done earlier:
mem_cgroup_move_charge_pte_range() first try to split the THP (splitting
of course unqueues), or skip it if that fails. Not ideal, but moving
charge has been requested, and khugepaged should repair the THP later:
nobody wants new custom unqueueing code just for this deprecated case.
The 87eaceb3faa5 commit did have the code to move from one deferred list
to another (but was not conscious of its unsafety while refcount non-0);
but that was removed by 5.6 commit fac0516b5534 ("mm: thp: don't need care
deferred split queue in memcg charge move path"), which argued that the
existence of a PMD mapping guarantees that the THP cannot be on a deferred
list. As above, false in rare cases, and now commonly false.
Backport to 6.11 should be straightforward. Earlier backports must take
care that other _deferred_list fixes and dependencies are included. There
is not a strong case for backports, but they can fix cornercases.
References
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/thp: fix deferred split unqueue naming and locking\n\nRecent changes are putting more pressure on THP deferred split queues:\nunder load revealing long-standing races, causing list_del corruptions,\n\"Bad page state\"s and worse (I keep BUGs in both of those, so usually\ndon\u0027t get to see how badly they end up without). The relevant recent\nchanges being 6.8\u0027s mTHP, 6.10\u0027s mTHP swapout, and 6.12\u0027s mTHP swapin,\nimproved swap allocation, and underused THP splitting.\n\nBefore fixing locking: rename misleading folio_undo_large_rmappable(),\nwhich does not undo large_rmappable, to folio_unqueue_deferred_split(),\nwhich is what it does. But that and its out-of-line __callee are mm\ninternals of very limited usability: add comment and WARN_ON_ONCEs to\ncheck usage; and return a bool to say if a deferred split was unqueued,\nwhich can then be used in WARN_ON_ONCEs around safety checks (sparing\ncallers the arcane conditionals in __folio_unqueue_deferred_split()).\n\nJust omit the folio_unqueue_deferred_split() from free_unref_folios(), all\nof whose callers now call it beforehand (and if any forget then bad_page()\nwill tell) - except for its caller put_pages_list(), which itself no\nlonger has any callers (and will be deleted separately).\n\nSwapout: mem_cgroup_swapout() has been resetting folio-\u003ememcg_data 0\nwithout checking and unqueueing a THP folio from deferred split list;\nwhich is unfortunate, since the split_queue_lock depends on the memcg\n(when memcg is enabled); so swapout has been unqueueing such THPs later,\nwhen freeing the folio, using the pgdat\u0027s lock instead: potentially\ncorrupting the memcg\u0027s list. __remove_mapping() has frozen refcount to 0\nhere, so no problem with calling folio_unqueue_deferred_split() before\nresetting memcg_data.\n\nThat goes back to 5.4 commit 87eaceb3faa5 (\"mm: thp: make deferred split\nshrinker memcg aware\"): which included a check on swapcache before adding\nto deferred queue, but no check on deferred queue before adding THP to\nswapcache. That worked fine with the usual sequence of events in reclaim\n(though there were a couple of rare ways in which a THP on deferred queue\ncould have been swapped out), but 6.12 commit dafff3f4c850 (\"mm: split\nunderused THPs\") avoids splitting underused THPs in reclaim, which makes\nswapcache THPs on deferred queue commonplace.\n\nKeep the check on swapcache before adding to deferred queue? Yes: it is\nno longer essential, but preserves the existing behaviour, and is likely\nto be a worthwhile optimization (vmstat showed much more traffic on the\nqueue under swapping load if the check was removed); update its comment.\n\nMemcg-v1 move (deprecated): mem_cgroup_move_account() has been changing\nfolio-\u003ememcg_data without checking and unqueueing a THP folio from the\ndeferred list, sometimes corrupting \"from\" memcg\u0027s list, like swapout. \nRefcount is non-zero here, so folio_unqueue_deferred_split() can only be\nused in a WARN_ON_ONCE to validate the fix, which must be done earlier:\nmem_cgroup_move_charge_pte_range() first try to split the THP (splitting\nof course unqueues), or skip it if that fails. Not ideal, but moving\ncharge has been requested, and khugepaged should repair the THP later:\nnobody wants new custom unqueueing code just for this deprecated case.\n\nThe 87eaceb3faa5 commit did have the code to move from one deferred list\nto another (but was not conscious of its unsafety while refcount non-0);\nbut that was removed by 5.6 commit fac0516b5534 (\"mm: thp: don\u0027t need care\ndeferred split queue in memcg charge move path\"), which argued that the\nexistence of a PMD mapping guarantees that the THP cannot be on a deferred\nlist. As above, false in rare cases, and now commonly false.\n\nBackport to 6.11 should be straightforward. Earlier backports must take\ncare that other _deferred_list fixes and dependencies are included. There\nis not a strong case for backports, but they can fix cornercases."
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"value": "AV:L - The bug lives in the THP deferred-split/memcg reclaim machinery and is driven entirely by local memory operations (THP allocation, partial unmap via munmap/MADV_DONTNEED, and induced memory pressure/swapout). There is no network-facing input path.\nAC:L - The attacker controls both sides of the race \u2014 one set of threads queues partially-mapped THPs onto the memcg split queue while another forces reclaim/swapout that unqueues them under the wrong (pgdat) lock \u2014 and the maintainer reports the corruption firing routinely \"under load\" on ordinary systems since underused-THP splitting made swapcache THPs on the deferred queue commonplace.\nPR:L - Any unprivileged local process can queue folios on the deferred split list simply by partially unmapping an anonymous THP, and with CONFIG_MEMCG every folio (even in the root cgroup) is charged to a memcg queue, so no capabilities or cgroup write access are required.\nUI:N - The attacker performs every step himself \u2014 allocating THPs, partially unmapping them, and generating the memory pressure that forces swapout; no victim action is involved.\nS:U - The corruption is confined to kernel memory-management structures within the same security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - The unlocked list_del corrupts struct page fields (_deferred_list overlaps the second tail page\u0027s -\u003emapping) and can leave freed folios reachable on the memcg queue, so deferred_split_scan() operates on pages already reallocated to other processes or the kernel \u2014 a use-after-free giving read access to memory outside the attacker\u0027s ownership.\nI:H - The same racing list_del writes attacker-influenced pointer values into page structures, and the resulting use-after-free lets the shrinker take references on and split folios that now belong to another context, providing the heap-grooming and write primitives typical of exploitable memory corruption.\nA:H - Observed effects include list_del corruption, bad_page(\"on deferred list\") reports and BUGs, split_queue_len underflow, and a self-referencing list that makes the queue walk loop forever while holding split_queue_lock with interrupts disabled \u2014 a hard lockup or panic."
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CVE-2024-49949 (GCVE-0-2024-49949)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: avoid potential underflow in qdisc_pkt_len_init() with UFO
After commit 7c6d2ecbda83 ("net: be more gentle about silly gso
requests coming from user") virtio_net_hdr_to_skb() had sanity check
to detect malicious attempts from user space to cook a bad GSO packet.
Then commit cf9acc90c80ec ("net: virtio_net_hdr_to_skb: count
transport header in UFO") while fixing one issue, allowed user space
to cook a GSO packet with the following characteristic :
IPv4 SKB_GSO_UDP, gso_size=3, skb->len = 28.
When this packet arrives in qdisc_pkt_len_init(), we end up
with hdr_len = 28 (IPv4 header + UDP header), matching skb->len
Then the following sets gso_segs to 0 :
gso_segs = DIV_ROUND_UP(skb->len - hdr_len,
shinfo->gso_size);
Then later we set qdisc_skb_cb(skb)->pkt_len to back to zero :/
qdisc_skb_cb(skb)->pkt_len += (gso_segs - 1) * hdr_len;
This leads to the following crash in fq_codel [1]
qdisc_pkt_len_init() is best effort, we only want an estimation
of the bytes sent on the wire, not crashing the kernel.
This patch is fixing this particular issue, a following one
adds more sanity checks for another potential bug.
[1]
[ 70.724101] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 70.724561] #PF: supervisor read access in kernel mode
[ 70.724561] #PF: error_code(0x0000) - not-present page
[ 70.724561] PGD 10ac61067 P4D 10ac61067 PUD 107ee2067 PMD 0
[ 70.724561] Oops: Oops: 0000 [#1] SMP NOPTI
[ 70.724561] CPU: 11 UID: 0 PID: 2163 Comm: b358537762 Not tainted 6.11.0-virtme #991
[ 70.724561] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 70.724561] RIP: 0010:fq_codel_enqueue (net/sched/sch_fq_codel.c:120 net/sched/sch_fq_codel.c:168 net/sched/sch_fq_codel.c:230) sch_fq_codel
[ 70.724561] Code: 24 08 49 c1 e1 06 44 89 7c 24 18 45 31 ed 45 31 c0 31 ff 89 44 24 14 4c 03 8b 90 01 00 00 eb 04 39 ca 73 37 4d 8b 39 83 c7 01 <49> 8b 17 49 89 11 41 8b 57 28 45 8b 5f 34 49 c7 07 00 00 00 00 49
All code
========
0: 24 08 and $0x8,%al
2: 49 c1 e1 06 shl $0x6,%r9
6: 44 89 7c 24 18 mov %r15d,0x18(%rsp)
b: 45 31 ed xor %r13d,%r13d
e: 45 31 c0 xor %r8d,%r8d
11: 31 ff xor %edi,%edi
13: 89 44 24 14 mov %eax,0x14(%rsp)
17: 4c 03 8b 90 01 00 00 add 0x190(%rbx),%r9
1e: eb 04 jmp 0x24
20: 39 ca cmp %ecx,%edx
22: 73 37 jae 0x5b
24: 4d 8b 39 mov (%r9),%r15
27: 83 c7 01 add $0x1,%edi
2a:* 49 8b 17 mov (%r15),%rdx <-- trapping instruction
2d: 49 89 11 mov %rdx,(%r9)
30: 41 8b 57 28 mov 0x28(%r15),%edx
34: 45 8b 5f 34 mov 0x34(%r15),%r11d
38: 49 c7 07 00 00 00 00 movq $0x0,(%r15)
3f: 49 rex.WB
Code starting with the faulting instruction
===========================================
0: 49 8b 17 mov (%r15),%rdx
3: 49 89 11 mov %rdx,(%r9)
6: 41 8b 57 28 mov 0x28(%r15),%edx
a: 45 8b 5f 34 mov 0x34(%r15),%r11d
e: 49 c7 07 00 00 00 00 movq $0x0,(%r15)
15: 49 rex.WB
[ 70.724561] RSP: 0018:ffff95ae85e6fb90 EFLAGS: 00000202
[ 70.724561] RAX: 0000000002000000 RBX: ffff95ae841de000 RCX: 0000000000000000
[ 70.724561] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
[ 70.724561] RBP: ffff95ae85e6fbf8 R08: 0000000000000000 R09: ffff95b710a30000
[ 70.724561] R10: 0000000000000000 R11: bdf289445ce31881 R12: ffff95ae85e6fc58
[ 70.724561] R13: 0000000000000000 R14: 0000000000000040 R15: 0000000000000000
[ 70.724561] FS: 000000002c5c1380(0000) GS:ffff95bd7fcc0000(0000) knlGS:0000000000000000
[ 70.724561] CS: 0010 DS: 0000 ES: 0000 C
---truncated---
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 960b360ca7463921c1a6b72e7066a706d6406223 Version: fb2dbc124a7f800cd0e4f901a1bbb769a017104c Version: 8e6bae950da9dc2d2c6c18b1c6b206dc00dc8772 Version: 0f810d06b507aa40fef8d1ac0a88e6d0590dbfc3 Version: cf9acc90c80ecbee00334aa85d92f4e74014bcff Version: cf9acc90c80ecbee00334aa85d92f4e74014bcff Version: cf9acc90c80ecbee00334aa85d92f4e74014bcff Version: cf9acc90c80ecbee00334aa85d92f4e74014bcff Version: cf9acc90c80ecbee00334aa85d92f4e74014bcff Version: 2128303bff700c857739a0af8cc39c1a41840650 Version: 4.19.218 ≤ Version: 5.4.162 ≤ Version: 5.10.82 ≤ Version: 5.15.5 ≤ Version: 4.14.256 ≤ |
||
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CVE-2024-50048 (GCVE-0-2024-50048)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fbcon: Fix a NULL pointer dereference issue in fbcon_putcs
syzbot has found a NULL pointer dereference bug in fbcon.
Here is the simplified C reproducer:
struct param {
uint8_t type;
struct tiocl_selection ts;
};
int main()
{
struct fb_con2fbmap con2fb;
struct param param;
int fd = open("/dev/fb1", 0, 0);
con2fb.console = 0x19;
con2fb.framebuffer = 0;
ioctl(fd, FBIOPUT_CON2FBMAP, &con2fb);
param.type = 2;
param.ts.xs = 0; param.ts.ys = 0;
param.ts.xe = 0; param.ts.ye = 0;
param.ts.sel_mode = 0;
int fd1 = open("/dev/tty1", O_RDWR, 0);
ioctl(fd1, TIOCLINUX, ¶m);
con2fb.console = 1;
con2fb.framebuffer = 0;
ioctl(fd, FBIOPUT_CON2FBMAP, &con2fb);
return 0;
}
After calling ioctl(fd1, TIOCLINUX, ¶m), the subsequent ioctl(fd, FBIOPUT_CON2FBMAP, &con2fb)
causes the kernel to follow a different execution path:
set_con2fb_map
-> con2fb_init_display
-> fbcon_set_disp
-> redraw_screen
-> hide_cursor
-> clear_selection
-> highlight
-> invert_screen
-> do_update_region
-> fbcon_putcs
-> ops->putcs
Since ops->putcs is a NULL pointer, this leads to a kernel panic.
To prevent this, we need to call set_blitting_type() within set_con2fb_map()
to properly initialize ops->putcs.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2021-47162 (GCVE-0-2021-47162)
Vulnerability from cvelistv5
Published
2024-03-25 09:16
Modified
2026-08-05 08:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tipc: skb_linearize the head skb when reassembling msgs
It's not a good idea to append the frag skb to a skb's frag_list if
the frag_list already has skbs from elsewhere, such as this skb was
created by pskb_copy() where the frag_list was cloned (all the skbs
in it were skb_get'ed) and shared by multiple skbs.
However, the new appended frag skb should have been only seen by the
current skb. Otherwise, it will cause use after free crashes as this
appended frag skb are seen by multiple skbs but it only got skb_get
called once.
The same thing happens with a skb updated by pskb_may_pull() with a
skb_cloned skb. Li Shuang has reported quite a few crashes caused
by this when doing testing over macvlan devices:
[] kernel BUG at net/core/skbuff.c:1970!
[] Call Trace:
[] skb_clone+0x4d/0xb0
[] macvlan_broadcast+0xd8/0x160 [macvlan]
[] macvlan_process_broadcast+0x148/0x150 [macvlan]
[] process_one_work+0x1a7/0x360
[] worker_thread+0x30/0x390
[] kernel BUG at mm/usercopy.c:102!
[] Call Trace:
[] __check_heap_object+0xd3/0x100
[] __check_object_size+0xff/0x16b
[] simple_copy_to_iter+0x1c/0x30
[] __skb_datagram_iter+0x7d/0x310
[] __skb_datagram_iter+0x2a5/0x310
[] skb_copy_datagram_iter+0x3b/0x90
[] tipc_recvmsg+0x14a/0x3a0 [tipc]
[] ____sys_recvmsg+0x91/0x150
[] ___sys_recvmsg+0x7b/0xc0
[] kernel BUG at mm/slub.c:305!
[] Call Trace:
[] <IRQ>
[] kmem_cache_free+0x3ff/0x400
[] __netif_receive_skb_core+0x12c/0xc40
[] ? kmem_cache_alloc+0x12e/0x270
[] netif_receive_skb_internal+0x3d/0xb0
[] ? get_rx_page_info+0x8e/0xa0 [be2net]
[] be_poll+0x6ef/0xd00 [be2net]
[] ? irq_exit+0x4f/0x100
[] net_rx_action+0x149/0x3b0
...
This patch is to fix it by linearizing the head skb if it has frag_list
set in tipc_buf_append(). Note that we choose to do this before calling
skb_unshare(), as __skb_linearize() will avoid skb_copy(). Also, we can
not just drop the frag_list either as the early time.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 45c8b7b175ceb2d542e0fe15247377bf3bce29ec Version: 45c8b7b175ceb2d542e0fe15247377bf3bce29ec Version: 45c8b7b175ceb2d542e0fe15247377bf3bce29ec Version: 45c8b7b175ceb2d542e0fe15247377bf3bce29ec Version: 45c8b7b175ceb2d542e0fe15247377bf3bce29ec Version: 45c8b7b175ceb2d542e0fe15247377bf3bce29ec Version: 45c8b7b175ceb2d542e0fe15247377bf3bce29ec Version: 45c8b7b175ceb2d542e0fe15247377bf3bce29ec Version: d45ed6c1ff20d3640a31f03816ca2d48fb7d6f22 Version: c19282fd54a19e4651a4e67836cd842082546677 Version: 4.1.14 ≤ Version: 4.2.7 ≤ |
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CVE-2022-49000 (GCVE-0-2022-49000)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iommu/vt-d: Fix PCI device refcount leak in has_external_pci()
for_each_pci_dev() is implemented by pci_get_device(). The comment of
pci_get_device() says that it will increase the reference count for the
returned pci_dev and also decrease the reference count for the input
pci_dev @from if it is not NULL.
If we break for_each_pci_dev() loop with pdev not NULL, we need to call
pci_dev_put() to decrease the reference count. Add the missing
pci_dev_put() before 'return true' to avoid reference count leak.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2023-28327 (GCVE-0-2023-28327)
Vulnerability from cvelistv5
Published
2023-04-19 00:00
Modified
2025-03-19 15:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A NULL pointer dereference flaw was found in the UNIX protocol in net/unix/diag.c In unix_diag_get_exact in the Linux Kernel. The newly allocated skb does not have sk, leading to a NULL pointer. This flaw allows a local user to crash or potentially cause a denial of service.
References
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CVE-2024-53085 (GCVE-0-2024-53085)
Vulnerability from cvelistv5
Published
2024-11-19 17:45
Modified
2026-05-23 15:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tpm: Lock TPM chip in tpm_pm_suspend() first
Setting TPM_CHIP_FLAG_SUSPENDED in the end of tpm_pm_suspend() can be racy
according, as this leaves window for tpm_hwrng_read() to be called while
the operation is in progress. The recent bug report gives also evidence of
this behaviour.
Aadress this by locking the TPM chip before checking any chip->flags both
in tpm_pm_suspend() and tpm_hwrng_read(). Move TPM_CHIP_FLAG_SUSPENDED
check inside tpm_get_random() so that it will be always checked only when
the lock is reserved.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 99d46450625590d410f86fe4660a5eff7d3b8343 Version: 99d46450625590d410f86fe4660a5eff7d3b8343 Version: 99d46450625590d410f86fe4660a5eff7d3b8343 Version: 7cd46930b8bf37b84777410ac21bfdf1179021d5 Version: eeda114c92c7b2db69878cdf27163750fd57cfe2 Version: 6.1.31 ≤ Version: 6.3.5 ≤ |
||
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CVE-2024-47754 (GCVE-0-2024-47754)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: mediatek: vcodec: Fix H264 multi stateless decoder smatch warning
Fix a smatch static checker warning on vdec_h264_req_multi_if.c.
Which leads to a kernel crash when fb is NULL.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-53055 (GCVE-0-2024-53055)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: fix 6 GHz scan construction
If more than 255 colocated APs exist for the set of all
APs found during 2.4/5 GHz scanning, then the 6 GHz scan
construction will loop forever since the loop variable
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Also move it into the loops to have a smaller scope.
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entries due to the frame size. With a limit of 1000 scan
results, a frame size upper bound of 4096 (really it's
more like ~2300) and a TBTT entry size of at least 11,
we get an upper bound for the number of ~372k, well in
the bounds of a u32.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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"url": "https://git.kernel.org/stable/c/cde8a7eb5c6762264ff0f4433358e0a0d250c875"
},
{
"url": "https://git.kernel.org/stable/c/fc621e7a043de346c33bd7ae7e2e0c651d6152ef"
},
{
"url": "https://git.kernel.org/stable/c/2ccd5badadab2d586e91546bf5af3deda07fef1f"
},
{
"url": "https://git.kernel.org/stable/c/7245012f0f496162dd95d888ed2ceb5a35170f1a"
}
],
"title": "wifi: iwlwifi: mvm: fix 6 GHz scan construction",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-53055",
"datePublished": "2024-11-19T17:19:39.037Z",
"dateReserved": "2024-11-19T17:17:24.974Z",
"dateUpdated": "2026-05-11T20:49:55.759Z",
"state": "PUBLISHED"
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CVE-2024-50047 (GCVE-0-2024-50047)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix UAF in async decryption
Doing an async decryption (large read) crashes with a
slab-use-after-free way down in the crypto API.
Reproducer:
# mount.cifs -o ...,seal,esize=1 //srv/share /mnt
# dd if=/mnt/largefile of=/dev/null
...
[ 194.196391] ==================================================================
[ 194.196844] BUG: KASAN: slab-use-after-free in gf128mul_4k_lle+0xc1/0x110
[ 194.197269] Read of size 8 at addr ffff888112bd0448 by task kworker/u77:2/899
[ 194.197707]
[ 194.197818] CPU: 12 UID: 0 PID: 899 Comm: kworker/u77:2 Not tainted 6.11.0-lku-00028-gfca3ca14a17a-dirty #43
[ 194.198400] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 04/01/2014
[ 194.199046] Workqueue: smb3decryptd smb2_decrypt_offload [cifs]
[ 194.200032] Call Trace:
[ 194.200191] <TASK>
[ 194.200327] dump_stack_lvl+0x4e/0x70
[ 194.200558] ? gf128mul_4k_lle+0xc1/0x110
[ 194.200809] print_report+0x174/0x505
[ 194.201040] ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[ 194.201352] ? srso_return_thunk+0x5/0x5f
[ 194.201604] ? __virt_addr_valid+0xdf/0x1c0
[ 194.201868] ? gf128mul_4k_lle+0xc1/0x110
[ 194.202128] kasan_report+0xc8/0x150
[ 194.202361] ? gf128mul_4k_lle+0xc1/0x110
[ 194.202616] gf128mul_4k_lle+0xc1/0x110
[ 194.202863] ghash_update+0x184/0x210
[ 194.203103] shash_ahash_update+0x184/0x2a0
[ 194.203377] ? __pfx_shash_ahash_update+0x10/0x10
[ 194.203651] ? srso_return_thunk+0x5/0x5f
[ 194.203877] ? crypto_gcm_init_common+0x1ba/0x340
[ 194.204142] gcm_hash_assoc_remain_continue+0x10a/0x140
[ 194.204434] crypt_message+0xec1/0x10a0 [cifs]
[ 194.206489] ? __pfx_crypt_message+0x10/0x10 [cifs]
[ 194.208507] ? srso_return_thunk+0x5/0x5f
[ 194.209205] ? srso_return_thunk+0x5/0x5f
[ 194.209925] ? srso_return_thunk+0x5/0x5f
[ 194.210443] ? srso_return_thunk+0x5/0x5f
[ 194.211037] decrypt_raw_data+0x15f/0x250 [cifs]
[ 194.212906] ? __pfx_decrypt_raw_data+0x10/0x10 [cifs]
[ 194.214670] ? srso_return_thunk+0x5/0x5f
[ 194.215193] smb2_decrypt_offload+0x12a/0x6c0 [cifs]
This is because TFM is being used in parallel.
Fix this by allocating a new AEAD TFM for async decryption, but keep
the existing one for synchronous READ cases (similar to what is done
in smb3_calc_signature()).
Also remove the calls to aead_request_set_callback() and
crypto_wait_req() since it's always going to be a synchronous operation.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 35cf94a397280b9e27576ac1480f631bdd3e7b70 Version: 35cf94a397280b9e27576ac1480f631bdd3e7b70 Version: 35cf94a397280b9e27576ac1480f631bdd3e7b70 Version: 35cf94a397280b9e27576ac1480f631bdd3e7b70 Version: 35cf94a397280b9e27576ac1480f631bdd3e7b70 Version: 35cf94a397280b9e27576ac1480f631bdd3e7b70 |
||
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"metrics": [
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"other": {
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"id": "CVE-2024-50047",
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"title": "CVE Program Container"
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{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
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"version": "5.4"
},
{
"lessThan": "5.4",
"status": "unaffected",
"version": "0",
"versionType": "semver"
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{
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"status": "unaffected",
"version": "5.10.237",
"versionType": "semver"
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{
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"status": "unaffected",
"version": "5.15.181",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.128",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.57",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
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"nodes": [
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"vulnerable": true
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{
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"negate": false,
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix UAF in async decryption\n\nDoing an async decryption (large read) crashes with a\nslab-use-after-free way down in the crypto API.\n\nReproducer:\n # mount.cifs -o ...,seal,esize=1 //srv/share /mnt\n # dd if=/mnt/largefile of=/dev/null\n ...\n [ 194.196391] ==================================================================\n [ 194.196844] BUG: KASAN: slab-use-after-free in gf128mul_4k_lle+0xc1/0x110\n [ 194.197269] Read of size 8 at addr ffff888112bd0448 by task kworker/u77:2/899\n [ 194.197707]\n [ 194.197818] CPU: 12 UID: 0 PID: 899 Comm: kworker/u77:2 Not tainted 6.11.0-lku-00028-gfca3ca14a17a-dirty #43\n [ 194.198400] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 04/01/2014\n [ 194.199046] Workqueue: smb3decryptd smb2_decrypt_offload [cifs]\n [ 194.200032] Call Trace:\n [ 194.200191] \u003cTASK\u003e\n [ 194.200327] dump_stack_lvl+0x4e/0x70\n [ 194.200558] ? gf128mul_4k_lle+0xc1/0x110\n [ 194.200809] print_report+0x174/0x505\n [ 194.201040] ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n [ 194.201352] ? srso_return_thunk+0x5/0x5f\n [ 194.201604] ? __virt_addr_valid+0xdf/0x1c0\n [ 194.201868] ? gf128mul_4k_lle+0xc1/0x110\n [ 194.202128] kasan_report+0xc8/0x150\n [ 194.202361] ? gf128mul_4k_lle+0xc1/0x110\n [ 194.202616] gf128mul_4k_lle+0xc1/0x110\n [ 194.202863] ghash_update+0x184/0x210\n [ 194.203103] shash_ahash_update+0x184/0x2a0\n [ 194.203377] ? __pfx_shash_ahash_update+0x10/0x10\n [ 194.203651] ? srso_return_thunk+0x5/0x5f\n [ 194.203877] ? crypto_gcm_init_common+0x1ba/0x340\n [ 194.204142] gcm_hash_assoc_remain_continue+0x10a/0x140\n [ 194.204434] crypt_message+0xec1/0x10a0 [cifs]\n [ 194.206489] ? __pfx_crypt_message+0x10/0x10 [cifs]\n [ 194.208507] ? srso_return_thunk+0x5/0x5f\n [ 194.209205] ? srso_return_thunk+0x5/0x5f\n [ 194.209925] ? srso_return_thunk+0x5/0x5f\n [ 194.210443] ? srso_return_thunk+0x5/0x5f\n [ 194.211037] decrypt_raw_data+0x15f/0x250 [cifs]\n [ 194.212906] ? __pfx_decrypt_raw_data+0x10/0x10 [cifs]\n [ 194.214670] ? srso_return_thunk+0x5/0x5f\n [ 194.215193] smb2_decrypt_offload+0x12a/0x6c0 [cifs]\n\nThis is because TFM is being used in parallel.\n\nFix this by allocating a new AEAD TFM for async decryption, but keep\nthe existing one for synchronous READ cases (similar to what is done\nin smb3_calc_signature()).\n\nAlso remove the calls to aead_request_set_callback() and\ncrypto_wait_req() since it\u0027s always going to be a synchronous operation."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:N - The UAF occurs while the CIFS/SMB3 client decrypts transform-encrypted READ responses received from a remote SMB server over TCP/445, on data (transform header, message size, nonce, ciphertext) fully supplied by that peer. A malicious, compromised, or MITM\u0027d server drives the vulnerable path remotely, and can itself force encryption on via SMB2_SESSION_FLAG_ENCRYPT_DATA / SHI1005_FLAGS_ENCRYPT_DATA.\nAC:L - The server controls both sides of the race by pipelining multiple large encrypted READ responses, guaranteeing concurrent smb3decryptd workers on the shared TFM; the commit\u0027s reproducer is an ordinary `dd` of a large file, so the corruption occurs deterministically in normal operation rather than requiring a rare window.\nPR:N - The remote SMB server needs no privileges on the client to send the encrypted read responses that trigger the parallel TFM use, and locally any unprivileged user with read access to the mounted share can issue the concurrent large reads.\nUI:N - No victim action is needed beyond an already-established mount; the UAF fires during routine background file reads on the existing connection.\nS:U - The corruption is confined to kernel memory within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Freed slab memory (the gf128mul ghash key table and TFM context) is read by the crypto engine, and heap grooming lets an attacker place chosen objects there for arbitrary kernel memory disclosure; cross-worker key clobbering can also expose data decrypted under the wrong session key.\nI:H - The crypto transform writes into the freed, reallocated slab object, giving a heap write primitive over attacker-groomable memory that is leveragable for control-flow hijack, and concurrent setkey/setauthsize corrupt in-flight crypto state.\nA:H - The use-after-free reliably produces a KASAN slab-use-after-free and kernel oops in the smb3decryptd workqueue, panicking or hanging the client; it can be retriggered at will."
}
]
}
],
"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"references": [
{
"url": "https://git.kernel.org/stable/c/8f14a476abba13144df5434871a7225fd29af633"
},
{
"url": "https://git.kernel.org/stable/c/ef51c0d544b1518b35364480317ab6d3468f205d"
},
{
"url": "https://git.kernel.org/stable/c/bce966530fd5542bbb422cb45ecb775f7a1a6bc3"
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{
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{
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{
"url": "https://git.kernel.org/stable/c/b0abcd65ec545701b8793e12bc27dc98042b151a"
}
],
"title": "smb: client: fix UAF in async decryption",
"x_generator": {
"engine": "bippy-1.2.0"
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}
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50047",
"datePublished": "2024-10-21T19:39:44.430Z",
"dateReserved": "2024-10-21T12:17:06.071Z",
"dateUpdated": "2026-08-05T11:41:16.159Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
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CVE-2024-47685 (GCVE-0-2024-47685)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()
syzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending
garbage on the four reserved tcp bits (th->res1)
Use skb_put_zero() to clear the whole TCP header,
as done in nf_reject_ip_tcphdr_put()
BUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255
nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255
nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344
nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48
expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288
nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK include/linux/netfilter.h:312 [inline]
ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310
__netif_receive_skb_one_core net/core/dev.c:5661 [inline]
__netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775
process_backlog+0x4ad/0xa50 net/core/dev.c:6108
__napi_poll+0xe7/0x980 net/core/dev.c:6772
napi_poll net/core/dev.c:6841 [inline]
net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963
handle_softirqs+0x1ce/0x800 kernel/softirq.c:554
__do_softirq+0x14/0x1a kernel/softirq.c:588
do_softirq+0x9a/0x100 kernel/softirq.c:455
__local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:908 [inline]
__dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450
dev_queue_xmit include/linux/netdevice.h:3105 [inline]
neigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565
neigh_output include/net/neighbour.h:542 [inline]
ip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141
__ip6_finish_output net/ipv6/ip6_output.c:215 [inline]
ip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226
NF_HOOK_COND include/linux/netfilter.h:303 [inline]
ip6_output+0x356/0x620 net/ipv6/ip6_output.c:247
dst_output include/net/dst.h:450 [inline]
NF_HOOK include/linux/netfilter.h:314 [inline]
ip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366
inet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135
__tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466
tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]
tcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143
tcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333
__inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679
inet_stream_connect+0x6a/0xd0 net/ipv4/af_inet.c:750
__sys_connect_file net/socket.c:2061 [inline]
__sys_connect+0x606/0x690 net/socket.c:2078
__do_sys_connect net/socket.c:2088 [inline]
__se_sys_connect net/socket.c:2085 [inline]
__x64_sys_connect+0x91/0xe0 net/socket.c:2085
x64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Uninit was stored to memory at:
nf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249
nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344
nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48
expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288
nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK include/linux/netfilter.h:312 [inline]
ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310
__netif_receive_skb_one_core
---truncated---
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: c8d7b98bec43faaa6583c3135030be5eb4693acb Version: c8d7b98bec43faaa6583c3135030be5eb4693acb Version: c8d7b98bec43faaa6583c3135030be5eb4693acb Version: c8d7b98bec43faaa6583c3135030be5eb4693acb Version: c8d7b98bec43faaa6583c3135030be5eb4693acb Version: c8d7b98bec43faaa6583c3135030be5eb4693acb Version: c8d7b98bec43faaa6583c3135030be5eb4693acb Version: c8d7b98bec43faaa6583c3135030be5eb4693acb Version: c8d7b98bec43faaa6583c3135030be5eb4693acb |
||
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CVE-2024-49957 (GCVE-0-2024-49957)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix null-ptr-deref when journal load failed.
During the mounting process, if journal_reset() fails because of too short
journal, then lead to jbd2_journal_load() fails with NULL j_sb_buffer.
Subsequently, ocfs2_journal_shutdown() calls
jbd2_journal_flush()->jbd2_cleanup_journal_tail()->
__jbd2_update_log_tail()->jbd2_journal_update_sb_log_tail()
->lock_buffer(journal->j_sb_buffer), resulting in a null-pointer
dereference error.
To resolve this issue, we should check the JBD2_LOADED flag to ensure the
journal was properly loaded. Additionally, use journal instead of
osb->journal directly to simplify the code.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 Version: f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 Version: f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 Version: f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 Version: f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 Version: f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 Version: f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 Version: f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 Version: f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 |
||
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CVE-2024-47669 (GCVE-0-2024-47669)
Vulnerability from cvelistv5
Published
2024-10-09 14:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nilfs2: fix state management in error path of log writing function
After commit a694291a6211 ("nilfs2: separate wait function from
nilfs_segctor_write") was applied, the log writing function
nilfs_segctor_do_construct() was able to issue I/O requests continuously
even if user data blocks were split into multiple logs across segments,
but two potential flaws were introduced in its error handling.
First, if nilfs_segctor_begin_construction() fails while creating the
second or subsequent logs, the log writing function returns without
calling nilfs_segctor_abort_construction(), so the writeback flag set on
pages/folios will remain uncleared. This causes page cache operations to
hang waiting for the writeback flag. For example,
truncate_inode_pages_final(), which is called via nilfs_evict_inode() when
an inode is evicted from memory, will hang.
Second, the NILFS_I_COLLECTED flag set on normal inodes remain uncleared.
As a result, if the next log write involves checkpoint creation, that's
fine, but if a partial log write is performed that does not, inodes with
NILFS_I_COLLECTED set are erroneously removed from the "sc_dirty_files"
list, and their data and b-tree blocks may not be written to the device,
corrupting the block mapping.
Fix these issues by uniformly calling nilfs_segctor_abort_construction()
on failure of each step in the loop in nilfs_segctor_do_construct(),
having it clean up logs and segment usages according to progress, and
correcting the conditions for calling nilfs_redirty_inodes() to ensure
that the NILFS_I_COLLECTED flag is cleared.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a694291a6211537189c6080f77f63cdabfc9b63e Version: a694291a6211537189c6080f77f63cdabfc9b63e Version: a694291a6211537189c6080f77f63cdabfc9b63e Version: a694291a6211537189c6080f77f63cdabfc9b63e Version: a694291a6211537189c6080f77f63cdabfc9b63e Version: a694291a6211537189c6080f77f63cdabfc9b63e Version: a694291a6211537189c6080f77f63cdabfc9b63e Version: a694291a6211537189c6080f77f63cdabfc9b63e |
||
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CVE-2024-50041 (GCVE-0-2024-50041)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix macvlan leak by synchronizing access to mac_filter_hash
This patch addresses a macvlan leak issue in the i40e driver caused by
concurrent access to vsi->mac_filter_hash. The leak occurs when multiple
threads attempt to modify the mac_filter_hash simultaneously, leading to
inconsistent state and potential memory leaks.
To fix this, we now wrap the calls to i40e_del_mac_filter() and zeroing
vf->default_lan_addr.addr with spin_lock/unlock_bh(&vsi->mac_filter_hash_lock),
ensuring atomic operations and preventing concurrent access.
Additionally, we add lockdep_assert_held(&vsi->mac_filter_hash_lock) in
i40e_add_mac_filter() to help catch similar issues in the future.
Reproduction steps:
1. Spawn VFs and configure port vlan on them.
2. Trigger concurrent macvlan operations (e.g., adding and deleting
portvlan and/or mac filters).
3. Observe the potential memory leak and inconsistent state in the
mac_filter_hash.
This synchronization ensures the integrity of the mac_filter_hash and prevents
the described leak.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ddec6cbbe22781d17965f1e6386e5a6363c058d2 Version: fed0d9f13266a22ce1fc9a97521ef9cdc6271a23 Version: fed0d9f13266a22ce1fc9a97521ef9cdc6271a23 Version: fed0d9f13266a22ce1fc9a97521ef9cdc6271a23 Version: fed0d9f13266a22ce1fc9a97521ef9cdc6271a23 Version: 8bfcbaa379694e05290fcff21f4bd40afcf88776 Version: 5.15.54 ≤ Version: 5.18.11 ≤ |
||
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CVE-2022-48957 (GCVE-0-2022-48957)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
dpaa2-switch: Fix memory leak in dpaa2_switch_acl_entry_add() and dpaa2_switch_acl_entry_remove()
The cmd_buff needs to be freed when error happened in
dpaa2_switch_acl_entry_add() and dpaa2_switch_acl_entry_remove().
References
Impacted products
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CVE-2021-47594 (GCVE-0-2021-47594)
Vulnerability from cvelistv5
Published
2024-06-19 14:53
Modified
2026-05-11 13:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: never allow the PM to close a listener subflow
Currently, when deleting an endpoint the netlink PM treverses
all the local MPTCP sockets, regardless of their status.
If an MPTCP listener socket is bound to the IP matching the
delete endpoint, the listener TCP socket will be closed.
That is unexpected, the PM should only affect data subflows.
Additionally, syzbot was able to trigger a NULL ptr dereference
due to the above:
general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 1 PID: 6550 Comm: syz-executor122 Not tainted 5.16.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xd7d/0x54a0 kernel/locking/lockdep.c:4897
Code: 0f 0e 41 be 01 00 00 00 0f 86 c8 00 00 00 89 05 69 cc 0f 0e e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 f3 2f 00 00 48 81 3b 20 75 17 8f 0f 84 52 f3 ff
RSP: 0018:ffffc90001f2f818 EFLAGS: 00010016
RAX: dffffc0000000000 RBX: 0000000000000018 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 000000000000000a R12: 0000000000000000
R13: ffff88801b98d700 R14: 0000000000000000 R15: 0000000000000001
FS: 00007f177cd3d700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f177cd1b268 CR3: 000000001dd55000 CR4: 0000000000350ee0
Call Trace:
<TASK>
lock_acquire kernel/locking/lockdep.c:5637 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
finish_wait+0xc0/0x270 kernel/sched/wait.c:400
inet_csk_wait_for_connect net/ipv4/inet_connection_sock.c:464 [inline]
inet_csk_accept+0x7de/0x9d0 net/ipv4/inet_connection_sock.c:497
mptcp_accept+0xe5/0x500 net/mptcp/protocol.c:2865
inet_accept+0xe4/0x7b0 net/ipv4/af_inet.c:739
mptcp_stream_accept+0x2e7/0x10e0 net/mptcp/protocol.c:3345
do_accept+0x382/0x510 net/socket.c:1773
__sys_accept4_file+0x7e/0xe0 net/socket.c:1816
__sys_accept4+0xb0/0x100 net/socket.c:1846
__do_sys_accept net/socket.c:1864 [inline]
__se_sys_accept net/socket.c:1861 [inline]
__x64_sys_accept+0x71/0xb0 net/socket.c:1861
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f177cd8b8e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f177cd3d308 EFLAGS: 00000246 ORIG_RAX: 000000000000002b
RAX: ffffffffffffffda RBX: 00007f177ce13408 RCX: 00007f177cd8b8e9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f177ce13400 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f177ce1340c
R13: 00007f177cde1004 R14: 6d705f706374706d R15: 0000000000022000
</TASK>
Fix the issue explicitly skipping MPTCP socket in TCP_LISTEN
status.
References
Impacted products
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CVE-2024-53060 (GCVE-0-2024-53060)
Vulnerability from cvelistv5
Published
2024-11-19 17:22
Modified
2026-05-11 20:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: prevent NULL pointer dereference if ATIF is not supported
acpi_evaluate_object() may return AE_NOT_FOUND (failure), which
would result in dereferencing buffer.pointer (obj) while being NULL.
Although this case may be unrealistic for the current code, it is
still better to protect against possible bugs.
Bail out also when status is AE_NOT_FOUND.
This fixes 1 FORWARD_NULL issue reported by Coverity
Report: CID 1600951: Null pointer dereferences (FORWARD_NULL)
(cherry picked from commit 91c9e221fe2553edf2db71627d8453f083de87a1)
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 58556dcbd5606a5daccaee73b2130bc16b48e025 Version: 43b4fa6e0e238c6e2662f4fb61d9f51c2785fb1d Version: 234682910971732cd4da96fd95946e296e486b38 Version: 6032287747f874b52dc8b9d7490e2799736e035f Version: cd67af3c1762de4c2483ae4dbdd98f9ea8fa56e3 Version: 975ede2a7bec52b5da1428829b3439667c8a234b Version: 1d7175f9c57b1abf9ecfbdfd53ea760761f52ffe Version: bf58f03931fdcf7b3c45cb76ac13244477a60f44 |
||
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CVE-2024-46834 (GCVE-0-2024-46834)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ethtool: fail closed if we can't get max channel used in indirection tables
Commit 0d1b7d6c9274 ("bnxt: fix crashes when reducing ring count with
active RSS contexts") proves that allowing indirection table to contain
channels with out of bounds IDs may lead to crashes. Currently the
max channel check in the core gets skipped if driver can't fetch
the indirection table or when we can't allocate memory.
Both of those conditions should be extremely rare but if they do
happen we should try to be safe and fail the channel change.
References
Impacted products
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CVE-2024-50259 (GCVE-0-2024-50259)
Vulnerability from cvelistv5
Published
2024-11-09 10:15
Modified
2026-05-11 20:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netdevsim: Add trailing zero to terminate the string in nsim_nexthop_bucket_activity_write()
This was found by a static analyzer.
We should not forget the trailing zero after copy_from_user()
if we will further do some string operations, sscanf() in this
case. Adding a trailing zero will ensure that the function
performs properly.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-53142 (GCVE-0-2024-53142)
Vulnerability from cvelistv5
Published
2024-12-06 09:37
Modified
2026-05-11 20:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
initramfs: avoid filename buffer overrun
The initramfs filename field is defined in
Documentation/driver-api/early-userspace/buffer-format.rst as:
37 cpio_file := ALGN(4) + cpio_header + filename + "\0" + ALGN(4) + data
...
55 ============= ================== =========================
56 Field name Field size Meaning
57 ============= ================== =========================
...
70 c_namesize 8 bytes Length of filename, including final \0
When extracting an initramfs cpio archive, the kernel's do_name() path
handler assumes a zero-terminated path at @collected, passing it
directly to filp_open() / init_mkdir() / init_mknod().
If a specially crafted cpio entry carries a non-zero-terminated filename
and is followed by uninitialized memory, then a file may be created with
trailing characters that represent the uninitialized memory. The ability
to create an initramfs entry would imply already having full control of
the system, so the buffer overrun shouldn't be considered a security
vulnerability.
Append the output of the following bash script to an existing initramfs
and observe any created /initramfs_test_fname_overrunAA* path. E.g.
./reproducer.sh | gzip >> /myinitramfs
It's easiest to observe non-zero uninitialized memory when the output is
gzipped, as it'll overflow the heap allocated @out_buf in __gunzip(),
rather than the initrd_start+initrd_size block.
---- reproducer.sh ----
nilchar="A" # change to "\0" to properly zero terminate / pad
magic="070701"
ino=1
mode=$(( 0100777 ))
uid=0
gid=0
nlink=1
mtime=1
filesize=0
devmajor=0
devminor=1
rdevmajor=0
rdevminor=0
csum=0
fname="initramfs_test_fname_overrun"
namelen=$(( ${#fname} + 1 )) # plus one to account for terminator
printf "%s%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%s" \
$magic $ino $mode $uid $gid $nlink $mtime $filesize \
$devmajor $devminor $rdevmajor $rdevminor $namelen $csum $fname
termpadlen=$(( 1 + ((4 - ((110 + $namelen) & 3)) % 4) ))
printf "%.s${nilchar}" $(seq 1 $termpadlen)
---- reproducer.sh ----
Symlink filename fields handled in do_symlink() won't overrun past the
data segment, due to the explicit zero-termination of the symlink
target.
Fix filename buffer overrun by aborting the initramfs FSM if any cpio
entry doesn't carry a zero-terminator at the expected (name_len - 1)
offset.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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CVE-2024-46816 (GCVE-0-2024-46816)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links
[Why]
Coverity report OVERRUN warning. There are
only max_links elements within dc->links. link
count could up to AMDGPU_DM_MAX_DISPLAY_INDEX 31.
[How]
Make sure link count less than max_links.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
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CVE-2024-53061 (GCVE-0-2024-53061)
Vulnerability from cvelistv5
Published
2024-11-19 17:22
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: s5p-jpeg: prevent buffer overflows
The current logic allows word to be less than 2. If this happens,
there will be buffer overflows, as reported by smatch. Add extra
checks to prevent it.
While here, remove an unused word = 0 assignment.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
| Linux | Linux |
Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 |
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CVE-2023-52915 (GCVE-0-2023-52915)
Vulnerability from cvelistv5
Published
2024-09-06 09:07
Modified
2026-05-11 19:35
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer
In af9035_i2c_master_xfer, msg is controlled by user. When msg[i].buf
is null and msg[i].len is zero, former checks on msg[i].buf would be
passed. Malicious data finally reach af9035_i2c_master_xfer. If accessing
msg[i].buf[0] without sanity check, null ptr deref would happen.
We add check on msg[i].len to prevent crash.
Similar commit:
commit 0ed554fd769a
("media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()")
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273 Version: 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273 Version: 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273 Version: 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273 Version: 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273 Version: 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273 Version: 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273 Version: 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273 |
||
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CVE-2024-50265 (GCVE-0-2024-50265)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-11 20:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: remove entry once instead of null-ptr-dereference in ocfs2_xa_remove()
Syzkaller is able to provoke null-ptr-dereference in ocfs2_xa_remove():
[ 57.319872] (a.out,1161,7):ocfs2_xa_remove:2028 ERROR: status = -12
[ 57.320420] (a.out,1161,7):ocfs2_xa_cleanup_value_truncate:1999 ERROR: Partial truncate while removing xattr overlay.upper. Leaking 1 clusters and removing the entry
[ 57.321727] BUG: kernel NULL pointer dereference, address: 0000000000000004
[...]
[ 57.325727] RIP: 0010:ocfs2_xa_block_wipe_namevalue+0x2a/0xc0
[...]
[ 57.331328] Call Trace:
[ 57.331477] <TASK>
[...]
[ 57.333511] ? do_user_addr_fault+0x3e5/0x740
[ 57.333778] ? exc_page_fault+0x70/0x170
[ 57.334016] ? asm_exc_page_fault+0x2b/0x30
[ 57.334263] ? __pfx_ocfs2_xa_block_wipe_namevalue+0x10/0x10
[ 57.334596] ? ocfs2_xa_block_wipe_namevalue+0x2a/0xc0
[ 57.334913] ocfs2_xa_remove_entry+0x23/0xc0
[ 57.335164] ocfs2_xa_set+0x704/0xcf0
[ 57.335381] ? _raw_spin_unlock+0x1a/0x40
[ 57.335620] ? ocfs2_inode_cache_unlock+0x16/0x20
[ 57.335915] ? trace_preempt_on+0x1e/0x70
[ 57.336153] ? start_this_handle+0x16c/0x500
[ 57.336410] ? preempt_count_sub+0x50/0x80
[ 57.336656] ? _raw_read_unlock+0x20/0x40
[ 57.336906] ? start_this_handle+0x16c/0x500
[ 57.337162] ocfs2_xattr_block_set+0xa6/0x1e0
[ 57.337424] __ocfs2_xattr_set_handle+0x1fd/0x5d0
[ 57.337706] ? ocfs2_start_trans+0x13d/0x290
[ 57.337971] ocfs2_xattr_set+0xb13/0xfb0
[ 57.338207] ? dput+0x46/0x1c0
[ 57.338393] ocfs2_xattr_trusted_set+0x28/0x30
[ 57.338665] ? ocfs2_xattr_trusted_set+0x28/0x30
[ 57.338948] __vfs_removexattr+0x92/0xc0
[ 57.339182] __vfs_removexattr_locked+0xd5/0x190
[ 57.339456] ? preempt_count_sub+0x50/0x80
[ 57.339705] vfs_removexattr+0x5f/0x100
[...]
Reproducer uses faultinject facility to fail ocfs2_xa_remove() ->
ocfs2_xa_value_truncate() with -ENOMEM.
In this case the comment mentions that we can return 0 if
ocfs2_xa_cleanup_value_truncate() is going to wipe the entry
anyway. But the following 'rc' check is wrong and execution flow do
'ocfs2_xa_remove_entry(loc);' twice:
* 1st: in ocfs2_xa_cleanup_value_truncate();
* 2nd: returning back to ocfs2_xa_remove() instead of going to 'out'.
Fix this by skipping the 2nd removal of the same entry and making
syzkaller repro happy.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 399ff3a748cf4c8c853e96dd477153202636527b Version: 399ff3a748cf4c8c853e96dd477153202636527b Version: 399ff3a748cf4c8c853e96dd477153202636527b Version: 399ff3a748cf4c8c853e96dd477153202636527b Version: 399ff3a748cf4c8c853e96dd477153202636527b Version: 399ff3a748cf4c8c853e96dd477153202636527b Version: 399ff3a748cf4c8c853e96dd477153202636527b Version: 399ff3a748cf4c8c853e96dd477153202636527b |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: remove entry once instead of null-ptr-dereference in ocfs2_xa_remove()\n\nSyzkaller is able to provoke null-ptr-dereference in ocfs2_xa_remove():\n\n[ 57.319872] (a.out,1161,7):ocfs2_xa_remove:2028 ERROR: status = -12\n[ 57.320420] (a.out,1161,7):ocfs2_xa_cleanup_value_truncate:1999 ERROR: Partial truncate while removing xattr overlay.upper. Leaking 1 clusters and removing the entry\n[ 57.321727] BUG: kernel NULL pointer dereference, address: 0000000000000004\n[...]\n[ 57.325727] RIP: 0010:ocfs2_xa_block_wipe_namevalue+0x2a/0xc0\n[...]\n[ 57.331328] Call Trace:\n[ 57.331477] \u003cTASK\u003e\n[...]\n[ 57.333511] ? do_user_addr_fault+0x3e5/0x740\n[ 57.333778] ? exc_page_fault+0x70/0x170\n[ 57.334016] ? asm_exc_page_fault+0x2b/0x30\n[ 57.334263] ? __pfx_ocfs2_xa_block_wipe_namevalue+0x10/0x10\n[ 57.334596] ? ocfs2_xa_block_wipe_namevalue+0x2a/0xc0\n[ 57.334913] ocfs2_xa_remove_entry+0x23/0xc0\n[ 57.335164] ocfs2_xa_set+0x704/0xcf0\n[ 57.335381] ? _raw_spin_unlock+0x1a/0x40\n[ 57.335620] ? ocfs2_inode_cache_unlock+0x16/0x20\n[ 57.335915] ? trace_preempt_on+0x1e/0x70\n[ 57.336153] ? start_this_handle+0x16c/0x500\n[ 57.336410] ? preempt_count_sub+0x50/0x80\n[ 57.336656] ? _raw_read_unlock+0x20/0x40\n[ 57.336906] ? start_this_handle+0x16c/0x500\n[ 57.337162] ocfs2_xattr_block_set+0xa6/0x1e0\n[ 57.337424] __ocfs2_xattr_set_handle+0x1fd/0x5d0\n[ 57.337706] ? ocfs2_start_trans+0x13d/0x290\n[ 57.337971] ocfs2_xattr_set+0xb13/0xfb0\n[ 57.338207] ? dput+0x46/0x1c0\n[ 57.338393] ocfs2_xattr_trusted_set+0x28/0x30\n[ 57.338665] ? ocfs2_xattr_trusted_set+0x28/0x30\n[ 57.338948] __vfs_removexattr+0x92/0xc0\n[ 57.339182] __vfs_removexattr_locked+0xd5/0x190\n[ 57.339456] ? preempt_count_sub+0x50/0x80\n[ 57.339705] vfs_removexattr+0x5f/0x100\n[...]\n\nReproducer uses faultinject facility to fail ocfs2_xa_remove() -\u003e\nocfs2_xa_value_truncate() with -ENOMEM.\n\nIn this case the comment mentions that we can return 0 if\nocfs2_xa_cleanup_value_truncate() is going to wipe the entry\nanyway. But the following \u0027rc\u0027 check is wrong and execution flow do\n\u0027ocfs2_xa_remove_entry(loc);\u0027 twice:\n* 1st: in ocfs2_xa_cleanup_value_truncate();\n* 2nd: returning back to ocfs2_xa_remove() instead of going to \u0027out\u0027.\n\nFix this by skipping the 2nd removal of the same entry and making\nsyzkaller repro happy."
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CVE-2024-50063 (GCVE-0-2024-50063)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Prevent tail call between progs attached to different hooks
bpf progs can be attached to kernel functions, and the attached functions
can take different parameters or return different return values. If
prog attached to one kernel function tail calls prog attached to another
kernel function, the ctx access or return value verification could be
bypassed.
For example, if prog1 is attached to func1 which takes only 1 parameter
and prog2 is attached to func2 which takes two parameters. Since verifier
assumes the bpf ctx passed to prog2 is constructed based on func2's
prototype, verifier allows prog2 to access the second parameter from
the bpf ctx passed to it. The problem is that verifier does not prevent
prog1 from passing its bpf ctx to prog2 via tail call. In this case,
the bpf ctx passed to prog2 is constructed from func1 instead of func2,
that is, the assumption for ctx access verification is bypassed.
Another example, if BPF LSM prog1 is attached to hook file_alloc_security,
and BPF LSM prog2 is attached to hook bpf_lsm_audit_rule_known. Verifier
knows the return value rules for these two hooks, e.g. it is legal for
bpf_lsm_audit_rule_known to return positive number 1, and it is illegal
for file_alloc_security to return positive number. So verifier allows
prog2 to return positive number 1, but does not allow prog1 to return
positive number. The problem is that verifier does not prevent prog1
from calling prog2 via tail call. In this case, prog2's return value 1
will be used as the return value for prog1's hook file_alloc_security.
That is, the return value rule is bypassed.
This patch adds restriction for tail call to prevent such bypasses.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47737 (GCVE-0-2024-47737)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfsd: call cache_put if xdr_reserve_space returns NULL
If not enough buffer space available, but idmap_lookup has triggered
lookup_fn which calls cache_get and returns successfully. Then we
missed to call cache_put here which pairs with cache_get.
Reviwed-by: Jeff Layton <jlayton@kernel.org>
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ddd1ea56367202f6c99135cd59de7a97af4c4ffd Version: ddd1ea56367202f6c99135cd59de7a97af4c4ffd Version: ddd1ea56367202f6c99135cd59de7a97af4c4ffd Version: ddd1ea56367202f6c99135cd59de7a97af4c4ffd Version: ddd1ea56367202f6c99135cd59de7a97af4c4ffd Version: ddd1ea56367202f6c99135cd59de7a97af4c4ffd Version: ddd1ea56367202f6c99135cd59de7a97af4c4ffd Version: ddd1ea56367202f6c99135cd59de7a97af4c4ffd Version: ddd1ea56367202f6c99135cd59de7a97af4c4ffd |
||
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CVE-2024-49969 (GCVE-0-2024-49969)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix index out of bounds in DCN30 color transformation
This commit addresses a potential index out of bounds issue in the
`cm3_helper_translate_curve_to_hw_format` function in the DCN30 color
management module. The issue could occur when the index 'i' exceeds the
number of transfer function points (TRANSFER_FUNC_POINTS).
The fix adds a check to ensure 'i' is within bounds before accessing the
transfer function points. If 'i' is out of bounds, the function returns
false to indicate an error.
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:180 cm3_helper_translate_curve_to_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:181 cm3_helper_translate_curve_to_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:182 cm3_helper_translate_curve_to_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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"value": "AV:L - The vulnerable code is only reached through local DRM ioctls (`DRM_IOCTL_MODE_ATOMIC` / legacy gamma set) on `/dev/dri/card*`, driven by amdgpu_dm color-management properties. No remote peer or network data reaches `cm3_helper_translate_curve_to_hw_format`.\nAC:L - Triggering is fully deterministic and entirely attacker-driven: attach a degamma/shaper/blend LUT blob plus a transfer-function enum to a plane or CRTC and commit, and the driver unconditionally walks the loop. There is no race, timing window, or memory-layout precondition outside the attacker\u0027s control.\nPR:L - Only an unprivileged local user with DRM master on the card node is required \u2014 the normal state for the logged-in session\u0027s compositor or any process on the active VT \u2014 not real root. Setting the AMD plane degamma/shaper/blend TF and LUT properties needs no capability beyond that.\nUI:N - The attacker performs the property set and the atomic commit itself in a single sequence. No victim action, mount, or cooperating process is needed.\nS:U - The faulting access occurs in kernel context on the same host and affects only kernel/GPU-driver resources within the same security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - The flagged access is an out-of-bounds read of `output_tf-\u003etf_pts.red/green/blue[]` with an index the compiler and smatch cannot bound (`1025 \u003c= s32max`), so it is not a strictly bounded few-byte read. Kernel memory past the 1025-entry arrays is copied into `rgb_resulted[]` and programmed into the display pipeline\u0027s LUT registers.\nI:H - Out-of-range `struct fixed31_32` values sourced from adjacent kernel memory are propagated into `lut_params`/`pwl_params` and written into GPU gamut/gamma hardware registers, corrupting driver and hardware state with data the caller never validated. Consistent with the sibling amd/display index-check fixes (CVE-2024-56784, CVE-2024-56608), this class of unchecked array indexing is treated as memory corruption.\nA:H - An unbounded index into the transfer-function point arrays dereferences memory that may be unmapped, producing a kernel oops inside the atomic-commit path while display-pipeline locks are held, which wedges modesetting and panics the box under `panic_on_oops`."
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CVE-2024-50201 (GCVE-0-2024-50201)
Vulnerability from cvelistv5
Published
2024-11-08 05:56
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/radeon: Fix encoder->possible_clones
Include the encoder itself in its possible_clones bitmask.
In the past nothing validated that drivers were populating
possible_clones correctly, but that changed in commit
74d2aacbe840 ("drm: Validate encoder->possible_clones").
Looks like radeon never got the memo and is still not
following the rules 100% correctly.
This results in some warnings during driver initialization:
Bogus possible_clones: [ENCODER:46:TV-46] possible_clones=0x4 (full encoder mask=0x7)
WARNING: CPU: 0 PID: 170 at drivers/gpu/drm/drm_mode_config.c:615 drm_mode_config_validate+0x113/0x39c
...
(cherry picked from commit 3b6e7d40649c0d75572039aff9d0911864c689db)
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 74d2aacbe84042d89f572a3112a146fca05bfcb1 Version: 74d2aacbe84042d89f572a3112a146fca05bfcb1 Version: 74d2aacbe84042d89f572a3112a146fca05bfcb1 Version: 74d2aacbe84042d89f572a3112a146fca05bfcb1 Version: 74d2aacbe84042d89f572a3112a146fca05bfcb1 Version: 74d2aacbe84042d89f572a3112a146fca05bfcb1 |
||
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CVE-2024-47693 (GCVE-0-2024-47693)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
IB/core: Fix ib_cache_setup_one error flow cleanup
When ib_cache_update return an error, we exit ib_cache_setup_one
instantly with no proper cleanup, even though before this we had
already successfully done gid_table_setup_one, that results in
the kernel WARN below.
Do proper cleanup using gid_table_cleanup_one before returning
the err in order to fix the issue.
WARNING: CPU: 4 PID: 922 at drivers/infiniband/core/cache.c:806 gid_table_release_one+0x181/0x1a0
Modules linked in:
CPU: 4 UID: 0 PID: 922 Comm: c_repro Not tainted 6.11.0-rc1+ #3
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
RIP: 0010:gid_table_release_one+0x181/0x1a0
Code: 44 8b 38 75 0c e8 2f cb 34 ff 4d 8b b5 28 05 00 00 e8 23 cb 34 ff 44 89 f9 89 da 4c 89 f6 48 c7 c7 d0 58 14 83 e8 4f de 21 ff <0f> 0b 4c 8b 75 30 e9 54 ff ff ff 48 8 3 c4 10 5b 5d 41 5c 41 5d 41
RSP: 0018:ffffc90002b835b0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff811c8527
RDX: 0000000000000000 RSI: ffffffff811c8534 RDI: 0000000000000001
RBP: ffff8881011b3d00 R08: ffff88810b3abe00 R09: 205d303839303631
R10: 666572207972746e R11: 72746e6520444947 R12: 0000000000000001
R13: ffff888106390000 R14: ffff8881011f2110 R15: 0000000000000001
FS: 00007fecc3b70800(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000340 CR3: 000000010435a001 CR4: 00000000003706b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
? show_regs+0x94/0xa0
? __warn+0x9e/0x1c0
? gid_table_release_one+0x181/0x1a0
? report_bug+0x1f9/0x340
? gid_table_release_one+0x181/0x1a0
? handle_bug+0xa2/0x110
? exc_invalid_op+0x31/0xa0
? asm_exc_invalid_op+0x16/0x20
? __warn_printk+0xc7/0x180
? __warn_printk+0xd4/0x180
? gid_table_release_one+0x181/0x1a0
ib_device_release+0x71/0xe0
? __pfx_ib_device_release+0x10/0x10
device_release+0x44/0xd0
kobject_put+0x135/0x3d0
put_device+0x20/0x30
rxe_net_add+0x7d/0xa0
rxe_newlink+0xd7/0x190
nldev_newlink+0x1b0/0x2a0
? __pfx_nldev_newlink+0x10/0x10
rdma_nl_rcv_msg+0x1ad/0x2e0
rdma_nl_rcv_skb.constprop.0+0x176/0x210
netlink_unicast+0x2de/0x400
netlink_sendmsg+0x306/0x660
__sock_sendmsg+0x110/0x120
____sys_sendmsg+0x30e/0x390
___sys_sendmsg+0x9b/0xf0
? kstrtouint+0x6e/0xa0
? kstrtouint_from_user+0x7c/0xb0
? get_pid_task+0xb0/0xd0
? proc_fail_nth_write+0x5b/0x140
? __fget_light+0x9a/0x200
? preempt_count_add+0x47/0xa0
__sys_sendmsg+0x61/0xd0
do_syscall_64+0x50/0x110
entry_SYSCALL_64_after_hwframe+0x76/0x7e
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1901b91f99821955eac2bd48fe25ee983385dc00 Version: 1901b91f99821955eac2bd48fe25ee983385dc00 Version: 1901b91f99821955eac2bd48fe25ee983385dc00 Version: 1901b91f99821955eac2bd48fe25ee983385dc00 Version: 1901b91f99821955eac2bd48fe25ee983385dc00 Version: 1901b91f99821955eac2bd48fe25ee983385dc00 Version: ee7ce7d7e7c76d5ec4c8067d32bbee9728dc9d29 Version: 2a5968f266c7b9dc13917ac573af8d7b7da4023c Version: 5.4.42 ≤ Version: 5.6.14 ≤ |
||
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CVE-2024-50064 (GCVE-0-2024-50064)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
zram: free secondary algorithms names
We need to kfree() secondary algorithms names when reset zram device that
had multi-streams, otherwise we leak memory.
[senozhatsky@chromium.org: kfree(NULL) is legal]
References
Impacted products
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CVE-2024-44947 (GCVE-0-2024-44947)
Vulnerability from cvelistv5
Published
2024-09-02 17:36
Modified
2026-05-11 20:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fuse: Initialize beyond-EOF page contents before setting uptodate
fuse_notify_store(), unlike fuse_do_readpage(), does not enable page
zeroing (because it can be used to change partial page contents).
So fuse_notify_store() must be more careful to fully initialize page
contents (including parts of the page that are beyond end-of-file)
before marking the page uptodate.
The current code can leave beyond-EOF page contents uninitialized, which
makes these uninitialized page contents visible to userspace via mmap().
This is an information leak, but only affects systems which do not
enable init-on-alloc (via CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y or the
corresponding kernel command line parameter).
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a1d75f258230b75d46aecdf28b2e732413028863 Version: a1d75f258230b75d46aecdf28b2e732413028863 Version: a1d75f258230b75d46aecdf28b2e732413028863 Version: a1d75f258230b75d46aecdf28b2e732413028863 Version: a1d75f258230b75d46aecdf28b2e732413028863 Version: a1d75f258230b75d46aecdf28b2e732413028863 Version: a1d75f258230b75d46aecdf28b2e732413028863 Version: a1d75f258230b75d46aecdf28b2e732413028863 |
||
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CVE-2024-46849 (GCVE-0-2024-46849)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ASoC: meson: axg-card: fix 'use-after-free'
Buffer 'card->dai_link' is reallocated in 'meson_card_reallocate_links()',
so move 'pad' pointer initialization after this function when memory is
already reallocated.
Kasan bug report:
==================================================================
BUG: KASAN: slab-use-after-free in axg_card_add_link+0x76c/0x9bc
Read of size 8 at addr ffff000000e8b260 by task modprobe/356
CPU: 0 PID: 356 Comm: modprobe Tainted: G O 6.9.12-sdkernel #1
Call trace:
dump_backtrace+0x94/0xec
show_stack+0x18/0x24
dump_stack_lvl+0x78/0x90
print_report+0xfc/0x5c0
kasan_report+0xb8/0xfc
__asan_load8+0x9c/0xb8
axg_card_add_link+0x76c/0x9bc [snd_soc_meson_axg_sound_card]
meson_card_probe+0x344/0x3b8 [snd_soc_meson_card_utils]
platform_probe+0x8c/0xf4
really_probe+0x110/0x39c
__driver_probe_device+0xb8/0x18c
driver_probe_device+0x108/0x1d8
__driver_attach+0xd0/0x25c
bus_for_each_dev+0xe0/0x154
driver_attach+0x34/0x44
bus_add_driver+0x134/0x294
driver_register+0xa8/0x1e8
__platform_driver_register+0x44/0x54
axg_card_pdrv_init+0x20/0x1000 [snd_soc_meson_axg_sound_card]
do_one_initcall+0xdc/0x25c
do_init_module+0x10c/0x334
load_module+0x24c4/0x26cc
init_module_from_file+0xd4/0x128
__arm64_sys_finit_module+0x1f4/0x41c
invoke_syscall+0x60/0x188
el0_svc_common.constprop.0+0x78/0x13c
do_el0_svc+0x30/0x40
el0_svc+0x38/0x78
el0t_64_sync_handler+0x100/0x12c
el0t_64_sync+0x190/0x194
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b Version: 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b Version: 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b Version: 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b Version: 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b Version: 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b Version: 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b |
||
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CVE-2024-53058 (GCVE-0-2024-53058)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: stmmac: TSO: Fix unbalanced DMA map/unmap for non-paged SKB data
In case the non-paged data of a SKB carries protocol header and protocol
payload to be transmitted on a certain platform that the DMA AXI address
width is configured to 40-bit/48-bit, or the size of the non-paged data
is bigger than TSO_MAX_BUFF_SIZE on a certain platform that the DMA AXI
address width is configured to 32-bit, then this SKB requires at least
two DMA transmit descriptors to serve it.
For example, three descriptors are allocated to split one DMA buffer
mapped from one piece of non-paged data:
dma_desc[N + 0],
dma_desc[N + 1],
dma_desc[N + 2].
Then three elements of tx_q->tx_skbuff_dma[] will be allocated to hold
extra information to be reused in stmmac_tx_clean():
tx_q->tx_skbuff_dma[N + 0],
tx_q->tx_skbuff_dma[N + 1],
tx_q->tx_skbuff_dma[N + 2].
Now we focus on tx_q->tx_skbuff_dma[entry].buf, which is the DMA buffer
address returned by DMA mapping call. stmmac_tx_clean() will try to
unmap the DMA buffer _ONLY_IF_ tx_q->tx_skbuff_dma[entry].buf
is a valid buffer address.
The expected behavior that saves DMA buffer address of this non-paged
data to tx_q->tx_skbuff_dma[entry].buf is:
tx_q->tx_skbuff_dma[N + 0].buf = NULL;
tx_q->tx_skbuff_dma[N + 1].buf = NULL;
tx_q->tx_skbuff_dma[N + 2].buf = dma_map_single();
Unfortunately, the current code misbehaves like this:
tx_q->tx_skbuff_dma[N + 0].buf = dma_map_single();
tx_q->tx_skbuff_dma[N + 1].buf = NULL;
tx_q->tx_skbuff_dma[N + 2].buf = NULL;
On the stmmac_tx_clean() side, when dma_desc[N + 0] is closed by the
DMA engine, tx_q->tx_skbuff_dma[N + 0].buf is a valid buffer address
obviously, then the DMA buffer will be unmapped immediately.
There may be a rare case that the DMA engine does not finish the
pending dma_desc[N + 1], dma_desc[N + 2] yet. Now things will go
horribly wrong, DMA is going to access a unmapped/unreferenced memory
region, corrupted data will be transmited or iommu fault will be
triggered :(
In contrast, the for-loop that maps SKB fragments behaves perfectly
as expected, and that is how the driver should do for both non-paged
data and paged frags actually.
This patch corrects DMA map/unmap sequences by fixing the array index
for tx_q->tx_skbuff_dma[entry].buf when assigning DMA buffer address.
Tested and verified on DWXGMAC CORE 3.20a
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: stmmac: TSO: Fix unbalanced DMA map/unmap for non-paged SKB data\n\nIn case the non-paged data of a SKB carries protocol header and protocol\npayload to be transmitted on a certain platform that the DMA AXI address\nwidth is configured to 40-bit/48-bit, or the size of the non-paged data\nis bigger than TSO_MAX_BUFF_SIZE on a certain platform that the DMA AXI\naddress width is configured to 32-bit, then this SKB requires at least\ntwo DMA transmit descriptors to serve it.\n\nFor example, three descriptors are allocated to split one DMA buffer\nmapped from one piece of non-paged data:\n dma_desc[N + 0],\n dma_desc[N + 1],\n dma_desc[N + 2].\nThen three elements of tx_q-\u003etx_skbuff_dma[] will be allocated to hold\nextra information to be reused in stmmac_tx_clean():\n tx_q-\u003etx_skbuff_dma[N + 0],\n tx_q-\u003etx_skbuff_dma[N + 1],\n tx_q-\u003etx_skbuff_dma[N + 2].\nNow we focus on tx_q-\u003etx_skbuff_dma[entry].buf, which is the DMA buffer\naddress returned by DMA mapping call. stmmac_tx_clean() will try to\nunmap the DMA buffer _ONLY_IF_ tx_q-\u003etx_skbuff_dma[entry].buf\nis a valid buffer address.\n\nThe expected behavior that saves DMA buffer address of this non-paged\ndata to tx_q-\u003etx_skbuff_dma[entry].buf is:\n tx_q-\u003etx_skbuff_dma[N + 0].buf = NULL;\n tx_q-\u003etx_skbuff_dma[N + 1].buf = NULL;\n tx_q-\u003etx_skbuff_dma[N + 2].buf = dma_map_single();\nUnfortunately, the current code misbehaves like this:\n tx_q-\u003etx_skbuff_dma[N + 0].buf = dma_map_single();\n tx_q-\u003etx_skbuff_dma[N + 1].buf = NULL;\n tx_q-\u003etx_skbuff_dma[N + 2].buf = NULL;\n\nOn the stmmac_tx_clean() side, when dma_desc[N + 0] is closed by the\nDMA engine, tx_q-\u003etx_skbuff_dma[N + 0].buf is a valid buffer address\nobviously, then the DMA buffer will be unmapped immediately.\nThere may be a rare case that the DMA engine does not finish the\npending dma_desc[N + 1], dma_desc[N + 2] yet. Now things will go\nhorribly wrong, DMA is going to access a unmapped/unreferenced memory\nregion, corrupted data will be transmited or iommu fault will be\ntriggered :(\n\nIn contrast, the for-loop that maps SKB fragments behaves perfectly\nas expected, and that is how the driver should do for both non-paged\ndata and paged frags actually.\n\nThis patch corrects DMA map/unmap sequences by fixing the array index\nfor tx_q-\u003etx_skbuff_dma[entry].buf when assigning DMA buffer address.\n\nTested and verified on DWXGMAC CORE 3.20a"
}
],
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"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:N - The vulnerable code is the stmmac TSO transmit path, driven directly by remote traffic \u2014 an unauthenticated peer pulling data from any service on the device, or forwarded/GRO-coalesced streams re-segmented on egress by an stmmac-based gateway, arm the bug, and the resulting corrupted frames (carrying recycled kernel memory) are delivered to that remote peer. The attacker set is not bounded to the local LAN or local machine.\nAC:L - On the common 40/48-bit AXI platforms the mismatched map/unmap occurs on essentially every TSO frame whose linear head carries payload, in the default configuration, and the attacker can drive that path at line rate without limit, so the DMA-completion window is hit repeatedly rather than requiring a skilled one-shot race win.\nPR:N - No authentication or privilege is needed \u2014 merely causing the host to transmit large TCP/UDP-GSO data (a plain TCP connection to any listening service, or traffic routed through the device) reaches the code; locally, an ordinary unprivileged socket send suffices.\nUI:N - Triggering requires only network traffic to or through the affected interface; no action by any local user or administrator is involved.\nS:U - The stale IOVA is recycled within the same device\u0027s own DMA domain and the impacted resources belong to the kernel that owns the driver, so no security authority boundary (VM, IOMMU domain, sandbox) is crossed.\nC:H - When the unmapped IOVA or SWIOTLB slot is reused before the engine finishes, the MAC reads whatever buffer now occupies it \u2014 other sockets\u0027 packet data, page-pool/page-frag pages, or another device\u0027s bounced I/O \u2014 and transmits it on the wire with valid hardware checksums, handing an unbounded amount of kernel memory straight to the remote peer.\nI:L - Outbound frame contents are silently replaced with unrelated memory and re-checksummed by hardware, so peers accept corrupted data undetected, but the device only performs DMA reads \u2014 there is no kernel write primitive and the attacker cannot control what gets corrupted.\nA:H - DMA to a torn-down mapping raises IOMMU translation faults and aborted transactions, producing TX errors, log floods, TX-watchdog-driven device resets and link loss, and on SoCs that escalate the resulting bus error an unrecoverable external abort."
}
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CVE-2022-49011 (GCVE-0-2022-49011)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
hwmon: (coretemp) fix pci device refcount leak in nv1a_ram_new()
As comment of pci_get_domain_bus_and_slot() says, it returns
a pci device with refcount increment, when finish using it,
the caller must decrement the reference count by calling
pci_dev_put(). So call it after using to avoid refcount leak.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 14513ee696a0cd12a19318e433b75a786808adc3 Version: 14513ee696a0cd12a19318e433b75a786808adc3 Version: 14513ee696a0cd12a19318e433b75a786808adc3 Version: 14513ee696a0cd12a19318e433b75a786808adc3 Version: 14513ee696a0cd12a19318e433b75a786808adc3 Version: 14513ee696a0cd12a19318e433b75a786808adc3 Version: 14513ee696a0cd12a19318e433b75a786808adc3 Version: 14513ee696a0cd12a19318e433b75a786808adc3 |
||
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}
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CVE-2024-49938 (GCVE-0-2024-49938)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-12 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath9k_htc: Use __skb_set_length() for resetting urb before resubmit
Syzbot points out that skb_trim() has a sanity check on the existing length of
the skb, which can be uninitialised in some error paths. The intent here is
clearly just to reset the length to zero before resubmitting, so switch to
calling __skb_set_length(skb, 0) directly. In addition, __skb_set_length()
already contains a call to skb_reset_tail_pointer(), so remove the redundant
call.
The syzbot report came from ath9k_hif_usb_reg_in_cb(), but there's a similar
usage of skb_trim() in ath9k_hif_usb_rx_cb(), change both while we're at it.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fb9987d0f748c983bb795a86f47522313f701a08 Version: fb9987d0f748c983bb795a86f47522313f701a08 Version: fb9987d0f748c983bb795a86f47522313f701a08 Version: fb9987d0f748c983bb795a86f47522313f701a08 Version: fb9987d0f748c983bb795a86f47522313f701a08 Version: fb9987d0f748c983bb795a86f47522313f701a08 Version: fb9987d0f748c983bb795a86f47522313f701a08 Version: fb9987d0f748c983bb795a86f47522313f701a08 Version: fb9987d0f748c983bb795a86f47522313f701a08 |
||
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CVE-2024-50292 (GCVE-0-2024-50292)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove
In case of error when requesting ctrl_chan DMA channel, ctrl_chan is not
null. So the release of the dma channel leads to the following issue:
[ 4.879000] st,stm32-spdifrx 500d0000.audio-controller:
dma_request_slave_channel error -19
[ 4.888975] Unable to handle kernel NULL pointer dereference
at virtual address 000000000000003d
[...]
[ 5.096577] Call trace:
[ 5.099099] dma_release_channel+0x24/0x100
[ 5.103235] stm32_spdifrx_remove+0x24/0x60 [snd_soc_stm32_spdifrx]
[ 5.109494] stm32_spdifrx_probe+0x320/0x4c4 [snd_soc_stm32_spdifrx]
To avoid this issue, release channel only if the pointer is valid.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 794df9448edb55978e50372f083aeedade1b2844 Version: 794df9448edb55978e50372f083aeedade1b2844 Version: 794df9448edb55978e50372f083aeedade1b2844 Version: 794df9448edb55978e50372f083aeedade1b2844 Version: 794df9448edb55978e50372f083aeedade1b2844 Version: 794df9448edb55978e50372f083aeedade1b2844 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove\n\nIn case of error when requesting ctrl_chan DMA channel, ctrl_chan is not\nnull. So the release of the dma channel leads to the following issue:\n[ 4.879000] st,stm32-spdifrx 500d0000.audio-controller:\ndma_request_slave_channel error -19\n[ 4.888975] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000003d\n[...]\n[ 5.096577] Call trace:\n[ 5.099099] dma_release_channel+0x24/0x100\n[ 5.103235] stm32_spdifrx_remove+0x24/0x60 [snd_soc_stm32_spdifrx]\n[ 5.109494] stm32_spdifrx_probe+0x320/0x4c4 [snd_soc_stm32_spdifrx]\n\nTo avoid this issue, release channel only if the pointer is valid."
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"datePublished": "2024-11-19T01:30:38.036Z",
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CVE-2024-49863 (GCVE-0-2024-49863)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vhost/scsi: null-ptr-dereference in vhost_scsi_get_req()
Since commit 3f8ca2e115e5 ("vhost/scsi: Extract common handling code
from control queue handler") a null pointer dereference bug can be
triggered when guest sends an SCSI AN request.
In vhost_scsi_ctl_handle_vq(), `vc.target` is assigned with
`&v_req.tmf.lun[1]` within a switch-case block and is then passed to
vhost_scsi_get_req() which extracts `vc->req` and `tpg`. However, for
a `VIRTIO_SCSI_T_AN_*` request, tpg is not required, so `vc.target` is
set to NULL in this branch. Later, in vhost_scsi_get_req(),
`vc->target` is dereferenced without being checked, leading to a null
pointer dereference bug. This bug can be triggered from guest.
When this bug occurs, the vhost_worker process is killed while holding
`vq->mutex` and the corresponding tpg will remain occupied
indefinitely.
Below is the KASAN report:
Oops: general protection fault, probably for non-canonical address
0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 840 Comm: poc Not tainted 6.10.0+ #1
Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS
1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:vhost_scsi_get_req+0x165/0x3a0
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2b 02 00 00
48 b8 00 00 00 00 00 fc ff df 4d 8b 65 30 4c 89 e2 48 c1 ea 03 <0f> b6
04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 be 01 00 00
RSP: 0018:ffff888017affb50 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88801b000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888017affcb8
RBP: ffff888017affb80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888017affc88 R14: ffff888017affd1c R15: ffff888017993000
FS: 000055556e076500(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200027c0 CR3: 0000000010ed0004 CR4: 0000000000370ef0
Call Trace:
<TASK>
? show_regs+0x86/0xa0
? die_addr+0x4b/0xd0
? exc_general_protection+0x163/0x260
? asm_exc_general_protection+0x27/0x30
? vhost_scsi_get_req+0x165/0x3a0
vhost_scsi_ctl_handle_vq+0x2a4/0xca0
? __pfx_vhost_scsi_ctl_handle_vq+0x10/0x10
? __switch_to+0x721/0xeb0
? __schedule+0xda5/0x5710
? __kasan_check_write+0x14/0x30
? _raw_spin_lock+0x82/0xf0
vhost_scsi_ctl_handle_kick+0x52/0x90
vhost_run_work_list+0x134/0x1b0
vhost_task_fn+0x121/0x350
...
</TASK>
---[ end trace 0000000000000000 ]---
Let's add a check in vhost_scsi_get_req.
[whitespace fixes]
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 3f8ca2e115e55af4c15d97dda635e948d2e380be Version: 3f8ca2e115e55af4c15d97dda635e948d2e380be Version: 3f8ca2e115e55af4c15d97dda635e948d2e380be Version: 3f8ca2e115e55af4c15d97dda635e948d2e380be Version: 3f8ca2e115e55af4c15d97dda635e948d2e380be Version: 3f8ca2e115e55af4c15d97dda635e948d2e380be Version: 3f8ca2e115e55af4c15d97dda635e948d2e380be |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvhost/scsi: null-ptr-dereference in vhost_scsi_get_req()\n\nSince commit 3f8ca2e115e5 (\"vhost/scsi: Extract common handling code\nfrom control queue handler\") a null pointer dereference bug can be\ntriggered when guest sends an SCSI AN request.\n\nIn vhost_scsi_ctl_handle_vq(), `vc.target` is assigned with\n`\u0026v_req.tmf.lun[1]` within a switch-case block and is then passed to\nvhost_scsi_get_req() which extracts `vc-\u003ereq` and `tpg`. However, for\na `VIRTIO_SCSI_T_AN_*` request, tpg is not required, so `vc.target` is\nset to NULL in this branch. Later, in vhost_scsi_get_req(),\n`vc-\u003etarget` is dereferenced without being checked, leading to a null\npointer dereference bug. This bug can be triggered from guest.\n\nWhen this bug occurs, the vhost_worker process is killed while holding\n`vq-\u003emutex` and the corresponding tpg will remain occupied\nindefinitely.\n\nBelow is the KASAN report:\nOops: general protection fault, probably for non-canonical address\n0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 1 PID: 840 Comm: poc Not tainted 6.10.0+ #1\nHardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS\n1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:vhost_scsi_get_req+0x165/0x3a0\nCode: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2b 02 00 00\n48 b8 00 00 00 00 00 fc ff df 4d 8b 65 30 4c 89 e2 48 c1 ea 03 \u003c0f\u003e b6\n04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 be 01 00 00\nRSP: 0018:ffff888017affb50 EFLAGS: 00010246\nRAX: dffffc0000000000 RBX: ffff88801b000000 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888017affcb8\nRBP: ffff888017affb80 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\nR13: ffff888017affc88 R14: ffff888017affd1c R15: ffff888017993000\nFS: 000055556e076500(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000200027c0 CR3: 0000000010ed0004 CR4: 0000000000370ef0\nCall Trace:\n \u003cTASK\u003e\n ? show_regs+0x86/0xa0\n ? die_addr+0x4b/0xd0\n ? exc_general_protection+0x163/0x260\n ? asm_exc_general_protection+0x27/0x30\n ? vhost_scsi_get_req+0x165/0x3a0\n vhost_scsi_ctl_handle_vq+0x2a4/0xca0\n ? __pfx_vhost_scsi_ctl_handle_vq+0x10/0x10\n ? __switch_to+0x721/0xeb0\n ? __schedule+0xda5/0x5710\n ? __kasan_check_write+0x14/0x30\n ? _raw_spin_lock+0x82/0xf0\n vhost_scsi_ctl_handle_kick+0x52/0x90\n vhost_run_work_list+0x134/0x1b0\n vhost_task_fn+0x121/0x350\n...\n \u003c/TASK\u003e\n---[ end trace 0000000000000000 ]---\n\nLet\u0027s add a check in vhost_scsi_get_req.\n\n[whitespace fixes]"
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CVE-2024-47665 (GCVE-0-2024-47665)
Vulnerability from cvelistv5
Published
2024-10-09 14:13
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i3c: mipi-i3c-hci: Error out instead on BUG_ON() in IBI DMA setup
Definitely condition dma_get_cache_alignment * defined value > 256
during driver initialization is not reason to BUG_ON(). Turn that to
graceful error out with -EINVAL.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-47742 (GCVE-0-2024-47742)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
firmware_loader: Block path traversal
Most firmware names are hardcoded strings, or are constructed from fairly
constrained format strings where the dynamic parts are just some hex
numbers or such.
However, there are a couple codepaths in the kernel where firmware file
names contain string components that are passed through from a device or
semi-privileged userspace; the ones I could find (not counting interfaces
that require root privileges) are:
- lpfc_sli4_request_firmware_update() seems to construct the firmware
filename from "ModelName", a string that was previously parsed out of
some descriptor ("Vital Product Data") in lpfc_fill_vpd()
- nfp_net_fw_find() seems to construct a firmware filename from a model
name coming from nfp_hwinfo_lookup(pf->hwinfo, "nffw.partno"), which I
think parses some descriptor that was read from the device.
(But this case likely isn't exploitable because the format string looks
like "netronome/nic_%s", and there shouldn't be any *folders* starting
with "netronome/nic_". The previous case was different because there,
the "%s" is *at the start* of the format string.)
- module_flash_fw_schedule() is reachable from the
ETHTOOL_MSG_MODULE_FW_FLASH_ACT netlink command, which is marked as
GENL_UNS_ADMIN_PERM (meaning CAP_NET_ADMIN inside a user namespace is
enough to pass the privilege check), and takes a userspace-provided
firmware name.
(But I think to reach this case, you need to have CAP_NET_ADMIN over a
network namespace that a special kind of ethernet device is mapped into,
so I think this is not a viable attack path in practice.)
Fix it by rejecting any firmware names containing ".." path components.
For what it's worth, I went looking and haven't found any USB device
drivers that use the firmware loader dangerously.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: abb139e75c2cdbb955e840d6331cb5863e409d0e Version: abb139e75c2cdbb955e840d6331cb5863e409d0e Version: abb139e75c2cdbb955e840d6331cb5863e409d0e Version: abb139e75c2cdbb955e840d6331cb5863e409d0e Version: abb139e75c2cdbb955e840d6331cb5863e409d0e Version: abb139e75c2cdbb955e840d6331cb5863e409d0e Version: abb139e75c2cdbb955e840d6331cb5863e409d0e Version: abb139e75c2cdbb955e840d6331cb5863e409d0e Version: abb139e75c2cdbb955e840d6331cb5863e409d0e |
||
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CVE-2024-26906 (GCVE-0-2024-26906)
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2026-05-12 11:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault()
When trying to use copy_from_kernel_nofault() to read vsyscall page
through a bpf program, the following oops was reported:
BUG: unable to handle page fault for address: ffffffffff600000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 3231067 P4D 3231067 PUD 3233067 PMD 3235067 PTE 0
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 20390 Comm: test_progs ...... 6.7.0+ #58
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996) ......
RIP: 0010:copy_from_kernel_nofault+0x6f/0x110
......
Call Trace:
<TASK>
? copy_from_kernel_nofault+0x6f/0x110
bpf_probe_read_kernel+0x1d/0x50
bpf_prog_2061065e56845f08_do_probe_read+0x51/0x8d
trace_call_bpf+0xc5/0x1c0
perf_call_bpf_enter.isra.0+0x69/0xb0
perf_syscall_enter+0x13e/0x200
syscall_trace_enter+0x188/0x1c0
do_syscall_64+0xb5/0xe0
entry_SYSCALL_64_after_hwframe+0x6e/0x76
</TASK>
......
---[ end trace 0000000000000000 ]---
The oops is triggered when:
1) A bpf program uses bpf_probe_read_kernel() to read from the vsyscall
page and invokes copy_from_kernel_nofault() which in turn calls
__get_user_asm().
2) Because the vsyscall page address is not readable from kernel space,
a page fault exception is triggered accordingly.
3) handle_page_fault() considers the vsyscall page address as a user
space address instead of a kernel space address. This results in the
fix-up setup by bpf not being applied and a page_fault_oops() is invoked
due to SMAP.
Considering handle_page_fault() has already considered the vsyscall page
address as a userspace address, fix the problem by disallowing vsyscall
page read for copy_from_kernel_nofault().
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 75a1a607bb7e6d918be3aca11ec2214a275392f4 Version: 75a1a607bb7e6d918be3aca11ec2214a275392f4 Version: 75a1a607bb7e6d918be3aca11ec2214a275392f4 Version: 75a1a607bb7e6d918be3aca11ec2214a275392f4 Version: 75a1a607bb7e6d918be3aca11ec2214a275392f4 Version: 75a1a607bb7e6d918be3aca11ec2214a275392f4 |
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CVE-2024-42253 (GCVE-0-2024-42253)
Vulnerability from cvelistv5
Published
2024-08-08 08:46
Modified
2026-08-05 11:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
gpio: pca953x: fix pca953x_irq_bus_sync_unlock race
Ensure that `i2c_lock' is held when setting interrupt latch and mask in
pca953x_irq_bus_sync_unlock() in order to avoid races.
The other (non-probe) call site pca953x_gpio_set_multiple() ensures the
lock is held before calling pca953x_write_regs().
The problem occurred when a request raced against irq_bus_sync_unlock()
approximately once per thousand reboots on an i.MX8MP based system.
* Normal case
0-0022: write register AI|3a {03,02,00,00,01} Input latch P0
0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0
0-0022: write register AI|08 {ff,00,00,00,00} Output P3
0-0022: write register AI|12 {fc,00,00,00,00} Config P3
* Race case
0-0022: write register AI|08 {ff,00,00,00,00} Output P3
0-0022: write register AI|08 {03,02,00,00,01} *** Wrong register ***
0-0022: write register AI|12 {fc,00,00,00,00} Config P3
0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-39476 (GCVE-0-2024-39476)
Vulnerability from cvelistv5
Published
2024-07-05 06:55
Modified
2026-05-23 15:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
md/raid5: fix deadlock that raid5d() wait for itself to clear MD_SB_CHANGE_PENDING
Xiao reported that lvm2 test lvconvert-raid-takeover.sh can hang with
small possibility, the root cause is exactly the same as commit
bed9e27baf52 ("Revert "md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d"")
However, Dan reported another hang after that, and junxiao investigated
the problem and found out that this is caused by plugged bio can't issue
from raid5d().
Current implementation in raid5d() has a weird dependence:
1) md_check_recovery() from raid5d() must hold 'reconfig_mutex' to clear
MD_SB_CHANGE_PENDING;
2) raid5d() handles IO in a deadloop, until all IO are issued;
3) IO from raid5d() must wait for MD_SB_CHANGE_PENDING to be cleared;
This behaviour is introduce before v2.6, and for consequence, if other
context hold 'reconfig_mutex', and md_check_recovery() can't update
super_block, then raid5d() will waste one cpu 100% by the deadloop, until
'reconfig_mutex' is released.
Refer to the implementation from raid1 and raid10, fix this problem by
skipping issue IO if MD_SB_CHANGE_PENDING is still set after
md_check_recovery(), daemon thread will be woken up when 'reconfig_mutex'
is released. Meanwhile, the hang problem will be fixed as well.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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||
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CVE-2024-53100 (GCVE-0-2024-53100)
Vulnerability from cvelistv5
Published
2024-11-25 21:21
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme: tcp: avoid race between queue_lock lock and destroy
Commit 76d54bf20cdc ("nvme-tcp: don't access released socket during
error recovery") added a mutex_lock() call for the queue->queue_lock
in nvme_tcp_get_address(). However, the mutex_lock() races with
mutex_destroy() in nvme_tcp_free_queue(), and causes the WARN below.
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 3 PID: 34077 at kernel/locking/mutex.c:587 __mutex_lock+0xcf0/0x1220
Modules linked in: nvmet_tcp nvmet nvme_tcp nvme_fabrics iw_cm ib_cm ib_core pktcdvd nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables qrtr sunrpc ppdev 9pnet_virtio 9pnet pcspkr netfs parport_pc parport e1000 i2c_piix4 i2c_smbus loop fuse nfnetlink zram bochs drm_vram_helper drm_ttm_helper ttm drm_kms_helper xfs drm sym53c8xx floppy nvme scsi_transport_spi nvme_core nvme_auth serio_raw ata_generic pata_acpi dm_multipath qemu_fw_cfg [last unloaded: ib_uverbs]
CPU: 3 UID: 0 PID: 34077 Comm: udisksd Not tainted 6.11.0-rc7 #319
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014
RIP: 0010:__mutex_lock+0xcf0/0x1220
Code: 08 84 d2 0f 85 c8 04 00 00 8b 15 ef b6 c8 01 85 d2 0f 85 78 f4 ff ff 48 c7 c6 20 93 ee af 48 c7 c7 60 91 ee af e8 f0 a7 6d fd <0f> 0b e9 5e f4 ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1
RSP: 0018:ffff88811305f760 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88812c652058 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffff88811305f8b0 R08: 0000000000000001 R09: ffffed1075c36341
R10: ffff8883ae1b1a0b R11: 0000000000010498 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88812c652058
FS: 00007f9713ae4980(0000) GS:ffff8883ae180000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcd78483c7c CR3: 0000000122c38000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
? __warn.cold+0x5b/0x1af
? __mutex_lock+0xcf0/0x1220
? report_bug+0x1ec/0x390
? handle_bug+0x3c/0x80
? exc_invalid_op+0x13/0x40
? asm_exc_invalid_op+0x16/0x20
? __mutex_lock+0xcf0/0x1220
? nvme_tcp_get_address+0xc2/0x1e0 [nvme_tcp]
? __pfx___mutex_lock+0x10/0x10
? __lock_acquire+0xd6a/0x59e0
? nvme_tcp_get_address+0xc2/0x1e0 [nvme_tcp]
nvme_tcp_get_address+0xc2/0x1e0 [nvme_tcp]
? __pfx_nvme_tcp_get_address+0x10/0x10 [nvme_tcp]
nvme_sysfs_show_address+0x81/0xc0 [nvme_core]
dev_attr_show+0x42/0x80
? __asan_memset+0x1f/0x40
sysfs_kf_seq_show+0x1f0/0x370
seq_read_iter+0x2cb/0x1130
? rw_verify_area+0x3b1/0x590
? __mutex_lock+0x433/0x1220
vfs_read+0x6a6/0xa20
? lockdep_hardirqs_on+0x78/0x100
? __pfx_vfs_read+0x10/0x10
ksys_read+0xf7/0x1d0
? __pfx_ksys_read+0x10/0x10
? __x64_sys_openat+0x105/0x1d0
do_syscall_64+0x93/0x180
? lockdep_hardirqs_on_prepare+0x16d/0x400
? do_syscall_64+0x9f/0x180
? lockdep_hardirqs_on+0x78/0x100
? do_syscall_64+0x9f/0x180
? __pfx_ksys_read+0x10/0x10
? lockdep_hardirqs_on_prepare+0x16d/0x400
? do_syscall_64+0x9f/0x180
? lockdep_hardirqs_on+0x78/0x100
? do_syscall_64+0x9f/0x180
? lockdep_hardirqs_on_prepare+0x16d/0x400
? do_syscall_64+0x9f/0x180
? lockdep_hardirqs_on+0x78/0x100
? do_syscall_64+0x9f/0x180
? lockdep_hardirqs_on_prepare+0x16d/0x400
? do_syscall_64+0x9f/0x180
? lockdep_hardirqs_on+0x78/0x100
? do_syscall_64+0x9f/0x180
? lockdep_hardirqs_on_prepare+0x16d/0x400
? do_syscall_64+0x9f/0x180
? lockdep_hardirqs_on+0x78/0x100
? do_syscall_64+0x9f/0x180
? do_syscall_64+0x9f/0x180
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f9713f55cfa
Code: 55 48 89 e5 48 83 ec 20 48 89 55 e8 48 89 75 f0 89 7d f8 e8 e8 74 f8 ff 48 8b 55 e8 48 8b 75 f0 4
---truncated---
References
| URL | Tags | |
|---|---|---|
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme: tcp: avoid race between queue_lock lock and destroy\n\nCommit 76d54bf20cdc (\"nvme-tcp: don\u0027t access released socket during\nerror recovery\") added a mutex_lock() call for the queue-\u003equeue_lock\nin nvme_tcp_get_address(). However, the mutex_lock() races with\nmutex_destroy() in nvme_tcp_free_queue(), and causes the WARN below.\n\nDEBUG_LOCKS_WARN_ON(lock-\u003emagic != lock)\nWARNING: CPU: 3 PID: 34077 at kernel/locking/mutex.c:587 __mutex_lock+0xcf0/0x1220\nModules linked in: nvmet_tcp nvmet nvme_tcp nvme_fabrics iw_cm ib_cm ib_core pktcdvd nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables qrtr sunrpc ppdev 9pnet_virtio 9pnet pcspkr netfs parport_pc parport e1000 i2c_piix4 i2c_smbus loop fuse nfnetlink zram bochs drm_vram_helper drm_ttm_helper ttm drm_kms_helper xfs drm sym53c8xx floppy nvme scsi_transport_spi nvme_core nvme_auth serio_raw ata_generic pata_acpi dm_multipath qemu_fw_cfg [last unloaded: ib_uverbs]\nCPU: 3 UID: 0 PID: 34077 Comm: udisksd Not tainted 6.11.0-rc7 #319\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014\nRIP: 0010:__mutex_lock+0xcf0/0x1220\nCode: 08 84 d2 0f 85 c8 04 00 00 8b 15 ef b6 c8 01 85 d2 0f 85 78 f4 ff ff 48 c7 c6 20 93 ee af 48 c7 c7 60 91 ee af e8 f0 a7 6d fd \u003c0f\u003e 0b e9 5e f4 ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1\nRSP: 0018:ffff88811305f760 EFLAGS: 00010286\nRAX: 0000000000000000 RBX: ffff88812c652058 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001\nRBP: ffff88811305f8b0 R08: 0000000000000001 R09: ffffed1075c36341\nR10: ffff8883ae1b1a0b R11: 0000000000010498 R12: 0000000000000000\nR13: 0000000000000000 R14: dffffc0000000000 R15: ffff88812c652058\nFS: 00007f9713ae4980(0000) GS:ffff8883ae180000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fcd78483c7c CR3: 0000000122c38000 CR4: 00000000000006f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n ? __warn.cold+0x5b/0x1af\n ? __mutex_lock+0xcf0/0x1220\n ? report_bug+0x1ec/0x390\n ? handle_bug+0x3c/0x80\n ? exc_invalid_op+0x13/0x40\n ? asm_exc_invalid_op+0x16/0x20\n ? __mutex_lock+0xcf0/0x1220\n ? nvme_tcp_get_address+0xc2/0x1e0 [nvme_tcp]\n ? __pfx___mutex_lock+0x10/0x10\n ? __lock_acquire+0xd6a/0x59e0\n ? nvme_tcp_get_address+0xc2/0x1e0 [nvme_tcp]\n nvme_tcp_get_address+0xc2/0x1e0 [nvme_tcp]\n ? __pfx_nvme_tcp_get_address+0x10/0x10 [nvme_tcp]\n nvme_sysfs_show_address+0x81/0xc0 [nvme_core]\n dev_attr_show+0x42/0x80\n ? __asan_memset+0x1f/0x40\n sysfs_kf_seq_show+0x1f0/0x370\n seq_read_iter+0x2cb/0x1130\n ? rw_verify_area+0x3b1/0x590\n ? __mutex_lock+0x433/0x1220\n vfs_read+0x6a6/0xa20\n ? lockdep_hardirqs_on+0x78/0x100\n ? __pfx_vfs_read+0x10/0x10\n ksys_read+0xf7/0x1d0\n ? __pfx_ksys_read+0x10/0x10\n ? __x64_sys_openat+0x105/0x1d0\n do_syscall_64+0x93/0x180\n ? lockdep_hardirqs_on_prepare+0x16d/0x400\n ? do_syscall_64+0x9f/0x180\n ? lockdep_hardirqs_on+0x78/0x100\n ? do_syscall_64+0x9f/0x180\n ? __pfx_ksys_read+0x10/0x10\n ? lockdep_hardirqs_on_prepare+0x16d/0x400\n ? do_syscall_64+0x9f/0x180\n ? lockdep_hardirqs_on+0x78/0x100\n ? do_syscall_64+0x9f/0x180\n ? lockdep_hardirqs_on_prepare+0x16d/0x400\n ? do_syscall_64+0x9f/0x180\n ? lockdep_hardirqs_on+0x78/0x100\n ? do_syscall_64+0x9f/0x180\n ? lockdep_hardirqs_on_prepare+0x16d/0x400\n ? do_syscall_64+0x9f/0x180\n ? lockdep_hardirqs_on+0x78/0x100\n ? do_syscall_64+0x9f/0x180\n ? lockdep_hardirqs_on_prepare+0x16d/0x400\n ? do_syscall_64+0x9f/0x180\n ? lockdep_hardirqs_on+0x78/0x100\n ? do_syscall_64+0x9f/0x180\n ? do_syscall_64+0x9f/0x180\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x7f9713f55cfa\nCode: 55 48 89 e5 48 83 ec 20 48 89 55 e8 48 89 75 f0 89 7d f8 e8 e8 74 f8 ff 48 8b 55 e8 48 8b 75 f0 4\n---truncated---"
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"value": "AV:L - The vulnerable function `nvme_tcp_get_address()` is only entered through a local `read()` syscall on the sysfs attribute `/sys/class/nvme/nvmeN/address` (`nvme_sysfs_show_address` \u2192 `ctrl-\u003eops-\u003eget_address`), so the attacker must have local access to the host. A remote NVMe/TCP target or on-path attacker can drive the other half of the race (connection drop \u2192 `nvme_tcp_error_recovery_work` \u2192 `nvme_tcp_free_queue()`/`mutex_destroy` \u2192 reconnect `mutex_init`), but the vulnerable code itself is only reachable locally.\nAC:L - The attacker drives both sides of the race: an unlimited loop of `read()` on the world-readable address attribute plus repeated controller reset/reconnect cycles (root-triggered reset, or remotely induced error recovery by flapping the TCP connection), and the commit notes the window is hit by simple repetition of blktests nvme/014. A narrow window that can be retried indefinitely by the attacker is Low complexity.\nPR:L - The `address` attribute is declared `DEVICE_ATTR(address, S_IRUGO, ...)` (mode 0444), so any unprivileged local user can open and read it in a tight loop to enter `nvme_tcp_get_address()` and hit the destroyed/re-initialized `queue-\u003equeue_lock`. No capability, namespace, or CAP_SYS_ADMIN check exists on this path.\nUI:N - No victim action is needed \u2014 the attacker\u0027s own reads of the sysfs file supply the racing thread, and the teardown side occurs automatically on controller error recovery/reconnect. System daemons (udisksd, udev, nvme-cli) additionally read this attribute unprompted, as shown in the reported trace.\nS:U - The lock-lifetime bug and its consequences (WARN, hung task, released-socket access) are confined to the kernel of the affected host; no VM, IOMMU, or sandbox boundary is crossed. This is a standard same-authority kernel defect.\nC:H - `mutex_destroy()` in `nvme_tcp_free_queue()` and the subsequent `mutex_init()` in `nvme_tcp_alloc_queue()` on the same live memory void the mutual exclusion that commit 76d54bf20cdc added, re-opening access to a released socket: `kernel_getsockname(queue-\u003esock)` can run on a `struct socket` whose file was already `fput()`ed, reading freed memory whose contents are then formatted into the `src_addr=` string returned to the unprivileged reader. That is a use-after-free read with the leaked bytes delivered straight to userspace.\nI:H - The same use-after-free reaches an indirect call through `sock-\u003eops-\u003egetname` on freed memory, and `mutex_init()` resetting `owner`, `wait_lock`, and `wait_list` while another task holds or waits on the mutex corrupts the wait list \u2014 both give heap-grooming-based control-flow/write primitives per use-after-free scoring guidance.\nA:H - The reported and reproduced effect is a `DEBUG_LOCKS_WARN_ON(lock-\u003emagic != lock)` WARNING in `__mutex_lock()`, which is a panic on the many hardened/cloud kernels running `panic_on_warn`. The broken locking additionally yields NULL-pointer dereference of `queue-\u003esock`, use-after-free oopses, and orphaned mutex waiters that hang indefinitely."
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CVE-2024-49905 (GCVE-0-2024-49905)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add null check for 'afb' in amdgpu_dm_plane_handle_cursor_update (v2)
This commit adds a null check for the 'afb' variable in the
amdgpu_dm_plane_handle_cursor_update function. Previously, 'afb' was
assumed to be null, but was used later in the code without a null check.
This could potentially lead to a null pointer dereference.
Changes since v1:
- Moved the null check for 'afb' to the line where 'afb' is used. (Alex)
Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_plane.c:1298 amdgpu_dm_plane_handle_cursor_update() error: we previously assumed 'afb' could be null (see line 1252)
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-46775 (GCVE-0-2024-46775)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-05-11 20:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Validate function returns
[WHAT & HOW]
Function return values must be checked before data can be used
in subsequent functions.
This fixes 4 CHECKED_RETURN issues reported by Coverity.
References
Impacted products
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CVE-2022-49032 (GCVE-0-2022-49032)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw
KASAN report out-of-bounds read as follows:
BUG: KASAN: global-out-of-bounds in afe4404_read_raw+0x2ce/0x380
Read of size 4 at addr ffffffffc00e4658 by task cat/278
Call Trace:
afe4404_read_raw
iio_read_channel_info
dev_attr_show
The buggy address belongs to the variable:
afe4404_channel_leds+0x18/0xffffffffffffe9c0
This issue can be reproduce by singe command:
$ cat /sys/bus/i2c/devices/0-0058/iio\:device0/in_intensity6_raw
The array size of afe4404_channel_leds and afe4404_channel_offdacs
are less than channels, so access with chan->address cause OOB read
in afe4404_[read|write]_raw. Fix it by moving access before use them.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c Version: b36e8257641a043764c62240316610c81e36376c |
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CVE-2024-46814 (GCVE-0-2024-46814)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check msg_id before processing transcation
[WHY & HOW]
HDCP_MESSAGE_ID_INVALID (-1) is not a valid msg_id nor is it a valid
array index, and it needs checking before used.
This fixes 4 OVERRUN issues reported by Coverity.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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CVE-2022-45934 (GCVE-0-2022-45934)
Vulnerability from cvelistv5
Published
2022-11-27 00:00
Modified
2025-04-29 13:41
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-50273 (GCVE-0-2024-50273)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: reinitialize delayed ref list after deleting it from the list
At insert_delayed_ref() if we need to update the action of an existing
ref to BTRFS_DROP_DELAYED_REF, we delete the ref from its ref head's
ref_add_list using list_del(), which leaves the ref's add_list member
not reinitialized, as list_del() sets the next and prev members of the
list to LIST_POISON1 and LIST_POISON2, respectively.
If later we end up calling drop_delayed_ref() against the ref, which can
happen during merging or when destroying delayed refs due to a transaction
abort, we can trigger a crash since at drop_delayed_ref() we call
list_empty() against the ref's add_list, which returns false since
the list was not reinitialized after the list_del() and as a consequence
we call list_del() again at drop_delayed_ref(). This results in an
invalid list access since the next and prev members are set to poison
pointers, resulting in a splat if CONFIG_LIST_HARDENED and
CONFIG_DEBUG_LIST are set or invalid poison pointer dereferences
otherwise.
So fix this by deleting from the list with list_del_init() instead.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1d57ee941692d0cc928526e21a1557b2ae3e11db Version: 1d57ee941692d0cc928526e21a1557b2ae3e11db Version: 1d57ee941692d0cc928526e21a1557b2ae3e11db Version: 1d57ee941692d0cc928526e21a1557b2ae3e11db Version: 1d57ee941692d0cc928526e21a1557b2ae3e11db Version: 1d57ee941692d0cc928526e21a1557b2ae3e11db Version: 1d57ee941692d0cc928526e21a1557b2ae3e11db Version: 1d57ee941692d0cc928526e21a1557b2ae3e11db |
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CVE-2022-48980 (GCVE-0-2022-48980)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: dsa: sja1105: avoid out of bounds access in sja1105_init_l2_policing()
The SJA1105 family has 45 L2 policing table entries
(SJA1105_MAX_L2_POLICING_COUNT) and SJA1110 has 110
(SJA1110_MAX_L2_POLICING_COUNT). Keeping the table structure but
accounting for the difference in port count (5 in SJA1105 vs 10 in
SJA1110) does not fully explain the difference. Rather, the SJA1110 also
has L2 ingress policers for multicast traffic. If a packet is classified
as multicast, it will be processed by the policer index 99 + SRCPORT.
The sja1105_init_l2_policing() function initializes all L2 policers such
that they don't interfere with normal packet reception by default. To have
a common code between SJA1105 and SJA1110, the index of the multicast
policer for the port is calculated because it's an index that is out of
bounds for SJA1105 but in bounds for SJA1110, and a bounds check is
performed.
The code fails to do the proper thing when determining what to do with the
multicast policer of port 0 on SJA1105 (ds->num_ports = 5). The "mcast"
index will be equal to 45, which is also equal to
table->ops->max_entry_count (SJA1105_MAX_L2_POLICING_COUNT). So it passes
through the check. But at the same time, SJA1105 doesn't have multicast
policers. So the code programs the SHARINDX field of an out-of-bounds
element in the L2 Policing table of the static config.
The comparison between index 45 and 45 entries should have determined the
code to not access this policer index on SJA1105, since its memory wasn't
even allocated.
With enough bad luck, the out-of-bounds write could even overwrite other
valid kernel data, but in this case, the issue was detected using KASAN.
Kernel log:
sja1105 spi5.0: Probed switch chip: SJA1105Q
==================================================================
BUG: KASAN: slab-out-of-bounds in sja1105_setup+0x1cbc/0x2340
Write of size 8 at addr ffffff880bd57708 by task kworker/u8:0/8
...
Workqueue: events_unbound deferred_probe_work_func
Call trace:
...
sja1105_setup+0x1cbc/0x2340
dsa_register_switch+0x1284/0x18d0
sja1105_probe+0x748/0x840
...
Allocated by task 8:
...
sja1105_setup+0x1bcc/0x2340
dsa_register_switch+0x1284/0x18d0
sja1105_probe+0x748/0x840
...
References
Impacted products
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CVE-2023-52881 (GCVE-0-2023-52881)
Vulnerability from cvelistv5
Published
2024-05-29 10:15
Modified
2026-08-05 09:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: do not accept ACK of bytes we never sent
This patch is based on a detailed report and ideas from Yepeng Pan
and Christian Rossow.
ACK seq validation is currently following RFC 5961 5.2 guidelines:
The ACK value is considered acceptable only if
it is in the range of ((SND.UNA - MAX.SND.WND) <= SEG.ACK <=
SND.NXT). All incoming segments whose ACK value doesn't satisfy the
above condition MUST be discarded and an ACK sent back. It needs to
be noted that RFC 793 on page 72 (fifth check) says: "If the ACK is a
duplicate (SEG.ACK < SND.UNA), it can be ignored. If the ACK
acknowledges something not yet sent (SEG.ACK > SND.NXT) then send an
ACK, drop the segment, and return". The "ignored" above implies that
the processing of the incoming data segment continues, which means
the ACK value is treated as acceptable. This mitigation makes the
ACK check more stringent since any ACK < SND.UNA wouldn't be
accepted, instead only ACKs that are in the range ((SND.UNA -
MAX.SND.WND) <= SEG.ACK <= SND.NXT) get through.
This can be refined for new (and possibly spoofed) flows,
by not accepting ACK for bytes that were never sent.
This greatly improves TCP security at a little cost.
I added a Fixes: tag to make sure this patch will reach stable trees,
even if the 'blamed' patch was adhering to the RFC.
tp->bytes_acked was added in linux-4.2
Following packetdrill test (courtesy of Yepeng Pan) shows
the issue at hand:
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
+0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
+0 bind(3, ..., ...) = 0
+0 listen(3, 1024) = 0
// ---------------- Handshake ------------------- //
// when window scale is set to 14 the window size can be extended to
// 65535 * (2^14) = 1073725440. Linux would accept an ACK packet
// with ack number in (Server_ISN+1-1073725440. Server_ISN+1)
// ,though this ack number acknowledges some data never
// sent by the server.
+0 < S 0:0(0) win 65535 <mss 1400,nop,wscale 14>
+0 > S. 0:0(0) ack 1 <...>
+0 < . 1:1(0) ack 1 win 65535
+0 accept(3, ..., ...) = 4
// For the established connection, we send an ACK packet,
// the ack packet uses ack number 1 - 1073725300 + 2^32,
// where 2^32 is used to wrap around.
// Note: we used 1073725300 instead of 1073725440 to avoid possible
// edge cases.
// 1 - 1073725300 + 2^32 = 3221241997
// Oops, old kernels happily accept this packet.
+0 < . 1:1001(1000) ack 3221241997 win 65535
// After the kernel fix the following will be replaced by a challenge ACK,
// and prior malicious frame would be dropped.
+0 > . 1:1(0) ack 1001
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 354e4aa391ed50a4d827ff6fc11e0667d0859b25 Version: 354e4aa391ed50a4d827ff6fc11e0667d0859b25 Version: 354e4aa391ed50a4d827ff6fc11e0667d0859b25 Version: 354e4aa391ed50a4d827ff6fc11e0667d0859b25 Version: 354e4aa391ed50a4d827ff6fc11e0667d0859b25 Version: 354e4aa391ed50a4d827ff6fc11e0667d0859b25 Version: 354e4aa391ed50a4d827ff6fc11e0667d0859b25 Version: 354e4aa391ed50a4d827ff6fc11e0667d0859b25 Version: 8d15569e14cfcf9151e9e3b4c0cb98369943a2bb Version: e252bbd8c87b95e9cecdc01350fbb0b46a0f9bf1 Version: 2ee4432e82437a7c051c254b065fbf5d4581e1a3 Version: 3.0.58 ≤ Version: 3.2.37 ≤ Version: 3.4.25 ≤ |
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CVE-2022-48958 (GCVE-0-2022-48958)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ethernet: aeroflex: fix potential skb leak in greth_init_rings()
The greth_init_rings() function won't free the newly allocated skb when
dma_mapping_error() returns error, so add dev_kfree_skb() to fix it.
Compile tested only.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: d4c41139df6e74c6fff0cbac43e51cab782133be Version: d4c41139df6e74c6fff0cbac43e51cab782133be Version: d4c41139df6e74c6fff0cbac43e51cab782133be Version: d4c41139df6e74c6fff0cbac43e51cab782133be Version: d4c41139df6e74c6fff0cbac43e51cab782133be Version: d4c41139df6e74c6fff0cbac43e51cab782133be Version: d4c41139df6e74c6fff0cbac43e51cab782133be Version: d4c41139df6e74c6fff0cbac43e51cab782133be |
||
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CVE-2024-50093 (GCVE-0-2024-50093)
Vulnerability from cvelistv5
Published
2024-11-05 17:04
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
thermal: intel: int340x: processor: Fix warning during module unload
The processor_thermal driver uses pcim_device_enable() to enable a PCI
device, which means the device will be automatically disabled on driver
detach. Thus there is no need to call pci_disable_device() again on it.
With recent PCI device resource management improvements, e.g. commit
f748a07a0b64 ("PCI: Remove legacy pcim_release()"), this problem is
exposed and triggers the warining below.
[ 224.010735] proc_thermal_pci 0000:00:04.0: disabling already-disabled device
[ 224.010747] WARNING: CPU: 8 PID: 4442 at drivers/pci/pci.c:2250 pci_disable_device+0xe5/0x100
...
[ 224.010844] Call Trace:
[ 224.010845] <TASK>
[ 224.010847] ? show_regs+0x6d/0x80
[ 224.010851] ? __warn+0x8c/0x140
[ 224.010854] ? pci_disable_device+0xe5/0x100
[ 224.010856] ? report_bug+0x1c9/0x1e0
[ 224.010859] ? handle_bug+0x46/0x80
[ 224.010862] ? exc_invalid_op+0x1d/0x80
[ 224.010863] ? asm_exc_invalid_op+0x1f/0x30
[ 224.010867] ? pci_disable_device+0xe5/0x100
[ 224.010869] ? pci_disable_device+0xe5/0x100
[ 224.010871] ? kfree+0x21a/0x2b0
[ 224.010873] pcim_disable_device+0x20/0x30
[ 224.010875] devm_action_release+0x16/0x20
[ 224.010878] release_nodes+0x47/0xc0
[ 224.010880] devres_release_all+0x9f/0xe0
[ 224.010883] device_unbind_cleanup+0x12/0x80
[ 224.010885] device_release_driver_internal+0x1ca/0x210
[ 224.010887] driver_detach+0x4e/0xa0
[ 224.010889] bus_remove_driver+0x6f/0xf0
[ 224.010890] driver_unregister+0x35/0x60
[ 224.010892] pci_unregister_driver+0x44/0x90
[ 224.010894] proc_thermal_pci_driver_exit+0x14/0x5f0 [processor_thermal_device_pci]
...
[ 224.010921] ---[ end trace 0000000000000000 ]---
Remove the excess pci_disable_device() calls.
[ rjw: Subject and changelog edits ]
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50216 (GCVE-0-2024-50216)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
xfs: fix finding a last resort AG in xfs_filestream_pick_ag
When the main loop in xfs_filestream_pick_ag fails to find a suitable
AG it tries to just pick the online AG. But the loop for that uses
args->pag as loop iterator while the later code expects pag to be
set. Fix this by reusing the max_pag case for this last resort, and
also add a check for impossible case of no AG just to make sure that
the uninitialized pag doesn't even escape in theory.
References
Impacted products
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CVE-2024-46848 (GCVE-0-2024-46848)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
perf/x86/intel: Limit the period on Haswell
Running the ltp test cve-2015-3290 concurrently reports the following
warnings.
perfevents: irq loop stuck!
WARNING: CPU: 31 PID: 32438 at arch/x86/events/intel/core.c:3174
intel_pmu_handle_irq+0x285/0x370
Call Trace:
<NMI>
? __warn+0xa4/0x220
? intel_pmu_handle_irq+0x285/0x370
? __report_bug+0x123/0x130
? intel_pmu_handle_irq+0x285/0x370
? __report_bug+0x123/0x130
? intel_pmu_handle_irq+0x285/0x370
? report_bug+0x3e/0xa0
? handle_bug+0x3c/0x70
? exc_invalid_op+0x18/0x50
? asm_exc_invalid_op+0x1a/0x20
? irq_work_claim+0x1e/0x40
? intel_pmu_handle_irq+0x285/0x370
perf_event_nmi_handler+0x3d/0x60
nmi_handle+0x104/0x330
Thanks to Thomas Gleixner's analysis, the issue is caused by the low
initial period (1) of the frequency estimation algorithm, which triggers
the defects of the HW, specifically erratum HSW11 and HSW143. (For the
details, please refer https://lore.kernel.org/lkml/87plq9l5d2.ffs@tglx/)
The HSW11 requires a period larger than 100 for the INST_RETIRED.ALL
event, but the initial period in the freq mode is 1. The erratum is the
same as the BDM11, which has been supported in the kernel. A minimum
period of 128 is enforced as well on HSW.
HSW143 is regarding that the fixed counter 1 may overcount 32 with the
Hyper-Threading is enabled. However, based on the test, the hardware
has more issues than it tells. Besides the fixed counter 1, the message
'interrupt took too long' can be observed on any counter which was armed
with a period < 32 and two events expired in the same NMI. A minimum
period of 32 is enforced for the rest of the events.
The recommended workaround code of the HSW143 is not implemented.
Because it only addresses the issue for the fixed counter. It brings
extra overhead through extra MSR writing. No related overcounting issue
has been reported so far.
References
| URL | Tags | |
|---|---|---|
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CVE-2022-48988 (GCVE-0-2022-48988)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
memcg: fix possible use-after-free in memcg_write_event_control()
memcg_write_event_control() accesses the dentry->d_name of the specified
control fd to route the write call. As a cgroup interface file can't be
renamed, it's safe to access d_name as long as the specified file is a
regular cgroup file. Also, as these cgroup interface files can't be
removed before the directory, it's safe to access the parent too.
Prior to 347c4a874710 ("memcg: remove cgroup_event->cft"), there was a
call to __file_cft() which verified that the specified file is a regular
cgroupfs file before further accesses. The cftype pointer returned from
__file_cft() was no longer necessary and the commit inadvertently dropped
the file type check with it allowing any file to slip through. With the
invarients broken, the d_name and parent accesses can now race against
renames and removals of arbitrary files and cause use-after-free's.
Fix the bug by resurrecting the file type check in __file_cft(). Now that
cgroupfs is implemented through kernfs, checking the file operations needs
to go through a layer of indirection. Instead, let's check the superblock
and dentry type.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 347c4a8747104a945ecced358944e42879176ca5 Version: 347c4a8747104a945ecced358944e42879176ca5 Version: 347c4a8747104a945ecced358944e42879176ca5 Version: 347c4a8747104a945ecced358944e42879176ca5 Version: 347c4a8747104a945ecced358944e42879176ca5 Version: 347c4a8747104a945ecced358944e42879176ca5 Version: 347c4a8747104a945ecced358944e42879176ca5 |
||
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CVE-2024-36927 (GCVE-0-2024-36927)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2026-07-14 12:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv4: Fix uninit-value access in __ip_make_skb()
KMSAN reported uninit-value access in __ip_make_skb() [1]. __ip_make_skb()
tests HDRINCL to know if the skb has icmphdr. However, HDRINCL can cause a
race condition. If calling setsockopt(2) with IP_HDRINCL changes HDRINCL
while __ip_make_skb() is running, the function will access icmphdr in the
skb even if it is not included. This causes the issue reported by KMSAN.
Check FLOWI_FLAG_KNOWN_NH on fl4->flowi4_flags instead of testing HDRINCL
on the socket.
Also, fl4->fl4_icmp_type and fl4->fl4_icmp_code are not initialized. These
are union in struct flowi4 and are implicitly initialized by
flowi4_init_output(), but we should not rely on specific union layout.
Initialize these explicitly in raw_sendmsg().
[1]
BUG: KMSAN: uninit-value in __ip_make_skb+0x2b74/0x2d20 net/ipv4/ip_output.c:1481
__ip_make_skb+0x2b74/0x2d20 net/ipv4/ip_output.c:1481
ip_finish_skb include/net/ip.h:243 [inline]
ip_push_pending_frames+0x4c/0x5c0 net/ipv4/ip_output.c:1508
raw_sendmsg+0x2381/0x2690 net/ipv4/raw.c:654
inet_sendmsg+0x27b/0x2a0 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x274/0x3c0 net/socket.c:745
__sys_sendto+0x62c/0x7b0 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0x130/0x200 net/socket.c:2199
do_syscall_64+0xd8/0x1f0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was created at:
slab_post_alloc_hook mm/slub.c:3804 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_node+0x5f6/0xc50 mm/slub.c:3888
kmalloc_reserve+0x13c/0x4a0 net/core/skbuff.c:577
__alloc_skb+0x35a/0x7c0 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1318 [inline]
__ip_append_data+0x49ab/0x68c0 net/ipv4/ip_output.c:1128
ip_append_data+0x1e7/0x260 net/ipv4/ip_output.c:1365
raw_sendmsg+0x22b1/0x2690 net/ipv4/raw.c:648
inet_sendmsg+0x27b/0x2a0 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x274/0x3c0 net/socket.c:745
__sys_sendto+0x62c/0x7b0 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0x130/0x200 net/socket.c:2199
do_syscall_64+0xd8/0x1f0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
CPU: 1 PID: 15709 Comm: syz-executor.7 Not tainted 6.8.0-11567-gb3603fcb79b1 #25
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-1.fc39 04/01/2014
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 566785731c6dd41ef815196ddc36d1ae30a63763 Version: a54ec573d9b81b05d368f8e6edc1b3e49f688658 Version: fc60067260c20da8cddcf968bec47416f3e2cde2 Version: 99e5acae193e369b71217efe6f1dad42f3f18815 Version: 99e5acae193e369b71217efe6f1dad42f3f18815 Version: 99e5acae193e369b71217efe6f1dad42f3f18815 Version: dc4e3bb0710178c8d03fc43064e0a71fe7440cdd Version: 022ea4374c319690c804706bda9dc42946d1556d Version: 27c468ec1af113f6ae94fb5378f65e6038bd16e7 Version: 32a5a13d556e4f804e5a447a08c70b172d600707 Version: 9e3c96aed8fe32907e0a4bca05aad457629a820c Version: 5.10.180 ≤ Version: 5.15.111 ≤ Version: 6.1.28 ≤ Version: 4.14.315 ≤ Version: 4.19.283 ≤ Version: 5.4.243 ≤ Version: 6.2.15 ≤ Version: 6.3.2 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: Fix uninit-value access in __ip_make_skb()\n\nKMSAN reported uninit-value access in __ip_make_skb() [1]. __ip_make_skb()\ntests HDRINCL to know if the skb has icmphdr. However, HDRINCL can cause a\nrace condition. If calling setsockopt(2) with IP_HDRINCL changes HDRINCL\nwhile __ip_make_skb() is running, the function will access icmphdr in the\nskb even if it is not included. This causes the issue reported by KMSAN.\n\nCheck FLOWI_FLAG_KNOWN_NH on fl4-\u003eflowi4_flags instead of testing HDRINCL\non the socket.\n\nAlso, fl4-\u003efl4_icmp_type and fl4-\u003efl4_icmp_code are not initialized. These\nare union in struct flowi4 and are implicitly initialized by\nflowi4_init_output(), but we should not rely on specific union layout.\n\nInitialize these explicitly in raw_sendmsg().\n\n[1]\nBUG: KMSAN: uninit-value in __ip_make_skb+0x2b74/0x2d20 net/ipv4/ip_output.c:1481\n __ip_make_skb+0x2b74/0x2d20 net/ipv4/ip_output.c:1481\n ip_finish_skb include/net/ip.h:243 [inline]\n ip_push_pending_frames+0x4c/0x5c0 net/ipv4/ip_output.c:1508\n raw_sendmsg+0x2381/0x2690 net/ipv4/raw.c:654\n inet_sendmsg+0x27b/0x2a0 net/ipv4/af_inet.c:851\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x274/0x3c0 net/socket.c:745\n __sys_sendto+0x62c/0x7b0 net/socket.c:2191\n __do_sys_sendto net/socket.c:2203 [inline]\n __se_sys_sendto net/socket.c:2199 [inline]\n __x64_sys_sendto+0x130/0x200 net/socket.c:2199\n do_syscall_64+0xd8/0x1f0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nUninit was created at:\n slab_post_alloc_hook mm/slub.c:3804 [inline]\n slab_alloc_node mm/slub.c:3845 [inline]\n kmem_cache_alloc_node+0x5f6/0xc50 mm/slub.c:3888\n kmalloc_reserve+0x13c/0x4a0 net/core/skbuff.c:577\n __alloc_skb+0x35a/0x7c0 net/core/skbuff.c:668\n alloc_skb include/linux/skbuff.h:1318 [inline]\n __ip_append_data+0x49ab/0x68c0 net/ipv4/ip_output.c:1128\n ip_append_data+0x1e7/0x260 net/ipv4/ip_output.c:1365\n raw_sendmsg+0x22b1/0x2690 net/ipv4/raw.c:648\n inet_sendmsg+0x27b/0x2a0 net/ipv4/af_inet.c:851\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x274/0x3c0 net/socket.c:745\n __sys_sendto+0x62c/0x7b0 net/socket.c:2191\n __do_sys_sendto net/socket.c:2203 [inline]\n __se_sys_sendto net/socket.c:2199 [inline]\n __x64_sys_sendto+0x130/0x200 net/socket.c:2199\n do_syscall_64+0xd8/0x1f0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nCPU: 1 PID: 15709 Comm: syz-executor.7 Not tainted 6.8.0-11567-gb3603fcb79b1 #25\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-1.fc39 04/01/2014"
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CVE-2024-49958 (GCVE-0-2024-49958)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: reserve space for inline xattr before attaching reflink tree
One of our customers reported a crash and a corrupted ocfs2 filesystem.
The crash was due to the detection of corruption. Upon troubleshooting,
the fsck -fn output showed the below corruption
[EXTENT_LIST_FREE] Extent list in owner 33080590 claims 230 as the next free chain record,
but fsck believes the largest valid value is 227. Clamp the next record value? n
The stat output from the debugfs.ocfs2 showed the following corruption
where the "Next Free Rec:" had overshot the "Count:" in the root metadata
block.
Inode: 33080590 Mode: 0640 Generation: 2619713622 (0x9c25a856)
FS Generation: 904309833 (0x35e6ac49)
CRC32: 00000000 ECC: 0000
Type: Regular Attr: 0x0 Flags: Valid
Dynamic Features: (0x16) HasXattr InlineXattr Refcounted
Extended Attributes Block: 0 Extended Attributes Inline Size: 256
User: 0 (root) Group: 0 (root) Size: 281320357888
Links: 1 Clusters: 141738
ctime: 0x66911b56 0x316edcb8 -- Fri Jul 12 06:02:30.829349048 2024
atime: 0x66911d6b 0x7f7a28d -- Fri Jul 12 06:11:23.133669517 2024
mtime: 0x66911b56 0x12ed75d7 -- Fri Jul 12 06:02:30.317552087 2024
dtime: 0x0 -- Wed Dec 31 17:00:00 1969
Refcount Block: 2777346
Last Extblk: 2886943 Orphan Slot: 0
Sub Alloc Slot: 0 Sub Alloc Bit: 14
Tree Depth: 1 Count: 227 Next Free Rec: 230
## Offset Clusters Block#
0 0 2310 2776351
1 2310 2139 2777375
2 4449 1221 2778399
3 5670 731 2779423
4 6401 566 2780447
....... .... .......
....... .... .......
The issue was in the reflink workfow while reserving space for inline
xattr. The problematic function is ocfs2_reflink_xattr_inline(). By the
time this function is called the reflink tree is already recreated at the
destination inode from the source inode. At this point, this function
reserves space for inline xattrs at the destination inode without even
checking if there is space at the root metadata block. It simply reduces
the l_count from 243 to 227 thereby making space of 256 bytes for inline
xattr whereas the inode already has extents beyond this index (in this
case up to 230), thereby causing corruption.
The fix for this is to reserve space for inline metadata at the destination
inode before the reflink tree gets recreated. The customer has verified the
fix.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ef962df057aaafd714f5c22ba3de1be459571fdf Version: ef962df057aaafd714f5c22ba3de1be459571fdf Version: ef962df057aaafd714f5c22ba3de1be459571fdf Version: ef962df057aaafd714f5c22ba3de1be459571fdf Version: ef962df057aaafd714f5c22ba3de1be459571fdf Version: ef962df057aaafd714f5c22ba3de1be459571fdf Version: ef962df057aaafd714f5c22ba3de1be459571fdf Version: ef962df057aaafd714f5c22ba3de1be459571fdf Version: ef962df057aaafd714f5c22ba3de1be459571fdf Version: 3a32958d2ac96070c53d04bd8e013c97b260b5e6 Version: 93f26306db89c9dc37885b76a1082e6d54d23b16 Version: 26a849f49fb3347d126a0ed6611173f903374ef4 Version: 1e7e4c9ae2a78a6791a2ca91a6a400f94855f01e Version: 1926bf8ae44d80c9f50103f11fc4f17e2e2bf684 Version: 3.0.87 ≤ Version: 3.2.49 ≤ Version: 3.4.54 ≤ Version: 3.9.11 ≤ Version: 3.10.2 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: reserve space for inline xattr before attaching reflink tree\n\nOne of our customers reported a crash and a corrupted ocfs2 filesystem. \nThe crash was due to the detection of corruption. Upon troubleshooting,\nthe fsck -fn output showed the below corruption\n\n[EXTENT_LIST_FREE] Extent list in owner 33080590 claims 230 as the next free chain record,\nbut fsck believes the largest valid value is 227. Clamp the next record value? n\n\nThe stat output from the debugfs.ocfs2 showed the following corruption\nwhere the \"Next Free Rec:\" had overshot the \"Count:\" in the root metadata\nblock.\n\n Inode: 33080590 Mode: 0640 Generation: 2619713622 (0x9c25a856)\n FS Generation: 904309833 (0x35e6ac49)\n CRC32: 00000000 ECC: 0000\n Type: Regular Attr: 0x0 Flags: Valid\n Dynamic Features: (0x16) HasXattr InlineXattr Refcounted\n Extended Attributes Block: 0 Extended Attributes Inline Size: 256\n User: 0 (root) Group: 0 (root) Size: 281320357888\n Links: 1 Clusters: 141738\n ctime: 0x66911b56 0x316edcb8 -- Fri Jul 12 06:02:30.829349048 2024\n atime: 0x66911d6b 0x7f7a28d -- Fri Jul 12 06:11:23.133669517 2024\n mtime: 0x66911b56 0x12ed75d7 -- Fri Jul 12 06:02:30.317552087 2024\n dtime: 0x0 -- Wed Dec 31 17:00:00 1969\n Refcount Block: 2777346\n Last Extblk: 2886943 Orphan Slot: 0\n Sub Alloc Slot: 0 Sub Alloc Bit: 14\n Tree Depth: 1 Count: 227 Next Free Rec: 230\n ## Offset Clusters Block#\n 0 0 2310 2776351\n 1 2310 2139 2777375\n 2 4449 1221 2778399\n 3 5670 731 2779423\n 4 6401 566 2780447\n ....... .... .......\n ....... .... .......\n\nThe issue was in the reflink workfow while reserving space for inline\nxattr. The problematic function is ocfs2_reflink_xattr_inline(). By the\ntime this function is called the reflink tree is already recreated at the\ndestination inode from the source inode. At this point, this function\nreserves space for inline xattrs at the destination inode without even\nchecking if there is space at the root metadata block. It simply reduces\nthe l_count from 243 to 227 thereby making space of 256 bytes for inline\nxattr whereas the inode already has extents beyond this index (in this\ncase up to 230), thereby causing corruption.\n\nThe fix for this is to reserve space for inline metadata at the destination\ninode before the reflink tree gets recreated. The customer has verified the\nfix."
}
],
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"value": "AV:L - The only path to the bug is the `OCFS2_IOC_REFLINK` ioctl (and its compat variant) issued against a locally mounted ocfs2 filesystem; the FICLONE/remap path uses different code and is not affected, so there is no remote reachability.\nAC:L - The attacker deterministically creates the preconditions itself \u2014 set an inline xattr on its own file, fragment it to 228\u2013243 extents so the source is at tree depth 1 while the reflink target stays depth 0 with more records than the clamped `l_count` of 227, then issue the ioctl; no race or uncontrollable state is involved.\nPR:L - `ocfs2_reflink_ioctl()` performs no capability check \u2014 an ordinary unprivileged user needs only read access to the source (its own file) and write/exec on the destination directory, with `preserve=0` avoiding even the `CAP_CHOWN` test.\nUI:N - The attacker performs every step itself via its own syscalls on an already-mounted filesystem; no action by another user or administrator is required.\nS:U - Corruption and its consequences stay within the kernel/filesystem security authority of the affected node; no VM, IOMMU, or hypervisor boundary is crossed.\nC:H - Attacker-controlled inline-xattr bytes overwrite still-live extent records, so the reflinked file\u0027s `e_blkno` values point at arbitrary physical blocks of the shared device, letting an unprivileged user read other users\u0027 and root-owned file data plus filesystem metadata; the missing `l_next_free_rec \u003c= l_count` validation in `ocfs2_validate_inode_block()` means nothing stops the reload.\nI:H - The same forged extent records give a write primitive to arbitrary disk blocks (other files\u0027 data and on-disk metadata), and the resulting `l_next_free_rec \u003e l_count` state drives `ocfs2_insert_at_index()` to `memmove` up to 16 bytes past the end of the inode block buffer, corrupting adjacent kernel memory.\nA:H - `BUG_ON(l_next_free_rec \u003e l_count)` in fs/ocfs2/alloc.c:1688 panics the kernel, and corruption detection via `ocfs2_error()`/`__ocfs2_abort()` forces the filesystem read-only or panics outright on clustered mounts, taking down every node sharing the storage."
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"url": "https://git.kernel.org/stable/c/637c00e06564a945e9d0edb3d78d362d64935f9f"
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"url": "https://git.kernel.org/stable/c/9f9a8f3ac65b4147f1a7b6c05fad5192c0e3c3d9"
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"url": "https://git.kernel.org/stable/c/96ce4c3537114d1698be635f5e36c62dc49df7a4"
},
{
"url": "https://git.kernel.org/stable/c/5ca60b86f57a4d9648f68418a725b3a7de2816b0"
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],
"title": "ocfs2: reserve space for inline xattr before attaching reflink tree",
"x_generator": {
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-49958",
"datePublished": "2024-10-21T18:02:11.702Z",
"dateReserved": "2024-10-21T12:17:06.048Z",
"dateUpdated": "2026-08-05T11:40:41.863Z",
"state": "PUBLISHED"
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"dataVersion": "5.2"
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CVE-2024-46678 (GCVE-0-2024-46678)
Vulnerability from cvelistv5
Published
2024-09-13 05:29
Modified
2026-08-05 11:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bonding: change ipsec_lock from spin lock to mutex
In the cited commit, bond->ipsec_lock is added to protect ipsec_list,
hence xdo_dev_state_add and xdo_dev_state_delete are called inside
this lock. As ipsec_lock is a spin lock and such xfrmdev ops may sleep,
"scheduling while atomic" will be triggered when changing bond's
active slave.
[ 101.055189] BUG: scheduling while atomic: bash/902/0x00000200
[ 101.055726] Modules linked in:
[ 101.058211] CPU: 3 PID: 902 Comm: bash Not tainted 6.9.0-rc4+ #1
[ 101.058760] Hardware name:
[ 101.059434] Call Trace:
[ 101.059436] <TASK>
[ 101.060873] dump_stack_lvl+0x51/0x60
[ 101.061275] __schedule_bug+0x4e/0x60
[ 101.061682] __schedule+0x612/0x7c0
[ 101.062078] ? __mod_timer+0x25c/0x370
[ 101.062486] schedule+0x25/0xd0
[ 101.062845] schedule_timeout+0x77/0xf0
[ 101.063265] ? asm_common_interrupt+0x22/0x40
[ 101.063724] ? __bpf_trace_itimer_state+0x10/0x10
[ 101.064215] __wait_for_common+0x87/0x190
[ 101.064648] ? usleep_range_state+0x90/0x90
[ 101.065091] cmd_exec+0x437/0xb20 [mlx5_core]
[ 101.065569] mlx5_cmd_do+0x1e/0x40 [mlx5_core]
[ 101.066051] mlx5_cmd_exec+0x18/0x30 [mlx5_core]
[ 101.066552] mlx5_crypto_create_dek_key+0xea/0x120 [mlx5_core]
[ 101.067163] ? bonding_sysfs_store_option+0x4d/0x80 [bonding]
[ 101.067738] ? kmalloc_trace+0x4d/0x350
[ 101.068156] mlx5_ipsec_create_sa_ctx+0x33/0x100 [mlx5_core]
[ 101.068747] mlx5e_xfrm_add_state+0x47b/0xaa0 [mlx5_core]
[ 101.069312] bond_change_active_slave+0x392/0x900 [bonding]
[ 101.069868] bond_option_active_slave_set+0x1c2/0x240 [bonding]
[ 101.070454] __bond_opt_set+0xa6/0x430 [bonding]
[ 101.070935] __bond_opt_set_notify+0x2f/0x90 [bonding]
[ 101.071453] bond_opt_tryset_rtnl+0x72/0xb0 [bonding]
[ 101.071965] bonding_sysfs_store_option+0x4d/0x80 [bonding]
[ 101.072567] kernfs_fop_write_iter+0x10c/0x1a0
[ 101.073033] vfs_write+0x2d8/0x400
[ 101.073416] ? alloc_fd+0x48/0x180
[ 101.073798] ksys_write+0x5f/0xe0
[ 101.074175] do_syscall_64+0x52/0x110
[ 101.074576] entry_SYSCALL_64_after_hwframe+0x4b/0x53
As bond_ipsec_add_sa_all and bond_ipsec_del_sa_all are only called
from bond_change_active_slave, which requires holding the RTNL lock.
And bond_ipsec_add_sa and bond_ipsec_del_sa are xfrm state
xdo_dev_state_add and xdo_dev_state_delete APIs, which are in user
context. So ipsec_lock doesn't have to be spin lock, change it to
mutex, and thus the above issue can be resolved.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9a5605505d9c7dbfdb89cc29a8f5fc5cf9fd2334 Version: 9a5605505d9c7dbfdb89cc29a8f5fc5cf9fd2334 Version: 9a5605505d9c7dbfdb89cc29a8f5fc5cf9fd2334 Version: 56ccdf868ab6010739a24a3d72c3e53fd0e1ace2 Version: 42ec69b9cd7d1f9a8b7420807f3a5d899ca99d28 Version: 5.10.54 ≤ Version: 5.13.6 ≤ |
||
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"metrics": [
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"other": {
"content": {
"id": "CVE-2024-46678",
"options": [
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"role": "CISA Coordinator",
"timestamp": "2024-09-29T15:12:41.184590Z",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment"
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"cna": {
"affected": [
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"product": "Linux",
"programFiles": [
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],
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"versions": [
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"version": "56ccdf868ab6010739a24a3d72c3e53fd0e1ace2",
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"vendor": "Linux",
"versions": [
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"status": "unaffected",
"version": "0",
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"version": "6.6.49",
"versionType": "semver"
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"status": "unaffected",
"version": "6.10.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.11",
"versionType": "original_commit_for_fix"
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"vulnerable": true
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: change ipsec_lock from spin lock to mutex\n\nIn the cited commit, bond-\u003eipsec_lock is added to protect ipsec_list,\nhence xdo_dev_state_add and xdo_dev_state_delete are called inside\nthis lock. As ipsec_lock is a spin lock and such xfrmdev ops may sleep,\n\"scheduling while atomic\" will be triggered when changing bond\u0027s\nactive slave.\n\n[ 101.055189] BUG: scheduling while atomic: bash/902/0x00000200\n[ 101.055726] Modules linked in:\n[ 101.058211] CPU: 3 PID: 902 Comm: bash Not tainted 6.9.0-rc4+ #1\n[ 101.058760] Hardware name:\n[ 101.059434] Call Trace:\n[ 101.059436] \u003cTASK\u003e\n[ 101.060873] dump_stack_lvl+0x51/0x60\n[ 101.061275] __schedule_bug+0x4e/0x60\n[ 101.061682] __schedule+0x612/0x7c0\n[ 101.062078] ? __mod_timer+0x25c/0x370\n[ 101.062486] schedule+0x25/0xd0\n[ 101.062845] schedule_timeout+0x77/0xf0\n[ 101.063265] ? asm_common_interrupt+0x22/0x40\n[ 101.063724] ? __bpf_trace_itimer_state+0x10/0x10\n[ 101.064215] __wait_for_common+0x87/0x190\n[ 101.064648] ? usleep_range_state+0x90/0x90\n[ 101.065091] cmd_exec+0x437/0xb20 [mlx5_core]\n[ 101.065569] mlx5_cmd_do+0x1e/0x40 [mlx5_core]\n[ 101.066051] mlx5_cmd_exec+0x18/0x30 [mlx5_core]\n[ 101.066552] mlx5_crypto_create_dek_key+0xea/0x120 [mlx5_core]\n[ 101.067163] ? bonding_sysfs_store_option+0x4d/0x80 [bonding]\n[ 101.067738] ? kmalloc_trace+0x4d/0x350\n[ 101.068156] mlx5_ipsec_create_sa_ctx+0x33/0x100 [mlx5_core]\n[ 101.068747] mlx5e_xfrm_add_state+0x47b/0xaa0 [mlx5_core]\n[ 101.069312] bond_change_active_slave+0x392/0x900 [bonding]\n[ 101.069868] bond_option_active_slave_set+0x1c2/0x240 [bonding]\n[ 101.070454] __bond_opt_set+0xa6/0x430 [bonding]\n[ 101.070935] __bond_opt_set_notify+0x2f/0x90 [bonding]\n[ 101.071453] bond_opt_tryset_rtnl+0x72/0xb0 [bonding]\n[ 101.071965] bonding_sysfs_store_option+0x4d/0x80 [bonding]\n[ 101.072567] kernfs_fop_write_iter+0x10c/0x1a0\n[ 101.073033] vfs_write+0x2d8/0x400\n[ 101.073416] ? alloc_fd+0x48/0x180\n[ 101.073798] ksys_write+0x5f/0xe0\n[ 101.074175] do_syscall_64+0x52/0x110\n[ 101.074576] entry_SYSCALL_64_after_hwframe+0x4b/0x53\n\nAs bond_ipsec_add_sa_all and bond_ipsec_del_sa_all are only called\nfrom bond_change_active_slave, which requires holding the RTNL lock.\nAnd bond_ipsec_add_sa and bond_ipsec_del_sa are xfrm state\nxdo_dev_state_add and xdo_dev_state_delete APIs, which are in user\ncontext. So ipsec_lock doesn\u0027t have to be spin lock, change it to\nmutex, and thus the above issue can be resolved."
}
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"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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{
"lang": "en",
"value": "AV:L - The vulnerable paths are entered from local configuration syscalls \u2014 xfrm netlink (`XFRM_MSG_NEWSA`/`DELSA` with `XFRMA_OFFLOAD_DEV`) and rtnetlink/sysfs writes that call `bond_change_active_slave()`. No remote peer data reaches this code; the auto-failover variant only lets an on-link party influence timing, not reach the code directly.\nAC:L - The atomic-sleep BUG is deterministic \u2014 a single active-slave change with offloaded SAs present reliably calls a sleeping `xdo_dev_state_add()` under `spin_lock_bh()`. For the RCU/UAF variant the attacker drives both sides of the race (one thread adding offloaded SAs, another enslaving/releasing the slave), so no uncontrolled condition is required.\nPR:L - Both entry points gate only on CAP_NET_ADMIN scoped to the network namespace (`netlink_net_capable()` in xfrm_user.c, netns-scoped rtnetlink/bonding options), which an unprivileged user obtains via `unshare -Urn` or holds inside a container that has a delegated offload-capable VF. Real root in the init namespace is not required.\nUI:N - The attacker performs all steps themselves \u2014 adding the offloaded xfrm state and changing the bond\u0027s active slave \u2014 with no action by any other user or administrator.\nS:U - The fault, the corrupted scheduler/lock state, and the freed objects all live in the kernel of the same host; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Sleeping inside the RCU read-side section defeats the `synchronize_rcu()` barrier in `__bond_release_one()`, so the sleeping caller resumes on a freed `slave`/`net_device` \u2014 a use-after-free that lets a heap-sprayed replacement object be read back through the driver\u0027s SA-programming path, exposing kernel memory.\nI:H - The same use-after-free gives a write primitive: `xs-\u003exso.real_dev` and driver state are written through the stale `net_device`/`slave` allocation, and the fix\u0027s addition of `netdev_hold()`/`netdev_put()` confirms the object could be freed while still in use, which is exploitable for control-flow hijacking.\nA:H - The confirmed, trivially reproducible effect is `BUG: scheduling while atomic` with `bond-\u003eipsec_lock` held across a context switch, causing spinning CPUs, soft lockups/deadlock, and a panic under `panic_on_warn`; the use-after-free independently crashes the kernel."
}
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"title": "bonding: change ipsec_lock from spin lock to mutex",
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"datePublished": "2024-09-13T05:29:12.835Z",
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CVE-2024-50252 (GCVE-0-2024-50252)
Vulnerability from cvelistv5
Published
2024-11-09 10:15
Modified
2026-05-11 20:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mlxsw: spectrum_ipip: Fix memory leak when changing remote IPv6 address
The device stores IPv6 addresses that are used for encapsulation in
linear memory that is managed by the driver.
Changing the remote address of an ip6gre net device never worked
properly, but since cited commit the following reproducer [1] would
result in a warning [2] and a memory leak [3]. The problem is that the
new remote address is never added by the driver to its hash table (and
therefore the device) and the old address is never removed from it.
Fix by programming the new address when the configuration of the ip6gre
net device changes and removing the old one. If the address did not
change, then the above would result in increasing the reference count of
the address and then decreasing it.
[1]
# ip link add name bla up type ip6gre local 2001:db8:1::1 remote 2001:db8:2::1 tos inherit ttl inherit
# ip link set dev bla type ip6gre remote 2001:db8:3::1
# ip link del dev bla
# devlink dev reload pci/0000:01:00.0
[2]
WARNING: CPU: 0 PID: 1682 at drivers/net/ethernet/mellanox/mlxsw/spectrum.c:3002 mlxsw_sp_ipv6_addr_put+0x140/0x1d0
Modules linked in:
CPU: 0 UID: 0 PID: 1682 Comm: ip Not tainted 6.12.0-rc3-custom-g86b5b55bc835 #151
Hardware name: Nvidia SN5600/VMOD0013, BIOS 5.13 05/31/2023
RIP: 0010:mlxsw_sp_ipv6_addr_put+0x140/0x1d0
[...]
Call Trace:
<TASK>
mlxsw_sp_router_netdevice_event+0x55f/0x1240
notifier_call_chain+0x5a/0xd0
call_netdevice_notifiers_info+0x39/0x90
unregister_netdevice_many_notify+0x63e/0x9d0
rtnl_dellink+0x16b/0x3a0
rtnetlink_rcv_msg+0x142/0x3f0
netlink_rcv_skb+0x50/0x100
netlink_unicast+0x242/0x390
netlink_sendmsg+0x1de/0x420
____sys_sendmsg+0x2bd/0x320
___sys_sendmsg+0x9a/0xe0
__sys_sendmsg+0x7a/0xd0
do_syscall_64+0x9e/0x1a0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
[3]
unreferenced object 0xffff898081f597a0 (size 32):
comm "ip", pid 1626, jiffies 4294719324
hex dump (first 32 bytes):
20 01 0d b8 00 02 00 00 00 00 00 00 00 00 00 01 ...............
21 49 61 83 80 89 ff ff 00 00 00 00 01 00 00 00 !Ia.............
backtrace (crc fd9be911):
[<00000000df89c55d>] __kmalloc_cache_noprof+0x1da/0x260
[<00000000ff2a1ddb>] mlxsw_sp_ipv6_addr_kvdl_index_get+0x281/0x340
[<000000009ddd445d>] mlxsw_sp_router_netdevice_event+0x47b/0x1240
[<00000000743e7757>] notifier_call_chain+0x5a/0xd0
[<000000007c7b9e13>] call_netdevice_notifiers_info+0x39/0x90
[<000000002509645d>] register_netdevice+0x5f7/0x7a0
[<00000000c2e7d2a9>] ip6gre_newlink_common.isra.0+0x65/0x130
[<0000000087cd6d8d>] ip6gre_newlink+0x72/0x120
[<000000004df7c7cc>] rtnl_newlink+0x471/0xa20
[<0000000057ed632a>] rtnetlink_rcv_msg+0x142/0x3f0
[<0000000032e0d5b5>] netlink_rcv_skb+0x50/0x100
[<00000000908bca63>] netlink_unicast+0x242/0x390
[<00000000cdbe1c87>] netlink_sendmsg+0x1de/0x420
[<0000000011db153e>] ____sys_sendmsg+0x2bd/0x320
[<000000003b6d53eb>] ___sys_sendmsg+0x9a/0xe0
[<00000000cae27c62>] __sys_sendmsg+0x7a/0xd0
References
| URL | Tags | |
|---|---|---|
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-50252",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-01T20:15:48.404342Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-401",
"description": "CWE-401 Missing Release of Memory after Effective Lifetime",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-01T20:17:24.971Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:27:33.241Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "d8f298eb6659eb6a38e26b79e77de4449dc6e61b",
"status": "affected",
"version": "cf42911523e02026cb56d329e584ae5923e94ba1",
"versionType": "git"
},
{
"lessThan": "31384aa2ad05c29c7745000f321154f42de24d1a",
"status": "affected",
"version": "cf42911523e02026cb56d329e584ae5923e94ba1",
"versionType": "git"
},
{
"lessThan": "c1bbdbe07f0bc3bc9f87efe4672d67208c6d6942",
"status": "affected",
"version": "cf42911523e02026cb56d329e584ae5923e94ba1",
"versionType": "git"
},
{
"lessThan": "12ae97c531fcd3bfd774d4dfeaeac23eafe24280",
"status": "affected",
"version": "cf42911523e02026cb56d329e584ae5923e94ba1",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.17"
},
{
"lessThan": "5.17",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.116",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.60",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.7",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.116",
"versionStartIncluding": "5.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.60",
"versionStartIncluding": "5.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.11.7",
"versionStartIncluding": "5.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12",
"versionStartIncluding": "5.17",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmlxsw: spectrum_ipip: Fix memory leak when changing remote IPv6 address\n\nThe device stores IPv6 addresses that are used for encapsulation in\nlinear memory that is managed by the driver.\n\nChanging the remote address of an ip6gre net device never worked\nproperly, but since cited commit the following reproducer [1] would\nresult in a warning [2] and a memory leak [3]. The problem is that the\nnew remote address is never added by the driver to its hash table (and\ntherefore the device) and the old address is never removed from it.\n\nFix by programming the new address when the configuration of the ip6gre\nnet device changes and removing the old one. If the address did not\nchange, then the above would result in increasing the reference count of\nthe address and then decreasing it.\n\n[1]\n # ip link add name bla up type ip6gre local 2001:db8:1::1 remote 2001:db8:2::1 tos inherit ttl inherit\n # ip link set dev bla type ip6gre remote 2001:db8:3::1\n # ip link del dev bla\n # devlink dev reload pci/0000:01:00.0\n\n[2]\nWARNING: CPU: 0 PID: 1682 at drivers/net/ethernet/mellanox/mlxsw/spectrum.c:3002 mlxsw_sp_ipv6_addr_put+0x140/0x1d0\nModules linked in:\nCPU: 0 UID: 0 PID: 1682 Comm: ip Not tainted 6.12.0-rc3-custom-g86b5b55bc835 #151\nHardware name: Nvidia SN5600/VMOD0013, BIOS 5.13 05/31/2023\nRIP: 0010:mlxsw_sp_ipv6_addr_put+0x140/0x1d0\n[...]\nCall Trace:\n \u003cTASK\u003e\n mlxsw_sp_router_netdevice_event+0x55f/0x1240\n notifier_call_chain+0x5a/0xd0\n call_netdevice_notifiers_info+0x39/0x90\n unregister_netdevice_many_notify+0x63e/0x9d0\n rtnl_dellink+0x16b/0x3a0\n rtnetlink_rcv_msg+0x142/0x3f0\n netlink_rcv_skb+0x50/0x100\n netlink_unicast+0x242/0x390\n netlink_sendmsg+0x1de/0x420\n ____sys_sendmsg+0x2bd/0x320\n ___sys_sendmsg+0x9a/0xe0\n __sys_sendmsg+0x7a/0xd0\n do_syscall_64+0x9e/0x1a0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\n[3]\nunreferenced object 0xffff898081f597a0 (size 32):\n comm \"ip\", pid 1626, jiffies 4294719324\n hex dump (first 32 bytes):\n 20 01 0d b8 00 02 00 00 00 00 00 00 00 00 00 01 ...............\n 21 49 61 83 80 89 ff ff 00 00 00 00 01 00 00 00 !Ia.............\n backtrace (crc fd9be911):\n [\u003c00000000df89c55d\u003e] __kmalloc_cache_noprof+0x1da/0x260\n [\u003c00000000ff2a1ddb\u003e] mlxsw_sp_ipv6_addr_kvdl_index_get+0x281/0x340\n [\u003c000000009ddd445d\u003e] mlxsw_sp_router_netdevice_event+0x47b/0x1240\n [\u003c00000000743e7757\u003e] notifier_call_chain+0x5a/0xd0\n [\u003c000000007c7b9e13\u003e] call_netdevice_notifiers_info+0x39/0x90\n [\u003c000000002509645d\u003e] register_netdevice+0x5f7/0x7a0\n [\u003c00000000c2e7d2a9\u003e] ip6gre_newlink_common.isra.0+0x65/0x130\n [\u003c0000000087cd6d8d\u003e] ip6gre_newlink+0x72/0x120\n [\u003c000000004df7c7cc\u003e] rtnl_newlink+0x471/0xa20\n [\u003c0000000057ed632a\u003e] rtnetlink_rcv_msg+0x142/0x3f0\n [\u003c0000000032e0d5b5\u003e] netlink_rcv_skb+0x50/0x100\n [\u003c00000000908bca63\u003e] netlink_unicast+0x242/0x390\n [\u003c00000000cdbe1c87\u003e] netlink_sendmsg+0x1de/0x420\n [\u003c0000000011db153e\u003e] ____sys_sendmsg+0x2bd/0x320\n [\u003c000000003b6d53eb\u003e] ___sys_sendmsg+0x9a/0xe0\n [\u003c00000000cae27c62\u003e] __sys_sendmsg+0x7a/0xd0"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:48:31.577Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/d8f298eb6659eb6a38e26b79e77de4449dc6e61b"
},
{
"url": "https://git.kernel.org/stable/c/31384aa2ad05c29c7745000f321154f42de24d1a"
},
{
"url": "https://git.kernel.org/stable/c/c1bbdbe07f0bc3bc9f87efe4672d67208c6d6942"
},
{
"url": "https://git.kernel.org/stable/c/12ae97c531fcd3bfd774d4dfeaeac23eafe24280"
}
],
"title": "mlxsw: spectrum_ipip: Fix memory leak when changing remote IPv6 address",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50252",
"datePublished": "2024-11-09T10:15:00.949Z",
"dateReserved": "2024-10-21T19:36:19.979Z",
"dateUpdated": "2026-05-11T20:48:31.577Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-50073 (GCVE-0-2024-50073)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tty: n_gsm: Fix use-after-free in gsm_cleanup_mux
BUG: KASAN: slab-use-after-free in gsm_cleanup_mux+0x77b/0x7b0
drivers/tty/n_gsm.c:3160 [n_gsm]
Read of size 8 at addr ffff88815fe99c00 by task poc/3379
CPU: 0 UID: 0 PID: 3379 Comm: poc Not tainted 6.11.0+ #56
Hardware name: VMware, Inc. VMware Virtual Platform/440BX
Desktop Reference Platform, BIOS 6.00 11/12/2020
Call Trace:
<TASK>
gsm_cleanup_mux+0x77b/0x7b0 drivers/tty/n_gsm.c:3160 [n_gsm]
__pfx_gsm_cleanup_mux+0x10/0x10 drivers/tty/n_gsm.c:3124 [n_gsm]
__pfx_sched_clock_cpu+0x10/0x10 kernel/sched/clock.c:389
update_load_avg+0x1c1/0x27b0 kernel/sched/fair.c:4500
__pfx_min_vruntime_cb_rotate+0x10/0x10 kernel/sched/fair.c:846
__rb_insert_augmented+0x492/0xbf0 lib/rbtree.c:161
gsmld_ioctl+0x395/0x1450 drivers/tty/n_gsm.c:3408 [n_gsm]
_raw_spin_lock_irqsave+0x92/0xf0 arch/x86/include/asm/atomic.h:107
__pfx_gsmld_ioctl+0x10/0x10 drivers/tty/n_gsm.c:3822 [n_gsm]
ktime_get+0x5e/0x140 kernel/time/timekeeping.c:195
ldsem_down_read+0x94/0x4e0 arch/x86/include/asm/atomic64_64.h:79
__pfx_ldsem_down_read+0x10/0x10 drivers/tty/tty_ldsem.c:338
__pfx_do_vfs_ioctl+0x10/0x10 fs/ioctl.c:805
tty_ioctl+0x643/0x1100 drivers/tty/tty_io.c:2818
Allocated by task 65:
gsm_data_alloc.constprop.0+0x27/0x190 drivers/tty/n_gsm.c:926 [n_gsm]
gsm_send+0x2c/0x580 drivers/tty/n_gsm.c:819 [n_gsm]
gsm1_receive+0x547/0xad0 drivers/tty/n_gsm.c:3038 [n_gsm]
gsmld_receive_buf+0x176/0x280 drivers/tty/n_gsm.c:3609 [n_gsm]
tty_ldisc_receive_buf+0x101/0x1e0 drivers/tty/tty_buffer.c:391
tty_port_default_receive_buf+0x61/0xa0 drivers/tty/tty_port.c:39
flush_to_ldisc+0x1b0/0x750 drivers/tty/tty_buffer.c:445
process_scheduled_works+0x2b0/0x10d0 kernel/workqueue.c:3229
worker_thread+0x3dc/0x950 kernel/workqueue.c:3391
kthread+0x2a3/0x370 kernel/kthread.c:389
ret_from_fork+0x2d/0x70 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:257
Freed by task 3367:
kfree+0x126/0x420 mm/slub.c:4580
gsm_cleanup_mux+0x36c/0x7b0 drivers/tty/n_gsm.c:3160 [n_gsm]
gsmld_ioctl+0x395/0x1450 drivers/tty/n_gsm.c:3408 [n_gsm]
tty_ioctl+0x643/0x1100 drivers/tty/tty_io.c:2818
[Analysis]
gsm_msg on the tx_ctrl_list or tx_data_list of gsm_mux
can be freed by multi threads through ioctl,which leads
to the occurrence of uaf. Protect it by gsm tx lock.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0af021678d5d30c31f5a6b631f404ead3575212a Version: 0af021678d5d30c31f5a6b631f404ead3575212a Version: 0af021678d5d30c31f5a6b631f404ead3575212a Version: 0af021678d5d30c31f5a6b631f404ead3575212a Version: 5020173e7e7725110a8d4be1359bf1dfc4b1814d Version: c165698c9919b000bdbe73859d3bb7b33bdb9223 Version: 7962a4b900099cf90e02859bb297f2c618d8d940 Version: 5.15.209 ≤ Version: 5.18.18 ≤ Version: 5.19.2 ≤ |
||
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-50073",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-12-11T14:26:06.514773Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-12-11T14:58:34.728Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:25:08.310Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/tty/n_gsm.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "bf171b5e86e41de4c1cf32fb7aefa275c3d7de49",
"status": "affected",
"version": "0af021678d5d30c31f5a6b631f404ead3575212a",
"versionType": "git"
},
{
"lessThan": "c29f192e0d44cc1cbaf698fa1ff198f63556691a",
"status": "affected",
"version": "0af021678d5d30c31f5a6b631f404ead3575212a",
"versionType": "git"
},
{
"lessThan": "0eec592c6a7460ba795d7de29f3dc95cb5422e62",
"status": "affected",
"version": "0af021678d5d30c31f5a6b631f404ead3575212a",
"versionType": "git"
},
{
"lessThan": "9462f4ca56e7d2430fdb6dcc8498244acbfc4489",
"status": "affected",
"version": "0af021678d5d30c31f5a6b631f404ead3575212a",
"versionType": "git"
},
{
"status": "affected",
"version": "5020173e7e7725110a8d4be1359bf1dfc4b1814d",
"versionType": "git"
},
{
"status": "affected",
"version": "c165698c9919b000bdbe73859d3bb7b33bdb9223",
"versionType": "git"
},
{
"status": "affected",
"version": "7962a4b900099cf90e02859bb297f2c618d8d940",
"versionType": "git"
},
{
"lessThan": "5.16",
"status": "affected",
"version": "5.15.209",
"versionType": "semver"
},
{
"lessThan": "5.19",
"status": "affected",
"version": "5.18.18",
"versionType": "semver"
},
{
"lessThan": "5.20",
"status": "affected",
"version": "5.19.2",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/tty/n_gsm.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.0"
},
{
"lessThan": "6.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.114",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.58",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.5",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: n_gsm: Fix use-after-free in gsm_cleanup_mux\n\nBUG: KASAN: slab-use-after-free in gsm_cleanup_mux+0x77b/0x7b0\ndrivers/tty/n_gsm.c:3160 [n_gsm]\nRead of size 8 at addr ffff88815fe99c00 by task poc/3379\nCPU: 0 UID: 0 PID: 3379 Comm: poc Not tainted 6.11.0+ #56\nHardware name: VMware, Inc. VMware Virtual Platform/440BX\nDesktop Reference Platform, BIOS 6.00 11/12/2020\nCall Trace:\n \u003cTASK\u003e\n gsm_cleanup_mux+0x77b/0x7b0 drivers/tty/n_gsm.c:3160 [n_gsm]\n __pfx_gsm_cleanup_mux+0x10/0x10 drivers/tty/n_gsm.c:3124 [n_gsm]\n __pfx_sched_clock_cpu+0x10/0x10 kernel/sched/clock.c:389\n update_load_avg+0x1c1/0x27b0 kernel/sched/fair.c:4500\n __pfx_min_vruntime_cb_rotate+0x10/0x10 kernel/sched/fair.c:846\n __rb_insert_augmented+0x492/0xbf0 lib/rbtree.c:161\n gsmld_ioctl+0x395/0x1450 drivers/tty/n_gsm.c:3408 [n_gsm]\n _raw_spin_lock_irqsave+0x92/0xf0 arch/x86/include/asm/atomic.h:107\n __pfx_gsmld_ioctl+0x10/0x10 drivers/tty/n_gsm.c:3822 [n_gsm]\n ktime_get+0x5e/0x140 kernel/time/timekeeping.c:195\n ldsem_down_read+0x94/0x4e0 arch/x86/include/asm/atomic64_64.h:79\n __pfx_ldsem_down_read+0x10/0x10 drivers/tty/tty_ldsem.c:338\n __pfx_do_vfs_ioctl+0x10/0x10 fs/ioctl.c:805\n tty_ioctl+0x643/0x1100 drivers/tty/tty_io.c:2818\n\nAllocated by task 65:\n gsm_data_alloc.constprop.0+0x27/0x190 drivers/tty/n_gsm.c:926 [n_gsm]\n gsm_send+0x2c/0x580 drivers/tty/n_gsm.c:819 [n_gsm]\n gsm1_receive+0x547/0xad0 drivers/tty/n_gsm.c:3038 [n_gsm]\n gsmld_receive_buf+0x176/0x280 drivers/tty/n_gsm.c:3609 [n_gsm]\n tty_ldisc_receive_buf+0x101/0x1e0 drivers/tty/tty_buffer.c:391\n tty_port_default_receive_buf+0x61/0xa0 drivers/tty/tty_port.c:39\n flush_to_ldisc+0x1b0/0x750 drivers/tty/tty_buffer.c:445\n process_scheduled_works+0x2b0/0x10d0 kernel/workqueue.c:3229\n worker_thread+0x3dc/0x950 kernel/workqueue.c:3391\n kthread+0x2a3/0x370 kernel/kthread.c:389\n ret_from_fork+0x2d/0x70 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:257\n\nFreed by task 3367:\n kfree+0x126/0x420 mm/slub.c:4580\n gsm_cleanup_mux+0x36c/0x7b0 drivers/tty/n_gsm.c:3160 [n_gsm]\n gsmld_ioctl+0x395/0x1450 drivers/tty/n_gsm.c:3408 [n_gsm]\n tty_ioctl+0x643/0x1100 drivers/tty/tty_io.c:2818\n\n[Analysis]\ngsm_msg on the tx_ctrl_list or tx_data_list of gsm_mux\ncan be freed by multi threads through ioctl,which leads\nto the occurrence of uaf. Protect it by gsm tx lock."
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CVE-2024-46804 (GCVE-0-2024-46804)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-05-11 20:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add array index check for hdcp ddc access
[Why]
Coverity reports OVERRUN warning. Do not check if array
index valid.
[How]
Check msg_id valid and valid array index.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4c283fdac08abf3211533f70623c90a34f41d08d Version: 4c283fdac08abf3211533f70623c90a34f41d08d Version: 4c283fdac08abf3211533f70623c90a34f41d08d Version: 4c283fdac08abf3211533f70623c90a34f41d08d Version: 4c283fdac08abf3211533f70623c90a34f41d08d Version: 4c283fdac08abf3211533f70623c90a34f41d08d |
||
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CVE-2024-47698 (GCVE-0-2024-47698)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error
Ensure index in rtl2832_pid_filter does not exceed 31 to prevent
out-of-bounds access.
dev->filters is a 32-bit value, so set_bit and clear_bit functions should
only operate on indices from 0 to 31. If index is 32, it will attempt to
access a non-existent 33rd bit, leading to out-of-bounds access.
Change the boundary check from index > 32 to index >= 32 to resolve this
issue.
[hverkuil: added fixes tag, rtl2830_pid_filter -> rtl2832_pid_filter in logmsg]
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4b01e01a81b6629878344430531ced347cc2ed5b Version: 4b01e01a81b6629878344430531ced347cc2ed5b Version: 4b01e01a81b6629878344430531ced347cc2ed5b Version: 4b01e01a81b6629878344430531ced347cc2ed5b Version: 4b01e01a81b6629878344430531ced347cc2ed5b Version: 4b01e01a81b6629878344430531ced347cc2ed5b Version: 4b01e01a81b6629878344430531ced347cc2ed5b Version: 4b01e01a81b6629878344430531ced347cc2ed5b Version: 4b01e01a81b6629878344430531ced347cc2ed5b |
||
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CVE-2024-50237 (GCVE-0-2024-50237)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower
Avoid potentially crashing in the driver because of uninitialized private data
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93 Version: 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93 Version: 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93 Version: 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93 Version: 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93 Version: 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93 Version: 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93 Version: 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93 |
||
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CVE-2024-35888 (GCVE-0-2024-35888)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2026-08-05 11:30
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
erspan: make sure erspan_base_hdr is present in skb->head
syzbot reported a problem in ip6erspan_rcv() [1]
Issue is that ip6erspan_rcv() (and erspan_rcv()) no longer make
sure erspan_base_hdr is present in skb linear part (skb->head)
before getting @ver field from it.
Add the missing pskb_may_pull() calls.
v2: Reload iph pointer in erspan_rcv() after pskb_may_pull()
because skb->head might have changed.
[1]
BUG: KMSAN: uninit-value in pskb_may_pull_reason include/linux/skbuff.h:2742 [inline]
BUG: KMSAN: uninit-value in pskb_may_pull include/linux/skbuff.h:2756 [inline]
BUG: KMSAN: uninit-value in ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline]
BUG: KMSAN: uninit-value in gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610
pskb_may_pull_reason include/linux/skbuff.h:2742 [inline]
pskb_may_pull include/linux/skbuff.h:2756 [inline]
ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline]
gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610
ip6_protocol_deliver_rcu+0x1d4c/0x2ca0 net/ipv6/ip6_input.c:438
ip6_input_finish net/ipv6/ip6_input.c:483 [inline]
NF_HOOK include/linux/netfilter.h:314 [inline]
ip6_input+0x15d/0x430 net/ipv6/ip6_input.c:492
ip6_mc_input+0xa7e/0xc80 net/ipv6/ip6_input.c:586
dst_input include/net/dst.h:460 [inline]
ip6_rcv_finish+0x955/0x970 net/ipv6/ip6_input.c:79
NF_HOOK include/linux/netfilter.h:314 [inline]
ipv6_rcv+0xde/0x390 net/ipv6/ip6_input.c:310
__netif_receive_skb_one_core net/core/dev.c:5538 [inline]
__netif_receive_skb+0x1da/0xa00 net/core/dev.c:5652
netif_receive_skb_internal net/core/dev.c:5738 [inline]
netif_receive_skb+0x58/0x660 net/core/dev.c:5798
tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1549
tun_get_user+0x5566/0x69e0 drivers/net/tun.c:2002
tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
call_write_iter include/linux/fs.h:2108 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xb63/0x1520 fs/read_write.c:590
ksys_write+0x20f/0x4c0 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x93/0xe0 fs/read_write.c:652
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was created at:
slab_post_alloc_hook mm/slub.c:3804 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_node+0x613/0xc50 mm/slub.c:3888
kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:577
__alloc_skb+0x35b/0x7a0 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1318 [inline]
alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6504
sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2795
tun_alloc_skb drivers/net/tun.c:1525 [inline]
tun_get_user+0x209a/0x69e0 drivers/net/tun.c:1846
tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
call_write_iter include/linux/fs.h:2108 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xb63/0x1520 fs/read_write.c:590
ksys_write+0x20f/0x4c0 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x93/0xe0 fs/read_write.c:652
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
CPU: 1 PID: 5045 Comm: syz-executor114 Not tainted 6.9.0-rc1-syzkaller-00021-g962490525cff #0
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0a198e0bb8bef51ced179702ad1af6f9e3715b64 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: 5195acd38ae48b7b5c186f522cd4351441297859 Version: 4.19.20 ≤ Version: 4.20.7 ≤ |
||
{
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{
"metrics": [
{
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"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-35888",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-05-07T19:58:41.579179Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-noinfo Not enough information",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-05-07T19:58:44.817Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T03:21:48.504Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
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],
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},
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},
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},
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},
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},
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},
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},
{
"tags": [
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],
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
},
{
"tags": [
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
"vendor": "Siemens",
"versions": [
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},
{
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{
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},
{
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}
]
},
{
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{
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}
]
},
{
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]
},
{
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"vendor": "Siemens",
"versions": [
{
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"status": "affected",
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}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-12T11:52:27.203Z",
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
}
],
"x_adpType": "supplier"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/ipv4/ip_gre.c",
"net/ipv6/ip6_gre.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "06a939f72a24a7d8251f84cf4c042df86c6666ac",
"status": "affected",
"version": "0a198e0bb8bef51ced179702ad1af6f9e3715b64",
"versionType": "git"
},
{
"lessThan": "e54a0c79cdc2548729dd7e2e468b08c5af4d0df5",
"status": "affected",
"version": "cb73ee40b1b381eaf3749e6dbeed567bb38e5258",
"versionType": "git"
},
{
"lessThan": "b14b9f9503ec823ca75be766dcaeff4f0bfeca85",
"status": "affected",
"version": "cb73ee40b1b381eaf3749e6dbeed567bb38e5258",
"versionType": "git"
},
{
"lessThan": "ee0088101beee10fa809716d6245d915b09c37c7",
"status": "affected",
"version": "cb73ee40b1b381eaf3749e6dbeed567bb38e5258",
"versionType": "git"
},
{
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"status": "affected",
"version": "cb73ee40b1b381eaf3749e6dbeed567bb38e5258",
"versionType": "git"
},
{
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"status": "affected",
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},
{
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"status": "affected",
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"versionType": "git"
},
{
"lessThan": "17af420545a750f763025149fa7b833a4fc8b8f0",
"status": "affected",
"version": "cb73ee40b1b381eaf3749e6dbeed567bb38e5258",
"versionType": "git"
},
{
"status": "affected",
"version": "5195acd38ae48b7b5c186f522cd4351441297859",
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},
{
"lessThan": "4.19.312",
"status": "affected",
"version": "4.19.20",
"versionType": "semver"
},
{
"lessThan": "4.21",
"status": "affected",
"version": "4.20.7",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
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"net/ipv6/ip6_gre.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.0"
},
{
"lessThan": "5.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.312",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.274",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.215",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.154",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.85",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.26",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.8.*",
"status": "unaffected",
"version": "6.8.5",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.9",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.19.312",
"versionStartIncluding": "4.19.20",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.4.274",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.215",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.154",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.85",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.26",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.8.5",
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.9",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20.7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerspan: make sure erspan_base_hdr is present in skb-\u003ehead\n\nsyzbot reported a problem in ip6erspan_rcv() [1]\n\nIssue is that ip6erspan_rcv() (and erspan_rcv()) no longer make\nsure erspan_base_hdr is present in skb linear part (skb-\u003ehead)\nbefore getting @ver field from it.\n\nAdd the missing pskb_may_pull() calls.\n\nv2: Reload iph pointer in erspan_rcv() after pskb_may_pull()\n because skb-\u003ehead might have changed.\n\n[1]\n\n BUG: KMSAN: uninit-value in pskb_may_pull_reason include/linux/skbuff.h:2742 [inline]\n BUG: KMSAN: uninit-value in pskb_may_pull include/linux/skbuff.h:2756 [inline]\n BUG: KMSAN: uninit-value in ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline]\n BUG: KMSAN: uninit-value in gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610\n pskb_may_pull_reason include/linux/skbuff.h:2742 [inline]\n pskb_may_pull include/linux/skbuff.h:2756 [inline]\n ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline]\n gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610\n ip6_protocol_deliver_rcu+0x1d4c/0x2ca0 net/ipv6/ip6_input.c:438\n ip6_input_finish net/ipv6/ip6_input.c:483 [inline]\n NF_HOOK include/linux/netfilter.h:314 [inline]\n ip6_input+0x15d/0x430 net/ipv6/ip6_input.c:492\n ip6_mc_input+0xa7e/0xc80 net/ipv6/ip6_input.c:586\n dst_input include/net/dst.h:460 [inline]\n ip6_rcv_finish+0x955/0x970 net/ipv6/ip6_input.c:79\n NF_HOOK include/linux/netfilter.h:314 [inline]\n ipv6_rcv+0xde/0x390 net/ipv6/ip6_input.c:310\n __netif_receive_skb_one_core net/core/dev.c:5538 [inline]\n __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5652\n netif_receive_skb_internal net/core/dev.c:5738 [inline]\n netif_receive_skb+0x58/0x660 net/core/dev.c:5798\n tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1549\n tun_get_user+0x5566/0x69e0 drivers/net/tun.c:2002\n tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048\n call_write_iter include/linux/fs.h:2108 [inline]\n new_sync_write fs/read_write.c:497 [inline]\n vfs_write+0xb63/0x1520 fs/read_write.c:590\n ksys_write+0x20f/0x4c0 fs/read_write.c:643\n __do_sys_write fs/read_write.c:655 [inline]\n __se_sys_write fs/read_write.c:652 [inline]\n __x64_sys_write+0x93/0xe0 fs/read_write.c:652\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nUninit was created at:\n slab_post_alloc_hook mm/slub.c:3804 [inline]\n slab_alloc_node mm/slub.c:3845 [inline]\n kmem_cache_alloc_node+0x613/0xc50 mm/slub.c:3888\n kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:577\n __alloc_skb+0x35b/0x7a0 net/core/skbuff.c:668\n alloc_skb include/linux/skbuff.h:1318 [inline]\n alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6504\n sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2795\n tun_alloc_skb drivers/net/tun.c:1525 [inline]\n tun_get_user+0x209a/0x69e0 drivers/net/tun.c:1846\n tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048\n call_write_iter include/linux/fs.h:2108 [inline]\n new_sync_write fs/read_write.c:497 [inline]\n vfs_write+0xb63/0x1520 fs/read_write.c:590\n ksys_write+0x20f/0x4c0 fs/read_write.c:643\n __do_sys_write fs/read_write.c:655 [inline]\n __se_sys_write fs/read_write.c:652 [inline]\n __x64_sys_write+0x93/0xe0 fs/read_write.c:652\n do_syscall_64+0xd5/0x1f0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nCPU: 1 PID: 5045 Comm: syz-executor114 Not tainted 6.9.0-rc1-syzkaller-00021-g962490525cff #0"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:N - The vulnerable read is in the IPv6 GRE receive path (`gre_rcv` \u2192 `ip6erspan_rcv`), reached by any IPv6 packet with next-header 47, a flagless 4-byte GRE header, and protocol 0x88BE delivered to the host. The packet can be unicast to the target\u0027s address from anywhere on the internet, so no adjacency or local access is needed.\nAC:L - The attacker fully controls the packet and simply omits the payload after the GRE header, deterministically driving `skb_headlen()` to zero before `ver = ershdr-\u003ever` executes. The read occurs before `ip6gre_tunnel_lookup()`, so no matching tunnel, key, or address pairing needs to be guessed.\nPR:N - No authentication, credentials, or local account exist on this path \u2014 the bug fires in `ip6_protocol_deliver_rcu()` during plain packet reception, before any tunnel lookup or policy check.\nUI:N - The vulnerability triggers purely on packet arrival; no administrator or user on the target needs to open, mount, or configure anything beyond the ip6_gre module already being loaded.\nS:U - The stray read, the resulting misparse, and the metadata exposure are all confined to the kernel networking stack\u0027s own security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:L - The out-of-bounds read is strictly bounded to one byte (four bits of `ver`) of uninitialized slab memory, which the rubric classes as a small bounded read. Those bits are observable \u2014 stored as `md-\u003eversion` in the tunnel metadata that `bpf_skb_get_tunnel_opt()` and OVS export to userspace \u2014 but no arbitrary or large-scale memory disclosure is achievable.\nI:L - Uninitialized kernel memory propagates into the `ip_tunnel_info` ERSPAN options and determines how many bytes `__iptunnel_pull_header()` strips, so attacker-uncontrolled garbage modifies kernel-held tunnel state and the framing of the decapsulated inner packet. This is limited modification only \u2014 there is no out-of-bounds write, and every downstream `memcpy()` remains inside a `pskb_may_pull()`-validated region.\nA:L - Because `skb-\u003edata \u003c= skb-\u003etail \u003c= skb-\u003eend`, the stray byte is always inside the skb\u0027s own slab allocation, so the bug cannot fault or panic. It does degrade the service: a garbage `ver` makes `erspan_hdr_len()` strip 0, 8, or 12 bytes at random, so genuine ERSPAN type-I mirrored traffic is nondeterministically dropped or mangled on every receive."
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CVE-2024-47684 (GCVE-0-2024-47684)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: check skb is non-NULL in tcp_rto_delta_us()
We have some machines running stock Ubuntu 20.04.6 which is their 5.4.0-174-generic
kernel that are running ceph and recently hit a null ptr dereference in
tcp_rearm_rto(). Initially hitting it from the TLP path, but then later we also
saw it getting hit from the RACK case as well. Here are examples of the oops
messages we saw in each of those cases:
Jul 26 15:05:02 rx [11061395.780353] BUG: kernel NULL pointer dereference, address: 0000000000000020
Jul 26 15:05:02 rx [11061395.787572] #PF: supervisor read access in kernel mode
Jul 26 15:05:02 rx [11061395.792971] #PF: error_code(0x0000) - not-present page
Jul 26 15:05:02 rx [11061395.798362] PGD 0 P4D 0
Jul 26 15:05:02 rx [11061395.801164] Oops: 0000 [#1] SMP NOPTI
Jul 26 15:05:02 rx [11061395.805091] CPU: 0 PID: 9180 Comm: msgr-worker-1 Tainted: G W 5.4.0-174-generic #193-Ubuntu
Jul 26 15:05:02 rx [11061395.814996] Hardware name: Supermicro SMC 2x26 os-gen8 64C NVME-Y 256G/H12SSW-NTR, BIOS 2.5.V1.2U.NVMe.UEFI 05/09/2023
Jul 26 15:05:02 rx [11061395.825952] RIP: 0010:tcp_rearm_rto+0xe4/0x160
Jul 26 15:05:02 rx [11061395.830656] Code: 87 ca 04 00 00 00 5b 41 5c 41 5d 5d c3 c3 49 8b bc 24 40 06 00 00 eb 8d 48 bb cf f7 53 e3 a5 9b c4 20 4c 89 ef e8 0c fe 0e 00 <48> 8b 78 20 48 c1 ef 03 48 89 f8 41 8b bc 24 80 04 00 00 48 f7 e3
Jul 26 15:05:02 rx [11061395.849665] RSP: 0018:ffffb75d40003e08 EFLAGS: 00010246
Jul 26 15:05:02 rx [11061395.855149] RAX: 0000000000000000 RBX: 20c49ba5e353f7cf RCX: 0000000000000000
Jul 26 15:05:02 rx [11061395.862542] RDX: 0000000062177c30 RSI: 000000000000231c RDI: ffff9874ad283a60
Jul 26 15:05:02 rx [11061395.869933] RBP: ffffb75d40003e20 R08: 0000000000000000 R09: ffff987605e20aa8
Jul 26 15:05:02 rx [11061395.877318] R10: ffffb75d40003f00 R11: ffffb75d4460f740 R12: ffff9874ad283900
Jul 26 15:05:02 rx [11061395.884710] R13: ffff9874ad283a60 R14: ffff9874ad283980 R15: ffff9874ad283d30
Jul 26 15:05:02 rx [11061395.892095] FS: 00007f1ef4a2e700(0000) GS:ffff987605e00000(0000) knlGS:0000000000000000
Jul 26 15:05:02 rx [11061395.900438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 26 15:05:02 rx [11061395.906435] CR2: 0000000000000020 CR3: 0000003e450ba003 CR4: 0000000000760ef0
Jul 26 15:05:02 rx [11061395.913822] PKRU: 55555554
Jul 26 15:05:02 rx [11061395.916786] Call Trace:
Jul 26 15:05:02 rx [11061395.919488]
Jul 26 15:05:02 rx [11061395.921765] ? show_regs.cold+0x1a/0x1f
Jul 26 15:05:02 rx [11061395.925859] ? __die+0x90/0xd9
Jul 26 15:05:02 rx [11061395.929169] ? no_context+0x196/0x380
Jul 26 15:05:02 rx [11061395.933088] ? ip6_protocol_deliver_rcu+0x4e0/0x4e0
Jul 26 15:05:02 rx [11061395.938216] ? ip6_sublist_rcv_finish+0x3d/0x50
Jul 26 15:05:02 rx [11061395.943000] ? __bad_area_nosemaphore+0x50/0x1a0
Jul 26 15:05:02 rx [11061395.947873] ? bad_area_nosemaphore+0x16/0x20
Jul 26 15:05:02 rx [11061395.952486] ? do_user_addr_fault+0x267/0x450
Jul 26 15:05:02 rx [11061395.957104] ? ipv6_list_rcv+0x112/0x140
Jul 26 15:05:02 rx [11061395.961279] ? __do_page_fault+0x58/0x90
Jul 26 15:05:02 rx [11061395.965458] ? do_page_fault+0x2c/0xe0
Jul 26 15:05:02 rx [11061395.969465] ? page_fault+0x34/0x40
Jul 26 15:05:02 rx [11061395.973217] ? tcp_rearm_rto+0xe4/0x160
Jul 26 15:05:02 rx [11061395.977313] ? tcp_rearm_rto+0xe4/0x160
Jul 26 15:05:02 rx [11061395.981408] tcp_send_loss_probe+0x10b/0x220
Jul 26 15:05:02 rx [11061395.985937] tcp_write_timer_handler+0x1b4/0x240
Jul 26 15:05:02 rx [11061395.990809] tcp_write_timer+0x9e/0xe0
Jul 26 15:05:02 rx [11061395.994814] ? tcp_write_timer_handler+0x240/0x240
Jul 26 15:05:02 rx [11061395.999866] call_timer_fn+0x32/0x130
Jul 26 15:05:02 rx [11061396.003782] __run_timers.part.0+0x180/0x280
Jul 26 15:05:02 rx [11061396.008309] ? recalibrate_cpu_khz+0x10/0x10
Jul 26 15:05:02 rx [11061396.012841] ? native_x2apic_icr_write+0x30/0x30
Jul 26 15:05:02 rx [11061396.017718] ? lapic_next_even
---truncated---
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e1a10ef7fa876f8510aaec36ea5c0cf34baba410 Version: e1a10ef7fa876f8510aaec36ea5c0cf34baba410 Version: e1a10ef7fa876f8510aaec36ea5c0cf34baba410 Version: e1a10ef7fa876f8510aaec36ea5c0cf34baba410 Version: e1a10ef7fa876f8510aaec36ea5c0cf34baba410 Version: e1a10ef7fa876f8510aaec36ea5c0cf34baba410 Version: e1a10ef7fa876f8510aaec36ea5c0cf34baba410 Version: e1a10ef7fa876f8510aaec36ea5c0cf34baba410 Version: e1a10ef7fa876f8510aaec36ea5c0cf34baba410 Version: 42a858e036bb26cb559157393b7890cabe70bfc2 Version: 3.10.108 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: check skb is non-NULL in tcp_rto_delta_us()\n\nWe have some machines running stock Ubuntu 20.04.6 which is their 5.4.0-174-generic\nkernel that are running ceph and recently hit a null ptr dereference in\ntcp_rearm_rto(). Initially hitting it from the TLP path, but then later we also\nsaw it getting hit from the RACK case as well. Here are examples of the oops\nmessages we saw in each of those cases:\n\nJul 26 15:05:02 rx [11061395.780353] BUG: kernel NULL pointer dereference, address: 0000000000000020\nJul 26 15:05:02 rx [11061395.787572] #PF: supervisor read access in kernel mode\nJul 26 15:05:02 rx [11061395.792971] #PF: error_code(0x0000) - not-present page\nJul 26 15:05:02 rx [11061395.798362] PGD 0 P4D 0\nJul 26 15:05:02 rx [11061395.801164] Oops: 0000 [#1] SMP NOPTI\nJul 26 15:05:02 rx [11061395.805091] CPU: 0 PID: 9180 Comm: msgr-worker-1 Tainted: G W 5.4.0-174-generic #193-Ubuntu\nJul 26 15:05:02 rx [11061395.814996] Hardware name: Supermicro SMC 2x26 os-gen8 64C NVME-Y 256G/H12SSW-NTR, BIOS 2.5.V1.2U.NVMe.UEFI 05/09/2023\nJul 26 15:05:02 rx [11061395.825952] RIP: 0010:tcp_rearm_rto+0xe4/0x160\nJul 26 15:05:02 rx [11061395.830656] Code: 87 ca 04 00 00 00 5b 41 5c 41 5d 5d c3 c3 49 8b bc 24 40 06 00 00 eb 8d 48 bb cf f7 53 e3 a5 9b c4 20 4c 89 ef e8 0c fe 0e 00 \u003c48\u003e 8b 78 20 48 c1 ef 03 48 89 f8 41 8b bc 24 80 04 00 00 48 f7 e3\nJul 26 15:05:02 rx [11061395.849665] RSP: 0018:ffffb75d40003e08 EFLAGS: 00010246\nJul 26 15:05:02 rx [11061395.855149] RAX: 0000000000000000 RBX: 20c49ba5e353f7cf RCX: 0000000000000000\nJul 26 15:05:02 rx [11061395.862542] RDX: 0000000062177c30 RSI: 000000000000231c RDI: ffff9874ad283a60\nJul 26 15:05:02 rx [11061395.869933] RBP: ffffb75d40003e20 R08: 0000000000000000 R09: ffff987605e20aa8\nJul 26 15:05:02 rx [11061395.877318] R10: ffffb75d40003f00 R11: ffffb75d4460f740 R12: ffff9874ad283900\nJul 26 15:05:02 rx [11061395.884710] R13: ffff9874ad283a60 R14: ffff9874ad283980 R15: ffff9874ad283d30\nJul 26 15:05:02 rx [11061395.892095] FS: 00007f1ef4a2e700(0000) GS:ffff987605e00000(0000) knlGS:0000000000000000\nJul 26 15:05:02 rx [11061395.900438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nJul 26 15:05:02 rx [11061395.906435] CR2: 0000000000000020 CR3: 0000003e450ba003 CR4: 0000000000760ef0\nJul 26 15:05:02 rx [11061395.913822] PKRU: 55555554\nJul 26 15:05:02 rx [11061395.916786] Call Trace:\nJul 26 15:05:02 rx [11061395.919488]\nJul 26 15:05:02 rx [11061395.921765] ? show_regs.cold+0x1a/0x1f\nJul 26 15:05:02 rx [11061395.925859] ? __die+0x90/0xd9\nJul 26 15:05:02 rx [11061395.929169] ? no_context+0x196/0x380\nJul 26 15:05:02 rx [11061395.933088] ? ip6_protocol_deliver_rcu+0x4e0/0x4e0\nJul 26 15:05:02 rx [11061395.938216] ? ip6_sublist_rcv_finish+0x3d/0x50\nJul 26 15:05:02 rx [11061395.943000] ? __bad_area_nosemaphore+0x50/0x1a0\nJul 26 15:05:02 rx [11061395.947873] ? bad_area_nosemaphore+0x16/0x20\nJul 26 15:05:02 rx [11061395.952486] ? do_user_addr_fault+0x267/0x450\nJul 26 15:05:02 rx [11061395.957104] ? ipv6_list_rcv+0x112/0x140\nJul 26 15:05:02 rx [11061395.961279] ? __do_page_fault+0x58/0x90\nJul 26 15:05:02 rx [11061395.965458] ? do_page_fault+0x2c/0xe0\nJul 26 15:05:02 rx [11061395.969465] ? page_fault+0x34/0x40\nJul 26 15:05:02 rx [11061395.973217] ? tcp_rearm_rto+0xe4/0x160\nJul 26 15:05:02 rx [11061395.977313] ? tcp_rearm_rto+0xe4/0x160\nJul 26 15:05:02 rx [11061395.981408] tcp_send_loss_probe+0x10b/0x220\nJul 26 15:05:02 rx [11061395.985937] tcp_write_timer_handler+0x1b4/0x240\nJul 26 15:05:02 rx [11061395.990809] tcp_write_timer+0x9e/0xe0\nJul 26 15:05:02 rx [11061395.994814] ? tcp_write_timer_handler+0x240/0x240\nJul 26 15:05:02 rx [11061395.999866] call_timer_fn+0x32/0x130\nJul 26 15:05:02 rx [11061396.003782] __run_timers.part.0+0x180/0x280\nJul 26 15:05:02 rx [11061396.008309] ? recalibrate_cpu_khz+0x10/0x10\nJul 26 15:05:02 rx [11061396.012841] ? native_x2apic_icr_write+0x30/0x30\nJul 26 15:05:02 rx [11061396.017718] ? lapic_next_even\n---truncated---"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-23T15:53:39.049Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/ad4f0a14d6856e68f023fc4e5017cfd881a3dfbc"
},
{
"url": "https://git.kernel.org/stable/c/16e0387d87fc858e34449fdf2b14ed5837f761db"
},
{
"url": "https://git.kernel.org/stable/c/ec31cf42fc4e35bb1248ce6eb1de6de9f851ac86"
},
{
"url": "https://git.kernel.org/stable/c/5c4c03288a4aea705e36aa44119c13d7ee4dce99"
},
{
"url": "https://git.kernel.org/stable/c/96c4983eab2a5da235f7fff90beaf17b008ba029"
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{
"url": "https://git.kernel.org/stable/c/570f7d8c9bf14f041152ba8353d4330ef7575915"
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{
"url": "https://git.kernel.org/stable/c/81d18c152e3f82bacadf83bc0a471b2363b9cc18"
},
{
"url": "https://git.kernel.org/stable/c/09aea49fbc7e755a915c405644f347137cdb62b0"
},
{
"url": "https://git.kernel.org/stable/c/c8770db2d54437a5f49417ae7b46f7de23d14db6"
}
],
"title": "tcp: check skb is non-NULL in tcp_rto_delta_us()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-47684",
"datePublished": "2024-10-21T11:53:25.787Z",
"dateReserved": "2024-09-30T16:00:12.941Z",
"dateUpdated": "2026-05-23T15:53:39.049Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-43817 (GCVE-0-2024-43817)
Vulnerability from cvelistv5
Published
2024-08-17 09:21
Modified
2026-05-23 15:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: missing check virtio
Two missing check in virtio_net_hdr_to_skb() allowed syzbot
to crash kernels again
1. After the skb_segment function the buffer may become non-linear
(nr_frags != 0), but since the SKBTX_SHARED_FRAG flag is not set anywhere
the __skb_linearize function will not be executed, then the buffer will
remain non-linear. Then the condition (offset >= skb_headlen(skb))
becomes true, which causes WARN_ON_ONCE in skb_checksum_help.
2. The struct sk_buff and struct virtio_net_hdr members must be
mathematically related.
(gso_size) must be greater than (needed) otherwise WARN_ON_ONCE.
(remainder) must be greater than (needed) otherwise WARN_ON_ONCE.
(remainder) may be 0 if division is without remainder.
offset+2 (4191) > skb_headlen() (1116)
WARNING: CPU: 1 PID: 5084 at net/core/dev.c:3303 skb_checksum_help+0x5e2/0x740 net/core/dev.c:3303
Modules linked in:
CPU: 1 PID: 5084 Comm: syz-executor336 Not tainted 6.7.0-rc3-syzkaller-00014-gdf60cee26a2e #0
Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:skb_checksum_help+0x5e2/0x740 net/core/dev.c:3303
Code: 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 52 01 00 00 44 89 e2 2b 53 74 4c 89 ee 48 c7 c7 40 57 e9 8b e8 af 8f dd f8 90 <0f> 0b 90 90 e9 87 fe ff ff e8 40 0f 6e f9 e9 4b fa ff ff 48 89 ef
RSP: 0018:ffffc90003a9f338 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888025125780 RCX: ffffffff814db209
RDX: ffff888015393b80 RSI: ffffffff814db216 RDI: 0000000000000001
RBP: ffff8880251257f4 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000045c
R13: 000000000000105f R14: ffff8880251257f0 R15: 000000000000105d
FS: 0000555555c24380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 0000000023151000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ip_do_fragment+0xa1b/0x18b0 net/ipv4/ip_output.c:777
ip_fragment.constprop.0+0x161/0x230 net/ipv4/ip_output.c:584
ip_finish_output_gso net/ipv4/ip_output.c:286 [inline]
__ip_finish_output net/ipv4/ip_output.c:308 [inline]
__ip_finish_output+0x49c/0x650 net/ipv4/ip_output.c:295
ip_finish_output+0x31/0x310 net/ipv4/ip_output.c:323
NF_HOOK_COND include/linux/netfilter.h:303 [inline]
ip_output+0x13b/0x2a0 net/ipv4/ip_output.c:433
dst_output include/net/dst.h:451 [inline]
ip_local_out+0xaf/0x1a0 net/ipv4/ip_output.c:129
iptunnel_xmit+0x5b4/0x9b0 net/ipv4/ip_tunnel_core.c:82
ipip6_tunnel_xmit net/ipv6/sit.c:1034 [inline]
sit_tunnel_xmit+0xed2/0x28f0 net/ipv6/sit.c:1076
__netdev_start_xmit include/linux/netdevice.h:4940 [inline]
netdev_start_xmit include/linux/netdevice.h:4954 [inline]
xmit_one net/core/dev.c:3545 [inline]
dev_hard_start_xmit+0x13d/0x6d0 net/core/dev.c:3561
__dev_queue_xmit+0x7c1/0x3d60 net/core/dev.c:4346
dev_queue_xmit include/linux/netdevice.h:3134 [inline]
packet_xmit+0x257/0x380 net/packet/af_packet.c:276
packet_snd net/packet/af_packet.c:3087 [inline]
packet_sendmsg+0x24ca/0x5240 net/packet/af_packet.c:3119
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
__sys_sendto+0x255/0x340 net/socket.c:2190
__do_sys_sendto net/socket.c:2202 [inline]
__se_sys_sendto net/socket.c:2198 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2198
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
Found by Linux Verification Center (linuxtesting.org) with Syzkaller
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 2789bc090f4a2caef0cceb3f108867de608bb23a Version: 16851e34b621bc7e652c508bb28c47948fb86958 Version: a05fb4ac72fb2ddbdcb135c87b0087ac59fa4de4 Version: a36703d08c83b1488a2f2922f0dc4263125ccd2d Version: 4.14.242 ≤ Version: 4.19.201 ≤ Version: 5.4.121 ≤ Version: 5.10.39 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: missing check virtio\n\nTwo missing check in virtio_net_hdr_to_skb() allowed syzbot\nto crash kernels again\n\n1. After the skb_segment function the buffer may become non-linear\n(nr_frags != 0), but since the SKBTX_SHARED_FRAG flag is not set anywhere\nthe __skb_linearize function will not be executed, then the buffer will\nremain non-linear. Then the condition (offset \u003e= skb_headlen(skb))\nbecomes true, which causes WARN_ON_ONCE in skb_checksum_help.\n\n2. The struct sk_buff and struct virtio_net_hdr members must be\nmathematically related.\n(gso_size) must be greater than (needed) otherwise WARN_ON_ONCE.\n(remainder) must be greater than (needed) otherwise WARN_ON_ONCE.\n(remainder) may be 0 if division is without remainder.\n\noffset+2 (4191) \u003e skb_headlen() (1116)\nWARNING: CPU: 1 PID: 5084 at net/core/dev.c:3303 skb_checksum_help+0x5e2/0x740 net/core/dev.c:3303\nModules linked in:\nCPU: 1 PID: 5084 Comm: syz-executor336 Not tainted 6.7.0-rc3-syzkaller-00014-gdf60cee26a2e #0\nHardware name: Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023\nRIP: 0010:skb_checksum_help+0x5e2/0x740 net/core/dev.c:3303\nCode: 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 52 01 00 00 44 89 e2 2b 53 74 4c 89 ee 48 c7 c7 40 57 e9 8b e8 af 8f dd f8 90 \u003c0f\u003e 0b 90 90 e9 87 fe ff ff e8 40 0f 6e f9 e9 4b fa ff ff 48 89 ef\nRSP: 0018:ffffc90003a9f338 EFLAGS: 00010286\nRAX: 0000000000000000 RBX: ffff888025125780 RCX: ffffffff814db209\nRDX: ffff888015393b80 RSI: ffffffff814db216 RDI: 0000000000000001\nRBP: ffff8880251257f4 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000001 R12: 000000000000045c\nR13: 000000000000105f R14: ffff8880251257f0 R15: 000000000000105d\nFS: 0000555555c24380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000002000f000 CR3: 0000000023151000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n ip_do_fragment+0xa1b/0x18b0 net/ipv4/ip_output.c:777\n ip_fragment.constprop.0+0x161/0x230 net/ipv4/ip_output.c:584\n ip_finish_output_gso net/ipv4/ip_output.c:286 [inline]\n __ip_finish_output net/ipv4/ip_output.c:308 [inline]\n __ip_finish_output+0x49c/0x650 net/ipv4/ip_output.c:295\n ip_finish_output+0x31/0x310 net/ipv4/ip_output.c:323\n NF_HOOK_COND include/linux/netfilter.h:303 [inline]\n ip_output+0x13b/0x2a0 net/ipv4/ip_output.c:433\n dst_output include/net/dst.h:451 [inline]\n ip_local_out+0xaf/0x1a0 net/ipv4/ip_output.c:129\n iptunnel_xmit+0x5b4/0x9b0 net/ipv4/ip_tunnel_core.c:82\n ipip6_tunnel_xmit net/ipv6/sit.c:1034 [inline]\n sit_tunnel_xmit+0xed2/0x28f0 net/ipv6/sit.c:1076\n __netdev_start_xmit include/linux/netdevice.h:4940 [inline]\n netdev_start_xmit include/linux/netdevice.h:4954 [inline]\n xmit_one net/core/dev.c:3545 [inline]\n dev_hard_start_xmit+0x13d/0x6d0 net/core/dev.c:3561\n __dev_queue_xmit+0x7c1/0x3d60 net/core/dev.c:4346\n dev_queue_xmit include/linux/netdevice.h:3134 [inline]\n packet_xmit+0x257/0x380 net/packet/af_packet.c:276\n packet_snd net/packet/af_packet.c:3087 [inline]\n packet_sendmsg+0x24ca/0x5240 net/packet/af_packet.c:3119\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0xd5/0x180 net/socket.c:745\n __sys_sendto+0x255/0x340 net/socket.c:2190\n __do_sys_sendto net/socket.c:2202 [inline]\n __se_sys_sendto net/socket.c:2198 [inline]\n __x64_sys_sendto+0xe0/0x1b0 net/socket.c:2198\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller"
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CVE-2024-47727 (GCVE-0-2024-47727)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
x86/tdx: Fix "in-kernel MMIO" check
TDX only supports kernel-initiated MMIO operations. The handle_mmio()
function checks if the #VE exception occurred in the kernel and rejects
the operation if it did not.
However, userspace can deceive the kernel into performing MMIO on its
behalf. For example, if userspace can point a syscall to an MMIO address,
syscall does get_user() or put_user() on it, triggering MMIO #VE. The
kernel will treat the #VE as in-kernel MMIO.
Ensure that the target MMIO address is within the kernel before decoding
instruction.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-46841 (GCVE-0-2024-46841)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: don't BUG_ON on ENOMEM from btrfs_lookup_extent_info() in walk_down_proc()
We handle errors here properly, ENOMEM isn't fatal, return the error.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a |
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CVE-2022-48982 (GCVE-0-2022-48982)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: Fix crash when replugging CSR fake controllers
It seems fake CSR 5.0 clones can cause the suspend notifier to be
registered twice causing the following kernel panic:
[ 71.986122] Call Trace:
[ 71.986124] <TASK>
[ 71.986125] blocking_notifier_chain_register+0x33/0x60
[ 71.986130] hci_register_dev+0x316/0x3d0 [bluetooth 99b5497ea3d09708fa1366c1dc03288bf3cca8da]
[ 71.986154] btusb_probe+0x979/0xd85 [btusb e1e0605a4f4c01984a4b9c8ac58c3666ae287477]
[ 71.986159] ? __pm_runtime_set_status+0x1a9/0x300
[ 71.986162] ? ktime_get_mono_fast_ns+0x3e/0x90
[ 71.986167] usb_probe_interface+0xe3/0x2b0
[ 71.986171] really_probe+0xdb/0x380
[ 71.986174] ? pm_runtime_barrier+0x54/0x90
[ 71.986177] __driver_probe_device+0x78/0x170
[ 71.986180] driver_probe_device+0x1f/0x90
[ 71.986183] __device_attach_driver+0x89/0x110
[ 71.986186] ? driver_allows_async_probing+0x70/0x70
[ 71.986189] bus_for_each_drv+0x8c/0xe0
[ 71.986192] __device_attach+0xb2/0x1e0
[ 71.986195] bus_probe_device+0x92/0xb0
[ 71.986198] device_add+0x422/0x9a0
[ 71.986201] ? sysfs_merge_group+0xd4/0x110
[ 71.986205] usb_set_configuration+0x57a/0x820
[ 71.986208] usb_generic_driver_probe+0x4f/0x70
[ 71.986211] usb_probe_device+0x3a/0x110
[ 71.986213] really_probe+0xdb/0x380
[ 71.986216] ? pm_runtime_barrier+0x54/0x90
[ 71.986219] __driver_probe_device+0x78/0x170
[ 71.986221] driver_probe_device+0x1f/0x90
[ 71.986224] __device_attach_driver+0x89/0x110
[ 71.986227] ? driver_allows_async_probing+0x70/0x70
[ 71.986230] bus_for_each_drv+0x8c/0xe0
[ 71.986232] __device_attach+0xb2/0x1e0
[ 71.986235] bus_probe_device+0x92/0xb0
[ 71.986237] device_add+0x422/0x9a0
[ 71.986239] ? _dev_info+0x7d/0x98
[ 71.986242] ? blake2s_update+0x4c/0xc0
[ 71.986246] usb_new_device.cold+0x148/0x36d
[ 71.986250] hub_event+0xa8a/0x1910
[ 71.986255] process_one_work+0x1c4/0x380
[ 71.986259] worker_thread+0x51/0x390
[ 71.986262] ? rescuer_thread+0x3b0/0x3b0
[ 71.986264] kthread+0xdb/0x110
[ 71.986266] ? kthread_complete_and_exit+0x20/0x20
[ 71.986268] ret_from_fork+0x1f/0x30
[ 71.986273] </TASK>
[ 71.986274] ---[ end trace 0000000000000000 ]---
[ 71.986284] btusb: probe of 2-1.6:1.0 failed with error -17
References
Impacted products
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CVE-2024-46854 (GCVE-0-2024-46854)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: dpaa: Pad packets to ETH_ZLEN
When sending packets under 60 bytes, up to three bytes of the buffer
following the data may be leaked. Avoid this by extending all packets to
ETH_ZLEN, ensuring nothing is leaked in the padding. This bug can be
reproduced by running
$ ping -s 11 destination
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9ad1a37493338cacf04e2c93acf44d151a7adda8 Version: 9ad1a37493338cacf04e2c93acf44d151a7adda8 Version: 9ad1a37493338cacf04e2c93acf44d151a7adda8 Version: 9ad1a37493338cacf04e2c93acf44d151a7adda8 Version: 9ad1a37493338cacf04e2c93acf44d151a7adda8 Version: 9ad1a37493338cacf04e2c93acf44d151a7adda8 Version: 9ad1a37493338cacf04e2c93acf44d151a7adda8 Version: 9ad1a37493338cacf04e2c93acf44d151a7adda8 |
||
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CVE-2024-50276 (GCVE-0-2024-50276)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: vertexcom: mse102x: Fix possible double free of TX skb
The scope of the TX skb is wider than just mse102x_tx_frame_spi(),
so in case the TX skb room needs to be expanded, we should free the
the temporary skb instead of the original skb. Otherwise the original
TX skb pointer would be freed again in mse102x_tx_work(), which leads
to crashes:
Internal error: Oops: 0000000096000004 [#2] PREEMPT SMP
CPU: 0 PID: 712 Comm: kworker/0:1 Tainted: G D 6.6.23
Hardware name: chargebyte Charge SOM DC-ONE (DT)
Workqueue: events mse102x_tx_work [mse102x]
pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : skb_release_data+0xb8/0x1d8
lr : skb_release_data+0x1ac/0x1d8
sp : ffff8000819a3cc0
x29: ffff8000819a3cc0 x28: ffff0000046daa60 x27: ffff0000057f2dc0
x26: ffff000005386c00 x25: 0000000000000002 x24: 00000000ffffffff
x23: 0000000000000000 x22: 0000000000000001 x21: ffff0000057f2e50
x20: 0000000000000006 x19: 0000000000000000 x18: ffff00003fdacfcc
x17: e69ad452d0c49def x16: 84a005feff870102 x15: 0000000000000000
x14: 000000000000024a x13: 0000000000000002 x12: 0000000000000000
x11: 0000000000000400 x10: 0000000000000930 x9 : ffff00003fd913e8
x8 : fffffc00001bc008
x7 : 0000000000000000 x6 : 0000000000000008
x5 : ffff00003fd91340 x4 : 0000000000000000 x3 : 0000000000000009
x2 : 00000000fffffffe x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
skb_release_data+0xb8/0x1d8
kfree_skb_reason+0x48/0xb0
mse102x_tx_work+0x164/0x35c [mse102x]
process_one_work+0x138/0x260
worker_thread+0x32c/0x438
kthread+0x118/0x11c
ret_from_fork+0x10/0x20
Code: aa1303e0 97fffab6 72001c1f 54000141 (f9400660)
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47743 (GCVE-0-2024-47743)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-11 20:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
KEYS: prevent NULL pointer dereference in find_asymmetric_key()
In find_asymmetric_key(), if all NULLs are passed in the id_{0,1,2}
arguments, the kernel will first emit WARN but then have an oops
because id_2 gets dereferenced anyway.
Add the missing id_2 check and move WARN_ON() to the final else branch
to avoid duplicate NULL checks.
Found by Linux Verification Center (linuxtesting.org) with Svace static
analysis tool.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2022-48853 (GCVE-0-2022-48853)
Vulnerability from cvelistv5
Published
2024-07-16 12:25
Modified
2026-05-11 18:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
swiotlb: fix info leak with DMA_FROM_DEVICE
The problem I'm addressing was discovered by the LTP test covering
cve-2018-1000204.
A short description of what happens follows:
1) The test case issues a command code 00 (TEST UNIT READY) via the SG_IO
interface with: dxfer_len == 524288, dxdfer_dir == SG_DXFER_FROM_DEV
and a corresponding dxferp. The peculiar thing about this is that TUR
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References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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CVE-2024-49924 (GCVE-0-2024-49924)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fbdev: pxafb: Fix possible use after free in pxafb_task()
In the pxafb_probe function, it calls the pxafb_init_fbinfo function,
after which &fbi->task is associated with pxafb_task. Moreover,
within this pxafb_init_fbinfo function, the pxafb_blank function
within the &pxafb_ops struct is capable of scheduling work.
If we remove the module which will call pxafb_remove to make cleanup,
it will call unregister_framebuffer function which can call
do_unregister_framebuffer to free fbi->fb through
put_fb_info(fb_info), while the work mentioned above will be used.
The sequence of operations that may lead to a UAF bug is as follows:
CPU0 CPU1
| pxafb_task
pxafb_remove |
unregister_framebuffer(info) |
do_unregister_framebuffer(fb_info) |
put_fb_info(fb_info) |
// free fbi->fb | set_ctrlr_state(fbi, state)
| __pxafb_lcd_power(fbi, 0)
| fbi->lcd_power(on, &fbi->fb.var)
| //use fbi->fb
Fix it by ensuring that the work is canceled before proceeding
with the cleanup in pxafb_remove.
Note that only root user can remove the driver at runtime.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9f17f2874834f4cdbe48cc05676d8f7558793204 Version: 9f17f2874834f4cdbe48cc05676d8f7558793204 Version: 9f17f2874834f4cdbe48cc05676d8f7558793204 Version: 9f17f2874834f4cdbe48cc05676d8f7558793204 Version: 9f17f2874834f4cdbe48cc05676d8f7558793204 Version: 9f17f2874834f4cdbe48cc05676d8f7558793204 Version: 9f17f2874834f4cdbe48cc05676d8f7558793204 Version: 9f17f2874834f4cdbe48cc05676d8f7558793204 Version: 9f17f2874834f4cdbe48cc05676d8f7558793204 |
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"value": "AV:L - The vulnerability is reached entirely through local interfaces \u2014 `FBIOBLANK`/`FBIOPUT_VSCREENINFO` ioctls on `/dev/fbN` to queue `fbi-\u003etask`, and platform driver unbind/`rmmod` to free the devm-allocated `pxafb_info`. No network or physical device manipulation is involved.\nAC:L - The attacker deterministically arms the race by repeatedly queueing `pxafb_task` via `FBIOBLANK`, and the racing work sleeps up to 200 ms in `wait_for_completion_timeout(\u0026fbi-\u003edisable_done, ...)` inside `pxafb_disable_controller()`, giving an enormous, reliably winnable window. No error path, unusual memory layout, or non-default configuration is required \u2014 `CONFIG_FB_PXA` is standard and tristate on every PXA platform.\nPR:L - An ordinary unprivileged user needs only DAC access to `/dev/fb0` \u2014 which requires no capability and is routinely granted on the embedded PXA handhelds and panel devices this driver targets \u2014 to queue the work and groom the slab that backs the freed `pxafb_info`. This matches this CNA\u0027s established treatment of driver-teardown UAFs (e.g. CVE-2025-21976, hyperv_fb), where `PR:H` is reserved for cases that cross a VM/container security boundary.\nUI:N - No victim action such as opening a file or mounting a filesystem is needed; the pending work is also queued automatically by the fbcon console-blank timer and by `pxafb_set_par()`, so the race can be live without any interactive user.\nS:U - The corrupted memory and the resulting code execution are both in the host kernel\u0027s own security authority, with no VM, IOMMU, or sandbox boundary crossed.\nC:H - The use-after-free lets the attacker control the contents of the reallocated `pxafb_info`, including `fbi-\u003emmio_base`, which `lcd_readl()` dereferences \u2014 yielding an attacker-directed read primitive that, combined with the hijacked control flow, permits disclosure of arbitrary kernel memory.\nI:H - `__pxafb_lcd_power()` and `__pxafb_backlight_power()` call `fbi-\u003elcd_power()` / `fbi-\u003ebacklight_power()` \u2014 function pointers read straight out of the freed allocation \u2014 and `lcd_writel()` performs `__raw_writel()` to an address taken from the same freed object, giving both control-flow hijack and an arbitrary write.\nA:H - Even without successful exploitation the UAF reliably oopses the kernel \u2014 dereferencing a freed `mmio_base`, locking a freed mutex, or on `rmmod` executing `pxafb_task` text that has already been unmapped with the module."
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CVE-2024-53096 (GCVE-0-2024-53096)
Vulnerability from cvelistv5
Published
2024-11-25 21:17
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: resolve faulty mmap_region() error path behaviour
The mmap_region() function is somewhat terrifying, with spaghetti-like
control flow and numerous means by which issues can arise and incomplete
state, memory leaks and other unpleasantness can occur.
A large amount of the complexity arises from trying to handle errors late
in the process of mapping a VMA, which forms the basis of recently
observed issues with resource leaks and observable inconsistent state.
Taking advantage of previous patches in this series we move a number of
checks earlier in the code, simplifying things by moving the core of the
logic into a static internal function __mmap_region().
Doing this allows us to perform a number of checks up front before we do
any real work, and allows us to unwind the writable unmap check
unconditionally as required and to perform a CONFIG_DEBUG_VM_MAPLE_TREE
validation unconditionally also.
We move a number of things here:
1. We preallocate memory for the iterator before we call the file-backed
memory hook, allowing us to exit early and avoid having to perform
complicated and error-prone close/free logic. We carefully free
iterator state on both success and error paths.
2. The enclosing mmap_region() function handles the mapping_map_writable()
logic early. Previously the logic had the mapping_map_writable() at the
point of mapping a newly allocated file-backed VMA, and a matching
mapping_unmap_writable() on success and error paths.
We now do this unconditionally if this is a file-backed, shared writable
mapping. If a driver changes the flags to eliminate VM_MAYWRITE, however
doing so does not invalidate the seal check we just performed, and we in
any case always decrement the counter in the wrapper.
We perform a debug assert to ensure a driver does not attempt to do the
opposite.
3. We also move arch_validate_flags() up into the mmap_region()
function. This is only relevant on arm64 and sparc64, and the check is
only meaningful for SPARC with ADI enabled. We explicitly add a warning
for this arch if a driver invalidates this check, though the code ought
eventually to be fixed to eliminate the need for this.
With all of these measures in place, we no longer need to explicitly close
the VMA on error paths, as we place all checks which might fail prior to a
call to any driver mmap hook.
This eliminates an entire class of errors, makes the code easier to reason
about and more robust.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a3c08c021778dad30f69895e378843e9f423d734 Version: 43bed0a13a5cdbb314d14f28c2bf2c60eb4e6e1e Version: deb0f6562884b5b4beb883d73e66a7d3a1b96d99 Version: deb0f6562884b5b4beb883d73e66a7d3a1b96d99 Version: deb0f6562884b5b4beb883d73e66a7d3a1b96d99 Version: 6757330b1be5b0606125b65ed50caac69bccf9a5 Version: 66f2ed0172af04a89677ae1898600e1264e25800 Version: 5.10.150 ≤ Version: 5.15.75 ≤ Version: 5.19.17 ≤ Version: 6.0.3 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: resolve faulty mmap_region() error path behaviour\n\nThe mmap_region() function is somewhat terrifying, with spaghetti-like\ncontrol flow and numerous means by which issues can arise and incomplete\nstate, memory leaks and other unpleasantness can occur.\n\nA large amount of the complexity arises from trying to handle errors late\nin the process of mapping a VMA, which forms the basis of recently\nobserved issues with resource leaks and observable inconsistent state.\n\nTaking advantage of previous patches in this series we move a number of\nchecks earlier in the code, simplifying things by moving the core of the\nlogic into a static internal function __mmap_region().\n\nDoing this allows us to perform a number of checks up front before we do\nany real work, and allows us to unwind the writable unmap check\nunconditionally as required and to perform a CONFIG_DEBUG_VM_MAPLE_TREE\nvalidation unconditionally also.\n\nWe move a number of things here:\n\n1. We preallocate memory for the iterator before we call the file-backed\n memory hook, allowing us to exit early and avoid having to perform\n complicated and error-prone close/free logic. We carefully free\n iterator state on both success and error paths.\n\n2. The enclosing mmap_region() function handles the mapping_map_writable()\n logic early. Previously the logic had the mapping_map_writable() at the\n point of mapping a newly allocated file-backed VMA, and a matching\n mapping_unmap_writable() on success and error paths.\n\n We now do this unconditionally if this is a file-backed, shared writable\n mapping. If a driver changes the flags to eliminate VM_MAYWRITE, however\n doing so does not invalidate the seal check we just performed, and we in\n any case always decrement the counter in the wrapper.\n\n We perform a debug assert to ensure a driver does not attempt to do the\n opposite.\n\n3. We also move arch_validate_flags() up into the mmap_region()\n function. This is only relevant on arm64 and sparc64, and the check is\n only meaningful for SPARC with ADI enabled. We explicitly add a warning\n for this arch if a driver invalidates this check, though the code ought\n eventually to be fixed to eliminate the need for this.\n\nWith all of these measures in place, we no longer need to explicitly close\nthe VMA on error paths, as we place all checks which might fail prior to a\ncall to any driver mmap hook.\n\nThis eliminates an entire class of errors, makes the code easier to reason\nabout and more robust."
}
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CVE-2024-50128 (GCVE-0-2024-50128)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: wwan: fix global oob in wwan_rtnl_policy
The variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to
a global out-of-bounds read when parsing the netlink attributes. Exactly
same bug cause as the oob fixed in commit b33fb5b801c6 ("net: qualcomm:
rmnet: fix global oob in rmnet_policy").
==================================================================
BUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline]
BUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603
Read of size 1 at addr ffffffff8b09cb60 by task syz.1.66276/323862
CPU: 0 PID: 323862 Comm: syz.1.66276 Not tainted 6.1.70 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x14f/0x750 mm/kasan/report.c:395
kasan_report+0x139/0x170 mm/kasan/report.c:495
validate_nla lib/nlattr.c:388 [inline]
__nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603
__nla_parse+0x3c/0x50 lib/nlattr.c:700
nla_parse_nested_deprecated include/net/netlink.h:1269 [inline]
__rtnl_newlink net/core/rtnetlink.c:3514 [inline]
rtnl_newlink+0x7bc/0x1fd0 net/core/rtnetlink.c:3623
rtnetlink_rcv_msg+0x794/0xef0 net/core/rtnetlink.c:6122
netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2508
netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
netlink_unicast+0x74b/0x8c0 net/netlink/af_netlink.c:1352
netlink_sendmsg+0x882/0xb90 net/netlink/af_netlink.c:1874
sock_sendmsg_nosec net/socket.c:716 [inline]
__sock_sendmsg net/socket.c:728 [inline]
____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499
___sys_sendmsg+0x21c/0x290 net/socket.c:2553
__sys_sendmsg net/socket.c:2582 [inline]
__do_sys_sendmsg net/socket.c:2591 [inline]
__se_sys_sendmsg+0x19e/0x270 net/socket.c:2589
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f67b19a24ad
RSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24ad
RDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004
RBP: 00007f67b1a1e01d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40
</TASK>
The buggy address belongs to the variable:
wwan_rtnl_policy+0x20/0x40
The buggy address belongs to the physical page:
page:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09c
flags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)
Memory state around the buggy address:
ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 00 01 f9 f9
ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9
>ffffffff8b09cb00: 00 00 00 00 05 f9 f9 f9 00 00 00 00 f9 f9 f9 f9
^
ffffffff8b09cb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
According to the comment of `nla_parse_nested_deprecated`, use correct size
`IFLA_WWAN_MAX` here to fix this issue.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wwan: fix global oob in wwan_rtnl_policy\n\nThe variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to\na global out-of-bounds read when parsing the netlink attributes. Exactly\nsame bug cause as the oob fixed in commit b33fb5b801c6 (\"net: qualcomm:\nrmnet: fix global oob in rmnet_policy\").\n\n==================================================================\nBUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline]\nBUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\nRead of size 1 at addr ffffffff8b09cb60 by task syz.1.66276/323862\n\nCPU: 0 PID: 323862 Comm: syz.1.66276 Not tainted 6.1.70 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:284 [inline]\n print_report+0x14f/0x750 mm/kasan/report.c:395\n kasan_report+0x139/0x170 mm/kasan/report.c:495\n validate_nla lib/nlattr.c:388 [inline]\n __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\n __nla_parse+0x3c/0x50 lib/nlattr.c:700\n nla_parse_nested_deprecated include/net/netlink.h:1269 [inline]\n __rtnl_newlink net/core/rtnetlink.c:3514 [inline]\n rtnl_newlink+0x7bc/0x1fd0 net/core/rtnetlink.c:3623\n rtnetlink_rcv_msg+0x794/0xef0 net/core/rtnetlink.c:6122\n netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2508\n netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]\n netlink_unicast+0x74b/0x8c0 net/netlink/af_netlink.c:1352\n netlink_sendmsg+0x882/0xb90 net/netlink/af_netlink.c:1874\n sock_sendmsg_nosec net/socket.c:716 [inline]\n __sock_sendmsg net/socket.c:728 [inline]\n ____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499\n ___sys_sendmsg+0x21c/0x290 net/socket.c:2553\n __sys_sendmsg net/socket.c:2582 [inline]\n __do_sys_sendmsg net/socket.c:2591 [inline]\n __se_sys_sendmsg+0x19e/0x270 net/socket.c:2589\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7f67b19a24ad\nRSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24ad\nRDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004\nRBP: 00007f67b1a1e01d R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40\n \u003c/TASK\u003e\n\nThe buggy address belongs to the variable:\n wwan_rtnl_policy+0x20/0x40\n\nThe buggy address belongs to the physical page:\npage:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09c\nflags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff)\nraw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 0000000000000000\nraw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner info is not present (never set?)\n\nMemory state around the buggy address:\n ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 00 01 f9 f9\n ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9\n\u003effffffff8b09cb00: 00 00 00 00 05 f9 f9 f9 00 00 00 00 f9 f9 f9 f9\n ^\n ffffffff8b09cb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n==================================================================\n\nAccording to the comment of `nla_parse_nested_deprecated`, use correct size\n`IFLA_WWAN_MAX` here to fix this issue."
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"value": "AV:L - The vulnerability is reached by `sendmsg()` on a local `AF_NETLINK`/`NETLINK_ROUTE` socket carrying an `RTM_NEWLINK` message; no remote or adjacent-network packet reaches this code.\nAC:L - The attacker fully controls the netlink message and simply emits `IFLA_LINKINFO{IFLA_INFO_KIND=\"wwan\", IFLA_INFO_DATA{attr type 2}}`, deterministically hitting `policy[2]` on every attempt with no race or memory-layout luck involved.\nPR:L - `rtnetlink_rcv_msg` gates `RTM_NEWLINK` on `netlink_net_capable(skb, CAP_NET_ADMIN)`, which checks the capability against the network namespace\u0027s owning user namespace, so any unprivileged local user obtains it via `unshare -Urn`.\nUI:N - The attacker triggers the out-of-bounds read entirely from its own process by sending one netlink message; no victim action or cooperating user is needed.\nS:U - The out-of-bounds read and its consequences stay within the kernel\u0027s own security authority; no hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - A full 16-byte `struct nla_policy` beyond the array is read, and its contents are handed back to userspace through `NLMSGERR_ATTR_POLICY`, while the `NLA_REJECT` path dereferences the out-of-bounds `reject_message` pointer and copies the string at that arbitrary kernel address to the caller via `NLMSGERR_ATTR_MSG`.\nI:H - The out-of-bounds entry is consumed as control data: `NLA_VALIDATE_FUNCTION` performs an indirect call through the out-of-bounds `pt-\u003evalidate` pointer and `NLA_NESTED`/`NLA_NESTED_ARRAY` recurse using the out-of-bounds `pt-\u003enested_policy` pointer, giving a control-flow transfer through memory the policy array never owned.\nA:H - `BUG_ON(pt-\u003etype \u003e NLA_TYPE_MAX)` fires whenever the out-of-bounds byte exceeds 21, panicking the kernel from a context that holds `rtnl_lock`, so even a survivable oops permanently deadlocks all network configuration; the wild `reject_message`/`nested_policy` dereferences add further fatal faults."
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CVE-2024-49968 (GCVE-0-2024-49968)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-07-14 12:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: filesystems without casefold feature cannot be mounted with siphash
When mounting the ext4 filesystem, if the default hash version is set to
DX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49918 (GCVE-0-2024-49918)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add null check for head_pipe in dcn32_acquire_idle_pipe_for_head_pipe_in_layer
This commit addresses a potential null pointer dereference issue in the
`dcn32_acquire_idle_pipe_for_head_pipe_in_layer` function. The issue
could occur when `head_pipe` is null.
The fix adds a check to ensure `head_pipe` is not null before asserting
it. If `head_pipe` is null, the function returns NULL to prevent a
potential null pointer dereference.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn32/dcn32_resource.c:2690 dcn32_acquire_idle_pipe_for_head_pipe_in_layer() error: we previously assumed 'head_pipe' could be null (see line 2681)
References
Impacted products
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CVE-2024-49962 (GCVE-0-2024-49962)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package()
ACPICA commit 4d4547cf13cca820ff7e0f859ba83e1a610b9fd0
ACPI_ALLOCATE_ZEROED() may fail, elements might be NULL and will cause
NULL pointer dereference later.
[ rjw: Subject and changelog edits ]
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9957510255724c1c746c9a6264c849e9fdd4cd24 Version: 9957510255724c1c746c9a6264c849e9fdd4cd24 Version: 9957510255724c1c746c9a6264c849e9fdd4cd24 Version: 9957510255724c1c746c9a6264c849e9fdd4cd24 Version: 9957510255724c1c746c9a6264c849e9fdd4cd24 Version: 9957510255724c1c746c9a6264c849e9fdd4cd24 Version: 9957510255724c1c746c9a6264c849e9fdd4cd24 Version: 9957510255724c1c746c9a6264c849e9fdd4cd24 Version: 9957510255724c1c746c9a6264c849e9fdd4cd24 |
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CVE-2024-42102 (GCVE-0-2024-42102)
Vulnerability from cvelistv5
Published
2024-07-30 07:45
Modified
2026-05-23 15:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Revert "mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again"
Patch series "mm: Avoid possible overflows in dirty throttling".
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This patch (of 2):
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The commit is broken in several ways. Firstly, the removed (u64) cast
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References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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|---|---|---|---|---|
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CVE-2024-50186 (GCVE-0-2024-50186)
Vulnerability from cvelistv5
Published
2024-11-08 05:38
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: explicitly clear the sk pointer, when pf->create fails
We have recently noticed the exact same KASAN splat as in commit
6cd4a78d962b ("net: do not leave a dangling sk pointer, when socket
creation fails"). The problem is that commit did not fully address the
problem, as some pf->create implementations do not use sk_common_release
in their error paths.
For example, we can use the same reproducer as in the above commit, but
changing ping to arping. arping uses AF_PACKET socket and if packet_create
fails, it will just sk_free the allocated sk object.
While we could chase all the pf->create implementations and make sure they
NULL the freed sk object on error from the socket, we can't guarantee
future protocols will not make the same mistake.
So it is easier to just explicitly NULL the sk pointer upon return from
pf->create in __sock_create. We do know that pf->create always releases the
allocated sk object on error, so if the pointer is not NULL, it is
definitely dangling.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50234 (GCVE-0-2024-50234)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlegacy: Clear stale interrupts before resuming device
iwl4965 fails upon resume from hibernation on my laptop. The reason
seems to be a stale interrupt which isn't being cleared out before
interrupts are enabled. We end up with a race beween the resume
trying to bring things back up, and the restart work (queued form
the interrupt handler) trying to bring things down. Eventually
the whole thing blows up.
Fix the problem by clearing out any stale interrupts before
interrupts get enabled during resume.
Here's a debug log of the indicent:
[ 12.042589] ieee80211 phy0: il_isr ISR inta 0x00000080, enabled 0xaa00008b, fh 0x00000000
[ 12.042625] ieee80211 phy0: il4965_irq_tasklet inta 0x00000080, enabled 0x00000000, fh 0x00000000
[ 12.042651] iwl4965 0000:10:00.0: RF_KILL bit toggled to enable radio.
[ 12.042653] iwl4965 0000:10:00.0: On demand firmware reload
[ 12.042690] ieee80211 phy0: il4965_irq_tasklet End inta 0x00000000, enabled 0xaa00008b, fh 0x00000000, flags 0x00000282
[ 12.052207] ieee80211 phy0: il4965_mac_start enter
[ 12.052212] ieee80211 phy0: il_prep_station Add STA to driver ID 31: ff:ff:ff:ff:ff:ff
[ 12.052244] ieee80211 phy0: il4965_set_hw_ready hardware ready
[ 12.052324] ieee80211 phy0: il_apm_init Init card's basic functions
[ 12.052348] ieee80211 phy0: il_apm_init L1 Enabled; Disabling L0S
[ 12.055727] ieee80211 phy0: il4965_load_bsm Begin load bsm
[ 12.056140] ieee80211 phy0: il4965_verify_bsm Begin verify bsm
[ 12.058642] ieee80211 phy0: il4965_verify_bsm BSM bootstrap uCode image OK
[ 12.058721] ieee80211 phy0: il4965_load_bsm BSM write complete, poll 1 iterations
[ 12.058734] ieee80211 phy0: __il4965_up iwl4965 is coming up
[ 12.058737] ieee80211 phy0: il4965_mac_start Start UP work done.
[ 12.058757] ieee80211 phy0: __il4965_down iwl4965 is going down
[ 12.058761] ieee80211 phy0: il_scan_cancel_timeout Scan cancel timeout
[ 12.058762] ieee80211 phy0: il_do_scan_abort Not performing scan to abort
[ 12.058765] ieee80211 phy0: il_clear_ucode_stations Clearing ucode stations in driver
[ 12.058767] ieee80211 phy0: il_clear_ucode_stations No active stations found to be cleared
[ 12.058819] ieee80211 phy0: _il_apm_stop Stop card, put in low power state
[ 12.058827] ieee80211 phy0: _il_apm_stop_master stop master
[ 12.058864] ieee80211 phy0: il4965_clear_free_frames 0 frames on pre-allocated heap on clear.
[ 12.058869] ieee80211 phy0: Hardware restart was requested
[ 16.132299] iwl4965 0000:10:00.0: START_ALIVE timeout after 4000ms.
[ 16.132303] ------------[ cut here ]------------
[ 16.132304] Hardware became unavailable upon resume. This could be a software issue prior to suspend or a hardware issue.
[ 16.132338] WARNING: CPU: 0 PID: 181 at net/mac80211/util.c:1826 ieee80211_reconfig+0x8f/0x14b0 [mac80211]
[ 16.132390] Modules linked in: ctr ccm sch_fq_codel xt_tcpudp xt_multiport xt_state iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv4 ip_tables x_tables binfmt_misc joydev mousedev btusb btrtl btintel btbcm bluetooth ecdh_generic ecc iTCO_wdt i2c_dev iwl4965 iwlegacy coretemp snd_hda_codec_analog pcspkr psmouse mac80211 snd_hda_codec_generic libarc4 sdhci_pci cqhci sha256_generic sdhci libsha256 firewire_ohci snd_hda_intel snd_intel_dspcfg mmc_core snd_hda_codec snd_hwdep firewire_core led_class iosf_mbi snd_hda_core uhci_hcd lpc_ich crc_itu_t cfg80211 ehci_pci ehci_hcd snd_pcm usbcore mfd_core rfkill snd_timer snd usb_common soundcore video parport_pc parport intel_agp wmi intel_gtt backlight e1000e agpgart evdev
[ 16.132456] CPU: 0 UID: 0 PID: 181 Comm: kworker/u8:6 Not tainted 6.11.0-cl+ #143
[ 16.132460] Hardware name: Hewlett-Packard HP Compaq 6910p/30BE, BIOS 68MCU Ver. F.19 07/06/2010
[ 16.132463] Workqueue: async async_run_entry_fn
[ 16.132469] RIP: 0010:ieee80211_reconfig+0x8f/0x14b0 [mac80211]
[ 16.132501] Code: da 02 00 0
---truncated---
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e655b9f03f41c7a84fb74d6619abf844d7f2ab65 Version: e655b9f03f41c7a84fb74d6619abf844d7f2ab65 Version: e655b9f03f41c7a84fb74d6619abf844d7f2ab65 Version: e655b9f03f41c7a84fb74d6619abf844d7f2ab65 Version: e655b9f03f41c7a84fb74d6619abf844d7f2ab65 Version: e655b9f03f41c7a84fb74d6619abf844d7f2ab65 Version: e655b9f03f41c7a84fb74d6619abf844d7f2ab65 Version: e655b9f03f41c7a84fb74d6619abf844d7f2ab65 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlegacy: Clear stale interrupts before resuming device\n\niwl4965 fails upon resume from hibernation on my laptop. The reason\nseems to be a stale interrupt which isn\u0027t being cleared out before\ninterrupts are enabled. We end up with a race beween the resume\ntrying to bring things back up, and the restart work (queued form\nthe interrupt handler) trying to bring things down. Eventually\nthe whole thing blows up.\n\nFix the problem by clearing out any stale interrupts before\ninterrupts get enabled during resume.\n\nHere\u0027s a debug log of the indicent:\n[ 12.042589] ieee80211 phy0: il_isr ISR inta 0x00000080, enabled 0xaa00008b, fh 0x00000000\n[ 12.042625] ieee80211 phy0: il4965_irq_tasklet inta 0x00000080, enabled 0x00000000, fh 0x00000000\n[ 12.042651] iwl4965 0000:10:00.0: RF_KILL bit toggled to enable radio.\n[ 12.042653] iwl4965 0000:10:00.0: On demand firmware reload\n[ 12.042690] ieee80211 phy0: il4965_irq_tasklet End inta 0x00000000, enabled 0xaa00008b, fh 0x00000000, flags 0x00000282\n[ 12.052207] ieee80211 phy0: il4965_mac_start enter\n[ 12.052212] ieee80211 phy0: il_prep_station Add STA to driver ID 31: ff:ff:ff:ff:ff:ff\n[ 12.052244] ieee80211 phy0: il4965_set_hw_ready hardware ready\n[ 12.052324] ieee80211 phy0: il_apm_init Init card\u0027s basic functions\n[ 12.052348] ieee80211 phy0: il_apm_init L1 Enabled; Disabling L0S\n[ 12.055727] ieee80211 phy0: il4965_load_bsm Begin load bsm\n[ 12.056140] ieee80211 phy0: il4965_verify_bsm Begin verify bsm\n[ 12.058642] ieee80211 phy0: il4965_verify_bsm BSM bootstrap uCode image OK\n[ 12.058721] ieee80211 phy0: il4965_load_bsm BSM write complete, poll 1 iterations\n[ 12.058734] ieee80211 phy0: __il4965_up iwl4965 is coming up\n[ 12.058737] ieee80211 phy0: il4965_mac_start Start UP work done.\n[ 12.058757] ieee80211 phy0: __il4965_down iwl4965 is going down\n[ 12.058761] ieee80211 phy0: il_scan_cancel_timeout Scan cancel timeout\n[ 12.058762] ieee80211 phy0: il_do_scan_abort Not performing scan to abort\n[ 12.058765] ieee80211 phy0: il_clear_ucode_stations Clearing ucode stations in driver\n[ 12.058767] ieee80211 phy0: il_clear_ucode_stations No active stations found to be cleared\n[ 12.058819] ieee80211 phy0: _il_apm_stop Stop card, put in low power state\n[ 12.058827] ieee80211 phy0: _il_apm_stop_master stop master\n[ 12.058864] ieee80211 phy0: il4965_clear_free_frames 0 frames on pre-allocated heap on clear.\n[ 12.058869] ieee80211 phy0: Hardware restart was requested\n[ 16.132299] iwl4965 0000:10:00.0: START_ALIVE timeout after 4000ms.\n[ 16.132303] ------------[ cut here ]------------\n[ 16.132304] Hardware became unavailable upon resume. This could be a software issue prior to suspend or a hardware issue.\n[ 16.132338] WARNING: CPU: 0 PID: 181 at net/mac80211/util.c:1826 ieee80211_reconfig+0x8f/0x14b0 [mac80211]\n[ 16.132390] Modules linked in: ctr ccm sch_fq_codel xt_tcpudp xt_multiport xt_state iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv4 ip_tables x_tables binfmt_misc joydev mousedev btusb btrtl btintel btbcm bluetooth ecdh_generic ecc iTCO_wdt i2c_dev iwl4965 iwlegacy coretemp snd_hda_codec_analog pcspkr psmouse mac80211 snd_hda_codec_generic libarc4 sdhci_pci cqhci sha256_generic sdhci libsha256 firewire_ohci snd_hda_intel snd_intel_dspcfg mmc_core snd_hda_codec snd_hwdep firewire_core led_class iosf_mbi snd_hda_core uhci_hcd lpc_ich crc_itu_t cfg80211 ehci_pci ehci_hcd snd_pcm usbcore mfd_core rfkill snd_timer snd usb_common soundcore video parport_pc parport intel_agp wmi intel_gtt backlight e1000e agpgart evdev\n[ 16.132456] CPU: 0 UID: 0 PID: 181 Comm: kworker/u8:6 Not tainted 6.11.0-cl+ #143\n[ 16.132460] Hardware name: Hewlett-Packard HP Compaq 6910p/30BE, BIOS 68MCU Ver. F.19 07/06/2010\n[ 16.132463] Workqueue: async async_run_entry_fn\n[ 16.132469] RIP: 0010:ieee80211_reconfig+0x8f/0x14b0 [mac80211]\n[ 16.132501] Code: da 02 00 0\n---truncated---"
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CVE-2024-46800 (GCVE-0-2024-46800)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
sch/netem: fix use after free in netem_dequeue
If netem_dequeue() enqueues packet to inner qdisc and that qdisc
returns __NET_XMIT_STOLEN. The packet is dropped but
qdisc_tree_reduce_backlog() is not called to update the parent's
q.qlen, leading to the similar use-after-free as Commit
e04991a48dbaf382 ("netem: fix return value if duplicate enqueue
fails")
Commands to trigger KASAN UaF:
ip link add type dummy
ip link set lo up
ip link set dummy0 up
tc qdisc add dev lo parent root handle 1: drr
tc filter add dev lo parent 1: basic classid 1:1
tc class add dev lo classid 1:1 drr
tc qdisc add dev lo parent 1:1 handle 2: netem
tc qdisc add dev lo parent 2: handle 3: drr
tc filter add dev lo parent 3: basic classid 3:1 action mirred egress
redirect dev dummy0
tc class add dev lo classid 3:1 drr
ping -c1 -W0.01 localhost # Trigger bug
tc class del dev lo classid 1:1
tc class add dev lo classid 1:1 drr
ping -c1 -W0.01 localhost # UaF
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 50612537e9ab29693122fab20fc1eed235054ffe Version: 50612537e9ab29693122fab20fc1eed235054ffe Version: 50612537e9ab29693122fab20fc1eed235054ffe Version: 50612537e9ab29693122fab20fc1eed235054ffe Version: 50612537e9ab29693122fab20fc1eed235054ffe Version: 50612537e9ab29693122fab20fc1eed235054ffe Version: 50612537e9ab29693122fab20fc1eed235054ffe Version: 50612537e9ab29693122fab20fc1eed235054ffe |
||
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CVE-2024-46836 (GCVE-0-2024-46836)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: aspeed_udc: validate endpoint index for ast udc
We should verify the bound of the array to assure that host
may not manipulate the index to point past endpoint array.
Found by static analysis.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49935 (GCVE-0-2024-49935)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPI: PAD: fix crash in exit_round_robin()
The kernel occasionally crashes in cpumask_clear_cpu(), which is called
within exit_round_robin(), because when executing clear_bit(nr, addr) with
nr set to 0xffffffff, the address calculation may cause misalignment within
the memory, leading to access to an invalid memory address.
----------
BUG: unable to handle kernel paging request at ffffffffe0740618
...
CPU: 3 PID: 2919323 Comm: acpi_pad/14 Kdump: loaded Tainted: G OE X --------- - - 4.18.0-425.19.2.el8_7.x86_64 #1
...
RIP: 0010:power_saving_thread+0x313/0x411 [acpi_pad]
Code: 89 cd 48 89 d3 eb d1 48 c7 c7 55 70 72 c0 e8 64 86 b0 e4 c6 05 0d a1 02 00 01 e9 bc fd ff ff 45 89 e4 42 8b 04 a5 20 82 72 c0 <f0> 48 0f b3 05 f4 9c 01 00 42 c7 04 a5 20 82 72 c0 ff ff ff ff 31
RSP: 0018:ff72a5d51fa77ec8 EFLAGS: 00010202
RAX: 00000000ffffffff RBX: ff462981e5d8cb80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246
RBP: ff46297556959d80 R08: 0000000000000382 R09: ff46297c8d0f38d8
R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000000e
R13: 0000000000000000 R14: ffffffffffffffff R15: 000000000000000e
FS: 0000000000000000(0000) GS:ff46297a800c0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffe0740618 CR3: 0000007e20410004 CR4: 0000000000771ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
? acpi_pad_add+0x120/0x120 [acpi_pad]
kthread+0x10b/0x130
? set_kthread_struct+0x50/0x50
ret_from_fork+0x1f/0x40
...
CR2: ffffffffe0740618
crash> dis -lr ffffffffc0726923
...
/usr/src/debug/kernel-4.18.0-425.19.2.el8_7/linux-4.18.0-425.19.2.el8_7.x86_64/./include/linux/cpumask.h: 114
0xffffffffc0726918 <power_saving_thread+776>: mov %r12d,%r12d
/usr/src/debug/kernel-4.18.0-425.19.2.el8_7/linux-4.18.0-425.19.2.el8_7.x86_64/./include/linux/cpumask.h: 325
0xffffffffc072691b <power_saving_thread+779>: mov -0x3f8d7de0(,%r12,4),%eax
/usr/src/debug/kernel-4.18.0-425.19.2.el8_7/linux-4.18.0-425.19.2.el8_7.x86_64/./arch/x86/include/asm/bitops.h: 80
0xffffffffc0726923 <power_saving_thread+787>: lock btr %rax,0x19cf4(%rip) # 0xffffffffc0740620 <pad_busy_cpus_bits>
crash> px tsk_in_cpu[14]
$66 = 0xffffffff
crash> px 0xffffffffc072692c+0x19cf4
$99 = 0xffffffffc0740620
crash> sym 0xffffffffc0740620
ffffffffc0740620 (b) pad_busy_cpus_bits [acpi_pad]
crash> px pad_busy_cpus_bits[0]
$42 = 0xfffc0
----------
To fix this, ensure that tsk_in_cpu[tsk_index] != -1 before calling
cpumask_clear_cpu() in exit_round_robin(), just as it is done in
round_robin_cpu().
[ rjw: Subject edit, avoid updates to the same value ]
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d Version: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d Version: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d Version: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d Version: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d Version: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d Version: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d Version: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d |
||
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CVE-2024-49947 (GCVE-0-2024-49947)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: test for not too small csum_start in virtio_net_hdr_to_skb()
syzbot was able to trigger this warning [1], after injecting a
malicious packet through af_packet, setting skb->csum_start and thus
the transport header to an incorrect value.
We can at least make sure the transport header is after
the end of the network header (with a estimated minimal size).
[1]
[ 67.873027] skb len=4096 headroom=16 headlen=14 tailroom=0
mac=(-1,-1) mac_len=0 net=(16,-6) trans=10
shinfo(txflags=0 nr_frags=1 gso(size=0 type=0 segs=0))
csum(0xa start=10 offset=0 ip_summed=3 complete_sw=0 valid=0 level=0)
hash(0x0 sw=0 l4=0) proto=0x0800 pkttype=0 iif=0
priority=0x0 mark=0x0 alloc_cpu=10 vlan_all=0x0
encapsulation=0 inner(proto=0x0000, mac=0, net=0, trans=0)
[ 67.877172] dev name=veth0_vlan feat=0x000061164fdd09e9
[ 67.877764] sk family=17 type=3 proto=0
[ 67.878279] skb linear: 00000000: 00 00 10 00 00 00 00 00 0f 00 00 00 08 00
[ 67.879128] skb frag: 00000000: 0e 00 07 00 00 00 28 00 08 80 1c 00 04 00 00 02
[ 67.879877] skb frag: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.880647] skb frag: 00000020: 00 00 02 00 00 00 08 00 1b 00 00 00 00 00 00 00
[ 67.881156] skb frag: 00000030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.881753] skb frag: 00000040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.882173] skb frag: 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.882790] skb frag: 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.883171] skb frag: 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.883733] skb frag: 00000080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.884206] skb frag: 00000090: 00 00 00 00 00 00 00 00 00 00 69 70 76 6c 61 6e
[ 67.884704] skb frag: 000000a0: 31 00 00 00 00 00 00 00 00 00 2b 00 00 00 00 00
[ 67.885139] skb frag: 000000b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.885677] skb frag: 000000c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.886042] skb frag: 000000d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.886408] skb frag: 000000e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.887020] skb frag: 000000f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 67.887384] skb frag: 00000100: 00 00
[ 67.887878] ------------[ cut here ]------------
[ 67.887908] offset (-6) >= skb_headlen() (14)
[ 67.888445] WARNING: CPU: 10 PID: 2088 at net/core/dev.c:3332 skb_checksum_help (net/core/dev.c:3332 (discriminator 2))
[ 67.889353] Modules linked in: macsec macvtap macvlan hsr wireguard curve25519_x86_64 libcurve25519_generic libchacha20poly1305 chacha_x86_64 libchacha poly1305_x86_64 dummy bridge sr_mod cdrom evdev pcspkr i2c_piix4 9pnet_virtio 9p 9pnet netfs
[ 67.890111] CPU: 10 UID: 0 PID: 2088 Comm: b363492833 Not tainted 6.11.0-virtme #1011
[ 67.890183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 67.890309] RIP: 0010:skb_checksum_help (net/core/dev.c:3332 (discriminator 2))
[ 67.891043] Call Trace:
[ 67.891173] <TASK>
[ 67.891274] ? __warn (kernel/panic.c:741)
[ 67.891320] ? skb_checksum_help (net/core/dev.c:3332 (discriminator 2))
[ 67.891333] ? report_bug (lib/bug.c:180 lib/bug.c:219)
[ 67.891348] ? handle_bug (arch/x86/kernel/traps.c:239)
[ 67.891363] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))
[ 67.891372] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 67.891388] ? skb_checksum_help (net/core/dev.c:3332 (discriminator 2))
[ 67.891399] ? skb_checksum_help (net/core/dev.c:3332 (discriminator 2))
[ 67.891416] ip_do_fragment (net/ipv4/ip_output.c:777 (discriminator 1))
[ 67.891448] ? __ip_local_out (./include/linux/skbuff.h:1146 ./include/net/l3mdev.h:196 ./include/net/l3mdev.h:213 ne
---truncated---
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 342c88f406c2acd3dd00767aeacafe883cebb374 Version: 9181d6f8a2bb32d158de66a84164fac05e3ddd18 Version: 9181d6f8a2bb32d158de66a84164fac05e3ddd18 Version: 9181d6f8a2bb32d158de66a84164fac05e3ddd18 Version: 765290b628c2fb764bdfaf8088754439665751e8 Version: 6.6.14 ≤ Version: 6.7.2 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: test for not too small csum_start in virtio_net_hdr_to_skb()\n\nsyzbot was able to trigger this warning [1], after injecting a\nmalicious packet through af_packet, setting skb-\u003ecsum_start and thus\nthe transport header to an incorrect value.\n\nWe can at least make sure the transport header is after\nthe end of the network header (with a estimated minimal size).\n\n[1]\n[ 67.873027] skb len=4096 headroom=16 headlen=14 tailroom=0\nmac=(-1,-1) mac_len=0 net=(16,-6) trans=10\nshinfo(txflags=0 nr_frags=1 gso(size=0 type=0 segs=0))\ncsum(0xa start=10 offset=0 ip_summed=3 complete_sw=0 valid=0 level=0)\nhash(0x0 sw=0 l4=0) proto=0x0800 pkttype=0 iif=0\npriority=0x0 mark=0x0 alloc_cpu=10 vlan_all=0x0\nencapsulation=0 inner(proto=0x0000, mac=0, net=0, trans=0)\n[ 67.877172] dev name=veth0_vlan feat=0x000061164fdd09e9\n[ 67.877764] sk family=17 type=3 proto=0\n[ 67.878279] skb linear: 00000000: 00 00 10 00 00 00 00 00 0f 00 00 00 08 00\n[ 67.879128] skb frag: 00000000: 0e 00 07 00 00 00 28 00 08 80 1c 00 04 00 00 02\n[ 67.879877] skb frag: 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.880647] skb frag: 00000020: 00 00 02 00 00 00 08 00 1b 00 00 00 00 00 00 00\n[ 67.881156] skb frag: 00000030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.881753] skb frag: 00000040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.882173] skb frag: 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.882790] skb frag: 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.883171] skb frag: 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.883733] skb frag: 00000080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.884206] skb frag: 00000090: 00 00 00 00 00 00 00 00 00 00 69 70 76 6c 61 6e\n[ 67.884704] skb frag: 000000a0: 31 00 00 00 00 00 00 00 00 00 2b 00 00 00 00 00\n[ 67.885139] skb frag: 000000b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.885677] skb frag: 000000c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.886042] skb frag: 000000d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.886408] skb frag: 000000e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.887020] skb frag: 000000f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n[ 67.887384] skb frag: 00000100: 00 00\n[ 67.887878] ------------[ cut here ]------------\n[ 67.887908] offset (-6) \u003e= skb_headlen() (14)\n[ 67.888445] WARNING: CPU: 10 PID: 2088 at net/core/dev.c:3332 skb_checksum_help (net/core/dev.c:3332 (discriminator 2))\n[ 67.889353] Modules linked in: macsec macvtap macvlan hsr wireguard curve25519_x86_64 libcurve25519_generic libchacha20poly1305 chacha_x86_64 libchacha poly1305_x86_64 dummy bridge sr_mod cdrom evdev pcspkr i2c_piix4 9pnet_virtio 9p 9pnet netfs\n[ 67.890111] CPU: 10 UID: 0 PID: 2088 Comm: b363492833 Not tainted 6.11.0-virtme #1011\n[ 67.890183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[ 67.890309] RIP: 0010:skb_checksum_help (net/core/dev.c:3332 (discriminator 2))\n[ 67.891043] Call Trace:\n[ 67.891173] \u003cTASK\u003e\n[ 67.891274] ? __warn (kernel/panic.c:741)\n[ 67.891320] ? skb_checksum_help (net/core/dev.c:3332 (discriminator 2))\n[ 67.891333] ? report_bug (lib/bug.c:180 lib/bug.c:219)\n[ 67.891348] ? handle_bug (arch/x86/kernel/traps.c:239)\n[ 67.891363] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))\n[ 67.891372] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)\n[ 67.891388] ? skb_checksum_help (net/core/dev.c:3332 (discriminator 2))\n[ 67.891399] ? skb_checksum_help (net/core/dev.c:3332 (discriminator 2))\n[ 67.891416] ip_do_fragment (net/ipv4/ip_output.c:777 (discriminator 1))\n[ 67.891448] ? __ip_local_out (./include/linux/skbuff.h:1146 ./include/net/l3mdev.h:196 ./include/net/l3mdev.h:213 ne\n---truncated---"
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"title": "net: test for not too small csum_start in virtio_net_hdr_to_skb()",
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"datePublished": "2024-10-21T18:02:04.456Z",
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"dateUpdated": "2026-05-23T15:54:06.637Z",
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CVE-2022-48994 (GCVE-0-2022-48994)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ALSA: seq: Fix function prototype mismatch in snd_seq_expand_var_event
With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG),
indirect call targets are validated against the expected function
pointer prototype to make sure the call target is valid to help mitigate
ROP attacks. If they are not identical, there is a failure at run time,
which manifests as either a kernel panic or thread getting killed.
seq_copy_in_user() and seq_copy_in_kernel() did not have prototypes
matching snd_seq_dump_func_t. Adjust this and remove the casts. There
are not resulting binary output differences.
This was found as a result of Clang's new -Wcast-function-type-strict
flag, which is more sensitive than the simpler -Wcast-function-type,
which only checks for type width mismatches.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2024-44995 (GCVE-0-2024-44995)
Vulnerability from cvelistv5
Published
2024-09-04 19:54
Modified
2026-08-05 11:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: hns3: fix a deadlock problem when config TC during resetting
When config TC during the reset process, may cause a deadlock, the flow is
as below:
pf reset start
│
▼
......
setup tc │
│ ▼
▼ DOWN: napi_disable()
napi_disable()(skip) │
│ │
▼ ▼
...... ......
│ │
▼ │
napi_enable() │
▼
UINIT: netif_napi_del()
│
▼
......
│
▼
INIT: netif_napi_add()
│
▼
...... global reset start
│ │
▼ ▼
UP: napi_enable()(skip) ......
│ │
▼ ▼
...... napi_disable()
In reset process, the driver will DOWN the port and then UINIT, in this
case, the setup tc process will UP the port before UINIT, so cause the
problem. Adds a DOWN process in UINIT to fix it.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: bb6b94a896d4dd4dcdeccca87c3fd22521c652c0 Version: bb6b94a896d4dd4dcdeccca87c3fd22521c652c0 Version: bb6b94a896d4dd4dcdeccca87c3fd22521c652c0 Version: bb6b94a896d4dd4dcdeccca87c3fd22521c652c0 Version: bb6b94a896d4dd4dcdeccca87c3fd22521c652c0 Version: bb6b94a896d4dd4dcdeccca87c3fd22521c652c0 Version: bb6b94a896d4dd4dcdeccca87c3fd22521c652c0 |
||
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CVE-2024-47750 (GCVE-0-2024-47750)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/hns: Fix Use-After-Free of rsv_qp on HIP08
Currently rsv_qp is freed before ib_unregister_device() is called
on HIP08. During the time interval, users can still dereg MR and
rsv_qp will be used in this process, leading to a UAF. Move the
release of rsv_qp after calling ib_unregister_device() to fix it.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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"value": "AV:L - The vulnerable code is reached by a local process issuing an MR deregistration on an RDMA verbs character device (/dev/infiniband/uverbs*, typically mode 0666 under stock rdma-core udev rules), i.e. via ioctl/write on a local device file. No remote packet processing reaches `free_mr_send_cmd_to_hw()`.\nAC:L - The attacker owns the consuming side of the race and can keep many threads permanently spinning in `ib_dereg_mr()`, so threads are continuously resident in the completely unsynchronized window between the `hr_dev-\u003estate` TOCTOU check and the dereference of `free_mr-\u003ersv_qp[]`/`rsv_cq`; whenever the routine teardown or hardware reset path runs `free_mr_exit()`, the race is won reliably, and the freed `struct hns_roce_qp` is a plain kmalloc object the attacker can spray.\nPR:L - Only an ordinary unprivileged local account is needed \u2014 opening the uverbs device, allocating a PD and registering a small MR (within the default RLIMIT_MEMLOCK, so no CAP_IPC_LOCK), then deregistering it, is enough to enter `hns_roce_v2_dereg_mr()`. No root, CAP_NET_ADMIN, or capability in any namespace is required.\nUI:N - The attacker\u0027s own dereg-MR loop drives the vulnerable path entirely on its own; no victim action, file open, or mount is needed, and the teardown side is a routine system event rather than a user-performed step.\nS:U - The use-after-free corrupts kernel heap state within the same kernel security authority; there is no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - This is a use-after-free on a heap-allocated `struct hns_roce_qp` and `struct hns_roce_cq`; after slab reallocation, `hns_roce_v2_post_send()` and `hns_roce_v2_poll_cq()` read pointers, MTR translation state, and CQE contents out of attacker-groomed memory, yielding an arbitrary kernel-memory read primitive.\nI:H - `hns_roce_v2_post_send()` writes a WQE and `qp-\u003esq.wrid[wqe_idx]` through addresses computed from the freed object\u0027s fields and takes a spinlock on freed memory, so reclaiming the slab gives a controlled kernel write usable for control-flow hijack and privilege escalation; `mutex_lock()` on a `mutex_destroy()`ed lock compounds the corruption.\nA:H - Even without successful heap grooming, dereferencing the freed reserved QP/CQ and locking a destroyed mutex reliably produces a KASAN splat, list corruption, or kernel oops/panic, taking the RDMA-serving host down."
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CVE-2024-46846 (GCVE-0-2024-46846)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
spi: rockchip: Resolve unbalanced runtime PM / system PM handling
Commit e882575efc77 ("spi: rockchip: Suspend and resume the bus during
NOIRQ_SYSTEM_SLEEP_PM ops") stopped respecting runtime PM status and
simply disabled clocks unconditionally when suspending the system. This
causes problems when the device is already runtime suspended when we go
to sleep -- in which case we double-disable clocks and produce a
WARNing.
Switch back to pm_runtime_force_{suspend,resume}(), because that still
seems like the right thing to do, and the aforementioned commit makes no
explanation why it stopped using it.
Also, refactor some of the resume() error handling, because it's not
actually a good idea to re-disable clocks on failure.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50007 (GCVE-0-2024-50007)
Vulnerability from cvelistv5
Published
2024-10-21 18:54
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ALSA: asihpi: Fix potential OOB array access
ASIHPI driver stores some values in the static array upon a response
from the driver, and its index depends on the firmware. We shouldn't
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References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-47658 (GCVE-0-2024-47658)
Vulnerability from cvelistv5
Published
2024-10-09 14:02
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
crypto: stm32/cryp - call finalize with bh disabled
The finalize operation in interrupt mode produce a produces a spinlock
recursion warning. The reason is the fact that BH must be disabled
during this process.
References
Impacted products
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CVE-2024-38615 (GCVE-0-2024-38615)
Vulnerability from cvelistv5
Published
2024-06-19 13:56
Modified
2026-05-12 11:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: exit() callback is optional
The exit() callback is optional and shouldn't be called without checking
a valid pointer first.
Also, we must clear freq_table pointer even if the exit() callback isn't
present.
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
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CVE-2024-50127 (GCVE-0-2024-50127)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: sched: fix use-after-free in taprio_change()
In 'taprio_change()', 'admin' pointer may become dangling due to sched
switch / removal caused by 'advance_sched()', and critical section
protected by 'q->current_entry_lock' is too small to prevent from such
a scenario (which causes use-after-free detected by KASAN). Fix this
by prefer 'rcu_replace_pointer()' over 'rcu_assign_pointer()' to update
'admin' immediately before an attempt to schedule freeing.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 |
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CVE-2024-38599 (GCVE-0-2024-38599)
Vulnerability from cvelistv5
Published
2024-06-19 13:45
Modified
2026-08-05 11:33
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
jffs2: prevent xattr node from overflowing the eraseblock
Add a check to make sure that the requested xattr node size is no larger
than the eraseblock minus the cleanmarker.
Unlike the usual inode nodes, the xattr nodes aren't split into parts
and spread across multiple eraseblocks, which means that a xattr node
must not occupy more than one eraseblock. If the requested xattr value is
too large, the xattr node can spill onto the next eraseblock, overwriting
the nodes and causing errors such as:
jffs2: argh. node added in wrong place at 0x0000b050(2)
jffs2: nextblock 0x0000a000, expected at 0000b00c
jffs2: error: (823) do_verify_xattr_datum: node CRC failed at 0x01e050,
read=0xfc892c93, calc=0x000000
jffs2: notice: (823) jffs2_get_inode_nodes: Node header CRC failed
at 0x01e00c. {848f,2fc4,0fef511f,59a3d171}
jffs2: Node at 0x0000000c with length 0x00001044 would run over the
end of the erase block
jffs2: Perhaps the file system was created with the wrong erase size?
jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x00000010: 0x1044 instead
This breaks the filesystem and can lead to KASAN crashes such as:
BUG: KASAN: slab-out-of-bounds in jffs2_sum_add_kvec+0x125e/0x15d0
Read of size 4 at addr ffff88802c31e914 by task repro/830
CPU: 0 PID: 830 Comm: repro Not tainted 6.9.0-rc3+ #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
BIOS Arch Linux 1.16.3-1-1 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0xc6/0x120
print_report+0xc4/0x620
? __virt_addr_valid+0x308/0x5b0
kasan_report+0xc1/0xf0
? jffs2_sum_add_kvec+0x125e/0x15d0
? jffs2_sum_add_kvec+0x125e/0x15d0
jffs2_sum_add_kvec+0x125e/0x15d0
jffs2_flash_direct_writev+0xa8/0xd0
jffs2_flash_writev+0x9c9/0xef0
? __x64_sys_setxattr+0xc4/0x160
? do_syscall_64+0x69/0x140
? entry_SYSCALL_64_after_hwframe+0x76/0x7e
[...]
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: aa98d7cf59b5b0764d3502662053489585faf2fe Version: aa98d7cf59b5b0764d3502662053489585faf2fe Version: aa98d7cf59b5b0764d3502662053489585faf2fe Version: aa98d7cf59b5b0764d3502662053489585faf2fe Version: aa98d7cf59b5b0764d3502662053489585faf2fe Version: aa98d7cf59b5b0764d3502662053489585faf2fe Version: aa98d7cf59b5b0764d3502662053489585faf2fe Version: aa98d7cf59b5b0764d3502662053489585faf2fe Version: aa98d7cf59b5b0764d3502662053489585faf2fe |
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CVE-2024-46871 (GCVE-0-2024-46871)
Vulnerability from cvelistv5
Published
2024-10-09 14:02
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Correct the defined value for AMDGPU_DMUB_NOTIFICATION_MAX
[Why & How]
It actually exposes '6' types in enum dmub_notification_type. Not 5. Using smaller
number to create array dmub_callback & dmub_thread_offload has potential to access
item out of array bound. Fix it.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50055 (GCVE-0-2024-50055)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
driver core: bus: Fix double free in driver API bus_register()
For bus_register(), any error which happens after kset_register() will
cause that @priv are freed twice, fixed by setting @priv with NULL after
the first free.
References
Impacted products
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"value": "AV:L - `bus_register()` is a driver-core API invoked only from subsystem initialization running on the local machine; the unprivileged trigger is a local `socket(AF_NETLINK, SOCK_RAW, NETLINK_ISCSI)` syscall that forces module autoload. No remote peer, network packet, or physical device is involved.\nAC:L - The attacker can drive the system into memory pressure and then repeatedly force `scsi_transport_iscsi` autoload, because a failed module init leaves the netlink protocol unregistered so the request_module can be replayed without limit until an allocation inside `bus_register()` fails. Nothing about the trigger depends on state outside the attacker\u0027s influence, and the two `kfree()` calls then execute back-to-back deterministically.\nPR:L - `netlink_create()` performs `request_module(\"net-pf-16-proto-8\")` with no capability check at all, so an ordinary unprivileged user reaches `iscsi_transport_init()` \u2192 `bus_register(\u0026iscsi_flashnode_bus)` with a single socket() call. No CAP_SYS_MODULE, no root, and no user-namespace trickery is needed for this path.\nUI:N - The attacker performs every step itself \u2014 create memory pressure, issue the socket() call that triggers autoload \u2014 with no victim action, mount, file open, or administrator involvement required.\nS:U - The corrupted object is a kernel slab allocation and the consequences stay entirely within the kernel\u0027s own security authority; no VM, hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - The double free makes the SLUB freelist self-referential so two later allocations of the same size class alias one address, giving type confusion between attacker-controlled and kernel objects and thus an arbitrary kernel-memory read primitive. Freed-object contents can be reclaimed and disclosed through the aliased structure.\nI:H - The same freelist aliasing lets an attacker-sprayed object overwrite the fields of an unrelated live kernel structure \u2014 including function pointers reachable from `struct subsys_private`-sized kmalloc objects \u2014 yielding an arbitrary write and control-flow hijack primitive, i.e. full local privilege escalation.\nA:H - Even without successful exploitation the double free corrupts the slab allocator and panics the machine; on kernels built with CONFIG_SLAB_FREELIST_HARDENED the `BUG_ON(object == fp)` in `set_freepointer()` fires immediately, and `bus_release()` additionally calls `lockdep_unregister_key()` on a never-registered key on the early error paths."
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CVE-2024-50183 (GCVE-0-2024-50183)
Vulnerability from cvelistv5
Published
2024-11-08 05:38
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: lpfc: Ensure DA_ID handling completion before deleting an NPIV instance
Deleting an NPIV instance requires all fabric ndlps to be released before
an NPIV's resources can be torn down. Failure to release fabric ndlps
beforehand opens kref imbalance race conditions. Fix by forcing the DA_ID
to complete synchronously with usage of wait_queue.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47706 (GCVE-0-2024-47706)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block, bfq: fix possible UAF for bfqq->bic with merge chain
1) initial state, three tasks:
Process 1 Process 2 Process 3
(BIC1) (BIC2) (BIC3)
| Λ | Λ | Λ
| | | | | |
V | V | V |
bfqq1 bfqq2 bfqq3
process ref: 1 1 1
2) bfqq1 merged to bfqq2:
Process 1 Process 2 Process 3
(BIC1) (BIC2) (BIC3)
| | | Λ
\--------------\| | |
V V |
bfqq1--------->bfqq2 bfqq3
process ref: 0 2 1
3) bfqq2 merged to bfqq3:
Process 1 Process 2 Process 3
(BIC1) (BIC2) (BIC3)
here -> Λ | |
\--------------\ \-------------\|
V V
bfqq1--------->bfqq2---------->bfqq3
process ref: 0 1 3
In this case, IO from Process 1 will get bfqq2 from BIC1 first, and then
get bfqq3 through merge chain, and finially handle IO by bfqq3.
Howerver, current code will think bfqq2 is owned by BIC1, like initial
state, and set bfqq2->bic to BIC1.
bfq_insert_request
-> by Process 1
bfqq = bfq_init_rq(rq)
bfqq = bfq_get_bfqq_handle_split
bfqq = bic_to_bfqq
-> get bfqq2 from BIC1
bfqq->ref++
rq->elv.priv[0] = bic
rq->elv.priv[1] = bfqq
if (bfqq_process_refs(bfqq) == 1)
bfqq->bic = bic
-> record BIC1 to bfqq2
__bfq_insert_request
new_bfqq = bfq_setup_cooperator
-> get bfqq3 from bfqq2->new_bfqq
bfqq_request_freed(bfqq)
new_bfqq->ref++
rq->elv.priv[1] = new_bfqq
-> handle IO by bfqq3
Fix the problem by checking bfqq is from merge chain fist. And this
might fix a following problem reported by our syzkaller(unreproducible):
==================================================================
BUG: KASAN: slab-use-after-free in bfq_do_early_stable_merge block/bfq-iosched.c:5692 [inline]
BUG: KASAN: slab-use-after-free in bfq_do_or_sched_stable_merge block/bfq-iosched.c:5805 [inline]
BUG: KASAN: slab-use-after-free in bfq_get_queue+0x25b0/0x2610 block/bfq-iosched.c:5889
Write of size 1 at addr ffff888123839eb8 by task kworker/0:1H/18595
CPU: 0 PID: 18595 Comm: kworker/0:1H Tainted: G L 6.6.0-07439-gba2303cacfda #6
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Workqueue: kblockd blk_mq_requeue_work
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x91/0xf0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:364 [inline]
print_report+0x10d/0x610 mm/kasan/report.c:475
kasan_report+0x8e/0xc0 mm/kasan/report.c:588
bfq_do_early_stable_merge block/bfq-iosched.c:5692 [inline]
bfq_do_or_sched_stable_merge block/bfq-iosched.c:5805 [inline]
bfq_get_queue+0x25b0/0x2610 block/bfq-iosched.c:5889
bfq_get_bfqq_handle_split+0x169/0x5d0 block/bfq-iosched.c:6757
bfq_init_rq block/bfq-iosched.c:6876 [inline]
bfq_insert_request block/bfq-iosched.c:6254 [inline]
bfq_insert_requests+0x1112/0x5cf0 block/bfq-iosched.c:6304
blk_mq_insert_request+0x290/0x8d0 block/blk-mq.c:2593
blk_mq_requeue_work+0x6bc/0xa70 block/blk-mq.c:1502
process_one_work kernel/workqueue.c:2627 [inline]
process_scheduled_works+0x432/0x13f0 kernel/workqueue.c:2700
worker_thread+0x6f2/0x1160 kernel/workqueue.c:2781
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:305
</TASK>
Allocated by task 20776:
kasan_save_stack+0x20/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
__kasan_slab_alloc+0x87/0x90 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook mm/slab.h:763 [inline]
slab_alloc_node mm/slub.c:3458 [inline]
kmem_cache_alloc_node+0x1a4/0x6f0 mm/slub.c:3503
ioc_create_icq block/blk-ioc.c:370 [inline]
---truncated---
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 36eca894832351feed9072d0f97eb06fc9482ca4 Version: 36eca894832351feed9072d0f97eb06fc9482ca4 Version: 36eca894832351feed9072d0f97eb06fc9482ca4 Version: 36eca894832351feed9072d0f97eb06fc9482ca4 Version: 36eca894832351feed9072d0f97eb06fc9482ca4 Version: 36eca894832351feed9072d0f97eb06fc9482ca4 Version: 36eca894832351feed9072d0f97eb06fc9482ca4 Version: 36eca894832351feed9072d0f97eb06fc9482ca4 Version: 36eca894832351feed9072d0f97eb06fc9482ca4 |
||
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{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock, bfq: fix possible UAF for bfqq-\u003ebic with merge chain\n\n1) initial state, three tasks:\n\n\t\tProcess 1 Process 2\tProcess 3\n\t\t (BIC1) (BIC2)\t\t (BIC3)\n\t\t | \u039b | \u039b\t\t | \u039b\n\t\t | | | |\t\t | |\n\t\t V | V |\t\t V |\n\t\t bfqq1 bfqq2\t\t bfqq3\nprocess ref:\t 1\t\t 1\t\t 1\n\n2) bfqq1 merged to bfqq2:\n\n\t\tProcess 1 Process 2\tProcess 3\n\t\t (BIC1) (BIC2)\t\t (BIC3)\n\t\t | |\t\t | \u039b\n\t\t \\--------------\\|\t\t | |\n\t\t V\t\t V |\n\t\t bfqq1---------\u003ebfqq2\t\t bfqq3\nprocess ref:\t 0\t\t 2\t\t 1\n\n3) bfqq2 merged to bfqq3:\n\n\t\tProcess 1 Process 2\tProcess 3\n\t\t (BIC1) (BIC2)\t\t (BIC3)\n\t here -\u003e \u039b |\t\t |\n\t\t \\--------------\\ \\-------------\\|\n\t\t V\t\t V\n\t\t bfqq1---------\u003ebfqq2----------\u003ebfqq3\nprocess ref:\t 0\t\t 1\t\t 3\n\nIn this case, IO from Process 1 will get bfqq2 from BIC1 first, and then\nget bfqq3 through merge chain, and finially handle IO by bfqq3.\nHowerver, current code will think bfqq2 is owned by BIC1, like initial\nstate, and set bfqq2-\u003ebic to BIC1.\n\nbfq_insert_request\n-\u003e by Process 1\n bfqq = bfq_init_rq(rq)\n bfqq = bfq_get_bfqq_handle_split\n bfqq = bic_to_bfqq\n -\u003e get bfqq2 from BIC1\n bfqq-\u003eref++\n rq-\u003eelv.priv[0] = bic\n rq-\u003eelv.priv[1] = bfqq\n if (bfqq_process_refs(bfqq) == 1)\n bfqq-\u003ebic = bic\n -\u003e record BIC1 to bfqq2\n\n __bfq_insert_request\n new_bfqq = bfq_setup_cooperator\n -\u003e get bfqq3 from bfqq2-\u003enew_bfqq\n bfqq_request_freed(bfqq)\n new_bfqq-\u003eref++\n rq-\u003eelv.priv[1] = new_bfqq\n -\u003e handle IO by bfqq3\n\nFix the problem by checking bfqq is from merge chain fist. And this\nmight fix a following problem reported by our syzkaller(unreproducible):\n\n==================================================================\nBUG: KASAN: slab-use-after-free in bfq_do_early_stable_merge block/bfq-iosched.c:5692 [inline]\nBUG: KASAN: slab-use-after-free in bfq_do_or_sched_stable_merge block/bfq-iosched.c:5805 [inline]\nBUG: KASAN: slab-use-after-free in bfq_get_queue+0x25b0/0x2610 block/bfq-iosched.c:5889\nWrite of size 1 at addr ffff888123839eb8 by task kworker/0:1H/18595\n\nCPU: 0 PID: 18595 Comm: kworker/0:1H Tainted: G L 6.6.0-07439-gba2303cacfda #6\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\nWorkqueue: kblockd blk_mq_requeue_work\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x91/0xf0 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:364 [inline]\n print_report+0x10d/0x610 mm/kasan/report.c:475\n kasan_report+0x8e/0xc0 mm/kasan/report.c:588\n bfq_do_early_stable_merge block/bfq-iosched.c:5692 [inline]\n bfq_do_or_sched_stable_merge block/bfq-iosched.c:5805 [inline]\n bfq_get_queue+0x25b0/0x2610 block/bfq-iosched.c:5889\n bfq_get_bfqq_handle_split+0x169/0x5d0 block/bfq-iosched.c:6757\n bfq_init_rq block/bfq-iosched.c:6876 [inline]\n bfq_insert_request block/bfq-iosched.c:6254 [inline]\n bfq_insert_requests+0x1112/0x5cf0 block/bfq-iosched.c:6304\n blk_mq_insert_request+0x290/0x8d0 block/blk-mq.c:2593\n blk_mq_requeue_work+0x6bc/0xa70 block/blk-mq.c:1502\n process_one_work kernel/workqueue.c:2627 [inline]\n process_scheduled_works+0x432/0x13f0 kernel/workqueue.c:2700\n worker_thread+0x6f2/0x1160 kernel/workqueue.c:2781\n kthread+0x33c/0x440 kernel/kthread.c:388\n ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:305\n \u003c/TASK\u003e\n\nAllocated by task 20776:\n kasan_save_stack+0x20/0x40 mm/kasan/common.c:45\n kasan_set_track+0x25/0x30 mm/kasan/common.c:52\n __kasan_slab_alloc+0x87/0x90 mm/kasan/common.c:328\n kasan_slab_alloc include/linux/kasan.h:188 [inline]\n slab_post_alloc_hook mm/slab.h:763 [inline]\n slab_alloc_node mm/slub.c:3458 [inline]\n kmem_cache_alloc_node+0x1a4/0x6f0 mm/slub.c:3503\n ioc_create_icq block/blk-ioc.c:370 [inline]\n---truncated---"
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"lang": "en",
"value": "AV:L - The bug is in the BFQ I/O scheduler and is reached through ordinary block I/O submission (read/write/fsync on a device using the bfq elevator), which requires local access to the system. There is no network-facing path to bfq queue merging.\nAC:L - The attacker controls every precondition \u2014 it forks the cooperating processes that build the bfqq merge chain, drives the sync I/O pattern that triggers early/stable merging, and chooses when to exit a process to free its bfq_io_cq \u2014 so the dangling bfqq-\u003ebic can be created and dereferenced deterministically, and the freed slab object is refilled from the same cache by simply spawning more I/O tasks.\nPR:L - Only an unprivileged local user account is needed; no capability, namespace trick, or admin right is checked on the bfq_prepare_request/bfq_insert_request path \u2014 issuing I/O to any file on a bfq-managed device suffices.\nUI:N - The attacker\u0027s own processes generate all the I/O and the process exit that frees the bfq_io_cq; no action by any other user is required.\nS:U - The corruption is confined to kernel heap objects managed by the block layer within the same security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - The stale bfqq-\u003ebic is read back through bfq_bfqq_resume_state()/bic_to_bfqq(), pulling bfq_queue pointers and saved state out of a freed 1360-byte object the attacker can reclaim and control, giving an information-disclosure/arbitrary-read primitive on kernel memory.\nI:H - bfq_do_early_stable_merge() and bfq_bfqq_save_state() perform writes into the freed bfq_io_cq (the KASAN slab-use-after-free write in the report), and the pointers read back out are dereferenced as live bfq_queues, which is exploitable for heap corruption and control-flow hijack.\nA:H - The use-after-free reliably corrupts kernel heap state and causes oops/panic (the reported KASAN slab-use-after-free in bfq_get_queue from a kblockd worker), crashing the system."
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CVE-2024-50139 (GCVE-0-2024-50139)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: arm64: Fix shift-out-of-bounds bug
Fix a shift-out-of-bounds bug reported by UBSAN when running
VM with MTE enabled host kernel.
UBSAN: shift-out-of-bounds in arch/arm64/kvm/sys_regs.c:1988:14
shift exponent 33 is too large for 32-bit type 'int'
CPU: 26 UID: 0 PID: 7629 Comm: qemu-kvm Not tainted 6.12.0-rc2 #34
Hardware name: IEI NF5280R7/Mitchell MB, BIOS 00.00. 2024-10-12 09:28:54 10/14/2024
Call trace:
dump_backtrace+0xa0/0x128
show_stack+0x20/0x38
dump_stack_lvl+0x74/0x90
dump_stack+0x18/0x28
__ubsan_handle_shift_out_of_bounds+0xf8/0x1e0
reset_clidr+0x10c/0x1c8
kvm_reset_sys_regs+0x50/0x1c8
kvm_reset_vcpu+0xec/0x2b0
__kvm_vcpu_set_target+0x84/0x158
kvm_vcpu_set_target+0x138/0x168
kvm_arch_vcpu_ioctl_vcpu_init+0x40/0x2b0
kvm_arch_vcpu_ioctl+0x28c/0x4b8
kvm_vcpu_ioctl+0x4bc/0x7a8
__arm64_sys_ioctl+0xb4/0x100
invoke_syscall+0x70/0x100
el0_svc_common.constprop.0+0x48/0xf0
do_el0_svc+0x24/0x38
el0_svc+0x3c/0x158
el0t_64_sync_handler+0x120/0x130
el0t_64_sync+0x194/0x198
References
Impacted products
{
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"confidentialityImpact": "NONE",
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"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"content": {
"id": "CVE-2024-50139",
"options": [
{
"Exploitation": "none"
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{
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"role": "CISA Coordinator",
"timestamp": "2025-10-01T20:21:13.947802Z",
"version": "2.0.3"
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Fix shift-out-of-bounds bug\n\nFix a shift-out-of-bounds bug reported by UBSAN when running\nVM with MTE enabled host kernel.\n\nUBSAN: shift-out-of-bounds in arch/arm64/kvm/sys_regs.c:1988:14\nshift exponent 33 is too large for 32-bit type \u0027int\u0027\nCPU: 26 UID: 0 PID: 7629 Comm: qemu-kvm Not tainted 6.12.0-rc2 #34\nHardware name: IEI NF5280R7/Mitchell MB, BIOS 00.00. 2024-10-12 09:28:54 10/14/2024\nCall trace:\n dump_backtrace+0xa0/0x128\n show_stack+0x20/0x38\n dump_stack_lvl+0x74/0x90\n dump_stack+0x18/0x28\n __ubsan_handle_shift_out_of_bounds+0xf8/0x1e0\n reset_clidr+0x10c/0x1c8\n kvm_reset_sys_regs+0x50/0x1c8\n kvm_reset_vcpu+0xec/0x2b0\n __kvm_vcpu_set_target+0x84/0x158\n kvm_vcpu_set_target+0x138/0x168\n kvm_arch_vcpu_ioctl_vcpu_init+0x40/0x2b0\n kvm_arch_vcpu_ioctl+0x28c/0x4b8\n kvm_vcpu_ioctl+0x4bc/0x7a8\n __arm64_sys_ioctl+0xb4/0x100\n invoke_syscall+0x70/0x100\n el0_svc_common.constprop.0+0x48/0xf0\n do_el0_svc+0x24/0x38\n el0_svc+0x3c/0x158\n el0t_64_sync_handler+0x120/0x130\n el0t_64_sync+0x194/0x198"
}
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"version": "3.1"
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{
"lang": "en",
"value": "AV:L - The vulnerable code is reached through `ioctl(KVM_ARM_VCPU_INIT)` on a local `/dev/kvm` vCPU file descriptor, or from a local VM guest via a PSCI CPU_ON SMC that queues `KVM_REQ_VCPU_RESET`. No network protocol is involved on either path.\nAC:L - The out-of-bounds shift is fully deterministic \u2014 no race, no memory-layout dependency, no timing window; the attacker simply enables `KVM_CAP_ARM_MTE` and initializes a vCPU, and the shift executes unconditionally under `kvm_has_mte()`.\nPR:L - No capability check exists anywhere along the path \u2014 only an open `/dev/kvm` descriptor, which unprivileged members of the `kvm` group hold on standard distributions, or control of a guest for the PSCI path. Not PR:N, since some local foothold is required.\nUI:N - Triggering requires only the attacker\u0027s own ioctl sequence or an SMC issued from inside a VM they already control; no action by any other user or administrator is needed.\nS:C - The defect crosses the host/guest security boundary in both directions \u2014 the host hypervisor writes architecturally-invalid CPU state into the guest, and via the guest-reachable PSCI `CPU_ON` path a VM-confined attacker drives a UBSAN violation in host kernel context, which under `CONFIG_UBSAN_TRAP` or `panic_on_warn` takes down the host and every co-resident VM.\nC:L - There is no out-of-bounds read or memory disclosure primitive, but the UBSAN report and the `die()`/oops path dump host kernel addresses and a full backtrace to the kernel log, giving a bounded kernel-pointer leak that undermines KASLR for a locally-triggering attacker.\nI:L - The hypervisor stores a corrupted `CLIDR_EL1` with a reserved `Ctype` encoding and missing MTE `Ttypen` fields into guest-visible CPU state, so protected data across the boundary is modified \u2014 but the written value is fixed and not attacker-controlled, and there is no write primitive or control-flow hijack.\nA:H - `ubsan_epilogue()` calls `check_panic_on_warn(\"UBSAN\")`, panicking the host on the widely deployed `panic_on_warn=1` setting, and `CONFIG_UBSAN_TRAP=y` turns the shift into a BRK handled by `die()` in kernel context while `kvm-\u003earch.config_lock` is held \u2014 a host kernel crash that destroys all running guests."
}
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}
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CVE-2024-50075 (GCVE-0-2024-50075)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
xhci: tegra: fix checked USB2 port number
If USB virtualizatoin is enabled, USB2 ports are shared between all
Virtual Functions. The USB2 port number owned by an USB2 root hub in
a Virtual Function may be less than total USB2 phy number supported
by the Tegra XUSB controller.
Using total USB2 phy number as port number to check all PORTSC values
would cause invalid memory access.
[ 116.923438] Unable to handle kernel paging request at virtual address 006c622f7665642f
...
[ 117.213640] Call trace:
[ 117.216783] tegra_xusb_enter_elpg+0x23c/0x658
[ 117.222021] tegra_xusb_runtime_suspend+0x40/0x68
[ 117.227260] pm_generic_runtime_suspend+0x30/0x50
[ 117.232847] __rpm_callback+0x84/0x3c0
[ 117.237038] rpm_suspend+0x2dc/0x740
[ 117.241229] pm_runtime_work+0xa0/0xb8
[ 117.245769] process_scheduled_works+0x24c/0x478
[ 117.251007] worker_thread+0x23c/0x328
[ 117.255547] kthread+0x104/0x1b0
[ 117.259389] ret_from_fork+0x10/0x20
[ 117.263582] Code: 54000222 f9461ae8 f8747908 b4ffff48 (f9400100)
References
Impacted products
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CVE-2024-50192 (GCVE-0-2024-50192)
Vulnerability from cvelistv5
Published
2024-11-08 05:54
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
irqchip/gic-v4: Don't allow a VMOVP on a dying VPE
Kunkun Jiang reported that there is a small window of opportunity for
userspace to force a change of affinity for a VPE while the VPE has already
been unmapped, but the corresponding doorbell interrupt still visible in
/proc/irq/.
Plug the race by checking the value of vmapp_count, which tracks whether
the VPE is mapped ot not, and returning an error in this case.
This involves making vmapp_count common to both GICv4.1 and its v4.0
ancestor.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 64edfaa9a2342a3ce34f8cb982c2c2df84db4de3 Version: 64edfaa9a2342a3ce34f8cb982c2c2df84db4de3 Version: 64edfaa9a2342a3ce34f8cb982c2c2df84db4de3 Version: 64edfaa9a2342a3ce34f8cb982c2c2df84db4de3 Version: 64edfaa9a2342a3ce34f8cb982c2c2df84db4de3 Version: 64edfaa9a2342a3ce34f8cb982c2c2df84db4de3 |
||
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CVE-2024-26886 (GCVE-0-2024-26886)
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2026-06-01 16:04
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: af_bluetooth: Fix deadlock
Attemting to do sock_lock on .recvmsg may cause a deadlock as shown
bellow, so instead of using sock_sock this uses sk_receive_queue.lock
on bt_sock_ioctl to avoid the UAF:
INFO: task kworker/u9:1:121 blocked for more than 30 seconds.
Not tainted 6.7.6-lemon #183
Workqueue: hci0 hci_rx_work
Call Trace:
<TASK>
__schedule+0x37d/0xa00
schedule+0x32/0xe0
__lock_sock+0x68/0xa0
? __pfx_autoremove_wake_function+0x10/0x10
lock_sock_nested+0x43/0x50
l2cap_sock_recv_cb+0x21/0xa0
l2cap_recv_frame+0x55b/0x30a0
? psi_task_switch+0xeb/0x270
? finish_task_switch.isra.0+0x93/0x2a0
hci_rx_work+0x33a/0x3f0
process_one_work+0x13a/0x2f0
worker_thread+0x2f0/0x410
? __pfx_worker_thread+0x10/0x10
kthread+0xe0/0x110
? __pfx_kthread+0x10/0x10
ret_from_fork+0x2c/0x50
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1b/0x30
</TASK>
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2b16d960c79abc397f102c3d23d30005b68cb036 Version: 1d576c3a5af850bf11fbd103f9ba11aa6d6061fb Version: 2e07e8348ea454615e268222ae3fc240421be768 Version: 2e07e8348ea454615e268222ae3fc240421be768 Version: 2e07e8348ea454615e268222ae3fc240421be768 Version: db1b14eec8c61a20374de9f9c2ddc6c9406a8c42 Version: 37f71e2c9f515834841826f4eb68ec33cfb2a1ff Version: 5.15.146 ≤ Version: 6.6.9 ≤ Version: 5.10.206 ≤ Version: 6.1.70 ≤ |
||
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CVE-2024-49945 (GCVE-0-2024-49945)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/ncsi: Disable the ncsi work before freeing the associated structure
The work function can run after the ncsi device is freed, resulting
in use-after-free bugs or kernel panic.
References
Impacted products
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CVE-2024-50184 (GCVE-0-2024-50184)
Vulnerability from cvelistv5
Published
2024-11-08 05:38
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
virtio_pmem: Check device status before requesting flush
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host ack forever in virtio_pmem_flush(), causing the system to hang.
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early if the device is not activated.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 6e84200c0a2994b991259d19450eee561029bf70 Version: 6e84200c0a2994b991259d19450eee561029bf70 Version: 6e84200c0a2994b991259d19450eee561029bf70 Version: 6e84200c0a2994b991259d19450eee561029bf70 Version: 6e84200c0a2994b991259d19450eee561029bf70 Version: 6e84200c0a2994b991259d19450eee561029bf70 Version: 6e84200c0a2994b991259d19450eee561029bf70 |
||
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CVE-2024-50125 (GCVE-0-2024-50125)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-08-19 16:27
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: SCO: Fix UAF on sco_sock_timeout
conn->sk maybe have been unlinked/freed while waiting for sco_conn_lock
so this checks if the conn->sk is still valid by checking if it part of
sco_sk_list.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a1073aad497d0d071a71f61b721966a176d50c08 Version: ba316be1b6a00db7126ed9a39f9bee434a508043 Version: ba316be1b6a00db7126ed9a39f9bee434a508043 Version: ba316be1b6a00db7126ed9a39f9bee434a508043 Version: ba316be1b6a00db7126ed9a39f9bee434a508043 Version: ba316be1b6a00db7126ed9a39f9bee434a508043 Version: fea63ccd928c01573306983346588b26cffb5572 Version: 48669c81a65628ef234cbdd91b9395952c7c27fe Version: 37d7ae2b0578f2373674a755402ee722e96edc08 Version: ec1f74319bb35c1c90c25014ec0f6ea6c3ca2134 Version: b657bba82ff6a007d84fd076bd73b11131726a2b Version: 5.10.67 ≤ Version: 4.14.263 ≤ Version: 4.19.207 ≤ Version: 5.4.148 ≤ Version: 5.13.19 ≤ Version: 5.14.6 ≤ |
||
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CVE-2024-46803 (GCVE-0-2024-46803)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Check debug trap enable before write dbg_ev_file
In interrupt context, write dbg_ev_file will be run by work queue. It
will cause write dbg_ev_file execution after debug_trap_disable, which
will cause NULL pointer access.
v2: cancel work "debug_event_workarea" before set dbg_ev_file as NULL.
References
Impacted products
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CVE-2024-50218 (GCVE-0-2024-50218)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: pass u64 to ocfs2_truncate_inline maybe overflow
Syzbot reported a kernel BUG in ocfs2_truncate_inline. There are two
reasons for this: first, the parameter value passed is greater than
ocfs2_max_inline_data_with_xattr, second, the start and end parameters of
ocfs2_truncate_inline are "unsigned int".
So, we need to add a sanity check for byte_start and byte_len right before
ocfs2_truncate_inline() in ocfs2_remove_inode_range(), if they are greater
than ocfs2_max_inline_data_with_xattr return -EINVAL.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1afc32b952335f665327a1a9001ba1b44bb76fd9 Version: 1afc32b952335f665327a1a9001ba1b44bb76fd9 Version: 1afc32b952335f665327a1a9001ba1b44bb76fd9 Version: 1afc32b952335f665327a1a9001ba1b44bb76fd9 Version: 1afc32b952335f665327a1a9001ba1b44bb76fd9 Version: 1afc32b952335f665327a1a9001ba1b44bb76fd9 Version: 1afc32b952335f665327a1a9001ba1b44bb76fd9 Version: 1afc32b952335f665327a1a9001ba1b44bb76fd9 |
||
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CVE-2023-52922 (GCVE-0-2023-52922)
Vulnerability from cvelistv5
Published
2024-11-28 15:09
Modified
2026-08-05 09:12
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
can: bcm: Fix UAF in bcm_proc_show()
BUG: KASAN: slab-use-after-free in bcm_proc_show+0x969/0xa80
Read of size 8 at addr ffff888155846230 by task cat/7862
CPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 #230
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0xd5/0x150
print_report+0xc1/0x5e0
kasan_report+0xba/0xf0
bcm_proc_show+0x969/0xa80
seq_read_iter+0x4f6/0x1260
seq_read+0x165/0x210
proc_reg_read+0x227/0x300
vfs_read+0x1d5/0x8d0
ksys_read+0x11e/0x240
do_syscall_64+0x35/0xb0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Allocated by task 7846:
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
__kasan_kmalloc+0x9e/0xa0
bcm_sendmsg+0x264b/0x44e0
sock_sendmsg+0xda/0x180
____sys_sendmsg+0x735/0x920
___sys_sendmsg+0x11d/0x1b0
__sys_sendmsg+0xfa/0x1d0
do_syscall_64+0x35/0xb0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Freed by task 7846:
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
kasan_save_free_info+0x27/0x40
____kasan_slab_free+0x161/0x1c0
slab_free_freelist_hook+0x119/0x220
__kmem_cache_free+0xb4/0x2e0
rcu_core+0x809/0x1bd0
bcm_op is freed before procfs entry be removed in bcm_release(),
this lead to bcm_proc_show() may read the freed bcm_op.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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| Linux | Linux |
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CVE-2024-35937 (GCVE-0-2024-35937)
Vulnerability from cvelistv5
Published
2024-05-19 10:10
Modified
2026-08-05 11:31
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: check A-MSDU format more carefully
If it looks like there's another subframe in the A-MSDU
but the header isn't fully there, we can end up reading
data out of bounds, only to discard later. Make this a
bit more careful and check if the subframe header can
even be present.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50061 (GCVE-0-2024-50061)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i3c: master: cdns: Fix use after free vulnerability in cdns_i3c_master Driver Due to Race Condition
In the cdns_i3c_master_probe function, &master->hj_work is bound with
cdns_i3c_master_hj. And cdns_i3c_master_interrupt can call
cnds_i3c_master_demux_ibis function to start the work.
If we remove the module which will call cdns_i3c_master_remove to
make cleanup, it will free master->base through i3c_master_unregister
while the work mentioned above will be used. The sequence of operations
that may lead to a UAF bug is as follows:
CPU0 CPU1
| cdns_i3c_master_hj
cdns_i3c_master_remove |
i3c_master_unregister(&master->base) |
device_unregister(&master->dev) |
device_release |
//free master->base |
| i3c_master_do_daa(&master->base)
| //use master->base
Fix it by ensuring that the work is canceled before proceeding with
the cleanup in cdns_i3c_master_remove.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50031 (GCVE-0-2024-50031)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/v3d: Stop the active perfmon before being destroyed
When running `kmscube` with one or more performance monitors enabled
via `GALLIUM_HUD`, the following kernel panic can occur:
[ 55.008324] Unable to handle kernel paging request at virtual address 00000000052004a4
[ 55.008368] Mem abort info:
[ 55.008377] ESR = 0x0000000096000005
[ 55.008387] EC = 0x25: DABT (current EL), IL = 32 bits
[ 55.008402] SET = 0, FnV = 0
[ 55.008412] EA = 0, S1PTW = 0
[ 55.008421] FSC = 0x05: level 1 translation fault
[ 55.008434] Data abort info:
[ 55.008442] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
[ 55.008455] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 55.008467] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 55.008481] user pgtable: 4k pages, 39-bit VAs, pgdp=00000001046c6000
[ 55.008497] [00000000052004a4] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000
[ 55.008525] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
[ 55.008542] Modules linked in: rfcomm [...] vc4 v3d snd_soc_hdmi_codec drm_display_helper
gpu_sched drm_shmem_helper cec drm_dma_helper drm_kms_helper i2c_brcmstb
drm drm_panel_orientation_quirks snd_soc_core snd_compress snd_pcm_dmaengine snd_pcm snd_timer snd backlight
[ 55.008799] CPU: 2 PID: 166 Comm: v3d_bin Tainted: G C 6.6.47+rpt-rpi-v8 #1 Debian 1:6.6.47-1+rpt1
[ 55.008824] Hardware name: Raspberry Pi 4 Model B Rev 1.5 (DT)
[ 55.008838] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 55.008855] pc : __mutex_lock.constprop.0+0x90/0x608
[ 55.008879] lr : __mutex_lock.constprop.0+0x58/0x608
[ 55.008895] sp : ffffffc080673cf0
[ 55.008904] x29: ffffffc080673cf0 x28: 0000000000000000 x27: ffffff8106188a28
[ 55.008926] x26: ffffff8101e78040 x25: ffffff8101baa6c0 x24: ffffffd9d989f148
[ 55.008947] x23: ffffffda1c2a4008 x22: 0000000000000002 x21: ffffffc080673d38
[ 55.008968] x20: ffffff8101238000 x19: ffffff8104f83188 x18: 0000000000000000
[ 55.008988] x17: 0000000000000000 x16: ffffffda1bd04d18 x15: 00000055bb08bc90
[ 55.009715] x14: 0000000000000000 x13: 0000000000000000 x12: ffffffda1bd4cbb0
[ 55.010433] x11: 00000000fa83b2da x10: 0000000000001a40 x9 : ffffffda1bd04d04
[ 55.011162] x8 : ffffff8102097b80 x7 : 0000000000000000 x6 : 00000000030a5857
[ 55.011880] x5 : 00ffffffffffffff x4 : 0300000005200470 x3 : 0300000005200470
[ 55.012598] x2 : ffffff8101238000 x1 : 0000000000000021 x0 : 0300000005200470
[ 55.013292] Call trace:
[ 55.013959] __mutex_lock.constprop.0+0x90/0x608
[ 55.014646] __mutex_lock_slowpath+0x1c/0x30
[ 55.015317] mutex_lock+0x50/0x68
[ 55.015961] v3d_perfmon_stop+0x40/0xe0 [v3d]
[ 55.016627] v3d_bin_job_run+0x10c/0x2d8 [v3d]
[ 55.017282] drm_sched_main+0x178/0x3f8 [gpu_sched]
[ 55.017921] kthread+0x11c/0x128
[ 55.018554] ret_from_fork+0x10/0x20
[ 55.019168] Code: f9400260 f1001c1f 54001ea9 927df000 (b9403401)
[ 55.019776] ---[ end trace 0000000000000000 ]---
[ 55.020411] note: v3d_bin[166] exited with preempt_count 1
This issue arises because, upon closing the file descriptor (which happens
when we interrupt `kmscube`), the active performance monitor is not
stopped. Although all perfmons are destroyed in `v3d_perfmon_close_file()`,
the active performance monitor's pointer (`v3d->active_perfmon`) is still
retained.
If `kmscube` is run again, the driver will attempt to stop the active
performance monitor using the stale pointer in `v3d->active_perfmon`.
However, this pointer is no longer valid because the previous process has
already terminated, and all performance monitors associated with it have
been destroyed and freed.
To fix this, when the active performance monitor belongs to a given
process, explicitly stop it before destroying and freeing it.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/v3d: Stop the active perfmon before being destroyed\n\nWhen running `kmscube` with one or more performance monitors enabled\nvia `GALLIUM_HUD`, the following kernel panic can occur:\n\n[ 55.008324] Unable to handle kernel paging request at virtual address 00000000052004a4\n[ 55.008368] Mem abort info:\n[ 55.008377] ESR = 0x0000000096000005\n[ 55.008387] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 55.008402] SET = 0, FnV = 0\n[ 55.008412] EA = 0, S1PTW = 0\n[ 55.008421] FSC = 0x05: level 1 translation fault\n[ 55.008434] Data abort info:\n[ 55.008442] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000\n[ 55.008455] CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n[ 55.008467] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n[ 55.008481] user pgtable: 4k pages, 39-bit VAs, pgdp=00000001046c6000\n[ 55.008497] [00000000052004a4] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000\n[ 55.008525] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP\n[ 55.008542] Modules linked in: rfcomm [...] vc4 v3d snd_soc_hdmi_codec drm_display_helper\ngpu_sched drm_shmem_helper cec drm_dma_helper drm_kms_helper i2c_brcmstb\ndrm drm_panel_orientation_quirks snd_soc_core snd_compress snd_pcm_dmaengine snd_pcm snd_timer snd backlight\n[ 55.008799] CPU: 2 PID: 166 Comm: v3d_bin Tainted: G C 6.6.47+rpt-rpi-v8 #1 Debian 1:6.6.47-1+rpt1\n[ 55.008824] Hardware name: Raspberry Pi 4 Model B Rev 1.5 (DT)\n[ 55.008838] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 55.008855] pc : __mutex_lock.constprop.0+0x90/0x608\n[ 55.008879] lr : __mutex_lock.constprop.0+0x58/0x608\n[ 55.008895] sp : ffffffc080673cf0\n[ 55.008904] x29: ffffffc080673cf0 x28: 0000000000000000 x27: ffffff8106188a28\n[ 55.008926] x26: ffffff8101e78040 x25: ffffff8101baa6c0 x24: ffffffd9d989f148\n[ 55.008947] x23: ffffffda1c2a4008 x22: 0000000000000002 x21: ffffffc080673d38\n[ 55.008968] x20: ffffff8101238000 x19: ffffff8104f83188 x18: 0000000000000000\n[ 55.008988] x17: 0000000000000000 x16: ffffffda1bd04d18 x15: 00000055bb08bc90\n[ 55.009715] x14: 0000000000000000 x13: 0000000000000000 x12: ffffffda1bd4cbb0\n[ 55.010433] x11: 00000000fa83b2da x10: 0000000000001a40 x9 : ffffffda1bd04d04\n[ 55.011162] x8 : ffffff8102097b80 x7 : 0000000000000000 x6 : 00000000030a5857\n[ 55.011880] x5 : 00ffffffffffffff x4 : 0300000005200470 x3 : 0300000005200470\n[ 55.012598] x2 : ffffff8101238000 x1 : 0000000000000021 x0 : 0300000005200470\n[ 55.013292] Call trace:\n[ 55.013959] __mutex_lock.constprop.0+0x90/0x608\n[ 55.014646] __mutex_lock_slowpath+0x1c/0x30\n[ 55.015317] mutex_lock+0x50/0x68\n[ 55.015961] v3d_perfmon_stop+0x40/0xe0 [v3d]\n[ 55.016627] v3d_bin_job_run+0x10c/0x2d8 [v3d]\n[ 55.017282] drm_sched_main+0x178/0x3f8 [gpu_sched]\n[ 55.017921] kthread+0x11c/0x128\n[ 55.018554] ret_from_fork+0x10/0x20\n[ 55.019168] Code: f9400260 f1001c1f 54001ea9 927df000 (b9403401)\n[ 55.019776] ---[ end trace 0000000000000000 ]---\n[ 55.020411] note: v3d_bin[166] exited with preempt_count 1\n\nThis issue arises because, upon closing the file descriptor (which happens\nwhen we interrupt `kmscube`), the active performance monitor is not\nstopped. Although all perfmons are destroyed in `v3d_perfmon_close_file()`,\nthe active performance monitor\u0027s pointer (`v3d-\u003eactive_perfmon`) is still\nretained.\n\nIf `kmscube` is run again, the driver will attempt to stop the active\nperformance monitor using the stale pointer in `v3d-\u003eactive_perfmon`.\nHowever, this pointer is no longer valid because the previous process has\nalready terminated, and all performance monitors associated with it have\nbeen destroyed and freed.\n\nTo fix this, when the active performance monitor belongs to a given\nprocess, explicitly stop it before destroying and freeing it."
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"value": "AV:L - The vulnerability is reached exclusively through ioctls on the local DRM render node /dev/dri/renderD128 (V3D_PERFMON_CREATE plus V3D_SUBMIT_CL/CSD), requiring a local file descriptor on the device. There is no network or remote-peer input path, and the GPU is an integrated SoC block rather than a pluggable device.\nAC:L - This is a deterministic stale-pointer bug, not a race \u2014 the attacker controls both the free (close the fd) and the use (submit the next job), with an unbounded window in between to heap-spray the reclaimed chunk. Upstream reproduces it simply by running kmscube twice, and the attacker can even select the target kmalloc cache by choosing ncounters.\nPR:L - All required ioctls are DRM_RENDER_ALLOW and DRM_AUTH is automatically satisfied for render clients (drm_ioctl.c:550), so no capability, DRM master, or authentication is needed \u2014 only an open fd on the render node, which ordinary logged-in users and GPU-enabled containers routinely have. No root or init-namespace privilege is involved.\nUI:N - The attacker performs every step itself: create perfmon, submit a job, close the fd, spray the heap, then submit another job to trigger the use-after-free. No victim action is required, though the global stale pointer will also fire on any other user\u0027s GPU submission.\nS:U - The corruption is confined to kernel heap memory within the same security authority; no VM, IOMMU, or hypervisor boundary is crossed. It does cross a process boundary (one user\u0027s stale pointer corrupts memory during another user\u0027s job), but that remains a standard kernel privilege-escalation scope.\nC:H - The use-after-free reads freed memory (ncounters, mutex state) that the attacker can populate via heap spray, and the resulting heap corruption is readily leveraged into arbitrary kernel memory disclosure by tampering with length/pointer fields of adjacent reclaimed objects such as msg_msg or pipe_buffer.\nI:H - v3d_perfmon_stop() performs a read-modify-write loop (perfmon-\u003evalues[i] += ...) into the freed/reclaimed object with the iteration count taken from that same attacker-controlled memory, writing u64s up to roughly 2 KB past the allocation into neighbouring slab objects. Combined with mutex_lock() on attacker-controlled memory, this yields a heap-corruption primitive suitable for control-flow hijacking.\nA:H - The upstream bug report is a fatal kernel oops (level-1 translation fault in __mutex_lock) in the v3d_bin scheduler kthread, which exits with preempt_count 1 leaving the mutex held and the GPU scheduler wedged. Any unprivileged user can trigger this crash repeatedly and reliably."
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CVE-2022-49012 (GCVE-0-2022-49012)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
afs: Fix server->active leak in afs_put_server
The atomic_read was accidentally replaced with atomic_inc_return,
which prevents the server from getting cleaned up and causes rmmod
to hang with a warning:
Can't purge s=00000001
References
Impacted products
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CVE-2024-49996 (GCVE-0-2024-49996)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix buffer overflow when parsing NFS reparse points
ReparseDataLength is sum of the InodeType size and DataBuffer size.
So to get DataBuffer size it is needed to subtract InodeType's size from
ReparseDataLength.
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at position after the end of the buffer because it does not subtract
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variable len.
Member InodeType is present only when reparse buffer is large enough. Check
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memory access.
Major and minor rdev values are present also only when reparse buffer is
large enough. Check for reparse buffer size before calling reparse_mkdev().
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: d5ecebc4900df7f6e8dff0717574668885110553 Version: d5ecebc4900df7f6e8dff0717574668885110553 Version: d5ecebc4900df7f6e8dff0717574668885110553 Version: d5ecebc4900df7f6e8dff0717574668885110553 Version: d5ecebc4900df7f6e8dff0717574668885110553 Version: d5ecebc4900df7f6e8dff0717574668885110553 Version: d5ecebc4900df7f6e8dff0717574668885110553 Version: d5ecebc4900df7f6e8dff0717574668885110553 |
||
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CVE-2024-47751 (GCVE-0-2024-47751)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
PCI: kirin: Fix buffer overflow in kirin_pcie_parse_port()
Within kirin_pcie_parse_port(), the pcie->num_slots is compared to
pcie->gpio_id_reset size (MAX_PCI_SLOTS) which is correct and would lead
to an overflow.
Thus, fix condition to pcie->num_slots + 1 >= MAX_PCI_SLOTS and move
pcie->num_slots increment below the if-statement to avoid out-of-bounds
array access.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
[kwilczynski: commit log]
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-46845 (GCVE-0-2024-46845)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tracing/timerlat: Only clear timer if a kthread exists
The timerlat tracer can use user space threads to check for osnoise and
timer latency. If the program using this is killed via a SIGTERM, the
threads are shutdown one at a time and another tracing instance can start
up resetting the threads before they are fully closed. That causes the
hrtimer assigned to the kthread to be shutdown and freed twice when the
dying thread finally closes the file descriptors, causing a use-after-free
bug.
Only cancel the hrtimer if the associated thread is still around. Also add
the interface_lock around the resetting of the tlat_var->kthread.
Note, this is just a quick fix that can be backported to stable. A real
fix is to have a better synchronization between the shutdown of old
threads and the starting of new ones.
References
Impacted products
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CVE-2024-50188 (GCVE-0-2024-50188)
Vulnerability from cvelistv5
Published
2024-11-08 05:38
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: phy: dp83869: fix memory corruption when enabling fiber
When configuring the fiber port, the DP83869 PHY driver incorrectly
calls linkmode_set_bit() with a bit mask (1 << 10) rather than a bit
number (10). This corrupts some other memory location -- in case of
arm64 the priv pointer in the same structure.
Since the advertising flags are updated from supported at the end of the
function the incorrect line isn't needed at all and can be removed.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a29de52ba2a156873505d8b8cef44e69925b8114 Version: a29de52ba2a156873505d8b8cef44e69925b8114 Version: a29de52ba2a156873505d8b8cef44e69925b8114 Version: a29de52ba2a156873505d8b8cef44e69925b8114 Version: a29de52ba2a156873505d8b8cef44e69925b8114 Version: a29de52ba2a156873505d8b8cef44e69925b8114 |
||
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CVE-2024-46821 (GCVE-0-2024-46821)
Vulnerability from cvelistv5
Published
2024-09-27 12:36
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/pm: Fix negative array index read
Avoid using the negative values
for clk_idex as an index into an array pptable->DpmDescriptor.
V2: fix clk_index return check (Tim Huang)
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1a195ed5f197fcfd1d99ceedd469857fcd7d8c4f Version: 1a195ed5f197fcfd1d99ceedd469857fcd7d8c4f Version: 1a195ed5f197fcfd1d99ceedd469857fcd7d8c4f Version: 1a195ed5f197fcfd1d99ceedd469857fcd7d8c4f Version: 1a195ed5f197fcfd1d99ceedd469857fcd7d8c4f Version: 1a195ed5f197fcfd1d99ceedd469857fcd7d8c4f |
||
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CVE-2024-50102 (GCVE-0-2024-50102)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
x86: fix user address masking non-canonical speculation issue
It turns out that AMD has a "Meltdown Lite(tm)" issue with non-canonical
accesses in kernel space. And so using just the high bit to decide
whether an access is in user space or kernel space ends up with the good
old "leak speculative data" if you have the right gadget using the
result:
CVE-2020-12965 “Transient Execution of Non-Canonical Accesses“
Now, the kernel surrounds the access with a STAC/CLAC pair, and those
instructions end up serializing execution on older Zen architectures,
which closes the speculation window.
But that was true only up until Zen 5, which renames the AC bit [1].
That improves performance of STAC/CLAC a lot, but also means that the
speculation window is now open.
Note that this affects not just the new address masking, but also the
regular valid_user_address() check used by access_ok(), and the asm
version of the sign bit check in the get_user() helpers.
It does not affect put_user() or clear_user() variants, since there's no
speculative result to be used in a gadget for those operations.
References
Impacted products
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CVE-2024-50095 (GCVE-0-2024-50095)
Vulnerability from cvelistv5
Published
2024-11-05 17:04
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/mad: Improve handling of timed out WRs of mad agent
Current timeout handler of mad agent acquires/releases mad_agent_priv
lock for every timed out WRs. This causes heavy locking contention
when higher no. of WRs are to be handled inside timeout handler.
This leads to softlockup with below trace in some use cases where
rdma-cm path is used to establish connection between peer nodes
Trace:
-----
BUG: soft lockup - CPU#4 stuck for 26s! [kworker/u128:3:19767]
CPU: 4 PID: 19767 Comm: kworker/u128:3 Kdump: loaded Tainted: G OE
------- --- 5.14.0-427.13.1.el9_4.x86_64 #1
Hardware name: Dell Inc. PowerEdge R740/01YM03, BIOS 2.4.8 11/26/2019
Workqueue: ib_mad1 timeout_sends [ib_core]
RIP: 0010:__do_softirq+0x78/0x2ac
RSP: 0018:ffffb253449e4f98 EFLAGS: 00000246
RAX: 00000000ffffffff RBX: 0000000000000000 RCX: 000000000000001f
RDX: 000000000000001d RSI: 000000003d1879ab RDI: fff363b66fd3a86b
RBP: ffffb253604cbcd8 R08: 0000009065635f3b R09: 0000000000000000
R10: 0000000000000040 R11: ffffb253449e4ff8 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000040
FS: 0000000000000000(0000) GS:ffff8caa1fc80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd9ec9db900 CR3: 0000000891934006 CR4: 00000000007706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<IRQ>
? show_trace_log_lvl+0x1c4/0x2df
? show_trace_log_lvl+0x1c4/0x2df
? __irq_exit_rcu+0xa1/0xc0
? watchdog_timer_fn+0x1b2/0x210
? __pfx_watchdog_timer_fn+0x10/0x10
? __hrtimer_run_queues+0x127/0x2c0
? hrtimer_interrupt+0xfc/0x210
? __sysvec_apic_timer_interrupt+0x5c/0x110
? sysvec_apic_timer_interrupt+0x37/0x90
? asm_sysvec_apic_timer_interrupt+0x16/0x20
? __do_softirq+0x78/0x2ac
? __do_softirq+0x60/0x2ac
__irq_exit_rcu+0xa1/0xc0
sysvec_call_function_single+0x72/0x90
</IRQ>
<TASK>
asm_sysvec_call_function_single+0x16/0x20
RIP: 0010:_raw_spin_unlock_irq+0x14/0x30
RSP: 0018:ffffb253604cbd88 EFLAGS: 00000247
RAX: 000000000001960d RBX: 0000000000000002 RCX: ffff8cad2a064800
RDX: 000000008020001b RSI: 0000000000000001 RDI: ffff8cad5d39f66c
RBP: ffff8cad5d39f600 R08: 0000000000000001 R09: 0000000000000000
R10: ffff8caa443e0c00 R11: ffffb253604cbcd8 R12: ffff8cacb8682538
R13: 0000000000000005 R14: ffffb253604cbd90 R15: ffff8cad5d39f66c
cm_process_send_error+0x122/0x1d0 [ib_cm]
timeout_sends+0x1dd/0x270 [ib_core]
process_one_work+0x1e2/0x3b0
? __pfx_worker_thread+0x10/0x10
worker_thread+0x50/0x3a0
? __pfx_worker_thread+0x10/0x10
kthread+0xdd/0x100
? __pfx_kthread+0x10/0x10
ret_from_fork+0x29/0x50
</TASK>
Simplified timeout handler by creating local list of timed out WRs
and invoke send handler post creating the list. The new method acquires/
releases lock once to fetch the list and hence helps to reduce locking
contetiong when processing higher no. of WRs
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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CVE-2023-52921 (GCVE-0-2023-52921)
Vulnerability from cvelistv5
Published
2024-11-19 01:26
Modified
2026-08-05 09:12
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: fix possible UAF in amdgpu_cs_pass1()
Since the gang_size check is outside of chunk parsing
loop, we need to reset i before we free the chunk data.
Suggested by Ye Zhang (@VAR10CK) of Baidu Security.
References
Impacted products
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CVE-2024-38589 (GCVE-0-2024-38589)
Vulnerability from cvelistv5
Published
2024-06-19 13:45
Modified
2026-05-12 11:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netrom: fix possible dead-lock in nr_rt_ioctl()
syzbot loves netrom, and found a possible deadlock in nr_rt_ioctl [1]
Make sure we always acquire nr_node_list_lock before nr_node_lock(nr_node)
[1]
WARNING: possible circular locking dependency detected
6.9.0-rc7-syzkaller-02147-g654de42f3fc6 #0 Not tainted
------------------------------------------------------
syz-executor350/5129 is trying to acquire lock:
ffff8880186e2070 (&nr_node->node_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
ffff8880186e2070 (&nr_node->node_lock){+...}-{2:2}, at: nr_node_lock include/net/netrom.h:152 [inline]
ffff8880186e2070 (&nr_node->node_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:464 [inline]
ffff8880186e2070 (&nr_node->node_lock){+...}-{2:2}, at: nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697
but task is already holding lock:
ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:462 [inline]
ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_rt_ioctl+0x10a/0x1090 net/netrom/nr_route.c:697
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (nr_node_list_lock){+...}-{2:2}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:356 [inline]
nr_remove_node net/netrom/nr_route.c:299 [inline]
nr_del_node+0x4b4/0x820 net/netrom/nr_route.c:355
nr_rt_ioctl+0xa95/0x1090 net/netrom/nr_route.c:683
sock_do_ioctl+0x158/0x460 net/socket.c:1222
sock_ioctl+0x629/0x8e0 net/socket.c:1341
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:904 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #0 (&nr_node->node_lock){+...}-{2:2}:
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869
__lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:356 [inline]
nr_node_lock include/net/netrom.h:152 [inline]
nr_dec_obs net/netrom/nr_route.c:464 [inline]
nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697
sock_do_ioctl+0x158/0x460 net/socket.c:1222
sock_ioctl+0x629/0x8e0 net/socket.c:1341
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:904 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(nr_node_list_lock);
lock(&nr_node->node_lock);
lock(nr_node_list_lock);
lock(&nr_node->node_lock);
*** DEADLOCK ***
1 lock held by syz-executor350/5129:
#0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
#0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:462 [inline]
#0: ffffffff8f70
---truncated---
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetrom: fix possible dead-lock in nr_rt_ioctl()\n\nsyzbot loves netrom, and found a possible deadlock in nr_rt_ioctl [1]\n\nMake sure we always acquire nr_node_list_lock before nr_node_lock(nr_node)\n\n[1]\nWARNING: possible circular locking dependency detected\n6.9.0-rc7-syzkaller-02147-g654de42f3fc6 #0 Not tainted\n------------------------------------------------------\nsyz-executor350/5129 is trying to acquire lock:\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: nr_node_lock include/net/netrom.h:152 [inline]\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:464 [inline]\n ffff8880186e2070 (\u0026nr_node-\u003enode_lock){+...}-{2:2}, at: nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697\n\nbut task is already holding lock:\n ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\n ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:462 [inline]\n ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_rt_ioctl+0x10a/0x1090 net/netrom/nr_route.c:697\n\nwhich lock already depends on the new lock.\n\nthe existing dependency chain (in reverse order) is:\n\n-\u003e #1 (nr_node_list_lock){+...}-{2:2}:\n lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754\n __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]\n _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178\n spin_lock_bh include/linux/spinlock.h:356 [inline]\n nr_remove_node net/netrom/nr_route.c:299 [inline]\n nr_del_node+0x4b4/0x820 net/netrom/nr_route.c:355\n nr_rt_ioctl+0xa95/0x1090 net/netrom/nr_route.c:683\n sock_do_ioctl+0x158/0x460 net/socket.c:1222\n sock_ioctl+0x629/0x8e0 net/socket.c:1341\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:904 [inline]\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\n-\u003e #0 (\u0026nr_node-\u003enode_lock){+...}-{2:2}:\n check_prev_add kernel/locking/lockdep.c:3134 [inline]\n check_prevs_add kernel/locking/lockdep.c:3253 [inline]\n validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869\n __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137\n lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754\n __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]\n _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178\n spin_lock_bh include/linux/spinlock.h:356 [inline]\n nr_node_lock include/net/netrom.h:152 [inline]\n nr_dec_obs net/netrom/nr_route.c:464 [inline]\n nr_rt_ioctl+0x1bb/0x1090 net/netrom/nr_route.c:697\n sock_do_ioctl+0x158/0x460 net/socket.c:1222\n sock_ioctl+0x629/0x8e0 net/socket.c:1341\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:904 [inline]\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nother info that might help us debug this:\n\n Possible unsafe locking scenario:\n\n CPU0 CPU1\n ---- ----\n lock(nr_node_list_lock);\n lock(\u0026nr_node-\u003enode_lock);\n lock(nr_node_list_lock);\n lock(\u0026nr_node-\u003enode_lock);\n\n *** DEADLOCK ***\n\n1 lock held by syz-executor350/5129:\n #0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]\n #0: ffffffff8f7053b8 (nr_node_list_lock){+...}-{2:2}, at: nr_dec_obs net/netrom/nr_route.c:462 [inline]\n #0: ffffffff8f70\n---truncated---"
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CVE-2023-2166 (GCVE-0-2023-2166)
Vulnerability from cvelistv5
Published
2023-04-19 00:00
Modified
2025-02-05 15:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A null pointer dereference issue was found in can protocol in net/can/af_can.c in the Linux before Linux. ml_priv may not be initialized in the receive path of CAN frames. A local user could use this flaw to crash the system or potentially cause a denial of service.
References
Impacted products
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CVE-2024-50002 (GCVE-0-2024-50002)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
static_call: Handle module init failure correctly in static_call_del_module()
Module insertion invokes static_call_add_module() to initialize the static
calls in a module. static_call_add_module() invokes __static_call_init(),
which allocates a struct static_call_mod to either encapsulate the built-in
static call sites of the associated key into it so further modules can be
added or to append the module to the module chain.
If that allocation fails the function returns with an error code and the
module core invokes static_call_del_module() to clean up eventually added
static_call_mod entries.
This works correctly, when all keys used by the module were converted over
to a module chain before the failure. If not then static_call_del_module()
causes a #GP as it blindly assumes that key::mods points to a valid struct
static_call_mod.
The problem is that key::mods is not a individual struct member of struct
static_call_key, it's part of a union to save space:
union {
/* bit 0: 0 = mods, 1 = sites */
unsigned long type;
struct static_call_mod *mods;
struct static_call_site *sites;
};
key::sites is a pointer to the list of built-in usage sites of the static
call. The type of the pointer is differentiated by bit 0. A mods pointer
has the bit clear, the sites pointer has the bit set.
As static_call_del_module() blidly assumes that the pointer is a valid
static_call_mod type, it fails to check for this failure case and
dereferences the pointer to the list of built-in call sites, which is
obviously bogus.
Cure it by checking whether the key has a sites or a mods pointer.
If it's a sites pointer then the key is not to be touched. As the sites are
walked in the same order as in __static_call_init() the site walk can be
terminated because all subsequent sites have not been touched by the init
code due to the error exit.
If it was converted before the allocation fail, then the inner loop which
searches for a module match will find nothing.
A fail in the second allocation in __static_call_init() is harmless and
does not require special treatment. The first allocation succeeded and
converted the key to a module chain. That first entry has mod::mod == NULL
and mod::next == NULL, so the inner loop of static_call_del_module() will
neither find a module match nor a module chain. The next site in the walk
was either already converted, but can't match the module, or it will exit
the outer loop because it has a static_call_site pointer and not a
static_call_mod pointer.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 |
||
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CVE-2024-50233 (GCVE-0-2024-50233)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: iio: frequency: ad9832: fix division by zero in ad9832_calc_freqreg()
In the ad9832_write_frequency() function, clk_get_rate() might return 0.
This can lead to a division by zero when calling ad9832_calc_freqreg().
The check if (fout > (clk_get_rate(st->mclk) / 2)) does not protect
against the case when fout is 0. The ad9832_write_frequency() function
is called from ad9832_write(), and fout is derived from a text buffer,
which can contain any value.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ea707584bac187c9c6c64c4eacd1c09bcc08f37b Version: ea707584bac187c9c6c64c4eacd1c09bcc08f37b Version: ea707584bac187c9c6c64c4eacd1c09bcc08f37b Version: ea707584bac187c9c6c64c4eacd1c09bcc08f37b Version: ea707584bac187c9c6c64c4eacd1c09bcc08f37b Version: ea707584bac187c9c6c64c4eacd1c09bcc08f37b Version: ea707584bac187c9c6c64c4eacd1c09bcc08f37b |
||
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CVE-2024-41047 (GCVE-0-2024-41047)
Vulnerability from cvelistv5
Published
2024-07-29 14:32
Modified
2026-05-23 15:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix XDP program unloading while removing the driver
The commit 6533e558c650 ("i40e: Fix reset path while removing
the driver") introduced a new PF state "__I40E_IN_REMOVE" to block
modifying the XDP program while the driver is being removed.
Unfortunately, such a change is useful only if the ".ndo_bpf()"
callback was called out of the rmmod context because unloading the
existing XDP program is also a part of driver removing procedure.
In other words, from the rmmod context the driver is expected to
unload the XDP program without reporting any errors. Otherwise,
the kernel warning with callstack is printed out to dmesg.
Example failing scenario:
1. Load the i40e driver.
2. Load the XDP program.
3. Unload the i40e driver (using "rmmod" command).
The example kernel warning log:
[ +0.004646] WARNING: CPU: 94 PID: 10395 at net/core/dev.c:9290 unregister_netdevice_many_notify+0x7a9/0x870
[...]
[ +0.010959] RIP: 0010:unregister_netdevice_many_notify+0x7a9/0x870
[...]
[ +0.002726] Call Trace:
[ +0.002457] <TASK>
[ +0.002119] ? __warn+0x80/0x120
[ +0.003245] ? unregister_netdevice_many_notify+0x7a9/0x870
[ +0.005586] ? report_bug+0x164/0x190
[ +0.003678] ? handle_bug+0x3c/0x80
[ +0.003503] ? exc_invalid_op+0x17/0x70
[ +0.003846] ? asm_exc_invalid_op+0x1a/0x20
[ +0.004200] ? unregister_netdevice_many_notify+0x7a9/0x870
[ +0.005579] ? unregister_netdevice_many_notify+0x3cc/0x870
[ +0.005586] unregister_netdevice_queue+0xf7/0x140
[ +0.004806] unregister_netdev+0x1c/0x30
[ +0.003933] i40e_vsi_release+0x87/0x2f0 [i40e]
[ +0.004604] i40e_remove+0x1a1/0x420 [i40e]
[ +0.004220] pci_device_remove+0x3f/0xb0
[ +0.003943] device_release_driver_internal+0x19f/0x200
[ +0.005243] driver_detach+0x48/0x90
[ +0.003586] bus_remove_driver+0x6d/0xf0
[ +0.003939] pci_unregister_driver+0x2e/0xb0
[ +0.004278] i40e_exit_module+0x10/0x5f0 [i40e]
[ +0.004570] __do_sys_delete_module.isra.0+0x197/0x310
[ +0.005153] do_syscall_64+0x85/0x170
[ +0.003684] ? syscall_exit_to_user_mode+0x69/0x220
[ +0.004886] ? do_syscall_64+0x95/0x170
[ +0.003851] ? exc_page_fault+0x7e/0x180
[ +0.003932] entry_SYSCALL_64_after_hwframe+0x71/0x79
[ +0.005064] RIP: 0033:0x7f59dc9347cb
[ +0.003648] Code: 73 01 c3 48 8b 0d 65 16 0c 00 f7 d8 64 89 01 48 83
c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f
05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 35 16 0c 00 f7 d8 64 89 01 48
[ +0.018753] RSP: 002b:00007ffffac99048 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
[ +0.007577] RAX: ffffffffffffffda RBX: 0000559b9bb2f6e0 RCX: 00007f59dc9347cb
[ +0.007140] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000559b9bb2f748
[ +0.007146] RBP: 00007ffffac99070 R08: 1999999999999999 R09: 0000000000000000
[ +0.007133] R10: 00007f59dc9a5ac0 R11: 0000000000000206 R12: 0000000000000000
[ +0.007141] R13: 00007ffffac992d8 R14: 0000559b9bb2f6e0 R15: 0000000000000000
[ +0.007151] </TASK>
[ +0.002204] ---[ end trace 0000000000000000 ]---
Fix this by checking if the XDP program is being loaded or unloaded.
Then, block only loading a new program while "__I40E_IN_REMOVE" is set.
Also, move testing "__I40E_IN_REMOVE" flag to the beginning of XDP_SETUP
callback to avoid unnecessary operations and checks.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b82364abc54b19829b26459989d2781fc4822c28 Version: 6533e558c6505e94c3e0ed4281ed5e31ec985f4d Version: 6533e558c6505e94c3e0ed4281ed5e31ec985f4d Version: 6533e558c6505e94c3e0ed4281ed5e31ec985f4d Version: 6533e558c6505e94c3e0ed4281ed5e31ec985f4d Version: 2754d83160c96ae22afff8687ddb575d3b790587 Version: 5.15.20 ≤ Version: 5.16.6 ≤ |
||
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CVE-2024-50171 (GCVE-0-2024-50171)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: systemport: fix potential memory leak in bcm_sysport_xmit()
The bcm_sysport_xmit() returns NETDEV_TX_OK without freeing skb
in case of dma_map_single() fails, add dev_kfree_skb() to fix it.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 80105befdb4b8cea924711b40b2462b87df65b62 Version: 80105befdb4b8cea924711b40b2462b87df65b62 Version: 80105befdb4b8cea924711b40b2462b87df65b62 Version: 80105befdb4b8cea924711b40b2462b87df65b62 Version: 80105befdb4b8cea924711b40b2462b87df65b62 Version: 80105befdb4b8cea924711b40b2462b87df65b62 Version: 80105befdb4b8cea924711b40b2462b87df65b62 Version: 80105befdb4b8cea924711b40b2462b87df65b62 |
||
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CVE-2024-49953 (GCVE-0-2024-49953)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: Fix crash caused by calling __xfrm_state_delete() twice
The km.state is not checked in driver's delayed work. When
xfrm_state_check_expire() is called, the state can be reset to
XFRM_STATE_EXPIRED, even if it is XFRM_STATE_DEAD already. This
happens when xfrm state is deleted, but not freed yet. As
__xfrm_state_delete() is called again in xfrm timer, the following
crash occurs.
To fix this issue, skip xfrm_state_check_expire() if km.state is not
XFRM_STATE_VALID.
Oops: general protection fault, probably for non-canonical address 0xdead000000000108: 0000 [#1] SMP
CPU: 5 UID: 0 PID: 7448 Comm: kworker/u102:2 Not tainted 6.11.0-rc2+ #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Workqueue: mlx5e_ipsec: eth%d mlx5e_ipsec_handle_sw_limits [mlx5_core]
RIP: 0010:__xfrm_state_delete+0x3d/0x1b0
Code: 0f 84 8b 01 00 00 48 89 fd c6 87 c8 00 00 00 05 48 8d bb 40 10 00 00 e8 11 04 1a 00 48 8b 95 b8 00 00 00 48 8b 85 c0 00 00 00 <48> 89 42 08 48 89 10 48 8b 55 10 48 b8 00 01 00 00 00 00 ad de 48
RSP: 0018:ffff88885f945ec8 EFLAGS: 00010246
RAX: dead000000000122 RBX: ffffffff82afa940 RCX: 0000000000000036
RDX: dead000000000100 RSI: 0000000000000000 RDI: ffffffff82afb980
RBP: ffff888109a20340 R08: ffff88885f945ea0 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88885f945ff8 R12: 0000000000000246
R13: ffff888109a20340 R14: ffff88885f95f420 R15: ffff88885f95f400
FS: 0000000000000000(0000) GS:ffff88885f940000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2163102430 CR3: 00000001128d6001 CR4: 0000000000370eb0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
? die_addr+0x33/0x90
? exc_general_protection+0x1a2/0x390
? asm_exc_general_protection+0x22/0x30
? __xfrm_state_delete+0x3d/0x1b0
? __xfrm_state_delete+0x2f/0x1b0
xfrm_timer_handler+0x174/0x350
? __xfrm_state_delete+0x1b0/0x1b0
__hrtimer_run_queues+0x121/0x270
hrtimer_run_softirq+0x88/0xd0
handle_softirqs+0xcc/0x270
do_softirq+0x3c/0x50
</IRQ>
<TASK>
__local_bh_enable_ip+0x47/0x50
mlx5e_ipsec_handle_sw_limits+0x7d/0x90 [mlx5_core]
process_one_work+0x137/0x2d0
worker_thread+0x28d/0x3a0
? rescuer_thread+0x480/0x480
kthread+0xb8/0xe0
? kthread_park+0x80/0x80
ret_from_fork+0x2d/0x50
? kthread_park+0x80/0x80
ret_from_fork_asm+0x11/0x20
</TASK>
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49955 (GCVE-0-2024-49955)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-12 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPI: battery: Fix possible crash when unregistering a battery hook
When a battery hook returns an error when adding a new battery, then
the battery hook is automatically unregistered.
However the battery hook provider cannot know that, so it will later
call battery_hook_unregister() on the already unregistered battery
hook, resulting in a crash.
Fix this by using the list head to mark already unregistered battery
hooks as already being unregistered so that they can be ignored by
battery_hook_unregister().
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fa93854f7a7ed63d054405bf3779247d5300edd3 Version: fa93854f7a7ed63d054405bf3779247d5300edd3 Version: fa93854f7a7ed63d054405bf3779247d5300edd3 Version: fa93854f7a7ed63d054405bf3779247d5300edd3 Version: fa93854f7a7ed63d054405bf3779247d5300edd3 Version: fa93854f7a7ed63d054405bf3779247d5300edd3 Version: fa93854f7a7ed63d054405bf3779247d5300edd3 Version: fa93854f7a7ed63d054405bf3779247d5300edd3 Version: fa93854f7a7ed63d054405bf3779247d5300edd3 |
||
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CVE-2024-53094 (GCVE-0-2024-53094)
Vulnerability from cvelistv5
Published
2024-11-21 18:17
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/siw: Add sendpage_ok() check to disable MSG_SPLICE_PAGES
While running ISER over SIW, the initiator machine encounters a warning
from skb_splice_from_iter() indicating that a slab page is being used in
send_page. To address this, it is better to add a sendpage_ok() check
within the driver itself, and if it returns 0, then MSG_SPLICE_PAGES flag
should be disabled before entering the network stack.
A similar issue has been discussed for NVMe in this thread:
https://lore.kernel.org/all/20240530142417.146696-1-ofir.gal@volumez.com/
WARNING: CPU: 0 PID: 5342 at net/core/skbuff.c:7140 skb_splice_from_iter+0x173/0x320
Call Trace:
tcp_sendmsg_locked+0x368/0xe40
siw_tx_hdt+0x695/0xa40 [siw]
siw_qp_sq_process+0x102/0xb00 [siw]
siw_sq_resume+0x39/0x110 [siw]
siw_run_sq+0x74/0x160 [siw]
kthread+0xd2/0x100
ret_from_fork+0x34/0x40
ret_from_fork_asm+0x1a/0x30
References
Impacted products
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CVE-2024-46835 (GCVE-0-2024-46835)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Fix smatch static checker warning
adev->gfx.imu.funcs could be NULL
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49882 (GCVE-0-2024-49882)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix double brelse() the buffer of the extents path
In ext4_ext_try_to_merge_up(), set path[1].p_bh to NULL after it has been
released, otherwise it may be released twice. An example of what triggers
this is as follows:
split2 map split1
|--------|-------|--------|
ext4_ext_map_blocks
ext4_ext_handle_unwritten_extents
ext4_split_convert_extents
// path->p_depth == 0
ext4_split_extent
// 1. do split1
ext4_split_extent_at
|ext4_ext_insert_extent
| ext4_ext_create_new_leaf
| ext4_ext_grow_indepth
| le16_add_cpu(&neh->eh_depth, 1)
| ext4_find_extent
| // return -ENOMEM
|// get error and try zeroout
|path = ext4_find_extent
| path->p_depth = 1
|ext4_ext_try_to_merge
| ext4_ext_try_to_merge_up
| path->p_depth = 0
| brelse(path[1].p_bh) ---> not set to NULL here
|// zeroout success
// 2. update path
ext4_find_extent
// 3. do split2
ext4_split_extent_at
ext4_ext_insert_extent
ext4_ext_create_new_leaf
ext4_ext_grow_indepth
le16_add_cpu(&neh->eh_depth, 1)
ext4_find_extent
path[0].p_bh = NULL;
path->p_depth = 1
read_extent_tree_block ---> return err
// path[1].p_bh is still the old value
ext4_free_ext_path
ext4_ext_drop_refs
// path->p_depth == 1
brelse(path[1].p_bh) ---> brelse a buffer twice
Finally got the following WARRNING when removing the buffer from lru:
============================================
VFS: brelse: Trying to free free buffer
WARNING: CPU: 2 PID: 72 at fs/buffer.c:1241 __brelse+0x58/0x90
CPU: 2 PID: 72 Comm: kworker/u19:1 Not tainted 6.9.0-dirty #716
RIP: 0010:__brelse+0x58/0x90
Call Trace:
<TASK>
__find_get_block+0x6e7/0x810
bdev_getblk+0x2b/0x480
__ext4_get_inode_loc+0x48a/0x1240
ext4_get_inode_loc+0xb2/0x150
ext4_reserve_inode_write+0xb7/0x230
__ext4_mark_inode_dirty+0x144/0x6a0
ext4_ext_insert_extent+0x9c8/0x3230
ext4_ext_map_blocks+0xf45/0x2dc0
ext4_map_blocks+0x724/0x1700
ext4_do_writepages+0x12d6/0x2a70
[...]
============================================
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ecb94f5fdf4b72547fca022421a9dca1672bddd4 Version: ecb94f5fdf4b72547fca022421a9dca1672bddd4 Version: ecb94f5fdf4b72547fca022421a9dca1672bddd4 Version: ecb94f5fdf4b72547fca022421a9dca1672bddd4 Version: ecb94f5fdf4b72547fca022421a9dca1672bddd4 Version: ecb94f5fdf4b72547fca022421a9dca1672bddd4 Version: ecb94f5fdf4b72547fca022421a9dca1672bddd4 Version: ecb94f5fdf4b72547fca022421a9dca1672bddd4 Version: ecb94f5fdf4b72547fca022421a9dca1672bddd4 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix double brelse() the buffer of the extents path\n\nIn ext4_ext_try_to_merge_up(), set path[1].p_bh to NULL after it has been\nreleased, otherwise it may be released twice. An example of what triggers\nthis is as follows:\n\n split2 map split1\n|--------|-------|--------|\n\next4_ext_map_blocks\n ext4_ext_handle_unwritten_extents\n ext4_split_convert_extents\n // path-\u003ep_depth == 0\n ext4_split_extent\n // 1. do split1\n ext4_split_extent_at\n |ext4_ext_insert_extent\n | ext4_ext_create_new_leaf\n | ext4_ext_grow_indepth\n | le16_add_cpu(\u0026neh-\u003eeh_depth, 1)\n | ext4_find_extent\n | // return -ENOMEM\n |// get error and try zeroout\n |path = ext4_find_extent\n | path-\u003ep_depth = 1\n |ext4_ext_try_to_merge\n | ext4_ext_try_to_merge_up\n | path-\u003ep_depth = 0\n | brelse(path[1].p_bh) ---\u003e not set to NULL here\n |// zeroout success\n // 2. update path\n ext4_find_extent\n // 3. do split2\n ext4_split_extent_at\n ext4_ext_insert_extent\n ext4_ext_create_new_leaf\n ext4_ext_grow_indepth\n le16_add_cpu(\u0026neh-\u003eeh_depth, 1)\n ext4_find_extent\n path[0].p_bh = NULL;\n path-\u003ep_depth = 1\n read_extent_tree_block ---\u003e return err\n // path[1].p_bh is still the old value\n ext4_free_ext_path\n ext4_ext_drop_refs\n // path-\u003ep_depth == 1\n brelse(path[1].p_bh) ---\u003e brelse a buffer twice\n\nFinally got the following WARRNING when removing the buffer from lru:\n\n============================================\nVFS: brelse: Trying to free free buffer\nWARNING: CPU: 2 PID: 72 at fs/buffer.c:1241 __brelse+0x58/0x90\nCPU: 2 PID: 72 Comm: kworker/u19:1 Not tainted 6.9.0-dirty #716\nRIP: 0010:__brelse+0x58/0x90\nCall Trace:\n \u003cTASK\u003e\n __find_get_block+0x6e7/0x810\n bdev_getblk+0x2b/0x480\n __ext4_get_inode_loc+0x48a/0x1240\n ext4_get_inode_loc+0xb2/0x150\n ext4_reserve_inode_write+0xb7/0x230\n __ext4_mark_inode_dirty+0x144/0x6a0\n ext4_ext_insert_extent+0x9c8/0x3230\n ext4_ext_map_blocks+0xf45/0x2dc0\n ext4_map_blocks+0x724/0x1700\n ext4_do_writepages+0x12d6/0x2a70\n[...]\n============================================"
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"value": "AV:L - The vulnerable extent-split path is reached through ordinary local file operations (fallocate + write/writeback, ZERO_RANGE, punch hole) on a mounted ext4 filesystem, requiring local system access rather than any network protocol handler.\nAC:L - The attacker fully drives both stages \u2014 creating unwritten extents and splitting them at will \u2014 and can force the required allocation/IO failure deterministically via an attacker-controlled backing device (-EIO), a crafted extent block (-EFSCORRUPTED), or self-inflicted GFP_NOFS memory pressure (-ENOMEM), so no condition lies outside the attacker\u0027s influence.\nPR:L - Only an unprivileged local account with write access to any file on an ext4 filesystem (/tmp, /home, an Android app sandbox on /data, a container writable layer) is needed; no capability, root, or namespace escalation is involved.\nUI:N - The attacker performs fallocate() and writes entirely on their own files and can force writeback via fsync(); no victim action such as mounting an image or opening a file is required.\nS:U - The corruption is confined to kernel memory and filesystem metadata within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The stolen buffer_head reference lets a live bh and its folio be freed while still in use, yielding a slab use-after-free whose recycled object contents (b_data, b_page, b_end_io) can be read back, and it can drop a refcount on an unrelated inode\u0027s metadata buffer, exposing arbitrary page-cache contents.\nI:H - The refcount underflow produces a use-after-free on a bh_cachep object containing the b_end_io function pointer and list pointers, giving heap-spray-based write and control-flow-hijack primitives, plus corruption of another inode\u0027s on-disk metadata buffer.\nA:H - The bug reproducibly triggers a WARN in __brelse() (fatal with panic_on_warn) and, in the reference-stealing case, a use-after-free that oopses the kernel and corrupts filesystem metadata, causing a full system crash."
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CVE-2024-50177 (GCVE-0-2024-50177)
Vulnerability from cvelistv5
Published
2024-11-08 05:23
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: fix a UBSAN warning in DML2.1
When programming phantom pipe, since cursor_width is explicity set to 0,
this causes calculation logic to trigger overflow for an unsigned int
triggering the kernel's UBSAN check as below:
[ 40.962845] UBSAN: shift-out-of-bounds in /tmp/amd.EfpumTkO/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:3312:34
[ 40.962849] shift exponent 4294967170 is too large for 32-bit type 'unsigned int'
[ 40.962852] CPU: 1 PID: 1670 Comm: gnome-shell Tainted: G W OE 6.5.0-41-generic #41~22.04.2-Ubuntu
[ 40.962854] Hardware name: Gigabyte Technology Co., Ltd. X670E AORUS PRO X/X670E AORUS PRO X, BIOS F21 01/10/2024
[ 40.962856] Call Trace:
[ 40.962857] <TASK>
[ 40.962860] dump_stack_lvl+0x48/0x70
[ 40.962870] dump_stack+0x10/0x20
[ 40.962872] __ubsan_handle_shift_out_of_bounds+0x1ac/0x360
[ 40.962878] calculate_cursor_req_attributes.cold+0x1b/0x28 [amdgpu]
[ 40.963099] dml_core_mode_support+0x6b91/0x16bc0 [amdgpu]
[ 40.963327] ? srso_alias_return_thunk+0x5/0x7f
[ 40.963331] ? CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport+0x18b8/0x2790 [amdgpu]
[ 40.963534] ? srso_alias_return_thunk+0x5/0x7f
[ 40.963536] ? dml_core_mode_support+0xb3db/0x16bc0 [amdgpu]
[ 40.963730] dml2_core_calcs_mode_support_ex+0x2c/0x90 [amdgpu]
[ 40.963906] ? srso_alias_return_thunk+0x5/0x7f
[ 40.963909] ? dml2_core_calcs_mode_support_ex+0x2c/0x90 [amdgpu]
[ 40.964078] core_dcn4_mode_support+0x72/0xbf0 [amdgpu]
[ 40.964247] dml2_top_optimization_perform_optimization_phase+0x1d3/0x2a0 [amdgpu]
[ 40.964420] dml2_build_mode_programming+0x23d/0x750 [amdgpu]
[ 40.964587] dml21_validate+0x274/0x770 [amdgpu]
[ 40.964761] ? srso_alias_return_thunk+0x5/0x7f
[ 40.964763] ? resource_append_dpp_pipes_for_plane_composition+0x27c/0x3b0 [amdgpu]
[ 40.964942] dml2_validate+0x504/0x750 [amdgpu]
[ 40.965117] ? dml21_copy+0x95/0xb0 [amdgpu]
[ 40.965291] ? srso_alias_return_thunk+0x5/0x7f
[ 40.965295] dcn401_validate_bandwidth+0x4e/0x70 [amdgpu]
[ 40.965491] update_planes_and_stream_state+0x38d/0x5c0 [amdgpu]
[ 40.965672] update_planes_and_stream_v3+0x52/0x1e0 [amdgpu]
[ 40.965845] ? srso_alias_return_thunk+0x5/0x7f
[ 40.965849] dc_update_planes_and_stream+0x71/0xb0 [amdgpu]
Fix this by adding a guard for checking cursor width before triggering
the size calculation.
References
Impacted products
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CVE-2024-50249 (GCVE-0-2024-50249)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPI: CPPC: Make rmw_lock a raw_spin_lock
The following BUG was triggered:
=============================
[ BUG: Invalid wait context ]
6.12.0-rc2-XXX #406 Not tainted
-----------------------------
kworker/1:1/62 is trying to lock:
ffffff8801593030 (&cpc_ptr->rmw_lock){+.+.}-{3:3}, at: cpc_write+0xcc/0x370
other info that might help us debug this:
context-{5:5}
2 locks held by kworker/1:1/62:
#0: ffffff897ef5ec98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x50
#1: ffffff880154e238 (&sg_policy->update_lock){....}-{2:2}, at: sugov_update_shared+0x3c/0x280
stack backtrace:
CPU: 1 UID: 0 PID: 62 Comm: kworker/1:1 Not tainted 6.12.0-rc2-g9654bd3e8806 #406
Workqueue: 0x0 (events)
Call trace:
dump_backtrace+0xa4/0x130
show_stack+0x20/0x38
dump_stack_lvl+0x90/0xd0
dump_stack+0x18/0x28
__lock_acquire+0x480/0x1ad8
lock_acquire+0x114/0x310
_raw_spin_lock+0x50/0x70
cpc_write+0xcc/0x370
cppc_set_perf+0xa0/0x3a8
cppc_cpufreq_fast_switch+0x40/0xc0
cpufreq_driver_fast_switch+0x4c/0x218
sugov_update_shared+0x234/0x280
update_load_avg+0x6ec/0x7b8
dequeue_entities+0x108/0x830
dequeue_task_fair+0x58/0x408
__schedule+0x4f0/0x1070
schedule+0x54/0x130
worker_thread+0xc0/0x2e8
kthread+0x130/0x148
ret_from_fork+0x10/0x20
sugov_update_shared() locks a raw_spinlock while cpc_write() locks a
spinlock.
To have a correct wait-type order, update rmw_lock to a raw spinlock and
ensure that interrupts will be disabled on the CPU holding it.
[ rjw: Changelog edits ]
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 94e8c988468dafde1d2bfe0532a60a3117f6394b Version: f812ca13a0d3e3aa418da36b66ca40df0d6f9e60 Version: 8ad28208be7bbe748e90442c45963ddbef0fd1e2 Version: 20cde05aa8bcd7a5ff36a609d813189b7cdbe692 Version: 60949b7b805424f21326b450ca4f1806c06d982e Version: 82cee12ada68dfd438c7faca152dbfe042868743 Version: 6.10.13 ≤ |
||
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CVE-2024-53138 (GCVE-0-2024-53138)
Vulnerability from cvelistv5
Published
2024-12-04 14:20
Modified
2026-08-05 11:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: kTLS, Fix incorrect page refcounting
The kTLS tx handling code is using a mix of get_page() and
page_ref_inc() APIs to increment the page reference. But on the release
path (mlx5e_ktls_tx_handle_resync_dump_comp()), only put_page() is used.
This is an issue when using pages from large folios: the get_page()
references are stored on the folio page while the page_ref_inc()
references are stored directly in the given page. On release the folio
page will be dereferenced too many times.
This was found while doing kTLS testing with sendfile() + ZC when the
served file was read from NFS on a kernel with NFS large folios support
(commit 49b29a573da8 ("nfs: add support for large folios")).
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 84d1bb2b139e0184b1754aa1b5776186b475fce8 Version: 84d1bb2b139e0184b1754aa1b5776186b475fce8 Version: 84d1bb2b139e0184b1754aa1b5776186b475fce8 Version: 84d1bb2b139e0184b1754aa1b5776186b475fce8 Version: 84d1bb2b139e0184b1754aa1b5776186b475fce8 Version: 84d1bb2b139e0184b1754aa1b5776186b475fce8 Version: 84d1bb2b139e0184b1754aa1b5776186b475fce8 |
||
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CVE-2024-46817 (GCVE-0-2024-46817)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Stop amdgpu_dm initialize when stream nums greater than 6
[Why]
Coverity reports OVERRUN warning. Should abort amdgpu_dm
initialize.
[How]
Return failure to amdgpu_dm_init.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Stop amdgpu_dm initialize when stream nums greater than 6\n\n[Why]\nCoverity reports OVERRUN warning. Should abort amdgpu_dm\ninitialize.\n\n[How]\nReturn failure to amdgpu_dm_init."
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"value": "AV:L - The vulnerable code is `amdgpu_dm_initialize_drm_device()`, reached only via `dm_hw_init()` during amdgpu device probe on the local machine (boot, `modprobe amdgpu`, PCI rescan, or eGPU attach); no network, adjacent-network, or remote-peer data reaches it, and the resulting corrupted plane capabilities are read back through local DRM ioctls on `/dev/dri/card*`.\nAC:H - The overrun only occurs if `dc-\u003ecaps.max_streams` exceeds 6, and that value is `min(res_pool-\u003epipe_count, res_pool-\u003estream_enc_count)` derived from compile-time per-ASIC `struct resource_caps` tables whose maximum `num_timing_generator` is 6, with hardware pipe fuses only ever decrementing it. Whether the machine contains an ASIC reporting more than six streams is entirely a property of the installed silicon and wholly outside any attacker\u0027s influence.\nPR:N - No capability check, credential test, or access-control gate exists anywhere on the path \u2014 `amdgpu_dm_initialize_drm_device()` runs unconditionally as part of the IP-block hardware init during device probe. On a system with qualifying hardware the out-of-bounds accesses occur automatically at boot before any account exists, so the attacker needs no privileges at all.\nUI:N - The amdgpu display manager initializes automatically when the PCI device is probed at boot; no victim must open a file, mount anything, or take any other action.\nS:U - The out-of-bounds read and write both stay inside kernel memory (`struct dc_caps` and `struct amdgpu_device`) and are handled entirely by the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Reading `dc-\u003ecaps.planes[i]` past index 5 pulls adjacent `struct dc_caps` bytes (`color`, `dmub_caps`, and following fields) and misinterprets them as a `struct dc_plane_cap`, from which `amdgpu_dm_plane_init()` derives the advertised pixel formats, DRM format modifiers, and upscale/downscale limits that any local user holding a DRM fd can read back via `DRM_IOCTL_MODE_GETPLANE` and the `IN_FORMATS` blob. The accompanying heap-pointer overwrite of `struct amdgpu_device` is memory corruption that can be leveraged for further disclosure.\nI:H - `initialize_plane()` writes a freshly kzalloc\u0027d `struct drm_plane *` past the end of `mode_info-\u003eplanes[6]`, corrupting the adjacent `afmt[9]` pointer array and DRM property pointers inside `struct amdgpu_device`; the subsequent `amdgpu_dm_crtc_init(dm, mode_info-\u003eplanes[i], i)` reads those slots back out of bounds and passes type-confused pointers to `drm_crtc_init_with_planes()`. An out-of-bounds pointer write combined with type confusion is a control-flow-relevant corruption primitive.\nA:H - The pre-fix `ASSERT()` expands to `WARN_ON_ONCE()`, which panics outright on the many builds running `panic_on_warn=1`, and execution then continues into the out-of-bounds accesses that corrupt `struct amdgpu_device` and dereference type-confused pointers during display init, crashing the kernel or leaving the machine unbootable/headless."
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CVE-2024-49883 (GCVE-0-2024-49883)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: aovid use-after-free in ext4_ext_insert_extent()
As Ojaswin mentioned in Link, in ext4_ext_insert_extent(), if the path is
reallocated in ext4_ext_create_new_leaf(), we'll use the stale path and
cause UAF. Below is a sample trace with dummy values:
ext4_ext_insert_extent
path = *ppath = 2000
ext4_ext_create_new_leaf(ppath)
ext4_find_extent(ppath)
path = *ppath = 2000
if (depth > path[0].p_maxdepth)
kfree(path = 2000);
*ppath = path = NULL;
path = kcalloc() = 3000
*ppath = 3000;
return path;
/* here path is still 2000, UAF! */
eh = path[depth].p_hdr
==================================================================
BUG: KASAN: slab-use-after-free in ext4_ext_insert_extent+0x26d4/0x3330
Read of size 8 at addr ffff8881027bf7d0 by task kworker/u36:1/179
CPU: 3 UID: 0 PID: 179 Comm: kworker/u6:1 Not tainted 6.11.0-rc2-dirty #866
Call Trace:
<TASK>
ext4_ext_insert_extent+0x26d4/0x3330
ext4_ext_map_blocks+0xe22/0x2d40
ext4_map_blocks+0x71e/0x1700
ext4_do_writepages+0x1290/0x2800
[...]
Allocated by task 179:
ext4_find_extent+0x81c/0x1f70
ext4_ext_map_blocks+0x146/0x2d40
ext4_map_blocks+0x71e/0x1700
ext4_do_writepages+0x1290/0x2800
ext4_writepages+0x26d/0x4e0
do_writepages+0x175/0x700
[...]
Freed by task 179:
kfree+0xcb/0x240
ext4_find_extent+0x7c0/0x1f70
ext4_ext_insert_extent+0xa26/0x3330
ext4_ext_map_blocks+0xe22/0x2d40
ext4_map_blocks+0x71e/0x1700
ext4_do_writepages+0x1290/0x2800
ext4_writepages+0x26d/0x4e0
do_writepages+0x175/0x700
[...]
==================================================================
So use *ppath to update the path to avoid the above problem.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 Version: 10809df84a4d868db61af621bae3658494165279 |
||
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CVE-2024-49921 (GCVE-0-2024-49921)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check null pointers before used
[WHAT & HOW]
Poniters, such as dc->clk_mgr, are null checked previously in the same
function, so Coverity warns "implies that "dc->clk_mgr" might be null".
As a result, these pointers need to be checked when used again.
This fixes 10 FORWARD_NULL issues reported by Coverity.
References
Impacted products
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CVE-2024-49888 (GCVE-0-2024-49888)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix a sdiv overflow issue
Zac Ecob reported a problem where a bpf program may cause kernel crash due
to the following error:
Oops: divide error: 0000 [#1] PREEMPT SMP KASAN PTI
The failure is due to the below signed divide:
LLONG_MIN/-1 where LLONG_MIN equals to -9,223,372,036,854,775,808.
LLONG_MIN/-1 is supposed to give a positive number 9,223,372,036,854,775,808,
but it is impossible since for 64-bit system, the maximum positive
number is 9,223,372,036,854,775,807. On x86_64, LLONG_MIN/-1 will
cause a kernel exception. On arm64, the result for LLONG_MIN/-1 is
LLONG_MIN.
Further investigation found all the following sdiv/smod cases may trigger
an exception when bpf program is running on x86_64 platform:
- LLONG_MIN/-1 for 64bit operation
- INT_MIN/-1 for 32bit operation
- LLONG_MIN%-1 for 64bit operation
- INT_MIN%-1 for 32bit operation
where -1 can be an immediate or in a register.
On arm64, there are no exceptions:
- LLONG_MIN/-1 = LLONG_MIN
- INT_MIN/-1 = INT_MIN
- LLONG_MIN%-1 = 0
- INT_MIN%-1 = 0
where -1 can be an immediate or in a register.
Insn patching is needed to handle the above cases and the patched codes
produced results aligned with above arm64 result. The below are pseudo
codes to handle sdiv/smod exceptions including both divisor -1 and divisor 0
and the divisor is stored in a register.
sdiv:
tmp = rX
tmp += 1 /* [-1, 0] -> [0, 1]
if tmp >(unsigned) 1 goto L2
if tmp == 0 goto L1
rY = 0
L1:
rY = -rY;
goto L3
L2:
rY /= rX
L3:
smod:
tmp = rX
tmp += 1 /* [-1, 0] -> [0, 1]
if tmp >(unsigned) 1 goto L1
if tmp == 1 (is64 ? goto L2 : goto L3)
rY = 0;
goto L2
L1:
rY %= rX
L2:
goto L4 // only when !is64
L3:
wY = wY // only when !is64
L4:
[1] https://lore.kernel.org/bpf/tPJLTEh7S_DxFEqAI2Ji5MBSoZVg7_G-Py2iaZpAaWtM961fFTWtsnlzwvTbzBzaUzwQAoNATXKUlt0LZOFgnDcIyKCswAnAGdUF3LBrhGQ=@protonmail.com/
References
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix a sdiv overflow issue\n\nZac Ecob reported a problem where a bpf program may cause kernel crash due\nto the following error:\n Oops: divide error: 0000 [#1] PREEMPT SMP KASAN PTI\n\nThe failure is due to the below signed divide:\n LLONG_MIN/-1 where LLONG_MIN equals to -9,223,372,036,854,775,808.\nLLONG_MIN/-1 is supposed to give a positive number 9,223,372,036,854,775,808,\nbut it is impossible since for 64-bit system, the maximum positive\nnumber is 9,223,372,036,854,775,807. On x86_64, LLONG_MIN/-1 will\ncause a kernel exception. On arm64, the result for LLONG_MIN/-1 is\nLLONG_MIN.\n\nFurther investigation found all the following sdiv/smod cases may trigger\nan exception when bpf program is running on x86_64 platform:\n - LLONG_MIN/-1 for 64bit operation\n - INT_MIN/-1 for 32bit operation\n - LLONG_MIN%-1 for 64bit operation\n - INT_MIN%-1 for 32bit operation\nwhere -1 can be an immediate or in a register.\n\nOn arm64, there are no exceptions:\n - LLONG_MIN/-1 = LLONG_MIN\n - INT_MIN/-1 = INT_MIN\n - LLONG_MIN%-1 = 0\n - INT_MIN%-1 = 0\nwhere -1 can be an immediate or in a register.\n\nInsn patching is needed to handle the above cases and the patched codes\nproduced results aligned with above arm64 result. The below are pseudo\ncodes to handle sdiv/smod exceptions including both divisor -1 and divisor 0\nand the divisor is stored in a register.\n\nsdiv:\n tmp = rX\n tmp += 1 /* [-1, 0] -\u003e [0, 1]\n if tmp \u003e(unsigned) 1 goto L2\n if tmp == 0 goto L1\n rY = 0\n L1:\n rY = -rY;\n goto L3\n L2:\n rY /= rX\n L3:\n\nsmod:\n tmp = rX\n tmp += 1 /* [-1, 0] -\u003e [0, 1]\n if tmp \u003e(unsigned) 1 goto L1\n if tmp == 1 (is64 ? goto L2 : goto L3)\n rY = 0;\n goto L2\n L1:\n rY %= rX\n L2:\n goto L4 // only when !is64\n L3:\n wY = wY // only when !is64\n L4:\n\n [1] https://lore.kernel.org/bpf/tPJLTEh7S_DxFEqAI2Ji5MBSoZVg7_G-Py2iaZpAaWtM961fFTWtsnlzwvTbzBzaUzwQAoNATXKUlt0LZOFgnDcIyKCswAnAGdUF3LBrhGQ=@protonmail.com/"
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CVE-2024-50060 (GCVE-0-2024-50060)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
io_uring: check if we need to reschedule during overflow flush
In terms of normal application usage, this list will always be empty.
And if an application does overflow a bit, it'll have a few entries.
However, nothing obviously prevents syzbot from running a test case
that generates a ton of overflow entries, and then flushing them can
take quite a while.
Check for needing to reschedule while flushing, and drop our locks and
do so if necessary. There's no state to maintain here as overflows
always prune from head-of-list, hence it's fine to drop and reacquire
the locks at the end of the loop.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50209 (GCVE-0-2024-50209)
Vulnerability from cvelistv5
Published
2024-11-08 06:07
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/bnxt_re: Add a check for memory allocation
__alloc_pbl() can return error when memory allocation fails.
Driver is not checking the status on one of the instances.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 Version: 0c4dcd602817502bb3dced7a834a13ef717d65a4 |
||
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CVE-2024-53066 (GCVE-0-2024-53066)
Vulnerability from cvelistv5
Published
2024-11-19 17:22
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfs: Fix KMSAN warning in decode_getfattr_attrs()
Fix the following KMSAN warning:
CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009)
=====================================================
=====================================================
BUG: KMSAN: uninit-value in decode_getfattr_attrs+0x2d6d/0x2f90
decode_getfattr_attrs+0x2d6d/0x2f90
decode_getfattr_generic+0x806/0xb00
nfs4_xdr_dec_getattr+0x1de/0x240
rpcauth_unwrap_resp_decode+0xab/0x100
rpcauth_unwrap_resp+0x95/0xc0
call_decode+0x4ff/0xb50
__rpc_execute+0x57b/0x19d0
rpc_execute+0x368/0x5e0
rpc_run_task+0xcfe/0xee0
nfs4_proc_getattr+0x5b5/0x990
__nfs_revalidate_inode+0x477/0xd00
nfs_access_get_cached+0x1021/0x1cc0
nfs_do_access+0x9f/0xae0
nfs_permission+0x1e4/0x8c0
inode_permission+0x356/0x6c0
link_path_walk+0x958/0x1330
path_lookupat+0xce/0x6b0
filename_lookup+0x23e/0x770
vfs_statx+0xe7/0x970
vfs_fstatat+0x1f2/0x2c0
__se_sys_newfstatat+0x67/0x880
__x64_sys_newfstatat+0xbd/0x120
x64_sys_call+0x1826/0x3cf0
do_syscall_64+0xd0/0x1b0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The KMSAN warning is triggered in decode_getfattr_attrs(), when calling
decode_attr_mdsthreshold(). It appears that fattr->mdsthreshold is not
initialized.
Fix the issue by initializing fattr->mdsthreshold to NULL in
nfs_fattr_init().
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 88034c3d88c2c48b215f2cc5eb22e564aa817f9c Version: 88034c3d88c2c48b215f2cc5eb22e564aa817f9c Version: 88034c3d88c2c48b215f2cc5eb22e564aa817f9c Version: 88034c3d88c2c48b215f2cc5eb22e564aa817f9c Version: 88034c3d88c2c48b215f2cc5eb22e564aa817f9c Version: 88034c3d88c2c48b215f2cc5eb22e564aa817f9c Version: 88034c3d88c2c48b215f2cc5eb22e564aa817f9c Version: 88034c3d88c2c48b215f2cc5eb22e564aa817f9c |
||
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CVE-2024-50150 (GCVE-0-2024-50150)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: altmode should keep reference to parent
The altmode device release refers to its parent device, but without keeping
a reference to it.
When registering the altmode, get a reference to the parent and put it in
the release function.
Before this fix, when using CONFIG_DEBUG_KOBJECT_RELEASE, we see issues
like this:
[ 43.572860] kobject: 'port0.0' (ffff8880057ba008): kobject_release, parent 0000000000000000 (delayed 3000)
[ 43.573532] kobject: 'port0.1' (ffff8880057bd008): kobject_release, parent 0000000000000000 (delayed 1000)
[ 43.574407] kobject: 'port0' (ffff8880057b9008): kobject_release, parent 0000000000000000 (delayed 3000)
[ 43.575059] kobject: 'port1.0' (ffff8880057ca008): kobject_release, parent 0000000000000000 (delayed 4000)
[ 43.575908] kobject: 'port1.1' (ffff8880057c9008): kobject_release, parent 0000000000000000 (delayed 4000)
[ 43.576908] kobject: 'typec' (ffff8880062dbc00): kobject_release, parent 0000000000000000 (delayed 4000)
[ 43.577769] kobject: 'port1' (ffff8880057bf008): kobject_release, parent 0000000000000000 (delayed 3000)
[ 46.612867] ==================================================================
[ 46.613402] BUG: KASAN: slab-use-after-free in typec_altmode_release+0x38/0x129
[ 46.614003] Read of size 8 at addr ffff8880057b9118 by task kworker/2:1/48
[ 46.614538]
[ 46.614668] CPU: 2 UID: 0 PID: 48 Comm: kworker/2:1 Not tainted 6.12.0-rc1-00138-gedbae730ad31 #535
[ 46.615391] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014
[ 46.616042] Workqueue: events kobject_delayed_cleanup
[ 46.616446] Call Trace:
[ 46.616648] <TASK>
[ 46.616820] dump_stack_lvl+0x5b/0x7c
[ 46.617112] ? typec_altmode_release+0x38/0x129
[ 46.617470] print_report+0x14c/0x49e
[ 46.617769] ? rcu_read_unlock_sched+0x56/0x69
[ 46.618117] ? __virt_addr_valid+0x19a/0x1ab
[ 46.618456] ? kmem_cache_debug_flags+0xc/0x1d
[ 46.618807] ? typec_altmode_release+0x38/0x129
[ 46.619161] kasan_report+0x8d/0xb4
[ 46.619447] ? typec_altmode_release+0x38/0x129
[ 46.619809] ? process_scheduled_works+0x3cb/0x85f
[ 46.620185] typec_altmode_release+0x38/0x129
[ 46.620537] ? process_scheduled_works+0x3cb/0x85f
[ 46.620907] device_release+0xaf/0xf2
[ 46.621206] kobject_delayed_cleanup+0x13b/0x17a
[ 46.621584] process_scheduled_works+0x4f6/0x85f
[ 46.621955] ? __pfx_process_scheduled_works+0x10/0x10
[ 46.622353] ? hlock_class+0x31/0x9a
[ 46.622647] ? lock_acquired+0x361/0x3c3
[ 46.622956] ? move_linked_works+0x46/0x7d
[ 46.623277] worker_thread+0x1ce/0x291
[ 46.623582] ? __kthread_parkme+0xc8/0xdf
[ 46.623900] ? __pfx_worker_thread+0x10/0x10
[ 46.624236] kthread+0x17e/0x190
[ 46.624501] ? kthread+0xfb/0x190
[ 46.624756] ? __pfx_kthread+0x10/0x10
[ 46.625015] ret_from_fork+0x20/0x40
[ 46.625268] ? __pfx_kthread+0x10/0x10
[ 46.625532] ret_from_fork_asm+0x1a/0x30
[ 46.625805] </TASK>
[ 46.625953]
[ 46.626056] Allocated by task 678:
[ 46.626287] kasan_save_stack+0x24/0x44
[ 46.626555] kasan_save_track+0x14/0x2d
[ 46.626811] __kasan_kmalloc+0x3f/0x4d
[ 46.627049] __kmalloc_noprof+0x1bf/0x1f0
[ 46.627362] typec_register_port+0x23/0x491
[ 46.627698] cros_typec_probe+0x634/0xbb6
[ 46.628026] platform_probe+0x47/0x8c
[ 46.628311] really_probe+0x20a/0x47d
[ 46.628605] device_driver_attach+0x39/0x72
[ 46.628940] bind_store+0x87/0xd7
[ 46.629213] kernfs_fop_write_iter+0x1aa/0x218
[ 46.629574] vfs_write+0x1d6/0x29b
[ 46.629856] ksys_write+0xcd/0x13b
[ 46.630128] do_syscall_64+0xd4/0x139
[ 46.630420] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 46.630820]
[ 46.630946] Freed by task 48:
[ 46.631182] kasan_save_stack+0x24/0x44
[ 46.631493] kasan_save_track+0x14/0x2d
[ 46.631799] kasan_save_free_info+0x3f/0x4d
[ 46.632144] __kasan_slab_free+0x37/0x45
[ 46.632474]
---truncated---
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8a37d87d72f0c69f837229c04d2fcd7117ea57e7 Version: 8a37d87d72f0c69f837229c04d2fcd7117ea57e7 Version: 8a37d87d72f0c69f837229c04d2fcd7117ea57e7 Version: 8a37d87d72f0c69f837229c04d2fcd7117ea57e7 Version: 8a37d87d72f0c69f837229c04d2fcd7117ea57e7 Version: 8a37d87d72f0c69f837229c04d2fcd7117ea57e7 Version: 8a37d87d72f0c69f837229c04d2fcd7117ea57e7 Version: 8a37d87d72f0c69f837229c04d2fcd7117ea57e7 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: altmode should keep reference to parent\n\nThe altmode device release refers to its parent device, but without keeping\na reference to it.\n\nWhen registering the altmode, get a reference to the parent and put it in\nthe release function.\n\nBefore this fix, when using CONFIG_DEBUG_KOBJECT_RELEASE, we see issues\nlike this:\n\n[ 43.572860] kobject: \u0027port0.0\u0027 (ffff8880057ba008): kobject_release, parent 0000000000000000 (delayed 3000)\n[ 43.573532] kobject: \u0027port0.1\u0027 (ffff8880057bd008): kobject_release, parent 0000000000000000 (delayed 1000)\n[ 43.574407] kobject: \u0027port0\u0027 (ffff8880057b9008): kobject_release, parent 0000000000000000 (delayed 3000)\n[ 43.575059] kobject: \u0027port1.0\u0027 (ffff8880057ca008): kobject_release, parent 0000000000000000 (delayed 4000)\n[ 43.575908] kobject: \u0027port1.1\u0027 (ffff8880057c9008): kobject_release, parent 0000000000000000 (delayed 4000)\n[ 43.576908] kobject: \u0027typec\u0027 (ffff8880062dbc00): kobject_release, parent 0000000000000000 (delayed 4000)\n[ 43.577769] kobject: \u0027port1\u0027 (ffff8880057bf008): kobject_release, parent 0000000000000000 (delayed 3000)\n[ 46.612867] ==================================================================\n[ 46.613402] BUG: KASAN: slab-use-after-free in typec_altmode_release+0x38/0x129\n[ 46.614003] Read of size 8 at addr ffff8880057b9118 by task kworker/2:1/48\n[ 46.614538]\n[ 46.614668] CPU: 2 UID: 0 PID: 48 Comm: kworker/2:1 Not tainted 6.12.0-rc1-00138-gedbae730ad31 #535\n[ 46.615391] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014\n[ 46.616042] Workqueue: events kobject_delayed_cleanup\n[ 46.616446] Call Trace:\n[ 46.616648] \u003cTASK\u003e\n[ 46.616820] dump_stack_lvl+0x5b/0x7c\n[ 46.617112] ? typec_altmode_release+0x38/0x129\n[ 46.617470] print_report+0x14c/0x49e\n[ 46.617769] ? rcu_read_unlock_sched+0x56/0x69\n[ 46.618117] ? __virt_addr_valid+0x19a/0x1ab\n[ 46.618456] ? kmem_cache_debug_flags+0xc/0x1d\n[ 46.618807] ? typec_altmode_release+0x38/0x129\n[ 46.619161] kasan_report+0x8d/0xb4\n[ 46.619447] ? typec_altmode_release+0x38/0x129\n[ 46.619809] ? process_scheduled_works+0x3cb/0x85f\n[ 46.620185] typec_altmode_release+0x38/0x129\n[ 46.620537] ? process_scheduled_works+0x3cb/0x85f\n[ 46.620907] device_release+0xaf/0xf2\n[ 46.621206] kobject_delayed_cleanup+0x13b/0x17a\n[ 46.621584] process_scheduled_works+0x4f6/0x85f\n[ 46.621955] ? __pfx_process_scheduled_works+0x10/0x10\n[ 46.622353] ? hlock_class+0x31/0x9a\n[ 46.622647] ? lock_acquired+0x361/0x3c3\n[ 46.622956] ? move_linked_works+0x46/0x7d\n[ 46.623277] worker_thread+0x1ce/0x291\n[ 46.623582] ? __kthread_parkme+0xc8/0xdf\n[ 46.623900] ? __pfx_worker_thread+0x10/0x10\n[ 46.624236] kthread+0x17e/0x190\n[ 46.624501] ? kthread+0xfb/0x190\n[ 46.624756] ? __pfx_kthread+0x10/0x10\n[ 46.625015] ret_from_fork+0x20/0x40\n[ 46.625268] ? __pfx_kthread+0x10/0x10\n[ 46.625532] ret_from_fork_asm+0x1a/0x30\n[ 46.625805] \u003c/TASK\u003e\n[ 46.625953]\n[ 46.626056] Allocated by task 678:\n[ 46.626287] kasan_save_stack+0x24/0x44\n[ 46.626555] kasan_save_track+0x14/0x2d\n[ 46.626811] __kasan_kmalloc+0x3f/0x4d\n[ 46.627049] __kmalloc_noprof+0x1bf/0x1f0\n[ 46.627362] typec_register_port+0x23/0x491\n[ 46.627698] cros_typec_probe+0x634/0xbb6\n[ 46.628026] platform_probe+0x47/0x8c\n[ 46.628311] really_probe+0x20a/0x47d\n[ 46.628605] device_driver_attach+0x39/0x72\n[ 46.628940] bind_store+0x87/0xd7\n[ 46.629213] kernfs_fop_write_iter+0x1aa/0x218\n[ 46.629574] vfs_write+0x1d6/0x29b\n[ 46.629856] ksys_write+0xcd/0x13b\n[ 46.630128] do_syscall_64+0xd4/0x139\n[ 46.630420] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 46.630820]\n[ 46.630946] Freed by task 48:\n[ 46.631182] kasan_save_stack+0x24/0x44\n[ 46.631493] kasan_save_track+0x14/0x2d\n[ 46.631799] kasan_save_free_info+0x3f/0x4d\n[ 46.632144] __kasan_slab_free+0x37/0x45\n[ 46.632474]\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The USB Type-C connector class registration/teardown path that reaches `typec_altmode_release()` is driven from local userspace \u2014 the commit\u0027s own KASAN trace shows the path entered via `ksys_write`/`vfs_write` \u2192 `kernfs_fop_write_iter` \u2192 `bind_store` \u2014 as well as by attaching/detaching a USB-C partner or cable. This matches how comparable USB Type-C class lifetime bugs are scored (e.g. CVE-2026-64463, also AV:L).\nAC:L - The attacker fully controls the trigger: driving the port/partner/plug register-unregister cycle (bind/unbind, module load/unload, or repeated USB-C attach/detach with alt-mode-advertising devices) deterministically produces the stale-parent dereference, as the reporter reproduced. No condition outside the attacker\u0027s control is required.\nPR:L - A basic local account suffices to interact with the Type-C class and drive the device lifecycle sequences that free the parent before the altmode release runs; no elevated capability is inherent to the vulnerable code itself. Choosing the higher of L/H per the uncertainty rule and consistent with prior USB/typec scoring in this series.\nUI:N - The attacker performs the triggering register/unregister cycle themselves; no action by any other user or victim is needed.\nS:U - The use-after-free occurs on kernel slab memory and its impact is confined to the kernel\u0027s own security authority \u2014 no VM, IOMMU, or sandbox boundary is crossed.\nC:H - This is a slab use-after-free: `typec_altmode_release()` reads `dev-\u003eparent-\u003etype` and the embedded `mode_ids` from a freed `typec_port`/`typec_partner`/`typec_plug` object, and the freed slot can be groomed with attacker-controlled data, yielding an information-disclosure primitive.\nI:H - `altmode_id_remove()` performs `ida_free()` on an IDA located inside the freed object, writing through IDA/XArray pointers taken from reallocated attacker-controlled memory \u2014 a write primitive that can be leveraged for control-flow hijack.\nA:H - KASAN confirms a slab-use-after-free (`BUG: KASAN: slab-use-after-free in typec_altmode_release`) reached from a workqueue context; the corrupted IDA operation reliably leads to kernel oops or panic."
}
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"dateUpdated": "2026-08-05T11:42:03.878Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"url": "https://git.kernel.org/stable/c/2b0b33e8a58388fa9078f0fbe9af1900e6b08879"
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"url": "https://git.kernel.org/stable/c/2c15c4133d00f5da632fce60ed013fc31aa9aa58"
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"url": "https://git.kernel.org/stable/c/6af43ec3bf40f8b428d9134ffa7a291aecd60da8"
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"url": "https://git.kernel.org/stable/c/87474406056891e4fdea0794e1f632b21b3dfa27"
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"url": "https://git.kernel.org/stable/c/bee1b68cb8bcee4fd3a8bde3a4886e0b1375dc4d"
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"url": "https://git.kernel.org/stable/c/1ded6b12499e6dee9b0e1ceac633be36538f6fc2"
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"url": "https://git.kernel.org/stable/c/68a7c7fe322546be1464174c8d85874b8161deda"
},
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"url": "https://git.kernel.org/stable/c/befab3a278c59db0cc88c8799638064f6d3fd6f8"
}
],
"title": "usb: typec: altmode should keep reference to parent",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50150",
"datePublished": "2024-11-07T09:31:26.782Z",
"dateReserved": "2024-10-21T19:36:19.959Z",
"dateUpdated": "2026-08-05T11:42:03.878Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-50082 (GCVE-0-2024-50082)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race
We're seeing crashes from rq_qos_wake_function that look like this:
BUG: unable to handle page fault for address: ffffafe180a40084
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 100000067 P4D 100000067 PUD 10027c067 PMD 10115d067 PTE 0
Oops: Oops: 0002 [#1] PREEMPT SMP PTI
CPU: 17 UID: 0 PID: 0 Comm: swapper/17 Not tainted 6.12.0-rc3-00013-geca631b8fe80 #11
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:_raw_spin_lock_irqsave+0x1d/0x40
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 54 9c 41 5c fa 65 ff 05 62 97 30 4c 31 c0 ba 01 00 00 00 <f0> 0f b1 17 75 0a 4c 89 e0 41 5c c3 cc cc cc cc 89 c6 e8 2c 0b 00
RSP: 0018:ffffafe180580ca0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffafe180a3f7a8 RCX: 0000000000000011
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffafe180a40084
RBP: 0000000000000000 R08: 00000000001e7240 R09: 0000000000000011
R10: 0000000000000028 R11: 0000000000000888 R12: 0000000000000002
R13: ffffafe180a40084 R14: 0000000000000000 R15: 0000000000000003
FS: 0000000000000000(0000) GS:ffff9aaf1f280000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffafe180a40084 CR3: 000000010e428002 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<IRQ>
try_to_wake_up+0x5a/0x6a0
rq_qos_wake_function+0x71/0x80
__wake_up_common+0x75/0xa0
__wake_up+0x36/0x60
scale_up.part.0+0x50/0x110
wb_timer_fn+0x227/0x450
...
So rq_qos_wake_function() calls wake_up_process(data->task), which calls
try_to_wake_up(), which faults in raw_spin_lock_irqsave(&p->pi_lock).
p comes from data->task, and data comes from the waitqueue entry, which
is stored on the waiter's stack in rq_qos_wait(). Analyzing the core
dump with drgn, I found that the waiter had already woken up and moved
on to a completely unrelated code path, clobbering what was previously
data->task. Meanwhile, the waker was passing the clobbered garbage in
data->task to wake_up_process(), leading to the crash.
What's happening is that in between rq_qos_wake_function() deleting the
waitqueue entry and calling wake_up_process(), rq_qos_wait() is finding
that it already got a token and returning. The race looks like this:
rq_qos_wait() rq_qos_wake_function()
==============================================================
prepare_to_wait_exclusive()
data->got_token = true;
list_del_init(&curr->entry);
if (data.got_token)
break;
finish_wait(&rqw->wait, &data.wq);
^- returns immediately because
list_empty_careful(&wq_entry->entry)
is true
... return, go do something else ...
wake_up_process(data->task)
(NO LONGER VALID!)-^
Normally, finish_wait() is supposed to synchronize against the waker.
But, as noted above, it is returning immediately because the waitqueue
entry has already been removed from the waitqueue.
The bug is that rq_qos_wake_function() is accessing the waitqueue entry
AFTER deleting it. Note that autoremove_wake_function() wakes the waiter
and THEN deletes the waitqueue entry, which is the proper order.
Fix it by swapping the order. We also need to use
list_del_init_careful() to match the list_empty_careful() in
finish_wait().
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 38cfb5a45ee013bfab5d1ae4c4738815e744b440 Version: 38cfb5a45ee013bfab5d1ae4c4738815e744b440 Version: 38cfb5a45ee013bfab5d1ae4c4738815e744b440 Version: 38cfb5a45ee013bfab5d1ae4c4738815e744b440 Version: 38cfb5a45ee013bfab5d1ae4c4738815e744b440 Version: 38cfb5a45ee013bfab5d1ae4c4738815e744b440 Version: 38cfb5a45ee013bfab5d1ae4c4738815e744b440 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race\n\nWe\u0027re seeing crashes from rq_qos_wake_function that look like this:\n\n BUG: unable to handle page fault for address: ffffafe180a40084\n #PF: supervisor write access in kernel mode\n #PF: error_code(0x0002) - not-present page\n PGD 100000067 P4D 100000067 PUD 10027c067 PMD 10115d067 PTE 0\n Oops: Oops: 0002 [#1] PREEMPT SMP PTI\n CPU: 17 UID: 0 PID: 0 Comm: swapper/17 Not tainted 6.12.0-rc3-00013-geca631b8fe80 #11\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\n RIP: 0010:_raw_spin_lock_irqsave+0x1d/0x40\n Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 54 9c 41 5c fa 65 ff 05 62 97 30 4c 31 c0 ba 01 00 00 00 \u003cf0\u003e 0f b1 17 75 0a 4c 89 e0 41 5c c3 cc cc cc cc 89 c6 e8 2c 0b 00\n RSP: 0018:ffffafe180580ca0 EFLAGS: 00010046\n RAX: 0000000000000000 RBX: ffffafe180a3f7a8 RCX: 0000000000000011\n RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffafe180a40084\n RBP: 0000000000000000 R08: 00000000001e7240 R09: 0000000000000011\n R10: 0000000000000028 R11: 0000000000000888 R12: 0000000000000002\n R13: ffffafe180a40084 R14: 0000000000000000 R15: 0000000000000003\n FS: 0000000000000000(0000) GS:ffff9aaf1f280000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: ffffafe180a40084 CR3: 000000010e428002 CR4: 0000000000770ef0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n PKRU: 55555554\n Call Trace:\n \u003cIRQ\u003e\n try_to_wake_up+0x5a/0x6a0\n rq_qos_wake_function+0x71/0x80\n __wake_up_common+0x75/0xa0\n __wake_up+0x36/0x60\n scale_up.part.0+0x50/0x110\n wb_timer_fn+0x227/0x450\n ...\n\nSo rq_qos_wake_function() calls wake_up_process(data-\u003etask), which calls\ntry_to_wake_up(), which faults in raw_spin_lock_irqsave(\u0026p-\u003epi_lock).\n\np comes from data-\u003etask, and data comes from the waitqueue entry, which\nis stored on the waiter\u0027s stack in rq_qos_wait(). Analyzing the core\ndump with drgn, I found that the waiter had already woken up and moved\non to a completely unrelated code path, clobbering what was previously\ndata-\u003etask. Meanwhile, the waker was passing the clobbered garbage in\ndata-\u003etask to wake_up_process(), leading to the crash.\n\nWhat\u0027s happening is that in between rq_qos_wake_function() deleting the\nwaitqueue entry and calling wake_up_process(), rq_qos_wait() is finding\nthat it already got a token and returning. The race looks like this:\n\nrq_qos_wait() rq_qos_wake_function()\n==============================================================\nprepare_to_wait_exclusive()\n data-\u003egot_token = true;\n list_del_init(\u0026curr-\u003eentry);\nif (data.got_token)\n break;\nfinish_wait(\u0026rqw-\u003ewait, \u0026data.wq);\n ^- returns immediately because\n list_empty_careful(\u0026wq_entry-\u003eentry)\n is true\n... return, go do something else ...\n wake_up_process(data-\u003etask)\n (NO LONGER VALID!)-^\n\nNormally, finish_wait() is supposed to synchronize against the waker.\nBut, as noted above, it is returning immediately because the waitqueue\nentry has already been removed from the waitqueue.\n\nThe bug is that rq_qos_wake_function() is accessing the waitqueue entry\nAFTER deleting it. Note that autoremove_wake_function() wakes the waiter\nand THEN deletes the waitqueue entry, which is the proper order.\n\nFix it by swapping the order. We also need to use\nlist_del_init_careful() to match the list_empty_careful() in\nfinish_wait()."
}
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"lang": "en",
"value": "AV:L - The vulnerable code is in the block layer\u0027s rq_qos throttling, reached through ordinary bio submission from local syscalls (write/fsync/fallocate PUNCH_HOLE) on any blk-mq-backed filesystem or block device. There is no network-facing protocol parsing involved, so local access is required.\nAC:L - The attacker controls both sides of the race \u2014 waiters are created by saturating the wbt queue depth with concurrent IO, and the wakers are completions of that same attacker-generated IO plus the wbt scale-up timer. The crash was observed occurring naturally under production load, so an attacker deliberately generating heavy concurrent IO can reproduce it reliably.\nPR:L - No capability check, LSM hook, or privilege gate exists anywhere on the path from submit_bio through rq_qos_throttle to rq_qos_wait. Any unprivileged local user who can write to a file or punch holes in one on a device with writeback throttling (enabled by default via CONFIG_BLK_WBT_MQ=y) can reach the vulnerable code.\nUI:N - Exploitation requires only that the attacker submit IO from their own processes; no action by another user or administrator is needed. The race is driven entirely by the attacker\u0027s own workload.\nS:U - The corruption occurs within kernel memory and is exploited by a local user against the same kernel, with no crossing of a virtualization, IOMMU, or sandbox authority boundary. This is a standard in-kernel privilege-escalation scope.\nC:H - This is a use-after-free/use-after-scope on the waiter\u0027s stack frame, and the stale pointer is dereferenced as a task_struct in try_to_wake_up(), causing wide type-confused reads (p-\u003e__state, p-\u003eon_rq, p-\u003eon_cpu, p-\u003ese) from an attacker-influenceable address. Per kernel UAF guidance this yields an information-disclosure primitive over arbitrary kernel memory.\nI:H - try_to_wake_up() performs raw_spin_lock_irqsave(\u0026p-\u003epi_lock) \u2014 an atomic write to a kernel address derived from reused stack contents \u2014 and then modifies scheduler fields and enqueues the fake task on a runqueue. Combined with the attacker\u0027s ability to influence what overwrites that stack slot, this gives a write and control-flow-relevant corruption primitive.\nA:H - The reported failure mode is an immediate kernel oops (supervisor write page fault in _raw_spin_lock_irqsave from IRQ context), and it can also corrupt scheduler state or run-queue linkage. Any such crash or scheduler corruption is a full denial of service, repeatable at will by an unprivileged user."
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"datePublished": "2024-10-29T00:50:24.667Z",
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CVE-2024-50229 (GCVE-0-2024-50229)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nilfs2: fix potential deadlock with newly created symlinks
Syzbot reported that page_symlink(), called by nilfs_symlink(), triggers
memory reclamation involving the filesystem layer, which can result in
circular lock dependencies among the reader/writer semaphore
nilfs->ns_segctor_sem, s_writers percpu_rwsem (intwrite) and the
fs_reclaim pseudo lock.
This is because after commit 21fc61c73c39 ("don't put symlink bodies in
pagecache into highmem"), the gfp flags of the page cache for symbolic
links are overwritten to GFP_KERNEL via inode_nohighmem().
This is not a problem for symlinks read from the backing device, because
the __GFP_FS flag is dropped after inode_nohighmem() is called. However,
when a new symlink is created with nilfs_symlink(), the gfp flags remain
overwritten to GFP_KERNEL. Then, memory allocation called from
page_symlink() etc. triggers memory reclamation including the FS layer,
which may call nilfs_evict_inode() or nilfs_dirty_inode(). And these can
cause a deadlock if they are called while nilfs->ns_segctor_sem is held:
Fix this issue by dropping the __GFP_FS flag from the page cache GFP flags
of newly created symlinks in the same way that nilfs_new_inode() and
__nilfs_read_inode() do, as a workaround until we adopt nofs allocation
scope consistently or improve the locking constraints.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 21fc61c73c3903c4c312d0802da01ec2b323d174 Version: 21fc61c73c3903c4c312d0802da01ec2b323d174 Version: 21fc61c73c3903c4c312d0802da01ec2b323d174 Version: 21fc61c73c3903c4c312d0802da01ec2b323d174 Version: 21fc61c73c3903c4c312d0802da01ec2b323d174 Version: 21fc61c73c3903c4c312d0802da01ec2b323d174 Version: 21fc61c73c3903c4c312d0802da01ec2b323d174 Version: 21fc61c73c3903c4c312d0802da01ec2b323d174 Version: 076e4ab3279eb3ddb206de44d04df7aeb2428e09 Version: 4.4.116 ≤ |
||
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CVE-2024-46805 (GCVE-0-2024-46805)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-05-11 20:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: fix the waring dereferencing hive
Check the amdgpu_hive_info *hive that maybe is NULL.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49952 (GCVE-0-2024-49952)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: prevent nf_skb_duplicated corruption
syzbot found that nf_dup_ipv4() or nf_dup_ipv6() could write
per-cpu variable nf_skb_duplicated in an unsafe way [1].
Disabling preemption as hinted by the splat is not enough,
we have to disable soft interrupts as well.
[1]
BUG: using __this_cpu_write() in preemptible [00000000] code: syz.4.282/6316
caller is nf_dup_ipv4+0x651/0x8f0 net/ipv4/netfilter/nf_dup_ipv4.c:87
CPU: 0 UID: 0 PID: 6316 Comm: syz.4.282 Not tainted 6.11.0-rc7-syzkaller-00104-g7052622fccb1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49
nf_dup_ipv4+0x651/0x8f0 net/ipv4/netfilter/nf_dup_ipv4.c:87
nft_dup_ipv4_eval+0x1db/0x300 net/ipv4/netfilter/nft_dup_ipv4.c:30
expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288
nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
nf_hook+0x2c4/0x450 include/linux/netfilter.h:269
NF_HOOK_COND include/linux/netfilter.h:302 [inline]
ip_output+0x185/0x230 net/ipv4/ip_output.c:433
ip_local_out net/ipv4/ip_output.c:129 [inline]
ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1495
udp_send_skb+0xacf/0x1650 net/ipv4/udp.c:981
udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1269
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x1a6/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
___sys_sendmsg net/socket.c:2651 [inline]
__sys_sendmmsg+0x3b2/0x740 net/socket.c:2737
__do_sys_sendmmsg net/socket.c:2766 [inline]
__se_sys_sendmmsg net/socket.c:2763 [inline]
__x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2763
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4ce4f7def9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4ce5d4a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f4ce5135f80 RCX: 00007f4ce4f7def9
RDX: 0000000000000001 RSI: 0000000020005d40 RDI: 0000000000000006
RBP: 00007f4ce4ff0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4ce5135f80 R15: 00007ffd4cbc6d68
</TASK>
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: d877f07112f1e5a247c6b585c971a93895c9f738 Version: d877f07112f1e5a247c6b585c971a93895c9f738 Version: d877f07112f1e5a247c6b585c971a93895c9f738 Version: d877f07112f1e5a247c6b585c971a93895c9f738 Version: d877f07112f1e5a247c6b585c971a93895c9f738 Version: d877f07112f1e5a247c6b585c971a93895c9f738 Version: d877f07112f1e5a247c6b585c971a93895c9f738 Version: d877f07112f1e5a247c6b585c971a93895c9f738 Version: d877f07112f1e5a247c6b585c971a93895c9f738 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: prevent nf_skb_duplicated corruption\n\nsyzbot found that nf_dup_ipv4() or nf_dup_ipv6() could write\nper-cpu variable nf_skb_duplicated in an unsafe way [1].\n\nDisabling preemption as hinted by the splat is not enough,\nwe have to disable soft interrupts as well.\n\n[1]\nBUG: using __this_cpu_write() in preemptible [00000000] code: syz.4.282/6316\n caller is nf_dup_ipv4+0x651/0x8f0 net/ipv4/netfilter/nf_dup_ipv4.c:87\nCPU: 0 UID: 0 PID: 6316 Comm: syz.4.282 Not tainted 6.11.0-rc7-syzkaller-00104-g7052622fccb1 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:93 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119\n check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49\n nf_dup_ipv4+0x651/0x8f0 net/ipv4/netfilter/nf_dup_ipv4.c:87\n nft_dup_ipv4_eval+0x1db/0x300 net/ipv4/netfilter/nft_dup_ipv4.c:30\n expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\n nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288\n nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23\n nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626\n nf_hook+0x2c4/0x450 include/linux/netfilter.h:269\n NF_HOOK_COND include/linux/netfilter.h:302 [inline]\n ip_output+0x185/0x230 net/ipv4/ip_output.c:433\n ip_local_out net/ipv4/ip_output.c:129 [inline]\n ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1495\n udp_send_skb+0xacf/0x1650 net/ipv4/udp.c:981\n udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1269\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x1a6/0x270 net/socket.c:745\n ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597\n ___sys_sendmsg net/socket.c:2651 [inline]\n __sys_sendmmsg+0x3b2/0x740 net/socket.c:2737\n __do_sys_sendmmsg net/socket.c:2766 [inline]\n __se_sys_sendmmsg net/socket.c:2763 [inline]\n __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2763\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f4ce4f7def9\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f4ce5d4a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133\nRAX: ffffffffffffffda RBX: 00007f4ce5135f80 RCX: 00007f4ce4f7def9\nRDX: 0000000000000001 RSI: 0000000020005d40 RDI: 0000000000000006\nRBP: 00007f4ce4ff0b76 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 0000000000000000 R14: 00007f4ce5135f80 R15: 00007ffd4cbc6d68\n \u003c/TASK\u003e"
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"value": "AV:L - The vulnerable code is reached by configuring an nftables `dup` rule over netfilter netlink and then sending packets from a local socket (`sendmmsg` \u2192 `ip_output` \u2192 `nft_do_chain` \u2192 `nf_dup_ipv4`); no remote peer can reach the preemptible-context variant of this path.\nAC:L - The attacker controls both sides of the race \u2014 process-context `nf_dup` calls via a thread pool flooding `sendmmsg` with `sched_setaffinity` churn to force migration between the two `__this_cpu_write()` calls, plus concurrent softirq-context `nf_dup` calls from received/looped packets \u2014 and can retry indefinitely with no condition outside their influence.\nPR:L - Reaching the code needs CAP_NET_ADMIN over a network namespace, which any unprivileged user obtains with `unshare -Urn` since nfnetlink gates on `netlink_net_capable(skb, CAP_NET_ADMIN)` and `ip_tables` on `ns_capable(sock_net(sk)-\u003euser_ns, ...)`; `__request_module()` autoloads `nft_dup_ipv4` with no capability check.\nUI:N - The attacker installs the nftables rule and generates the traffic entirely on their own; no victim action or interaction is involved.\nS:U - The corrupted state and its consequences are confined to the kernel\u0027s own security authority; this is a standard in-kernel bug with no VM, IOMMU, or hypervisor boundary crossing.\nC:H - Defeating the recursion guard permits nested re-entry into `ip_local_out`/`nft_do_chain`, and sufficiently deep recursion overflows the 16 KB kernel stack \u2014 on configurations without `CONFIG_VMAP_STACK` (common on embedded/32-bit deployments) this reads and writes adjacent kernel memory, which is leverageable for kernel memory disclosure.\nI:H - The unsynchronized per-CPU write corrupts global, cross-namespace kernel state: an unprivileged container can permanently pin a CPU\u0027s guard to `true`, silently disabling `dup`/`TEE` packet mirroring for the host\u0027s own IDS/monitoring rules, and the reverse corruption defeats the recursion invariant leading to stack overflow into adjacent kernel memory.\nA:H - A defeated recursion guard allows the duplicated skb to be duplicated again on each nesting level, driving unbounded packet amplification and kernel stack exhaustion that ends in a guard-page oops/panic; on `CONFIG_DEBUG_PREEMPT` kernels the same path emits the `BUG:` splat, which panics under `panic_on_warn`."
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CVE-2024-47709 (GCVE-0-2024-47709)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
can: bcm: Clear bo->bcm_proc_read after remove_proc_entry().
syzbot reported a warning in bcm_release(). [0]
The blamed change fixed another warning that is triggered when
connect() is issued again for a socket whose connect()ed device has
been unregistered.
However, if the socket is just close()d without the 2nd connect(), the
remaining bo->bcm_proc_read triggers unnecessary remove_proc_entry()
in bcm_release().
Let's clear bo->bcm_proc_read after remove_proc_entry() in bcm_notify().
[0]
name '4986'
WARNING: CPU: 0 PID: 5234 at fs/proc/generic.c:711 remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711
Modules linked in:
CPU: 0 UID: 0 PID: 5234 Comm: syz-executor606 Not tainted 6.11.0-rc5-syzkaller-00178-g5517ae241919 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711
Code: ff eb 05 e8 cb 1e 5e ff 48 8b 5c 24 10 48 c7 c7 e0 f7 aa 8e e8 2a 38 8e 09 90 48 c7 c7 60 3a 1b 8c 48 89 de e8 da 42 20 ff 90 <0f> 0b 90 90 48 8b 44 24 18 48 c7 44 24 40 0e 36 e0 45 49 c7 04 07
RSP: 0018:ffffc9000345fa20 EFLAGS: 00010246
RAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a
R10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640
R13: 0000000000000004 R14: 0000000000000000 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcfb52722f0 CR3: 000000000e734000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
bcm_release+0x250/0x880 net/can/bcm.c:1578
__sock_release net/socket.c:659 [inline]
sock_close+0xbc/0x240 net/socket.c:1421
__fput+0x24a/0x8a0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:228
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2f/0x27f0 kernel/exit.c:882
do_group_exit+0x207/0x2c0 kernel/exit.c:1031
__do_sys_exit_group kernel/exit.c:1042 [inline]
__se_sys_exit_group kernel/exit.c:1040 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040
x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcfb51ee969
Code: Unable to access opcode bytes at 0x7fcfb51ee93f.
RSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000
R10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0
R13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160
</TASK>
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 5c680022c4e28ba18ea500f3e29f0428271afa92 Version: 33ed4ba73caae39f34ab874ba79138badc2c65dd Version: aec92dbebdbec7567d9f56d7c9296a572b8fd849 Version: 10bfacbd5e8d821011d857bee73310457c9c989a Version: 3b39dc2901aa7a679a5ca981a3de9f8d5658afe8 Version: 4377b79323df62eb5d310354f19b4d130ff58d50 Version: abb0a615569ec008e8a93d9f3ab2d5b418ea94d4 Version: 76fe372ccb81b0c89b6cd2fec26e2f38c958be85 Version: 76fe372ccb81b0c89b6cd2fec26e2f38c958be85 Version: 4.19.322 ≤ Version: 5.4.284 ≤ Version: 5.10.226 ≤ Version: 5.15.167 ≤ Version: 6.1.110 ≤ Version: 6.6.51 ≤ Version: 6.10.10 ≤ |
||
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CVE-2024-50022 (GCVE-0-2024-50022)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
device-dax: correct pgoff align in dax_set_mapping()
pgoff should be aligned using ALIGN_DOWN() instead of ALIGN(). Otherwise,
vmf->address not aligned to fault_size will be aligned to the next
alignment, that can result in memory failure getting the wrong address.
It's a subtle situation that only can be observed in
page_mapped_in_vma() after the page is page fault handled by
dev_dax_huge_fault. Generally, there is little chance to perform
page_mapped_in_vma in dev-dax's page unless in specific error injection
to the dax device to trigger an MCE - memory-failure. In that case,
page_mapped_in_vma() will be triggered to determine which task is
accessing the failure address and kill that task in the end.
We used self-developed dax device (which is 2M aligned mapping) , to
perform error injection to random address. It turned out that error
injected to non-2M-aligned address was causing endless MCE until panic.
Because page_mapped_in_vma() kept resulting wrong address and the task
accessing the failure address was never killed properly:
[ 3783.719419] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3784.049006] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3784.049190] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3784.448042] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3784.448186] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3784.792026] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3784.792179] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3785.162502] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3785.162633] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3785.461116] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3785.461247] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3785.764730] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3785.764859] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3786.042128] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3786.042259] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3786.464293] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3786.464423] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3786.818090] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3786.818217] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
[ 3787.085297] mce: Uncorrected hardware memory error in user-access at
200c9742380
[ 3787.085424] Memory failure: 0x200c9742: recovery action for dax page:
Recovered
It took us several weeks to pinpoint this problem, but we eventually
used bpftrace to trace the page fault and mce address and successfully
identified the issue.
Joao added:
; Likely we never reproduce in production because we always pin
: device-dax regions in the region align they provide (Qemu does
: similarly with prealloc in hugetlb/file backed memory). I think this
: bug requires that we touch *unpinned* device-dax regions unaligned to
: the device-dax selected alignment (page size i.e. 4K/2M/1G)
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2022-49016 (GCVE-0-2022-49016)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: mdiobus: fix unbalanced node reference count
I got the following report while doing device(mscc-miim) load test
with CONFIG_OF_UNITTEST and CONFIG_OF_DYNAMIC enabled:
OF: ERROR: memory leak, expected refcount 1 instead of 2,
of_node_get()/of_node_put() unbalanced - destroy cset entry:
attach overlay node /spi/soc@0/mdio@7107009c/ethernet-phy@0
If the 'fwnode' is not an acpi node, the refcount is get in
fwnode_mdiobus_phy_device_register(), but it has never been
put when the device is freed in the normal path. So call
fwnode_handle_put() in phy_device_release() to avoid leak.
If it's an acpi node, it has never been get, but it's put
in the error path, so call fwnode_handle_get() before
phy_device_register() to keep get/put operation balanced.
References
Impacted products
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CVE-2024-44931 (GCVE-0-2024-44931)
Vulnerability from cvelistv5
Published
2024-08-26 10:11
Modified
2026-05-11 20:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
gpio: prevent potential speculation leaks in gpio_device_get_desc()
Userspace may trigger a speculative read of an address outside the gpio
descriptor array.
Users can do that by calling gpio_ioctl() with an offset out of range.
Offset is copied from user and then used as an array index to get
the gpio descriptor without sanitization in gpio_device_get_desc().
This change ensures that the offset is sanitized by using
array_index_nospec() to mitigate any possibility of speculative
information leaks.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 521a2ad6f862a28e2e43cb3e254a26bf0f9452e9 Version: 521a2ad6f862a28e2e43cb3e254a26bf0f9452e9 Version: 521a2ad6f862a28e2e43cb3e254a26bf0f9452e9 Version: 521a2ad6f862a28e2e43cb3e254a26bf0f9452e9 Version: 521a2ad6f862a28e2e43cb3e254a26bf0f9452e9 Version: 521a2ad6f862a28e2e43cb3e254a26bf0f9452e9 Version: 521a2ad6f862a28e2e43cb3e254a26bf0f9452e9 Version: 521a2ad6f862a28e2e43cb3e254a26bf0f9452e9 |
||
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CVE-2024-47744 (GCVE-0-2024-47744)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-11 20:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock
Use a dedicated mutex to guard kvm_usage_count to fix a potential deadlock
on x86 due to a chain of locks and SRCU synchronizations. Translating the
below lockdep splat, CPU1 #6 will wait on CPU0 #1, CPU0 #8 will wait on
CPU2 #3, and CPU2 #7 will wait on CPU1 #4 (if there's a writer, due to the
fairness of r/w semaphores).
CPU0 CPU1 CPU2
1 lock(&kvm->slots_lock);
2 lock(&vcpu->mutex);
3 lock(&kvm->srcu);
4 lock(cpu_hotplug_lock);
5 lock(kvm_lock);
6 lock(&kvm->slots_lock);
7 lock(cpu_hotplug_lock);
8 sync(&kvm->srcu);
Note, there are likely more potential deadlocks in KVM x86, e.g. the same
pattern of taking cpu_hotplug_lock outside of kvm_lock likely exists with
__kvmclock_cpufreq_notifier():
cpuhp_cpufreq_online()
|
-> cpufreq_online()
|
-> cpufreq_gov_performance_limits()
|
-> __cpufreq_driver_target()
|
-> __target_index()
|
-> cpufreq_freq_transition_begin()
|
-> cpufreq_notify_transition()
|
-> ... __kvmclock_cpufreq_notifier()
But, actually triggering such deadlocks is beyond rare due to the
combination of dependencies and timings involved. E.g. the cpufreq
notifier is only used on older CPUs without a constant TSC, mucking with
the NX hugepage mitigation while VMs are running is very uncommon, and
doing so while also onlining/offlining a CPU (necessary to generate
contention on cpu_hotplug_lock) would be even more unusual.
The most robust solution to the general cpu_hotplug_lock issue is likely
to switch vm_list to be an RCU-protected list, e.g. so that x86's cpufreq
notifier doesn't to take kvm_lock. For now, settle for fixing the most
blatant deadlock, as switching to an RCU-protected list is a much more
involved change, but add a comment in locking.rst to call out that care
needs to be taken when walking holding kvm_lock and walking vm_list.
======================================================
WARNING: possible circular locking dependency detected
6.10.0-smp--c257535a0c9d-pip #330 Tainted: G S O
------------------------------------------------------
tee/35048 is trying to acquire lock:
ff6a80eced71e0a8 (&kvm->slots_lock){+.+.}-{3:3}, at: set_nx_huge_pages+0x179/0x1e0 [kvm]
but task is already holding lock:
ffffffffc07abb08 (kvm_lock){+.+.}-{3:3}, at: set_nx_huge_pages+0x14a/0x1e0 [kvm]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (kvm_lock){+.+.}-{3:3}:
__mutex_lock+0x6a/0xb40
mutex_lock_nested+0x1f/0x30
kvm_dev_ioctl+0x4fb/0xe50 [kvm]
__se_sys_ioctl+0x7b/0xd0
__x64_sys_ioctl+0x21/0x30
x64_sys_call+0x15d0/0x2e60
do_syscall_64+0x83/0x160
entry_SYSCALL_64_after_hwframe+0x76/0x7e
-> #2 (cpu_hotplug_lock){++++}-{0:0}:
cpus_read_lock+0x2e/0xb0
static_key_slow_inc+0x16/0x30
kvm_lapic_set_base+0x6a/0x1c0 [kvm]
kvm_set_apic_base+0x8f/0xe0 [kvm]
kvm_set_msr_common+0x9ae/0xf80 [kvm]
vmx_set_msr+0xa54/0xbe0 [kvm_intel]
__kvm_set_msr+0xb6/0x1a0 [kvm]
kvm_arch_vcpu_ioctl+0xeca/0x10c0 [kvm]
kvm_vcpu_ioctl+0x485/0x5b0 [kvm]
__se_sys_ioctl+0x7b/0xd0
__x64_sys_ioctl+0x21/0x30
x64_sys_call+0x15d0/0x2e60
do_syscall_64+0x83/0x160
entry_SYSCALL_64_after_hwframe+0x76/0x7e
-> #1 (&kvm->srcu){.+.+}-{0:0}:
__synchronize_srcu+0x44/0x1a0
---truncated---
References
| URL | Tags | |
|---|---|---|
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock\n\nUse a dedicated mutex to guard kvm_usage_count to fix a potential deadlock\non x86 due to a chain of locks and SRCU synchronizations. Translating the\nbelow lockdep splat, CPU1 #6 will wait on CPU0 #1, CPU0 #8 will wait on\nCPU2 #3, and CPU2 #7 will wait on CPU1 #4 (if there\u0027s a writer, due to the\nfairness of r/w semaphores).\n\n CPU0 CPU1 CPU2\n1 lock(\u0026kvm-\u003eslots_lock);\n2 lock(\u0026vcpu-\u003emutex);\n3 lock(\u0026kvm-\u003esrcu);\n4 lock(cpu_hotplug_lock);\n5 lock(kvm_lock);\n6 lock(\u0026kvm-\u003eslots_lock);\n7 lock(cpu_hotplug_lock);\n8 sync(\u0026kvm-\u003esrcu);\n\nNote, there are likely more potential deadlocks in KVM x86, e.g. the same\npattern of taking cpu_hotplug_lock outside of kvm_lock likely exists with\n__kvmclock_cpufreq_notifier():\n\n cpuhp_cpufreq_online()\n |\n -\u003e cpufreq_online()\n |\n -\u003e cpufreq_gov_performance_limits()\n |\n -\u003e __cpufreq_driver_target()\n |\n -\u003e __target_index()\n |\n -\u003e cpufreq_freq_transition_begin()\n |\n -\u003e cpufreq_notify_transition()\n |\n -\u003e ... __kvmclock_cpufreq_notifier()\n\nBut, actually triggering such deadlocks is beyond rare due to the\ncombination of dependencies and timings involved. E.g. the cpufreq\nnotifier is only used on older CPUs without a constant TSC, mucking with\nthe NX hugepage mitigation while VMs are running is very uncommon, and\ndoing so while also onlining/offlining a CPU (necessary to generate\ncontention on cpu_hotplug_lock) would be even more unusual.\n\nThe most robust solution to the general cpu_hotplug_lock issue is likely\nto switch vm_list to be an RCU-protected list, e.g. so that x86\u0027s cpufreq\nnotifier doesn\u0027t to take kvm_lock. For now, settle for fixing the most\nblatant deadlock, as switching to an RCU-protected list is a much more\ninvolved change, but add a comment in locking.rst to call out that care\nneeds to be taken when walking holding kvm_lock and walking vm_list.\n\n ======================================================\n WARNING: possible circular locking dependency detected\n 6.10.0-smp--c257535a0c9d-pip #330 Tainted: G S O\n ------------------------------------------------------\n tee/35048 is trying to acquire lock:\n ff6a80eced71e0a8 (\u0026kvm-\u003eslots_lock){+.+.}-{3:3}, at: set_nx_huge_pages+0x179/0x1e0 [kvm]\n\n but task is already holding lock:\n ffffffffc07abb08 (kvm_lock){+.+.}-{3:3}, at: set_nx_huge_pages+0x14a/0x1e0 [kvm]\n\n which lock already depends on the new lock.\n\n the existing dependency chain (in reverse order) is:\n\n -\u003e #3 (kvm_lock){+.+.}-{3:3}:\n __mutex_lock+0x6a/0xb40\n mutex_lock_nested+0x1f/0x30\n kvm_dev_ioctl+0x4fb/0xe50 [kvm]\n __se_sys_ioctl+0x7b/0xd0\n __x64_sys_ioctl+0x21/0x30\n x64_sys_call+0x15d0/0x2e60\n do_syscall_64+0x83/0x160\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n -\u003e #2 (cpu_hotplug_lock){++++}-{0:0}:\n cpus_read_lock+0x2e/0xb0\n static_key_slow_inc+0x16/0x30\n kvm_lapic_set_base+0x6a/0x1c0 [kvm]\n kvm_set_apic_base+0x8f/0xe0 [kvm]\n kvm_set_msr_common+0x9ae/0xf80 [kvm]\n vmx_set_msr+0xa54/0xbe0 [kvm_intel]\n __kvm_set_msr+0xb6/0x1a0 [kvm]\n kvm_arch_vcpu_ioctl+0xeca/0x10c0 [kvm]\n kvm_vcpu_ioctl+0x485/0x5b0 [kvm]\n __se_sys_ioctl+0x7b/0xd0\n __x64_sys_ioctl+0x21/0x30\n x64_sys_call+0x15d0/0x2e60\n do_syscall_64+0x83/0x160\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n -\u003e #1 (\u0026kvm-\u003esrcu){.+.+}-{0:0}:\n __synchronize_srcu+0x44/0x1a0\n \n---truncated---"
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CVE-2024-47663 (GCVE-0-2024-47663)
Vulnerability from cvelistv5
Published
2024-10-09 14:13
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: iio: frequency: ad9834: Validate frequency parameter value
In ad9834_write_frequency() clk_get_rate() can return 0. In such case
ad9834_calc_freqreg() call will lead to division by zero. Checking
'if (fout > (clk_freq / 2))' doesn't protect in case of 'fout' is 0.
ad9834_write_frequency() is called from ad9834_write(), where fout is
taken from text buffer, which can contain any value.
Modify parameters checking.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 12b9d5bf76bfa20d3207ef24fca9c8254a586a58 Version: 12b9d5bf76bfa20d3207ef24fca9c8254a586a58 Version: 12b9d5bf76bfa20d3207ef24fca9c8254a586a58 Version: 12b9d5bf76bfa20d3207ef24fca9c8254a586a58 Version: 12b9d5bf76bfa20d3207ef24fca9c8254a586a58 Version: 12b9d5bf76bfa20d3207ef24fca9c8254a586a58 Version: 12b9d5bf76bfa20d3207ef24fca9c8254a586a58 Version: 12b9d5bf76bfa20d3207ef24fca9c8254a586a58 |
||
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CVE-2024-49899 (GCVE-0-2024-49899)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Initialize denominators' default to 1
[WHAT & HOW]
Variables used as denominators and maybe not assigned to other values,
should not be 0. Change their default to 1 so they are never 0.
This fixes 10 DIVIDE_BY_ZERO issues reported by Coverity.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50049 (GCVE-0-2024-50049)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check null pointer before dereferencing se
[WHAT & HOW]
se is null checked previously in the same function, indicating
it might be null; therefore, it must be checked when used again.
This fixes 1 FORWARD_NULL issue reported by Coverity.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 93c2340bdc24b6067a7621e71d4aacac1f85b5f2 Version: 93c2340bdc24b6067a7621e71d4aacac1f85b5f2 Version: 93c2340bdc24b6067a7621e71d4aacac1f85b5f2 Version: 93c2340bdc24b6067a7621e71d4aacac1f85b5f2 Version: 93c2340bdc24b6067a7621e71d4aacac1f85b5f2 Version: 93c2340bdc24b6067a7621e71d4aacac1f85b5f2 |
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CVE-2024-46851 (GCVE-0-2024-46851)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Avoid race between dcn10_set_drr() and dc_state_destruct()
dc_state_destruct() nulls the resource context of the DC state. The pipe
context passed to dcn10_set_drr() is a member of this resource context.
If dc_state_destruct() is called parallel to the IRQ processing (which
calls dcn10_set_drr() at some point), we can end up using already nulled
function callback fields of struct stream_resource.
The logic in dcn10_set_drr() already tries to avoid this, by checking tg
against NULL. But if the nulling happens exactly after the NULL check and
before the next access, then we get a race.
Avoid this by copying tg first to a local variable, and then use this
variable for all the operations. This should work, as long as nobody
frees the resource pool where the timing generators live.
(cherry picked from commit a3cc326a43bdc48fbdf53443e1027a03e309b643)
References
Impacted products
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CVE-2024-47673 (GCVE-0-2024-47673)
Vulnerability from cvelistv5
Published
2024-10-09 14:49
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: pause TCM when the firmware is stopped
Not doing so will make us send a host command to the transport while the
firmware is not alive, which will trigger a WARNING.
bad state = 0
WARNING: CPU: 2 PID: 17434 at drivers/net/wireless/intel/iwlwifi/iwl-trans.c:115 iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi]
RIP: 0010:iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi]
Call Trace:
<TASK>
iwl_mvm_send_cmd+0x40/0xc0 [iwlmvm]
iwl_mvm_config_scan+0x198/0x260 [iwlmvm]
iwl_mvm_recalc_tcm+0x730/0x11d0 [iwlmvm]
iwl_mvm_tcm_work+0x1d/0x30 [iwlmvm]
process_one_work+0x29e/0x640
worker_thread+0x2df/0x690
? rescuer_thread+0x540/0x540
kthread+0x192/0x1e0
? set_kthread_struct+0x90/0x90
ret_from_fork+0x22/0x30
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49976 (GCVE-0-2024-49976)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tracing/timerlat: Drop interface_lock in stop_kthread()
stop_kthread() is the offline callback for "trace/osnoise:online", since
commit 5bfbcd1ee57b ("tracing/timerlat: Add interface_lock around clearing
of kthread in stop_kthread()"), the following ABBA deadlock scenario is
introduced:
T1 | T2 [BP] | T3 [AP]
osnoise_hotplug_workfn() | work_for_cpu_fn() | cpuhp_thread_fun()
| _cpu_down() | osnoise_cpu_die()
mutex_lock(&interface_lock) | | stop_kthread()
| cpus_write_lock() | mutex_lock(&interface_lock)
cpus_read_lock() | cpuhp_kick_ap() |
As the interface_lock here in just for protecting the "kthread" field of
the osn_var, use xchg() instead to fix this issue. Also use
for_each_online_cpu() back in stop_per_cpu_kthreads() as it can take
cpu_read_lock() again.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47723 (GCVE-0-2024-47723)
Vulnerability from cvelistv5
Published
2024-10-21 12:13
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
jfs: fix out-of-bounds in dbNextAG() and diAlloc()
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greater or same than MAXAG due to a polluted image, which causes an
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prevented.
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MAXAG should be added in diAlloc() to prevent out-of-bounds.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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"value": "AV:L - The vulnerability is reached through ordinary local syscalls (mkdir/creat/symlink) on a mounted JFS filesystem, after the attacker supplies a crafted image via removable media or a disk image file. There is no network-facing path to JFS metadata parsing.\nAC:L - Every input is deterministic on-disk metadata the attacker fully controls (dn_numag, db_agl2size, iag-\u003eagstart), and the decisive overlap of im_agctl[128] with the im_ipimap inode pointer is fixed by struct layout, so no race, no heap grooming, and no memory-layout luck is required.\nPR:L - Only an unprivileged local session user is needed in the realistic case: udisks2/polkit auto-mounts jfs removable media read-write for the active desktop/kiosk user, and triggering the OOB then requires nothing more than creating a file on that mount.\nUI:N - The attacker performs both steps themselves \u2014 inserting/mounting the malicious image and issuing the file-creation syscall \u2014 so no separate victim needs to act.\nS:U - The corruption is confined to kernel heap objects owned by the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - dbNextAG() reads db_agfree[]/db_active[] arbitrarily far past the kmalloc\u0027d struct bmap and diAlloc() reads im_agctl[] out of bounds, leaking adjacent kernel heap contents into allocation decisions; the overwritten im_ipimap pointer additionally yields a controlled-dereference read primitive.\nI:H - imap-\u003eim_agctl[128].inofree/.extfree write attacker-chosen 32-bit values directly over the struct inode *im_ipimap pointer that is subsequently dereferenced, and mutex_lock() is performed on out-of-bounds memory \u2014 a controlled kernel-pointer overwrite suitable for control-flow hijacking.\nA:H - The unbounded agpref walk in dbNextAG() dereferences unmapped memory and the corrupted im_ipimap pointer is later dereferenced, both producing a kernel oops/panic."
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CVE-2024-47707 (GCVE-0-2024-47707)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()
Blamed commit accidentally removed a check for rt->rt6i_idev being NULL,
as spotted by syzbot:
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 10998 Comm: syz-executor Not tainted 6.11.0-rc6-syzkaller-00208-g625403177711 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]
RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914
Code: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06
RSP: 0018:ffffc900047374e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0
RBP: ffffc900047375d0 R08: 0000000000000003 R09: fffff520008e6e8c
R10: dffffc0000000000 R11: fffff520008e6e8c R12: 1ffff1100fdf8f18
R13: ffff88807efc7998 R14: 0000000000000000 R15: ffff88807efc7930
FS: 0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002a80 CR3: 0000000022f62000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
addrconf_ifdown+0x15d/0x1bd0 net/ipv6/addrconf.c:3856
addrconf_notify+0x3cb/0x1020
notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93
call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]
call_netdevice_notifiers net/core/dev.c:2046 [inline]
unregister_netdevice_many_notify+0xd81/0x1c40 net/core/dev.c:11352
unregister_netdevice_many net/core/dev.c:11414 [inline]
unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11289
unregister_netdevice include/linux/netdevice.h:3129 [inline]
__tun_detach+0x6b9/0x1600 drivers/net/tun.c:685
tun_detach drivers/net/tun.c:701 [inline]
tun_chr_close+0x108/0x1b0 drivers/net/tun.c:3510
__fput+0x24a/0x8a0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:228
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2f/0x27f0 kernel/exit.c:882
do_group_exit+0x207/0x2c0 kernel/exit.c:1031
__do_sys_exit_group kernel/exit.c:1042 [inline]
__se_sys_exit_group kernel/exit.c:1040 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040
x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1acc77def9
Code: Unable to access opcode bytes at 0x7f1acc77decf.
RSP: 002b:00007ffeb26fa738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1acc77def9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
RBP: 00007f1acc7dd508 R08: 00007ffeb26f84d7 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffeb26fa8e0
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]
RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914
Code: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06
RSP: 0018:ffffc900047374e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0
R
---truncated---
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e332bc67cf5e5e5b71a1aec9750d0791aac65183 Version: e332bc67cf5e5e5b71a1aec9750d0791aac65183 Version: e332bc67cf5e5e5b71a1aec9750d0791aac65183 Version: e332bc67cf5e5e5b71a1aec9750d0791aac65183 Version: e332bc67cf5e5e5b71a1aec9750d0791aac65183 Version: e332bc67cf5e5e5b71a1aec9750d0791aac65183 Version: e332bc67cf5e5e5b71a1aec9750d0791aac65183 Version: e332bc67cf5e5e5b71a1aec9750d0791aac65183 Version: 58d772c203ee57c45620730198bc2d9ded7a1464 Version: 4.2.5 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()\n\nBlamed commit accidentally removed a check for rt-\u003ert6i_idev being NULL,\nas spotted by syzbot:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 1 UID: 0 PID: 10998 Comm: syz-executor Not tainted 6.11.0-rc6-syzkaller-00208-g625403177711 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\n RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]\n RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914\nCode: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df \u003c80\u003e 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06\nRSP: 0018:ffffc900047374e0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0\nRBP: ffffc900047375d0 R08: 0000000000000003 R09: fffff520008e6e8c\nR10: dffffc0000000000 R11: fffff520008e6e8c R12: 1ffff1100fdf8f18\nR13: ffff88807efc7998 R14: 0000000000000000 R15: ffff88807efc7930\nFS: 0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000020002a80 CR3: 0000000022f62000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n addrconf_ifdown+0x15d/0x1bd0 net/ipv6/addrconf.c:3856\n addrconf_notify+0x3cb/0x1020\n notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93\n call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]\n call_netdevice_notifiers net/core/dev.c:2046 [inline]\n unregister_netdevice_many_notify+0xd81/0x1c40 net/core/dev.c:11352\n unregister_netdevice_many net/core/dev.c:11414 [inline]\n unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11289\n unregister_netdevice include/linux/netdevice.h:3129 [inline]\n __tun_detach+0x6b9/0x1600 drivers/net/tun.c:685\n tun_detach drivers/net/tun.c:701 [inline]\n tun_chr_close+0x108/0x1b0 drivers/net/tun.c:3510\n __fput+0x24a/0x8a0 fs/file_table.c:422\n task_work_run+0x24f/0x310 kernel/task_work.c:228\n exit_task_work include/linux/task_work.h:40 [inline]\n do_exit+0xa2f/0x27f0 kernel/exit.c:882\n do_group_exit+0x207/0x2c0 kernel/exit.c:1031\n __do_sys_exit_group kernel/exit.c:1042 [inline]\n __se_sys_exit_group kernel/exit.c:1040 [inline]\n __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040\n x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f1acc77def9\nCode: Unable to access opcode bytes at 0x7f1acc77decf.\nRSP: 002b:00007ffeb26fa738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1acc77def9\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043\nRBP: 00007f1acc7dd508 R08: 00007ffeb26f84d7 R09: 0000000000000003\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001\nR13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffeb26fa8e0\n \u003c/TASK\u003e\nModules linked in:\n---[ end trace 0000000000000000 ]---\n RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline]\n RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914\nCode: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df \u003c80\u003e 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06\nRSP: 0018:ffffc900047374e0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000\nRDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0\nR\n---truncated---"
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CVE-2024-47713 (GCVE-0-2024-47713)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop()
Since '__dev_queue_xmit()' should be called with interrupts enabled,
the following backtrace:
ieee80211_do_stop()
...
spin_lock_irqsave(&local->queue_stop_reason_lock, flags)
...
ieee80211_free_txskb()
ieee80211_report_used_skb()
ieee80211_report_ack_skb()
cfg80211_mgmt_tx_status_ext()
nl80211_frame_tx_status()
genlmsg_multicast_netns()
genlmsg_multicast_netns_filtered()
nlmsg_multicast_filtered()
netlink_broadcast_filtered()
do_one_broadcast()
netlink_broadcast_deliver()
__netlink_sendskb()
netlink_deliver_tap()
__netlink_deliver_tap_skb()
dev_queue_xmit()
__dev_queue_xmit() ; with IRQS disabled
...
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags)
issues the warning (as reported by syzbot reproducer):
WARNING: CPU: 2 PID: 5128 at kernel/softirq.c:362 __local_bh_enable_ip+0xc3/0x120
Fix this by implementing a two-phase skb reclamation in
'ieee80211_do_stop()', where actual work is performed
outside of a section with interrupts disabled.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 5061b0c2b9066de426fbc63f1278d2210e789412 Version: 5061b0c2b9066de426fbc63f1278d2210e789412 Version: 5061b0c2b9066de426fbc63f1278d2210e789412 Version: 5061b0c2b9066de426fbc63f1278d2210e789412 Version: 5061b0c2b9066de426fbc63f1278d2210e789412 Version: 5061b0c2b9066de426fbc63f1278d2210e789412 Version: 5061b0c2b9066de426fbc63f1278d2210e789412 Version: 5061b0c2b9066de426fbc63f1278d2210e789412 Version: 5061b0c2b9066de426fbc63f1278d2210e789412 |
||
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CVE-2024-50264 (GCVE-0-2024-50264)
Vulnerability from cvelistv5
Published
2024-11-19 01:29
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans
During loopback communication, a dangling pointer can be created in
vsk->trans, potentially leading to a Use-After-Free condition. This
issue is resolved by initializing vsk->trans to NULL.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 06a8fc78367d070720af960dcecec917d3ae5f3b Version: 06a8fc78367d070720af960dcecec917d3ae5f3b Version: 06a8fc78367d070720af960dcecec917d3ae5f3b Version: 06a8fc78367d070720af960dcecec917d3ae5f3b Version: 06a8fc78367d070720af960dcecec917d3ae5f3b Version: 06a8fc78367d070720af960dcecec917d3ae5f3b Version: 06a8fc78367d070720af960dcecec917d3ae5f3b Version: 06a8fc78367d070720af960dcecec917d3ae5f3b |
||
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CVE-2024-53068 (GCVE-0-2024-53068)
Vulnerability from cvelistv5
Published
2024-11-19 17:22
Modified
2026-05-11 20:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
firmware: arm_scmi: Fix slab-use-after-free in scmi_bus_notifier()
The scmi_dev->name is released prematurely in __scmi_device_destroy(),
which causes slab-use-after-free when accessing scmi_dev->name in
scmi_bus_notifier(). So move the release of scmi_dev->name to
scmi_device_release() to avoid slab-use-after-free.
| BUG: KASAN: slab-use-after-free in strncmp+0xe4/0xec
| Read of size 1 at addr ffffff80a482bcc0 by task swapper/0/1
|
| CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.6.38-debug #1
| Hardware name: Qualcomm Technologies, Inc. SA8775P Ride (DT)
| Call trace:
| dump_backtrace+0x94/0x114
| show_stack+0x18/0x24
| dump_stack_lvl+0x48/0x60
| print_report+0xf4/0x5b0
| kasan_report+0xa4/0xec
| __asan_report_load1_noabort+0x20/0x2c
| strncmp+0xe4/0xec
| scmi_bus_notifier+0x5c/0x54c
| notifier_call_chain+0xb4/0x31c
| blocking_notifier_call_chain+0x68/0x9c
| bus_notify+0x54/0x78
| device_del+0x1bc/0x840
| device_unregister+0x20/0xb4
| __scmi_device_destroy+0xac/0x280
| scmi_device_destroy+0x94/0xd0
| scmi_chan_setup+0x524/0x750
| scmi_probe+0x7fc/0x1508
| platform_probe+0xc4/0x19c
| really_probe+0x32c/0x99c
| __driver_probe_device+0x15c/0x3c4
| driver_probe_device+0x5c/0x170
| __driver_attach+0x1c8/0x440
| bus_for_each_dev+0xf4/0x178
| driver_attach+0x3c/0x58
| bus_add_driver+0x234/0x4d4
| driver_register+0xf4/0x3c0
| __platform_driver_register+0x60/0x88
| scmi_driver_init+0xb0/0x104
| do_one_initcall+0xb4/0x664
| kernel_init_freeable+0x3c8/0x894
| kernel_init+0x24/0x1e8
| ret_from_fork+0x10/0x20
|
| Allocated by task 1:
| kasan_save_stack+0x2c/0x54
| kasan_set_track+0x2c/0x40
| kasan_save_alloc_info+0x24/0x34
| __kasan_kmalloc+0xa0/0xb8
| __kmalloc_node_track_caller+0x6c/0x104
| kstrdup+0x48/0x84
| kstrdup_const+0x34/0x40
| __scmi_device_create.part.0+0x8c/0x408
| scmi_device_create+0x104/0x370
| scmi_chan_setup+0x2a0/0x750
| scmi_probe+0x7fc/0x1508
| platform_probe+0xc4/0x19c
| really_probe+0x32c/0x99c
| __driver_probe_device+0x15c/0x3c4
| driver_probe_device+0x5c/0x170
| __driver_attach+0x1c8/0x440
| bus_for_each_dev+0xf4/0x178
| driver_attach+0x3c/0x58
| bus_add_driver+0x234/0x4d4
| driver_register+0xf4/0x3c0
| __platform_driver_register+0x60/0x88
| scmi_driver_init+0xb0/0x104
| do_one_initcall+0xb4/0x664
| kernel_init_freeable+0x3c8/0x894
| kernel_init+0x24/0x1e8
| ret_from_fork+0x10/0x20
|
| Freed by task 1:
| kasan_save_stack+0x2c/0x54
| kasan_set_track+0x2c/0x40
| kasan_save_free_info+0x38/0x5c
| __kasan_slab_free+0xe8/0x164
| __kmem_cache_free+0x11c/0x230
| kfree+0x70/0x130
| kfree_const+0x20/0x40
| __scmi_device_destroy+0x70/0x280
| scmi_device_destroy+0x94/0xd0
| scmi_chan_setup+0x524/0x750
| scmi_probe+0x7fc/0x1508
| platform_probe+0xc4/0x19c
| really_probe+0x32c/0x99c
| __driver_probe_device+0x15c/0x3c4
| driver_probe_device+0x5c/0x170
| __driver_attach+0x1c8/0x440
| bus_for_each_dev+0xf4/0x178
| driver_attach+0x3c/0x58
| bus_add_driver+0x234/0x4d4
| driver_register+0xf4/0x3c0
| __platform_driver_register+0x60/0x88
| scmi_driver_init+0xb0/0x104
| do_one_initcall+0xb4/0x664
| kernel_init_freeable+0x3c8/0x894
| kernel_init+0x24/0x1e8
| ret_from_fork+0x10/0x20
References
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Fix slab-use-after-free in scmi_bus_notifier()\n\nThe scmi_dev-\u003ename is released prematurely in __scmi_device_destroy(),\nwhich causes slab-use-after-free when accessing scmi_dev-\u003ename in\nscmi_bus_notifier(). So move the release of scmi_dev-\u003ename to\nscmi_device_release() to avoid slab-use-after-free.\n\n | BUG: KASAN: slab-use-after-free in strncmp+0xe4/0xec\n | Read of size 1 at addr ffffff80a482bcc0 by task swapper/0/1\n |\n | CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.6.38-debug #1\n | Hardware name: Qualcomm Technologies, Inc. SA8775P Ride (DT)\n | Call trace:\n | dump_backtrace+0x94/0x114\n | show_stack+0x18/0x24\n | dump_stack_lvl+0x48/0x60\n | print_report+0xf4/0x5b0\n | kasan_report+0xa4/0xec\n | __asan_report_load1_noabort+0x20/0x2c\n | strncmp+0xe4/0xec\n | scmi_bus_notifier+0x5c/0x54c\n | notifier_call_chain+0xb4/0x31c\n | blocking_notifier_call_chain+0x68/0x9c\n | bus_notify+0x54/0x78\n | device_del+0x1bc/0x840\n | device_unregister+0x20/0xb4\n | __scmi_device_destroy+0xac/0x280\n | scmi_device_destroy+0x94/0xd0\n | scmi_chan_setup+0x524/0x750\n | scmi_probe+0x7fc/0x1508\n | platform_probe+0xc4/0x19c\n | really_probe+0x32c/0x99c\n | __driver_probe_device+0x15c/0x3c4\n | driver_probe_device+0x5c/0x170\n | __driver_attach+0x1c8/0x440\n | bus_for_each_dev+0xf4/0x178\n | driver_attach+0x3c/0x58\n | bus_add_driver+0x234/0x4d4\n | driver_register+0xf4/0x3c0\n | __platform_driver_register+0x60/0x88\n | scmi_driver_init+0xb0/0x104\n | do_one_initcall+0xb4/0x664\n | kernel_init_freeable+0x3c8/0x894\n | kernel_init+0x24/0x1e8\n | ret_from_fork+0x10/0x20\n |\n | Allocated by task 1:\n | kasan_save_stack+0x2c/0x54\n | kasan_set_track+0x2c/0x40\n | kasan_save_alloc_info+0x24/0x34\n | __kasan_kmalloc+0xa0/0xb8\n | __kmalloc_node_track_caller+0x6c/0x104\n | kstrdup+0x48/0x84\n | kstrdup_const+0x34/0x40\n | __scmi_device_create.part.0+0x8c/0x408\n | scmi_device_create+0x104/0x370\n | scmi_chan_setup+0x2a0/0x750\n | scmi_probe+0x7fc/0x1508\n | platform_probe+0xc4/0x19c\n | really_probe+0x32c/0x99c\n | __driver_probe_device+0x15c/0x3c4\n | driver_probe_device+0x5c/0x170\n | __driver_attach+0x1c8/0x440\n | bus_for_each_dev+0xf4/0x178\n | driver_attach+0x3c/0x58\n | bus_add_driver+0x234/0x4d4\n | driver_register+0xf4/0x3c0\n | __platform_driver_register+0x60/0x88\n | scmi_driver_init+0xb0/0x104\n | do_one_initcall+0xb4/0x664\n | kernel_init_freeable+0x3c8/0x894\n | kernel_init+0x24/0x1e8\n | ret_from_fork+0x10/0x20\n |\n | Freed by task 1:\n | kasan_save_stack+0x2c/0x54\n | kasan_set_track+0x2c/0x40\n | kasan_save_free_info+0x38/0x5c\n | __kasan_slab_free+0xe8/0x164\n | __kmem_cache_free+0x11c/0x230\n | kfree+0x70/0x130\n | kfree_const+0x20/0x40\n | __scmi_device_destroy+0x70/0x280\n | scmi_device_destroy+0x94/0xd0\n | scmi_chan_setup+0x524/0x750\n | scmi_probe+0x7fc/0x1508\n | platform_probe+0xc4/0x19c\n | really_probe+0x32c/0x99c\n | __driver_probe_device+0x15c/0x3c4\n | driver_probe_device+0x5c/0x170\n | __driver_attach+0x1c8/0x440\n | bus_for_each_dev+0xf4/0x178\n | driver_attach+0x3c/0x58\n | bus_add_driver+0x234/0x4d4\n | driver_register+0xf4/0x3c0\n | __platform_driver_register+0x60/0x88\n | scmi_driver_init+0xb0/0x104\n | do_one_initcall+0xb4/0x664\n | kernel_init_freeable+0x3c8/0x894\n | kernel_init+0x24/0x1e8\n | ret_from_fork+0x10/0x20"
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"url": "https://git.kernel.org/stable/c/295416091e44806760ccf753aeafdafc0ae268f3"
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"title": "firmware: arm_scmi: Fix slab-use-after-free in scmi_bus_notifier()",
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"cveMetadata": {
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"assignerShortName": "Linux",
"cveId": "CVE-2024-53068",
"datePublished": "2024-11-19T17:22:36.650Z",
"dateReserved": "2024-11-19T17:17:24.975Z",
"dateUpdated": "2026-05-11T20:50:13.909Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
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CVE-2024-47672 (GCVE-0-2024-47672)
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
"containers": {
"cna": {
"providerMetadata": {
"dateUpdated": "2026-01-05T11:10:22.327Z",
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"datePublished": "2024-10-09T14:49:13.646Z",
"dateRejected": "2026-01-05T11:10:22.327Z",
"dateReserved": "2024-09-30T16:00:12.936Z",
"dateUpdated": "2026-01-05T11:10:22.327Z",
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CVE-2024-47719 (GCVE-0-2024-47719)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-11 20:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iommufd: Protect against overflow of ALIGN() during iova allocation
Userspace can supply an iova and uptr such that the target iova alignment
becomes really big and ALIGN() overflows which corrupts the selected area
range during allocation. CONFIG_IOMMUFD_TEST can detect this:
WARNING: CPU: 1 PID: 5092 at drivers/iommu/iommufd/io_pagetable.c:268 iopt_alloc_area_pages drivers/iommu/iommufd/io_pagetable.c:268 [inline]
WARNING: CPU: 1 PID: 5092 at drivers/iommu/iommufd/io_pagetable.c:268 iopt_map_pages+0xf95/0x1050 drivers/iommu/iommufd/io_pagetable.c:352
Modules linked in:
CPU: 1 PID: 5092 Comm: syz-executor294 Not tainted 6.10.0-rc5-syzkaller-00294-g3ffea9a7a6f7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:iopt_alloc_area_pages drivers/iommu/iommufd/io_pagetable.c:268 [inline]
RIP: 0010:iopt_map_pages+0xf95/0x1050 drivers/iommu/iommufd/io_pagetable.c:352
Code: fc e9 a4 f3 ff ff e8 1a 8b 4c fc 41 be e4 ff ff ff e9 8a f3 ff ff e8 0a 8b 4c fc 90 0f 0b 90 e9 37 f5 ff ff e8 fc 8a 4c fc 90 <0f> 0b 90 e9 68 f3 ff ff 48 c7 c1 ec 82 ad 8f 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90003ebf9e0 EFLAGS: 00010293
RAX: ffffffff85499fa4 RBX: 00000000ffffffef RCX: ffff888079b49e00
RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000
RBP: ffffc90003ebfc50 R08: ffffffff85499b30 R09: ffffffff85499942
R10: 0000000000000002 R11: ffff888079b49e00 R12: ffff8880228e0010
R13: 0000000000000000 R14: 1ffff920007d7f68 R15: ffffc90003ebfd00
FS: 000055557d760380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005fdeb8 CR3: 000000007404a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
iommufd_ioas_copy+0x610/0x7b0 drivers/iommu/iommufd/ioas.c:274
iommufd_fops_ioctl+0x4d9/0x5a0 drivers/iommu/iommufd/main.c:421
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Cap the automatic alignment to the huge page size, which is probably a
better idea overall. Huge automatic alignments can fragment and chew up
the available IOVA space without any reason.
References
| URL | Tags | |
|---|---|---|
Impacted products
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Protect against overflow of ALIGN() during iova allocation\n\nUserspace can supply an iova and uptr such that the target iova alignment\nbecomes really big and ALIGN() overflows which corrupts the selected area\nrange during allocation. CONFIG_IOMMUFD_TEST can detect this:\n\n WARNING: CPU: 1 PID: 5092 at drivers/iommu/iommufd/io_pagetable.c:268 iopt_alloc_area_pages drivers/iommu/iommufd/io_pagetable.c:268 [inline]\n WARNING: CPU: 1 PID: 5092 at drivers/iommu/iommufd/io_pagetable.c:268 iopt_map_pages+0xf95/0x1050 drivers/iommu/iommufd/io_pagetable.c:352\n Modules linked in:\n CPU: 1 PID: 5092 Comm: syz-executor294 Not tainted 6.10.0-rc5-syzkaller-00294-g3ffea9a7a6f7 #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024\n RIP: 0010:iopt_alloc_area_pages drivers/iommu/iommufd/io_pagetable.c:268 [inline]\n RIP: 0010:iopt_map_pages+0xf95/0x1050 drivers/iommu/iommufd/io_pagetable.c:352\n Code: fc e9 a4 f3 ff ff e8 1a 8b 4c fc 41 be e4 ff ff ff e9 8a f3 ff ff e8 0a 8b 4c fc 90 0f 0b 90 e9 37 f5 ff ff e8 fc 8a 4c fc 90 \u003c0f\u003e 0b 90 e9 68 f3 ff ff 48 c7 c1 ec 82 ad 8f 80 e1 07 80 c1 03 38\n RSP: 0018:ffffc90003ebf9e0 EFLAGS: 00010293\n RAX: ffffffff85499fa4 RBX: 00000000ffffffef RCX: ffff888079b49e00\n RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000\n RBP: ffffc90003ebfc50 R08: ffffffff85499b30 R09: ffffffff85499942\n R10: 0000000000000002 R11: ffff888079b49e00 R12: ffff8880228e0010\n R13: 0000000000000000 R14: 1ffff920007d7f68 R15: ffffc90003ebfd00\n FS: 000055557d760380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00000000005fdeb8 CR3: 000000007404a000 CR4: 00000000003506f0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n \u003cTASK\u003e\n iommufd_ioas_copy+0x610/0x7b0 drivers/iommu/iommufd/ioas.c:274\n iommufd_fops_ioctl+0x4d9/0x5a0 drivers/iommu/iommufd/main.c:421\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:907 [inline]\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nCap the automatic alignment to the huge page size, which is probably a\nbetter idea overall. Huge automatic alignments can fragment and chew up\nthe available IOVA space without any reason."
}
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CVE-2024-49864 (GCVE-0-2024-49864)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
rxrpc: Fix a race between socket set up and I/O thread creation
In rxrpc_open_socket(), it sets up the socket and then sets up the I/O
thread that will handle it. This is a problem, however, as there's a gap
between the two phases in which a packet may come into rxrpc_encap_rcv()
from the UDP packet but we oops when trying to wake the not-yet created I/O
thread.
As a quick fix, just make rxrpc_encap_rcv() discard the packet if there's
no I/O thread yet.
A better, but more intrusive fix would perhaps be to rearrange things such
that the socket creation is done by the I/O thread.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2022-49023 (GCVE-0-2022-49023)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: fix buffer overflow in elem comparison
For vendor elements, the code here assumes that 5 octets
are present without checking. Since the element itself is
already checked to fit, we only need to check the length.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2022-49026 (GCVE-0-2022-49026)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
e100: Fix possible use after free in e100_xmit_prepare
In e100_xmit_prepare(), if we can't map the skb, then return -ENOMEM, so
e100_xmit_frame() will return NETDEV_TX_BUSY and the upper layer will
resend the skb. But the skb is already freed, which will cause UAF bug
when the upper layer resends the skb.
Remove the harmful free.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49965 (GCVE-0-2024-49965)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: remove unreasonable unlock in ocfs2_read_blocks
Patch series "Misc fixes for ocfs2_read_blocks", v5.
This series contains 2 fixes for ocfs2_read_blocks(). The first patch fix
the issue reported by syzbot, which detects bad unlock balance in
ocfs2_read_blocks(). The second patch fixes an issue reported by Heming
Zhao when reviewing above fix.
This patch (of 2):
There was a lock release before exiting, so remove the unreasonable unlock.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2023-52918 (GCVE-0-2023-52918)
Vulnerability from cvelistv5
Published
2024-10-22 07:37
Modified
2026-05-11 19:35
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: pci: cx23885: check cx23885_vdev_init() return
cx23885_vdev_init() can return a NULL pointer, but that pointer
is used in the next line without a check.
Add a NULL pointer check and go to the error unwind if it is NULL.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e47f30b140333525ea682ec672641b470da1e599 Version: e47f30b140333525ea682ec672641b470da1e599 Version: e47f30b140333525ea682ec672641b470da1e599 Version: e47f30b140333525ea682ec672641b470da1e599 Version: e47f30b140333525ea682ec672641b470da1e599 Version: e47f30b140333525ea682ec672641b470da1e599 Version: e47f30b140333525ea682ec672641b470da1e599 |
||
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CVE-2022-48991 (GCVE-0-2022-48991)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths
Any codepath that zaps page table entries must invoke MMU notifiers to
ensure that secondary MMUs (like KVM) don't keep accessing pages which
aren't mapped anymore. Secondary MMUs don't hold their own references to
pages that are mirrored over, so failing to notify them can lead to page
use-after-free.
I'm marking this as addressing an issue introduced in commit f3f0e1d2150b
("khugepaged: add support of collapse for tmpfs/shmem pages"), but most of
the security impact of this only came in commit 27e1f8273113 ("khugepaged:
enable collapse pmd for pte-mapped THP"), which actually omitted flushes
for the removal of present PTEs, not just for the removal of empty page
tables.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f3f0e1d2150b2b99da2cbdfaad000089efe9bf30 Version: f3f0e1d2150b2b99da2cbdfaad000089efe9bf30 Version: f3f0e1d2150b2b99da2cbdfaad000089efe9bf30 Version: f3f0e1d2150b2b99da2cbdfaad000089efe9bf30 Version: f3f0e1d2150b2b99da2cbdfaad000089efe9bf30 Version: f3f0e1d2150b2b99da2cbdfaad000089efe9bf30 Version: f3f0e1d2150b2b99da2cbdfaad000089efe9bf30 Version: f3f0e1d2150b2b99da2cbdfaad000089efe9bf30 |
||
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CVE-2022-48951 (GCVE-0-2022-48951)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-23 15:21
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ASoC: ops: Check bounds for second channel in snd_soc_put_volsw_sx()
The bounds checks in snd_soc_put_volsw_sx() are only being applied to the
first channel, meaning it is possible to write out of bounds values to the
second channel in stereo controls. Add appropriate checks.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-50101 (GCVE-0-2024-50101)
Vulnerability from cvelistv5
Published
2024-11-05 17:07
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iommu/vt-d: Fix incorrect pci_for_each_dma_alias() for non-PCI devices
Previously, the domain_context_clear() function incorrectly called
pci_for_each_dma_alias() to set up context entries for non-PCI devices.
This could lead to kernel hangs or other unexpected behavior.
Add a check to only call pci_for_each_dma_alias() for PCI devices. For
non-PCI devices, domain_context_clear_one() is called directly.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9807860f6ad446459d0446550cf4a2dc23bbee6c Version: 59862b869275c27beb25cda2054b59a8b5d04970 Version: 48f2183a4f9d3540fc5cfc8f8451621ee92c09f8 Version: 9a16ab9d640274b20813d2d17475e18d3e99d834 Version: 9a16ab9d640274b20813d2d17475e18d3e99d834 Version: 5.15.142 ≤ Version: 6.1.66 ≤ Version: 6.6.5 ≤ |
||
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CVE-2024-27043 (GCVE-0-2024-27043)
Vulnerability from cvelistv5
Published
2024-05-01 12:54
Modified
2026-08-05 11:29
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: edia: dvbdev: fix a use-after-free
In dvb_register_device, *pdvbdev is set equal to dvbdev, which is freed
in several error-handling paths. However, *pdvbdev is not set to NULL
after dvbdev's deallocation, causing use-after-frees in many places,
for example, in the following call chain:
budget_register
|-> dvb_dmxdev_init
|-> dvb_register_device
|-> dvb_dmxdev_release
|-> dvb_unregister_device
|-> dvb_remove_device
|-> dvb_device_put
|-> kref_put
When calling dvb_unregister_device, dmxdev->dvbdev (i.e. *pdvbdev in
dvb_register_device) could point to memory that had been freed in
dvb_register_device. Thereafter, this pointer is transferred to
kref_put and triggering a use-after-free.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-50040 (GCVE-0-2024-50040)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
igb: Do not bring the device up after non-fatal error
Commit 004d25060c78 ("igb: Fix igb_down hung on surprise removal")
changed igb_io_error_detected() to ignore non-fatal pcie errors in order
to avoid hung task that can happen when igb_down() is called multiple
times. This caused an issue when processing transient non-fatal errors.
igb_io_resume(), which is called after igb_io_error_detected(), assumes
that device is brought down by igb_io_error_detected() if the interface
is up. This resulted in panic with stacktrace below.
[ T3256] igb 0000:09:00.0 haeth0: igb: haeth0 NIC Link is Down
[ T292] pcieport 0000:00:1c.5: AER: Uncorrected (Non-Fatal) error received: 0000:09:00.0
[ T292] igb 0000:09:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, (Requester ID)
[ T292] igb 0000:09:00.0: device [8086:1537] error status/mask=00004000/00000000
[ T292] igb 0000:09:00.0: [14] CmpltTO [ 200.105524,009][ T292] igb 0000:09:00.0: AER: TLP Header: 00000000 00000000 00000000 00000000
[ T292] pcieport 0000:00:1c.5: AER: broadcast error_detected message
[ T292] igb 0000:09:00.0: Non-correctable non-fatal error reported.
[ T292] pcieport 0000:00:1c.5: AER: broadcast mmio_enabled message
[ T292] pcieport 0000:00:1c.5: AER: broadcast resume message
[ T292] ------------[ cut here ]------------
[ T292] kernel BUG at net/core/dev.c:6539!
[ T292] invalid opcode: 0000 [#1] PREEMPT SMP
[ T292] RIP: 0010:napi_enable+0x37/0x40
[ T292] Call Trace:
[ T292] <TASK>
[ T292] ? die+0x33/0x90
[ T292] ? do_trap+0xdc/0x110
[ T292] ? napi_enable+0x37/0x40
[ T292] ? do_error_trap+0x70/0xb0
[ T292] ? napi_enable+0x37/0x40
[ T292] ? napi_enable+0x37/0x40
[ T292] ? exc_invalid_op+0x4e/0x70
[ T292] ? napi_enable+0x37/0x40
[ T292] ? asm_exc_invalid_op+0x16/0x20
[ T292] ? napi_enable+0x37/0x40
[ T292] igb_up+0x41/0x150
[ T292] igb_io_resume+0x25/0x70
[ T292] report_resume+0x54/0x70
[ T292] ? report_frozen_detected+0x20/0x20
[ T292] pci_walk_bus+0x6c/0x90
[ T292] ? aer_print_port_info+0xa0/0xa0
[ T292] pcie_do_recovery+0x22f/0x380
[ T292] aer_process_err_devices+0x110/0x160
[ T292] aer_isr+0x1c1/0x1e0
[ T292] ? disable_irq_nosync+0x10/0x10
[ T292] irq_thread_fn+0x1a/0x60
[ T292] irq_thread+0xe3/0x1a0
[ T292] ? irq_set_affinity_notifier+0x120/0x120
[ T292] ? irq_affinity_notify+0x100/0x100
[ T292] kthread+0xe2/0x110
[ T292] ? kthread_complete_and_exit+0x20/0x20
[ T292] ret_from_fork+0x2d/0x50
[ T292] ? kthread_complete_and_exit+0x20/0x20
[ T292] ret_from_fork_asm+0x11/0x20
[ T292] </TASK>
To fix this issue igb_io_resume() checks if the interface is running and
the device is not down this means igb_io_error_detected() did not bring
the device down and there is no need to bring it up.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-50189 (GCVE-0-2024-50189)
Vulnerability from cvelistv5
Published
2024-11-08 05:43
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
HID: amd_sfh: Switch to device-managed dmam_alloc_coherent()
Using the device-managed version allows to simplify clean-up in probe()
error path.
Additionally, this device-managed ensures proper cleanup, which helps to
resolve memory errors, page faults, btrfs going read-only, and btrfs
disk corruption.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-46680 (GCVE-0-2024-46680)
Vulnerability from cvelistv5
Published
2024-09-13 05:29
Modified
2026-08-05 11:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: btnxpuart: Fix random crash seen while removing driver
This fixes the random kernel crash seen while removing the driver, when
running the load/unload test over multiple iterations.
1) modprobe btnxpuart
2) hciconfig hci0 reset
3) hciconfig (check hci0 interface up with valid BD address)
4) modprobe -r btnxpuart
Repeat steps 1 to 4
The ps_wakeup() call in btnxpuart_close() schedules the psdata->work(),
which gets scheduled after module is removed, causing a kernel crash.
This hidden issue got highlighted after enabling Power Save by default
in 4183a7be7700 (Bluetooth: btnxpuart: Enable Power Save feature on
startup)
The new ps_cleanup() deasserts UART break immediately while closing
serdev device, cancels any scheduled ps_work and destroys the ps_lock
mutex.
[ 85.884604] Unable to handle kernel paging request at virtual address ffffd4a61638f258
[ 85.884624] Mem abort info:
[ 85.884625] ESR = 0x0000000086000007
[ 85.884628] EC = 0x21: IABT (current EL), IL = 32 bits
[ 85.884633] SET = 0, FnV = 0
[ 85.884636] EA = 0, S1PTW = 0
[ 85.884638] FSC = 0x07: level 3 translation fault
[ 85.884642] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000041dd0000
[ 85.884646] [ffffd4a61638f258] pgd=1000000095fff003, p4d=1000000095fff003, pud=100000004823d003, pmd=100000004823e003, pte=0000000000000000
[ 85.884662] Internal error: Oops: 0000000086000007 [#1] PREEMPT SMP
[ 85.890932] Modules linked in: algif_hash algif_skcipher af_alg overlay fsl_jr_uio caam_jr caamkeyblob_desc caamhash_desc caamalg_desc crypto_engine authenc libdes crct10dif_ce polyval_ce polyval_generic snd_soc_imx_spdif snd_soc_imx_card snd_soc_ak5558 snd_soc_ak4458 caam secvio error snd_soc_fsl_spdif snd_soc_fsl_micfil snd_soc_fsl_sai snd_soc_fsl_utils gpio_ir_recv rc_core fuse [last unloaded: btnxpuart(O)]
[ 85.927297] CPU: 1 PID: 67 Comm: kworker/1:3 Tainted: G O 6.1.36+g937b1be4345a #1
[ 85.936176] Hardware name: FSL i.MX8MM EVK board (DT)
[ 85.936182] Workqueue: events 0xffffd4a61638f380
[ 85.936198] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 85.952817] pc : 0xffffd4a61638f258
[ 85.952823] lr : 0xffffd4a61638f258
[ 85.952827] sp : ffff8000084fbd70
[ 85.952829] x29: ffff8000084fbd70 x28: 0000000000000000 x27: 0000000000000000
[ 85.963112] x26: ffffd4a69133f000 x25: ffff4bf1c8540990 x24: ffff4bf215b87305
[ 85.963119] x23: ffff4bf215b87300 x22: ffff4bf1c85409d0 x21: ffff4bf1c8540970
[ 85.977382] x20: 0000000000000000 x19: ffff4bf1c8540880 x18: 0000000000000000
[ 85.977391] x17: 0000000000000000 x16: 0000000000000133 x15: 0000ffffe2217090
[ 85.977399] x14: 0000000000000001 x13: 0000000000000133 x12: 0000000000000139
[ 85.977407] x11: 0000000000000001 x10: 0000000000000a60 x9 : ffff8000084fbc50
[ 85.977417] x8 : ffff4bf215b7d000 x7 : ffff4bf215b83b40 x6 : 00000000000003e8
[ 85.977424] x5 : 00000000410fd030 x4 : 0000000000000000 x3 : 0000000000000000
[ 85.977432] x2 : 0000000000000000 x1 : ffff4bf1c4265880 x0 : 0000000000000000
[ 85.977443] Call trace:
[ 85.977446] 0xffffd4a61638f258
[ 85.977451] 0xffffd4a61638f3e8
[ 85.977455] process_one_work+0x1d4/0x330
[ 85.977464] worker_thread+0x6c/0x430
[ 85.977471] kthread+0x108/0x10c
[ 85.977476] ret_from_fork+0x10/0x20
[ 85.977488] Code: bad PC value
[ 85.977491] ---[ end trace 0000000000000000 ]---
Preset since v6.9.11
References
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btnxpuart: Fix random crash seen while removing driver\n\nThis fixes the random kernel crash seen while removing the driver, when\nrunning the load/unload test over multiple iterations.\n\n1) modprobe btnxpuart\n2) hciconfig hci0 reset\n3) hciconfig (check hci0 interface up with valid BD address)\n4) modprobe -r btnxpuart\nRepeat steps 1 to 4\n\nThe ps_wakeup() call in btnxpuart_close() schedules the psdata-\u003ework(),\nwhich gets scheduled after module is removed, causing a kernel crash.\n\nThis hidden issue got highlighted after enabling Power Save by default\nin 4183a7be7700 (Bluetooth: btnxpuart: Enable Power Save feature on\nstartup)\n\nThe new ps_cleanup() deasserts UART break immediately while closing\nserdev device, cancels any scheduled ps_work and destroys the ps_lock\nmutex.\n\n[ 85.884604] Unable to handle kernel paging request at virtual address ffffd4a61638f258\n[ 85.884624] Mem abort info:\n[ 85.884625] ESR = 0x0000000086000007\n[ 85.884628] EC = 0x21: IABT (current EL), IL = 32 bits\n[ 85.884633] SET = 0, FnV = 0\n[ 85.884636] EA = 0, S1PTW = 0\n[ 85.884638] FSC = 0x07: level 3 translation fault\n[ 85.884642] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000041dd0000\n[ 85.884646] [ffffd4a61638f258] pgd=1000000095fff003, p4d=1000000095fff003, pud=100000004823d003, pmd=100000004823e003, pte=0000000000000000\n[ 85.884662] Internal error: Oops: 0000000086000007 [#1] PREEMPT SMP\n[ 85.890932] Modules linked in: algif_hash algif_skcipher af_alg overlay fsl_jr_uio caam_jr caamkeyblob_desc caamhash_desc caamalg_desc crypto_engine authenc libdes crct10dif_ce polyval_ce polyval_generic snd_soc_imx_spdif snd_soc_imx_card snd_soc_ak5558 snd_soc_ak4458 caam secvio error snd_soc_fsl_spdif snd_soc_fsl_micfil snd_soc_fsl_sai snd_soc_fsl_utils gpio_ir_recv rc_core fuse [last unloaded: btnxpuart(O)]\n[ 85.927297] CPU: 1 PID: 67 Comm: kworker/1:3 Tainted: G O 6.1.36+g937b1be4345a #1\n[ 85.936176] Hardware name: FSL i.MX8MM EVK board (DT)\n[ 85.936182] Workqueue: events 0xffffd4a61638f380\n[ 85.936198] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 85.952817] pc : 0xffffd4a61638f258\n[ 85.952823] lr : 0xffffd4a61638f258\n[ 85.952827] sp : ffff8000084fbd70\n[ 85.952829] x29: ffff8000084fbd70 x28: 0000000000000000 x27: 0000000000000000\n[ 85.963112] x26: ffffd4a69133f000 x25: ffff4bf1c8540990 x24: ffff4bf215b87305\n[ 85.963119] x23: ffff4bf215b87300 x22: ffff4bf1c85409d0 x21: ffff4bf1c8540970\n[ 85.977382] x20: 0000000000000000 x19: ffff4bf1c8540880 x18: 0000000000000000\n[ 85.977391] x17: 0000000000000000 x16: 0000000000000133 x15: 0000ffffe2217090\n[ 85.977399] x14: 0000000000000001 x13: 0000000000000133 x12: 0000000000000139\n[ 85.977407] x11: 0000000000000001 x10: 0000000000000a60 x9 : ffff8000084fbc50\n[ 85.977417] x8 : ffff4bf215b7d000 x7 : ffff4bf215b83b40 x6 : 00000000000003e8\n[ 85.977424] x5 : 00000000410fd030 x4 : 0000000000000000 x3 : 0000000000000000\n[ 85.977432] x2 : 0000000000000000 x1 : ffff4bf1c4265880 x0 : 0000000000000000\n[ 85.977443] Call trace:\n[ 85.977446] 0xffffd4a61638f258\n[ 85.977451] 0xffffd4a61638f3e8\n[ 85.977455] process_one_work+0x1d4/0x330\n[ 85.977464] worker_thread+0x6c/0x430\n[ 85.977471] kthread+0x108/0x10c\n[ 85.977476] ret_from_fork+0x10/0x20\n[ 85.977488] Code: bad PC value\n[ 85.977491] ---[ end trace 0000000000000000 ]---\n\nPreset since v6.9.11"
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CVE-2024-47735 (GCVE-0-2024-47735)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled
Fix missuse of spin_lock_irq()/spin_unlock_irq() when
spin_lock_irqsave()/spin_lock_irqrestore() was hold.
This was discovered through the lock debugging, and the corresponding
log is as follows:
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 96 PID: 2074 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x30/0x40
...
Call trace:
warn_bogus_irq_restore+0x30/0x40
_raw_spin_unlock_irqrestore+0x84/0xc8
add_qp_to_list+0x11c/0x148 [hns_roce_hw_v2]
hns_roce_create_qp_common.constprop.0+0x240/0x780 [hns_roce_hw_v2]
hns_roce_create_qp+0x98/0x160 [hns_roce_hw_v2]
create_qp+0x138/0x258
ib_create_qp_kernel+0x50/0xe8
create_mad_qp+0xa8/0x128
ib_mad_port_open+0x218/0x448
ib_mad_init_device+0x70/0x1f8
add_client_context+0xfc/0x220
enable_device_and_get+0xd0/0x140
ib_register_device.part.0+0xf4/0x1c8
ib_register_device+0x34/0x50
hns_roce_register_device+0x174/0x3d0 [hns_roce_hw_v2]
hns_roce_init+0xfc/0x2c0 [hns_roce_hw_v2]
__hns_roce_hw_v2_init_instance+0x7c/0x1d0 [hns_roce_hw_v2]
hns_roce_hw_v2_init_instance+0x9c/0x180 [hns_roce_hw_v2]
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9a4435375cd151e07c0c38fa601b00115986091b Version: 9a4435375cd151e07c0c38fa601b00115986091b Version: 9a4435375cd151e07c0c38fa601b00115986091b Version: 9a4435375cd151e07c0c38fa601b00115986091b Version: 9a4435375cd151e07c0c38fa601b00115986091b Version: 9a4435375cd151e07c0c38fa601b00115986091b Version: 9a4435375cd151e07c0c38fa601b00115986091b |
||
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"url": "https://git.kernel.org/stable/c/a1a3403bb1826c8ec787f0d60c3e7b54f419129e"
},
{
"url": "https://git.kernel.org/stable/c/74d315b5af180220d561684d15897730135733a6"
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],
"title": "RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-47735",
"datePublished": "2024-10-21T12:14:05.876Z",
"dateReserved": "2024-09-30T16:00:12.958Z",
"dateUpdated": "2026-05-12T11:58:43.063Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
CVE-2024-49950 (GCVE-0-2024-49950)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: L2CAP: Fix uaf in l2cap_connect
[Syzbot reported]
BUG: KASAN: slab-use-after-free in l2cap_connect.constprop.0+0x10d8/0x1270 net/bluetooth/l2cap_core.c:3949
Read of size 8 at addr ffff8880241e9800 by task kworker/u9:0/54
CPU: 0 UID: 0 PID: 54 Comm: kworker/u9:0 Not tainted 6.11.0-rc6-syzkaller-00268-g788220eee30d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: hci2 hci_rx_work
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119
print_address_description mm/kasan/report.c:377 [inline]
print_report+0xc3/0x620 mm/kasan/report.c:488
kasan_report+0xd9/0x110 mm/kasan/report.c:601
l2cap_connect.constprop.0+0x10d8/0x1270 net/bluetooth/l2cap_core.c:3949
l2cap_connect_req net/bluetooth/l2cap_core.c:4080 [inline]
l2cap_bredr_sig_cmd net/bluetooth/l2cap_core.c:4772 [inline]
l2cap_sig_channel net/bluetooth/l2cap_core.c:5543 [inline]
l2cap_recv_frame+0xf0b/0x8eb0 net/bluetooth/l2cap_core.c:6825
l2cap_recv_acldata+0x9b4/0xb70 net/bluetooth/l2cap_core.c:7514
hci_acldata_packet net/bluetooth/hci_core.c:3791 [inline]
hci_rx_work+0xaab/0x1610 net/bluetooth/hci_core.c:4028
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
process_scheduled_works kernel/workqueue.c:3312 [inline]
worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
...
Freed by task 5245:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
poison_slab_object+0xf7/0x160 mm/kasan/common.c:240
__kasan_slab_free+0x32/0x50 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2256 [inline]
slab_free mm/slub.c:4477 [inline]
kfree+0x12a/0x3b0 mm/slub.c:4598
l2cap_conn_free net/bluetooth/l2cap_core.c:1810 [inline]
kref_put include/linux/kref.h:65 [inline]
l2cap_conn_put net/bluetooth/l2cap_core.c:1822 [inline]
l2cap_conn_del+0x59d/0x730 net/bluetooth/l2cap_core.c:1802
l2cap_connect_cfm+0x9e6/0xf80 net/bluetooth/l2cap_core.c:7241
hci_connect_cfm include/net/bluetooth/hci_core.h:1960 [inline]
hci_conn_failed+0x1c3/0x370 net/bluetooth/hci_conn.c:1265
hci_abort_conn_sync+0x75a/0xb50 net/bluetooth/hci_sync.c:5583
abort_conn_sync+0x197/0x360 net/bluetooth/hci_conn.c:2917
hci_cmd_sync_work+0x1a4/0x410 net/bluetooth/hci_sync.c:328
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
process_scheduled_works kernel/workqueue.c:3312 [inline]
worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7b064edae38d62d8587a8c574f93b53ce75ae749 Version: 7b064edae38d62d8587a8c574f93b53ce75ae749 Version: 7b064edae38d62d8587a8c574f93b53ce75ae749 Version: 7b064edae38d62d8587a8c574f93b53ce75ae749 Version: 7b064edae38d62d8587a8c574f93b53ce75ae749 Version: 7b064edae38d62d8587a8c574f93b53ce75ae749 |
||
{
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{
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"version": "6.6.55",
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{
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"status": "unaffected",
"version": "6.10.14",
"versionType": "semver"
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{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
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"cpeApplicability": [
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"nodes": [
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix uaf in l2cap_connect\n\n[Syzbot reported]\nBUG: KASAN: slab-use-after-free in l2cap_connect.constprop.0+0x10d8/0x1270 net/bluetooth/l2cap_core.c:3949\nRead of size 8 at addr ffff8880241e9800 by task kworker/u9:0/54\n\nCPU: 0 UID: 0 PID: 54 Comm: kworker/u9:0 Not tainted 6.11.0-rc6-syzkaller-00268-g788220eee30d #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nWorkqueue: hci2 hci_rx_work\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:93 [inline]\n dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0xc3/0x620 mm/kasan/report.c:488\n kasan_report+0xd9/0x110 mm/kasan/report.c:601\n l2cap_connect.constprop.0+0x10d8/0x1270 net/bluetooth/l2cap_core.c:3949\n l2cap_connect_req net/bluetooth/l2cap_core.c:4080 [inline]\n l2cap_bredr_sig_cmd net/bluetooth/l2cap_core.c:4772 [inline]\n l2cap_sig_channel net/bluetooth/l2cap_core.c:5543 [inline]\n l2cap_recv_frame+0xf0b/0x8eb0 net/bluetooth/l2cap_core.c:6825\n l2cap_recv_acldata+0x9b4/0xb70 net/bluetooth/l2cap_core.c:7514\n hci_acldata_packet net/bluetooth/hci_core.c:3791 [inline]\n hci_rx_work+0xaab/0x1610 net/bluetooth/hci_core.c:4028\n process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231\n process_scheduled_works kernel/workqueue.c:3312 [inline]\n worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389\n kthread+0x2c1/0x3a0 kernel/kthread.c:389\n ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n...\n\nFreed by task 5245:\n kasan_save_stack+0x33/0x60 mm/kasan/common.c:47\n kasan_save_track+0x14/0x30 mm/kasan/common.c:68\n kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579\n poison_slab_object+0xf7/0x160 mm/kasan/common.c:240\n __kasan_slab_free+0x32/0x50 mm/kasan/common.c:256\n kasan_slab_free include/linux/kasan.h:184 [inline]\n slab_free_hook mm/slub.c:2256 [inline]\n slab_free mm/slub.c:4477 [inline]\n kfree+0x12a/0x3b0 mm/slub.c:4598\n l2cap_conn_free net/bluetooth/l2cap_core.c:1810 [inline]\n kref_put include/linux/kref.h:65 [inline]\n l2cap_conn_put net/bluetooth/l2cap_core.c:1822 [inline]\n l2cap_conn_del+0x59d/0x730 net/bluetooth/l2cap_core.c:1802\n l2cap_connect_cfm+0x9e6/0xf80 net/bluetooth/l2cap_core.c:7241\n hci_connect_cfm include/net/bluetooth/hci_core.h:1960 [inline]\n hci_conn_failed+0x1c3/0x370 net/bluetooth/hci_conn.c:1265\n hci_abort_conn_sync+0x75a/0xb50 net/bluetooth/hci_sync.c:5583\n abort_conn_sync+0x197/0x360 net/bluetooth/hci_conn.c:2917\n hci_cmd_sync_work+0x1a4/0x410 net/bluetooth/hci_sync.c:328\n process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231\n process_scheduled_works kernel/workqueue.c:3312 [inline]\n worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389\n kthread+0x2c1/0x3a0 kernel/kthread.c:389\n ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:A - The vulnerable code is reached purely from ACL data received from a remote Bluetooth peer on the BR/EDR L2CAP signalling channel (hci_rx_work \u2192 hci_acldata_packet \u2192 l2cap_recv_acldata \u2192 l2cap_sig_channel \u2192 l2cap_connect_req). Bluetooth range constitutes an adjacent network.\nAC:L - The remote peer controls both sides of the race \u2014 it chooses when to inject the L2CAP connect request relative to link setup (the exact condition named in the Fixes: commit) and can induce the concurrent connection abort by failing the security escalation its own request triggers or by repeated connect/teardown. The attempt is free to repeat until it wins.\nPR:N - L2CAP signalling commands are processed on an unauthenticated, unpaired ACL link; the hci_conn_check_link_mode() security check sits inside l2cap_connect() and executes only after the use-after-free dereference. No credentials or local account are needed.\nUI:N - Processing of an inbound ACL connection and its L2CAP connect request happens automatically in the kernel rx workqueue on any connectable device. No victim action is required.\nS:U - The corruption and its consequences are confined to the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The freed struct l2cap_conn is read back and its embedded pointers (conn-\u003ehcon, conn-\u003ehcon-\u003ehdev) are chased; since the object comes from a general kmalloc cache reclaimable by sprayed data, an attacker can steer those dereferences to disclose arbitrary kernel memory.\nI:H - Execution continues writing into the freed object \u2014 conn-\u003einfo_state, conn-\u003einfo_ident, conn-\u003ehcon-\u003edisc_timeout, a list_add into freed conn-\u003echan_l, and schedule_delayed_work() on a work_struct with an attacker-reclaimable function pointer \u2014 giving a write and control-flow-hijack primitive.\nA:H - The use-after-free reliably oopses the kernel in the Bluetooth rx workqueue (as KASAN reported), and mutex_lock on freed memory plus a queued timer in reclaimed slab cause panics or corruption-induced crashes."
}
]
}
],
"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"url": "https://git.kernel.org/stable/c/333b4fd11e89b29c84c269123f871883a30be586"
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"title": "Bluetooth: L2CAP: Fix uaf in l2cap_connect",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-49950",
"datePublished": "2024-10-21T18:02:06.387Z",
"dateReserved": "2024-10-21T12:17:06.046Z",
"dateUpdated": "2026-08-05T11:40:37.563Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-26741 (GCVE-0-2024-26741)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2026-05-11 20:03
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
dccp/tcp: Unhash sk from ehash for tb2 alloc failure after check_estalblished().
syzkaller reported a warning [0] in inet_csk_destroy_sock() with no
repro.
WARN_ON(inet_sk(sk)->inet_num && !inet_csk(sk)->icsk_bind_hash);
However, the syzkaller's log hinted that connect() failed just before
the warning due to FAULT_INJECTION. [1]
When connect() is called for an unbound socket, we search for an
available ephemeral port. If a bhash bucket exists for the port, we
call __inet_check_established() or __inet6_check_established() to check
if the bucket is reusable.
If reusable, we add the socket into ehash and set inet_sk(sk)->inet_num.
Later, we look up the corresponding bhash2 bucket and try to allocate
it if it does not exist.
Although it rarely occurs in real use, if the allocation fails, we must
revert the changes by check_established(). Otherwise, an unconnected
socket could illegally occupy an ehash entry.
Note that we do not put tw back into ehash because sk might have
already responded to a packet for tw and it would be better to free
tw earlier under such memory presure.
[0]:
WARNING: CPU: 0 PID: 350830 at net/ipv4/inet_connection_sock.c:1193 inet_csk_destroy_sock (net/ipv4/inet_connection_sock.c:1193)
Modules linked in:
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:inet_csk_destroy_sock (net/ipv4/inet_connection_sock.c:1193)
Code: 41 5c 41 5d 41 5e e9 2d 4a 3d fd e8 28 4a 3d fd 48 89 ef e8 f0 cd 7d ff 5b 5d 41 5c 41 5d 41 5e e9 13 4a 3d fd e8 0e 4a 3d fd <0f> 0b e9 61 fe ff ff e8 02 4a 3d fd 4c 89 e7 be 03 00 00 00 e8 05
RSP: 0018:ffffc9000b21fd38 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000009e78 RCX: ffffffff840bae40
RDX: ffff88806e46c600 RSI: ffffffff840bb012 RDI: ffff88811755cca8
RBP: ffff88811755c880 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000009e78 R11: 0000000000000000 R12: ffff88811755c8e0
R13: ffff88811755c892 R14: ffff88811755c918 R15: 0000000000000000
FS: 00007f03e5243800(0000) GS:ffff88811ae00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32f21000 CR3: 0000000112ffe001 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
<TASK>
? inet_csk_destroy_sock (net/ipv4/inet_connection_sock.c:1193)
dccp_close (net/dccp/proto.c:1078)
inet_release (net/ipv4/af_inet.c:434)
__sock_release (net/socket.c:660)
sock_close (net/socket.c:1423)
__fput (fs/file_table.c:377)
__fput_sync (fs/file_table.c:462)
__x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
RIP: 0033:0x7f03e53852bb
Code: 03 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 43 c9 f5 ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 c9 f5 ff 8b 44
RSP: 002b:00000000005dfba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f03e53852bb
RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000167c
R10: 0000000008a79680 R11: 0000000000000293 R12: 00007f03e4e43000
R13: 00007f03e4e43170 R14: 00007f03e4e43178 R15: 00007f03e4e43170
</TASK>
[1]:
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 350833 Comm: syz-executor.1 Not tainted 6.7.0-12272-g2121c43f88f5 #9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1))
should_fail_ex (lib/fault-inject.c:52 lib/fault-inject.c:153)
should_failslab (mm/slub.c:3748)
kmem_cache_alloc (mm/slub.c:3763 mm/slub.c:3842 mm/slub.c:3867)
inet_bind2_bucket_create
---truncated---
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-46864 (GCVE-0-2024-46864)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
x86/hyperv: fix kexec crash due to VP assist page corruption
commit 9636be85cc5b ("x86/hyperv: Fix hyperv_pcpu_input_arg handling when
CPUs go online/offline") introduces a new cpuhp state for hyperv
initialization.
cpuhp_setup_state() returns the state number if state is
CPUHP_AP_ONLINE_DYN or CPUHP_BP_PREPARE_DYN and 0 for all other states.
For the hyperv case, since a new cpuhp state was introduced it would
return 0. However, in hv_machine_shutdown(), the cpuhp_remove_state() call
is conditioned upon "hyperv_init_cpuhp > 0". This will never be true and
so hv_cpu_die() won't be called on all CPUs. This means the VP assist page
won't be reset. When the kexec kernel tries to setup the VP assist page
again, the hypervisor corrupts the memory region of the old VP assist page
causing a panic in case the kexec kernel is using that memory elsewhere.
This was originally fixed in commit dfe94d4086e4 ("x86/hyperv: Fix kexec
panic/hang issues").
Get rid of hyperv_init_cpuhp entirely since we are no longer using a
dynamic cpuhp state and use CPUHP_AP_HYPERV_ONLINE directly with
cpuhp_remove_state().
References
Impacted products
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CVE-2024-47703 (GCVE-0-2024-47703)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf, lsm: Add check for BPF LSM return value
A bpf prog returning a positive number attached to file_alloc_security
hook makes kernel panic.
This happens because file system can not filter out the positive number
returned by the LSM prog using IS_ERR, and misinterprets this positive
number as a file pointer.
Given that hook file_alloc_security never returned positive number
before the introduction of BPF LSM, and other BPF LSM hooks may
encounter similar issues, this patch adds LSM return value check
in verifier, to ensure no unexpected value is returned.
References
Impacted products
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CVE-2024-49866 (GCVE-0-2024-49866)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tracing/timerlat: Fix a race during cpuhp processing
There is another found exception that the "timerlat/1" thread was
scheduled on CPU0, and lead to timer corruption finally:
```
ODEBUG: init active (active state 0) object: ffff888237c2e108 object type: hrtimer hint: timerlat_irq+0x0/0x220
WARNING: CPU: 0 PID: 426 at lib/debugobjects.c:518 debug_print_object+0x7d/0xb0
Modules linked in:
CPU: 0 UID: 0 PID: 426 Comm: timerlat/1 Not tainted 6.11.0-rc7+ #45
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
RIP: 0010:debug_print_object+0x7d/0xb0
...
Call Trace:
<TASK>
? __warn+0x7c/0x110
? debug_print_object+0x7d/0xb0
? report_bug+0xf1/0x1d0
? prb_read_valid+0x17/0x20
? handle_bug+0x3f/0x70
? exc_invalid_op+0x13/0x60
? asm_exc_invalid_op+0x16/0x20
? debug_print_object+0x7d/0xb0
? debug_print_object+0x7d/0xb0
? __pfx_timerlat_irq+0x10/0x10
__debug_object_init+0x110/0x150
hrtimer_init+0x1d/0x60
timerlat_main+0xab/0x2d0
? __pfx_timerlat_main+0x10/0x10
kthread+0xb7/0xe0
? __pfx_kthread+0x10/0x10
ret_from_fork+0x2d/0x40
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1a/0x30
</TASK>
```
After tracing the scheduling event, it was discovered that the migration
of the "timerlat/1" thread was performed during thread creation. Further
analysis confirmed that it is because the CPU online processing for
osnoise is implemented through workers, which is asynchronous with the
offline processing. When the worker was scheduled to create a thread, the
CPU may has already been removed from the cpu_online_mask during the offline
process, resulting in the inability to select the right CPU:
T1 | T2
[CPUHP_ONLINE] | cpu_device_down()
osnoise_hotplug_workfn() |
| cpus_write_lock()
| takedown_cpu(1)
| cpus_write_unlock()
[CPUHP_OFFLINE] |
cpus_read_lock() |
start_kthread(1) |
cpus_read_unlock() |
To fix this, skip online processing if the CPU is already offline.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: c8895e271f7994a3ecb13b8a280e39aa53879545 Version: c8895e271f7994a3ecb13b8a280e39aa53879545 Version: c8895e271f7994a3ecb13b8a280e39aa53879545 Version: c8895e271f7994a3ecb13b8a280e39aa53879545 Version: c8895e271f7994a3ecb13b8a280e39aa53879545 Version: c8895e271f7994a3ecb13b8a280e39aa53879545 |
||
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CVE-2024-50176 (GCVE-0-2024-50176)
Vulnerability from cvelistv5
Published
2024-11-08 05:23
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
remoteproc: k3-r5: Fix error handling when power-up failed
By simply bailing out, the driver was violating its rule and internal
assumptions that either both or no rproc should be initialized. E.g.,
this could cause the first core to be available but not the second one,
leading to crashes on its shutdown later on while trying to dereference
that second instance.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2a1ec20b174c0f613224c59e694639ac07308b53 Version: 2494bc856e7ce50b1c4fd8afb4d17f2693f36565 Version: 61f6f68447aba08aeaa97593af3a7d85a114891f Version: 61f6f68447aba08aeaa97593af3a7d85a114891f Version: 61f6f68447aba08aeaa97593af3a7d85a114891f Version: 8ae2a10f5c7010ac82ab015cf864199093d61a7d Version: 6.1.95 ≤ Version: 6.6.35 ≤ Version: 6.9.6 ≤ |
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CVE-2024-53108 (GCVE-0-2024-53108)
Vulnerability from cvelistv5
Published
2024-12-02 13:44
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Adjust VSDB parser for replay feature
At some point, the IEEE ID identification for the replay check in the
AMD EDID was added. However, this check causes the following
out-of-bounds issues when using KASAN:
[ 27.804016] BUG: KASAN: slab-out-of-bounds in amdgpu_dm_update_freesync_caps+0xefa/0x17a0 [amdgpu]
[ 27.804788] Read of size 1 at addr ffff8881647fdb00 by task systemd-udevd/383
...
[ 27.821207] Memory state around the buggy address:
[ 27.821215] ffff8881647fda00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 27.821224] ffff8881647fda80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 27.821234] >ffff8881647fdb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 27.821243] ^
[ 27.821250] ffff8881647fdb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 27.821259] ffff8881647fdc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 27.821268] ==================================================================
This is caused because the ID extraction happens outside of the range of
the edid lenght. This commit addresses this issue by considering the
amd_vsdb_block size.
(cherry picked from commit b7e381b1ccd5e778e3d9c44c669ad38439a861d8)
References
Impacted products
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CVE-2024-47752 (GCVE-0-2024-47752)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: mediatek: vcodec: Fix H264 stateless decoder smatch warning
Fix a smatch static checker warning on vdec_h264_req_if.c.
Which leads to a kernel crash when fb is NULL.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-53088 (GCVE-0-2024-53088)
Vulnerability from cvelistv5
Published
2024-11-19 17:45
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i40e: fix race condition by adding filter's intermediate sync state
Fix a race condition in the i40e driver that leads to MAC/VLAN filters
becoming corrupted and leaking. Address the issue that occurs under
heavy load when multiple threads are concurrently modifying MAC/VLAN
filters by setting mac and port VLAN.
1. Thread T0 allocates a filter in i40e_add_filter() within
i40e_ndo_set_vf_port_vlan().
2. Thread T1 concurrently frees the filter in __i40e_del_filter() within
i40e_ndo_set_vf_mac().
3. Subsequently, i40e_service_task() calls i40e_sync_vsi_filters(), which
refers to the already freed filter memory, causing corruption.
Reproduction steps:
1. Spawn multiple VFs.
2. Apply a concurrent heavy load by running parallel operations to change
MAC addresses on the VFs and change port VLANs on the host.
3. Observe errors in dmesg:
"Error I40E_AQ_RC_ENOSPC adding RX filters on VF XX,
please set promiscuous on manually for VF XX".
Exact code for stable reproduction Intel can't open-source now.
The fix involves implementing a new intermediate filter state,
I40E_FILTER_NEW_SYNC, for the time when a filter is on a tmp_add_list.
These filters cannot be deleted from the hash list directly but
must be removed using the full process.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50008 (GCVE-0-2024-50008)
Vulnerability from cvelistv5
Published
2024-10-21 18:54
Modified
2026-05-12 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext()
Replace one-element array with a flexible-array member in
`struct host_cmd_ds_802_11_scan_ext`.
With this, fix the following warning:
elo 16 17:51:58 surfacebook kernel: ------------[ cut here ]------------
elo 16 17:51:58 surfacebook kernel: memcpy: detected field-spanning write (size 243) of single field "ext_scan->tlv_buffer" at drivers/net/wireless/marvell/mwifiex/scan.c:2239 (size 1)
elo 16 17:51:58 surfacebook kernel: WARNING: CPU: 0 PID: 498 at drivers/net/wireless/marvell/mwifiex/scan.c:2239 mwifiex_cmd_802_11_scan_ext+0x83/0x90 [mwifiex]
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 21f58d200388480547df909b5464b5aafebf299d Version: 21f58d200388480547df909b5464b5aafebf299d Version: 21f58d200388480547df909b5464b5aafebf299d Version: 21f58d200388480547df909b5464b5aafebf299d Version: 21f58d200388480547df909b5464b5aafebf299d Version: 21f58d200388480547df909b5464b5aafebf299d Version: 21f58d200388480547df909b5464b5aafebf299d Version: 21f58d200388480547df909b5464b5aafebf299d Version: 21f58d200388480547df909b5464b5aafebf299d |
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CVE-2024-50077 (GCVE-0-2024-50077)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: ISO: Fix multiple init when debugfs is disabled
If bt_debugfs is not created successfully, which happens if either
CONFIG_DEBUG_FS or CONFIG_DEBUG_FS_ALLOW_ALL is unset, then iso_init()
returns early and does not set iso_inited to true. This means that a
subsequent call to iso_init() will result in duplicate calls to
proto_register(), bt_sock_register(), etc.
With CONFIG_LIST_HARDENED and CONFIG_BUG_ON_DATA_CORRUPTION enabled, the
duplicate call to proto_register() triggers this BUG():
list_add double add: new=ffffffffc0b280d0, prev=ffffffffbab56250,
next=ffffffffc0b280d0.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:35!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 2 PID: 887 Comm: bluetoothd Not tainted 6.10.11-1-ao-desktop #1
RIP: 0010:__list_add_valid_or_report+0x9a/0xa0
...
__list_add_valid_or_report+0x9a/0xa0
proto_register+0x2b5/0x340
iso_init+0x23/0x150 [bluetooth]
set_iso_socket_func+0x68/0x1b0 [bluetooth]
kmem_cache_free+0x308/0x330
hci_sock_sendmsg+0x990/0x9e0 [bluetooth]
__sock_sendmsg+0x7b/0x80
sock_write_iter+0x9a/0x110
do_iter_readv_writev+0x11d/0x220
vfs_writev+0x180/0x3e0
do_writev+0xca/0x100
...
This change removes the early return. The check for iso_debugfs being
NULL was unnecessary, it is always NULL when iso_inited is false.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50069 (GCVE-0-2024-50069)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
pinctrl: apple: check devm_kasprintf() returned value
devm_kasprintf() can return a NULL pointer on failure but this returned
value is not checked. Fix this lack and check the returned value.
Found by code review.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-46852 (GCVE-0-2024-46852)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
dma-buf: heaps: Fix off-by-one in CMA heap fault handler
Until VM_DONTEXPAND was added in commit 1c1914d6e8c6 ("dma-buf: heaps:
Don't track CMA dma-buf pages under RssFile") it was possible to obtain
a mapping larger than the buffer size via mremap and bypass the overflow
check in dma_buf_mmap_internal. When using such a mapping to attempt to
fault past the end of the buffer, the CMA heap fault handler also checks
the fault offset against the buffer size, but gets the boundary wrong by
1. Fix the boundary check so that we don't read off the end of the pages
array and insert an arbitrary page in the mapping.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49867 (GCVE-0-2024-49867)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: wait for fixup workers before stopping cleaner kthread during umount
During unmount, at close_ctree(), we have the following steps in this order:
1) Park the cleaner kthread - this doesn't destroy the kthread, it basically
halts its execution (wake ups against it work but do nothing);
2) We stop the cleaner kthread - this results in freeing the respective
struct task_struct;
3) We call btrfs_stop_all_workers() which waits for any jobs running in all
the work queues and then free the work queues.
Syzbot reported a case where a fixup worker resulted in a crash when doing
a delayed iput on its inode while attempting to wake up the cleaner at
btrfs_add_delayed_iput(), because the task_struct of the cleaner kthread
was already freed. This can happen during unmount because we don't wait
for any fixup workers still running before we call kthread_stop() against
the cleaner kthread, which stops and free all its resources.
Fix this by waiting for any fixup workers at close_ctree() before we call
kthread_stop() against the cleaner and run pending delayed iputs.
The stack traces reported by syzbot were the following:
BUG: KASAN: slab-use-after-free in __lock_acquire+0x77/0x2050 kernel/locking/lockdep.c:5065
Read of size 8 at addr ffff8880272a8a18 by task kworker/u8:3/52
CPU: 1 UID: 0 PID: 52 Comm: kworker/u8:3 Not tainted 6.12.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: btrfs-fixup btrfs_work_helper
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
__lock_acquire+0x77/0x2050 kernel/locking/lockdep.c:5065
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline]
try_to_wake_up+0xb0/0x1480 kernel/sched/core.c:4154
btrfs_writepage_fixup_worker+0xc16/0xdf0 fs/btrfs/inode.c:2842
btrfs_work_helper+0x390/0xc50 fs/btrfs/async-thread.c:314
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Allocated by task 2:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:319 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345
kasan_slab_alloc include/linux/kasan.h:247 [inline]
slab_post_alloc_hook mm/slub.c:4086 [inline]
slab_alloc_node mm/slub.c:4135 [inline]
kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4187
alloc_task_struct_node kernel/fork.c:180 [inline]
dup_task_struct+0x57/0x8c0 kernel/fork.c:1107
copy_process+0x5d1/0x3d50 kernel/fork.c:2206
kernel_clone+0x223/0x880 kernel/fork.c:2787
kernel_thread+0x1bc/0x240 kernel/fork.c:2849
create_kthread kernel/kthread.c:412 [inline]
kthreadd+0x60d/0x810 kernel/kthread.c:765
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Freed by task 61:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_h
---truncated---
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7a97311de48d56af6db4c5819f95faf9b0b23b1a Version: f4b1363cae43fef7c86c993b7ca7fe7d546b3c68 Version: f4b1363cae43fef7c86c993b7ca7fe7d546b3c68 Version: f4b1363cae43fef7c86c993b7ca7fe7d546b3c68 Version: f4b1363cae43fef7c86c993b7ca7fe7d546b3c68 Version: f4b1363cae43fef7c86c993b7ca7fe7d546b3c68 Version: f4b1363cae43fef7c86c993b7ca7fe7d546b3c68 Version: f4b1363cae43fef7c86c993b7ca7fe7d546b3c68 Version: 6026fd9da213daab95469356fe7fdcf29ae1a296 Version: 5.4.22 ≤ Version: 5.5.6 ≤ |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: wait for fixup workers before stopping cleaner kthread during umount\n\nDuring unmount, at close_ctree(), we have the following steps in this order:\n\n1) Park the cleaner kthread - this doesn\u0027t destroy the kthread, it basically\n halts its execution (wake ups against it work but do nothing);\n\n2) We stop the cleaner kthread - this results in freeing the respective\n struct task_struct;\n\n3) We call btrfs_stop_all_workers() which waits for any jobs running in all\n the work queues and then free the work queues.\n\nSyzbot reported a case where a fixup worker resulted in a crash when doing\na delayed iput on its inode while attempting to wake up the cleaner at\nbtrfs_add_delayed_iput(), because the task_struct of the cleaner kthread\nwas already freed. This can happen during unmount because we don\u0027t wait\nfor any fixup workers still running before we call kthread_stop() against\nthe cleaner kthread, which stops and free all its resources.\n\nFix this by waiting for any fixup workers at close_ctree() before we call\nkthread_stop() against the cleaner and run pending delayed iputs.\n\nThe stack traces reported by syzbot were the following:\n\n BUG: KASAN: slab-use-after-free in __lock_acquire+0x77/0x2050 kernel/locking/lockdep.c:5065\n Read of size 8 at addr ffff8880272a8a18 by task kworker/u8:3/52\n\n CPU: 1 UID: 0 PID: 52 Comm: kworker/u8:3 Not tainted 6.12.0-rc1-syzkaller #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\n Workqueue: btrfs-fixup btrfs_work_helper\n Call Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:488\n kasan_report+0x143/0x180 mm/kasan/report.c:601\n __lock_acquire+0x77/0x2050 kernel/locking/lockdep.c:5065\n lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825\n __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]\n _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162\n class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline]\n try_to_wake_up+0xb0/0x1480 kernel/sched/core.c:4154\n btrfs_writepage_fixup_worker+0xc16/0xdf0 fs/btrfs/inode.c:2842\n btrfs_work_helper+0x390/0xc50 fs/btrfs/async-thread.c:314\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310\n worker_thread+0x870/0xd30 kernel/workqueue.c:3391\n kthread+0x2f0/0x390 kernel/kthread.c:389\n ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n \u003c/TASK\u003e\n\n Allocated by task 2:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n unpoison_slab_object mm/kasan/common.c:319 [inline]\n __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345\n kasan_slab_alloc include/linux/kasan.h:247 [inline]\n slab_post_alloc_hook mm/slub.c:4086 [inline]\n slab_alloc_node mm/slub.c:4135 [inline]\n kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4187\n alloc_task_struct_node kernel/fork.c:180 [inline]\n dup_task_struct+0x57/0x8c0 kernel/fork.c:1107\n copy_process+0x5d1/0x3d50 kernel/fork.c:2206\n kernel_clone+0x223/0x880 kernel/fork.c:2787\n kernel_thread+0x1bc/0x240 kernel/fork.c:2849\n create_kthread kernel/kthread.c:412 [inline]\n kthreadd+0x60d/0x810 kernel/kthread.c:765\n ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n\n Freed by task 61:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579\n poison_slab_object mm/kasan/common.c:247 [inline]\n __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264\n kasan_slab_free include/linux/kasan.h:230 [inline]\n slab_free_h\n---truncated---"
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"value": "AV:L - Reaching the bug needs local write activity on a mounted btrfs filesystem to queue fixup workers plus the local `umount(2)` \u2192 `close_ctree()` path; no remote or adjacent-network protocol handler is involved.\nAC:L - The attacker fully controls one side of the race and can keep `fs_info-\u003efixup_workers` continuously saturated (dirtying file pages behind the FS\u0027s back via shared mmap/GUP writes) so a worker is essentially always in flight when unmount runs; where the attacker also triggers the unmount (removable btrfs media via udisks2, container teardown) they control both sides of the race.\nPR:L - No capability check exists on the path that queues the fixup work \u2014 `extent_writepage_io()` \u2192 `btrfs_writepage_cow_fixup()` is the plain writeback path and only requires an unprivileged user with write access to any file on a btrfs mount.\nUI:N - No victim action is required; the unmount that closes the race happens automatically at shutdown, container teardown, or media eject, and in the removable-media case the attacker performs it themselves.\nS:U - The use-after-free is on a kernel `task_struct` and its impact stays within the kernel\u0027s own security authority, crossing no VM, IOMMU, or sandbox boundary.\nC:H - The freed `task_struct` slab object can be reallocated with attacker-groomed content by spawning tasks, and `try_to_wake_up()` reads scheduler state and pointers out of it, providing a route to kernel memory disclosure.\nI:H - `try_to_wake_up()` writes into the freed object \u2014 `pi_lock` acquisition, `__state`/`on_rq` updates \u2014 and dispatches indirect calls through `p-\u003esched_class`, giving both a write primitive and a control-flow-hijack primitive on a sprayable slab.\nA:H - This is a KASAN-confirmed slab-use-after-free reported by syzbot that oopses or panics the kernel during unmount, and the trigger can be repeated on every mount/unmount cycle."
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CVE-2024-46771 (GCVE-0-2024-46771)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
can: bcm: Remove proc entry when dev is unregistered.
syzkaller reported a warning in bcm_connect() below. [0]
The repro calls connect() to vxcan1, removes vxcan1, and calls
connect() with ifindex == 0.
Calling connect() for a BCM socket allocates a proc entry.
Then, bcm_sk(sk)->bound is set to 1 to prevent further connect().
However, removing the bound device resets bcm_sk(sk)->bound to 0
in bcm_notify().
The 2nd connect() tries to allocate a proc entry with the same
name and sets NULL to bcm_sk(sk)->bcm_proc_read, leaking the
original proc entry.
Since the proc entry is available only for connect()ed sockets,
let's clean up the entry when the bound netdev is unregistered.
[0]:
proc_dir_entry 'can-bcm/2456' already registered
WARNING: CPU: 1 PID: 394 at fs/proc/generic.c:376 proc_register+0x645/0x8f0 fs/proc/generic.c:375
Modules linked in:
CPU: 1 PID: 394 Comm: syz-executor403 Not tainted 6.10.0-rc7-g852e42cc2dd4
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
RIP: 0010:proc_register+0x645/0x8f0 fs/proc/generic.c:375
Code: 00 00 00 00 00 48 85 ed 0f 85 97 02 00 00 4d 85 f6 0f 85 9f 02 00 00 48 c7 c7 9b cb cf 87 48 89 de 4c 89 fa e8 1c 6f eb fe 90 <0f> 0b 90 90 48 c7 c7 98 37 99 89 e8 cb 7e 22 05 bb 00 00 00 10 48
RSP: 0018:ffa0000000cd7c30 EFLAGS: 00010246
RAX: 9e129be1950f0200 RBX: ff1100011b51582c RCX: ff1100011857cd80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffd400000000000f R09: ff1100013e78cac0
R10: ffac800000cd7980 R11: ff1100013e12b1f0 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ff1100011a99a2ec
FS: 00007fbd7086f740(0000) GS:ff1100013fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200071c0 CR3: 0000000118556004 CR4: 0000000000771ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
proc_create_net_single+0x144/0x210 fs/proc/proc_net.c:220
bcm_connect+0x472/0x840 net/can/bcm.c:1673
__sys_connect_file net/socket.c:2049 [inline]
__sys_connect+0x5d2/0x690 net/socket.c:2066
__do_sys_connect net/socket.c:2076 [inline]
__se_sys_connect net/socket.c:2073 [inline]
__x64_sys_connect+0x8f/0x100 net/socket.c:2073
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd9/0x1c0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x4b/0x53
RIP: 0033:0x7fbd708b0e5d
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48
RSP: 002b:00007fff8cd33f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd708b0e5d
RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000040 R09: 0000000000000040
R10: 0000000000000040 R11: 0000000000000246 R12: 00007fff8cd34098
R13: 0000000000401280 R14: 0000000000406de8 R15: 00007fbd70ab9000
</TASK>
remove_proc_entry: removing non-empty directory 'net/can-bcm', leaking at least '2456'
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ffd980f976e7fd666c2e61bf8ab35107efd11828 Version: ffd980f976e7fd666c2e61bf8ab35107efd11828 Version: ffd980f976e7fd666c2e61bf8ab35107efd11828 Version: ffd980f976e7fd666c2e61bf8ab35107efd11828 Version: ffd980f976e7fd666c2e61bf8ab35107efd11828 Version: ffd980f976e7fd666c2e61bf8ab35107efd11828 Version: ffd980f976e7fd666c2e61bf8ab35107efd11828 Version: ffd980f976e7fd666c2e61bf8ab35107efd11828 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: Remove proc entry when dev is unregistered.\n\nsyzkaller reported a warning in bcm_connect() below. [0]\n\nThe repro calls connect() to vxcan1, removes vxcan1, and calls\nconnect() with ifindex == 0.\n\nCalling connect() for a BCM socket allocates a proc entry.\nThen, bcm_sk(sk)-\u003ebound is set to 1 to prevent further connect().\n\nHowever, removing the bound device resets bcm_sk(sk)-\u003ebound to 0\nin bcm_notify().\n\nThe 2nd connect() tries to allocate a proc entry with the same\nname and sets NULL to bcm_sk(sk)-\u003ebcm_proc_read, leaking the\noriginal proc entry.\n\nSince the proc entry is available only for connect()ed sockets,\nlet\u0027s clean up the entry when the bound netdev is unregistered.\n\n[0]:\nproc_dir_entry \u0027can-bcm/2456\u0027 already registered\nWARNING: CPU: 1 PID: 394 at fs/proc/generic.c:376 proc_register+0x645/0x8f0 fs/proc/generic.c:375\nModules linked in:\nCPU: 1 PID: 394 Comm: syz-executor403 Not tainted 6.10.0-rc7-g852e42cc2dd4\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014\nRIP: 0010:proc_register+0x645/0x8f0 fs/proc/generic.c:375\nCode: 00 00 00 00 00 48 85 ed 0f 85 97 02 00 00 4d 85 f6 0f 85 9f 02 00 00 48 c7 c7 9b cb cf 87 48 89 de 4c 89 fa e8 1c 6f eb fe 90 \u003c0f\u003e 0b 90 90 48 c7 c7 98 37 99 89 e8 cb 7e 22 05 bb 00 00 00 10 48\nRSP: 0018:ffa0000000cd7c30 EFLAGS: 00010246\nRAX: 9e129be1950f0200 RBX: ff1100011b51582c RCX: ff1100011857cd80\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002\nRBP: 0000000000000000 R08: ffd400000000000f R09: ff1100013e78cac0\nR10: ffac800000cd7980 R11: ff1100013e12b1f0 R12: 0000000000000000\nR13: 0000000000000000 R14: 0000000000000000 R15: ff1100011a99a2ec\nFS: 00007fbd7086f740(0000) GS:ff1100013fd00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000200071c0 CR3: 0000000118556004 CR4: 0000000000771ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n \u003cTASK\u003e\n proc_create_net_single+0x144/0x210 fs/proc/proc_net.c:220\n bcm_connect+0x472/0x840 net/can/bcm.c:1673\n __sys_connect_file net/socket.c:2049 [inline]\n __sys_connect+0x5d2/0x690 net/socket.c:2066\n __do_sys_connect net/socket.c:2076 [inline]\n __se_sys_connect net/socket.c:2073 [inline]\n __x64_sys_connect+0x8f/0x100 net/socket.c:2073\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xd9/0x1c0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\nRIP: 0033:0x7fbd708b0e5d\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48\nRSP: 002b:00007fff8cd33f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002a\nRAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd708b0e5d\nRDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003\nRBP: 0000000000000000 R08: 0000000000000040 R09: 0000000000000040\nR10: 0000000000000040 R11: 0000000000000246 R12: 00007fff8cd34098\nR13: 0000000000401280 R14: 0000000000406de8 R15: 00007fbd70ab9000\n \u003c/TASK\u003e\nremove_proc_entry: removing non-empty directory \u0027net/can-bcm\u0027, leaking at least \u00272456\u0027"
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"value": "AV:L - The entire sequence \u2014 CAN_BCM socket creation, connect(), removal of the bound netdev via RTNL, a second connect(), close(), and reading /proc/net/can-bcm/\u003cino\u003e \u2014 requires only local syscalls. No remote or adjacent-network input reaches this code.\nAC:L - The attacker performs a deterministic, self-contained sequence (connect \u2192 delete the interface they created \u2192 connect \u2192 close \u2192 read the leaked proc file); there is no race and no condition outside the attacker\u0027s control.\nPR:L - An ordinary unprivileged user can open a CAN BCM socket (no capability checks in bcm_connect()) and obtain CAP_NET_ADMIN inside a user namespace (`unshare -Urn`) to create and delete the vcan/vxcan device that triggers bcm_notify(); the leaked proc entry is mode 0644 and world-readable.\nUI:N - The attacker drives every step from a single process; no action by another user or administrator is needed.\nS:U - The dangling proc entry and the freed socket are both kernel objects within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The orphaned procfs entry keeps a pointer to a freed struct sock, so reading it makes bcm_proc_show() dereference and walk lists inside a slab object the attacker can re-allocate with controlled content, yielding an attacker-influenced kernel memory read returned to userspace (plus %pK pointer disclosure).\nI:H - The dangling reference is a use-after-free on a freed socket whose slab can be sprayed with attacker-controlled data; the resulting corrupted-object dereferences and list traversals are the standard basis for control-flow/heap manipulation primitives.\nA:H - The second connect() triggers a proc_register() WARN (fatal with panic_on_warn), and any later read of the leaked entry dereferences freed memory, causing an oops or an endless loop over corrupted list pointers, plus permanent procfs/netns resource leakage."
}
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CVE-2022-48985 (GCVE-0-2022-48985)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: mana: Fix race on per-CQ variable napi work_done
After calling napi_complete_done(), the NAPIF_STATE_SCHED bit may be
cleared, and another CPU can start napi thread and access per-CQ variable,
cq->work_done. If the other thread (for example, from busy_poll) sets
it to a value >= budget, this thread will continue to run when it should
stop, and cause memory corruption and panic.
To fix this issue, save the per-CQ work_done variable in a local variable
before napi_complete_done(), so it won't be corrupted by a possible
concurrent thread after napi_complete_done().
Also, add a flag bit to advertise to the NIC firmware: the NAPI work_done
variable race is fixed, so the driver is able to reliably support features
like busy_poll.
References
Impacted products
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"value": "AV:N - The bug is in MANA NAPI CQ polling on packet RX/TX completions; remote peers of internet-facing Azure VMs deliver traffic that raises interrupts and schedules the vulnerable mana_poll path. MANA RX NAPI uses weight 1, so remote packet-driven races after napi_complete_done are a network attack path.\nAC:L - After napi_complete_done clears SCHED, a concurrent NAPI (busy_poll or another CPU\u2019s softirq from further packets) can overwrite cq-\u003ework_done; the attacker controls packet rate and can sustain load so the post-complete window is hit reliably. Race guidance treats attacker-influenced concurrent NAPI as AC:L.\nPR:N - Unauthenticated remote traffic to the MANA interface is enough to schedule softirq NAPI and induce the post-complete race; no local account, capabilities, or authentication is required.\nUI:N - Exploitation is driven by packet arrivals and kernel NAPI/softirq processing with no victim user action such as mounting a filesystem or opening a crafted file.\nS:U - Corruption and panic stay inside the guest kernel\u2019s authority on the Azure VM; this is not a VM escape, IOMMU bypass, or other cross-boundary impact.\nC:H - Wrong work_done after complete violates NAPI ownership and enables concurrent CQ polling, double-processing RX buffers, and page/skb UAF-style reuse, which conservatively yields an arbitrary read primitive.\nI:H - The same concurrent CQ/NAPI ownership break causes double dma_unmap/free and heap corruption that can be leveraged for writes and control-flow hijacking, so integrity is High.\nA:H - The fix commit documents memory corruption and panic; NAPI list/state corruption and UAF/oops under concurrent poll produce a full kernel availability loss."
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CVE-2024-50261 (GCVE-0-2024-50261)
Vulnerability from cvelistv5
Published
2024-11-09 10:15
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
macsec: Fix use-after-free while sending the offloading packet
KASAN reports the following UAF. The metadata_dst, which is used to
store the SCI value for macsec offload, is already freed by
metadata_dst_free() in macsec_free_netdev(), while driver still use it
for sending the packet.
To fix this issue, dst_release() is used instead to release
metadata_dst. So it is not freed instantly in macsec_free_netdev() if
still referenced by skb.
BUG: KASAN: slab-use-after-free in mlx5e_xmit+0x1e8f/0x4190 [mlx5_core]
Read of size 2 at addr ffff88813e42e038 by task kworker/7:2/714
[...]
Workqueue: mld mld_ifc_work
Call Trace:
<TASK>
dump_stack_lvl+0x51/0x60
print_report+0xc1/0x600
kasan_report+0xab/0xe0
mlx5e_xmit+0x1e8f/0x4190 [mlx5_core]
dev_hard_start_xmit+0x120/0x530
sch_direct_xmit+0x149/0x11e0
__qdisc_run+0x3ad/0x1730
__dev_queue_xmit+0x1196/0x2ed0
vlan_dev_hard_start_xmit+0x32e/0x510 [8021q]
dev_hard_start_xmit+0x120/0x530
__dev_queue_xmit+0x14a7/0x2ed0
macsec_start_xmit+0x13e9/0x2340
dev_hard_start_xmit+0x120/0x530
__dev_queue_xmit+0x14a7/0x2ed0
ip6_finish_output2+0x923/0x1a70
ip6_finish_output+0x2d7/0x970
ip6_output+0x1ce/0x3a0
NF_HOOK.constprop.0+0x15f/0x190
mld_sendpack+0x59a/0xbd0
mld_ifc_work+0x48a/0xa80
process_one_work+0x5aa/0xe50
worker_thread+0x79c/0x1290
kthread+0x28f/0x350
ret_from_fork+0x2d/0x70
ret_from_fork_asm+0x11/0x20
</TASK>
Allocated by task 3922:
kasan_save_stack+0x20/0x40
kasan_save_track+0x10/0x30
__kasan_kmalloc+0x77/0x90
__kmalloc_noprof+0x188/0x400
metadata_dst_alloc+0x1f/0x4e0
macsec_newlink+0x914/0x1410
__rtnl_newlink+0xe08/0x15b0
rtnl_newlink+0x5f/0x90
rtnetlink_rcv_msg+0x667/0xa80
netlink_rcv_skb+0x12c/0x360
netlink_unicast+0x551/0x770
netlink_sendmsg+0x72d/0xbd0
__sock_sendmsg+0xc5/0x190
____sys_sendmsg+0x52e/0x6a0
___sys_sendmsg+0xeb/0x170
__sys_sendmsg+0xb5/0x140
do_syscall_64+0x4c/0x100
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Freed by task 4011:
kasan_save_stack+0x20/0x40
kasan_save_track+0x10/0x30
kasan_save_free_info+0x37/0x50
poison_slab_object+0x10c/0x190
__kasan_slab_free+0x11/0x30
kfree+0xe0/0x290
macsec_free_netdev+0x3f/0x140
netdev_run_todo+0x450/0xc70
rtnetlink_rcv_msg+0x66f/0xa80
netlink_rcv_skb+0x12c/0x360
netlink_unicast+0x551/0x770
netlink_sendmsg+0x72d/0xbd0
__sock_sendmsg+0xc5/0x190
____sys_sendmsg+0x52e/0x6a0
___sys_sendmsg+0xeb/0x170
__sys_sendmsg+0xb5/0x140
do_syscall_64+0x4c/0x100
entry_SYSCALL_64_after_hwframe+0x4b/0x53
References
| URL | Tags | |
|---|---|---|
Impacted products
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{
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{
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"product": "Linux",
"programFiles": [
"drivers/net/macsec.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.1"
},
{
"lessThan": "6.1",
"status": "unaffected",
"version": "0",
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"version": "6.1.116",
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},
{
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"status": "unaffected",
"version": "6.6.60",
"versionType": "semver"
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{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.7",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
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"vulnerable": true
},
{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmacsec: Fix use-after-free while sending the offloading packet\n\nKASAN reports the following UAF. The metadata_dst, which is used to\nstore the SCI value for macsec offload, is already freed by\nmetadata_dst_free() in macsec_free_netdev(), while driver still use it\nfor sending the packet.\n\nTo fix this issue, dst_release() is used instead to release\nmetadata_dst. So it is not freed instantly in macsec_free_netdev() if\nstill referenced by skb.\n\n BUG: KASAN: slab-use-after-free in mlx5e_xmit+0x1e8f/0x4190 [mlx5_core]\n Read of size 2 at addr ffff88813e42e038 by task kworker/7:2/714\n [...]\n Workqueue: mld mld_ifc_work\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x51/0x60\n print_report+0xc1/0x600\n kasan_report+0xab/0xe0\n mlx5e_xmit+0x1e8f/0x4190 [mlx5_core]\n dev_hard_start_xmit+0x120/0x530\n sch_direct_xmit+0x149/0x11e0\n __qdisc_run+0x3ad/0x1730\n __dev_queue_xmit+0x1196/0x2ed0\n vlan_dev_hard_start_xmit+0x32e/0x510 [8021q]\n dev_hard_start_xmit+0x120/0x530\n __dev_queue_xmit+0x14a7/0x2ed0\n macsec_start_xmit+0x13e9/0x2340\n dev_hard_start_xmit+0x120/0x530\n __dev_queue_xmit+0x14a7/0x2ed0\n ip6_finish_output2+0x923/0x1a70\n ip6_finish_output+0x2d7/0x970\n ip6_output+0x1ce/0x3a0\n NF_HOOK.constprop.0+0x15f/0x190\n mld_sendpack+0x59a/0xbd0\n mld_ifc_work+0x48a/0xa80\n process_one_work+0x5aa/0xe50\n worker_thread+0x79c/0x1290\n kthread+0x28f/0x350\n ret_from_fork+0x2d/0x70\n ret_from_fork_asm+0x11/0x20\n \u003c/TASK\u003e\n\n Allocated by task 3922:\n kasan_save_stack+0x20/0x40\n kasan_save_track+0x10/0x30\n __kasan_kmalloc+0x77/0x90\n __kmalloc_noprof+0x188/0x400\n metadata_dst_alloc+0x1f/0x4e0\n macsec_newlink+0x914/0x1410\n __rtnl_newlink+0xe08/0x15b0\n rtnl_newlink+0x5f/0x90\n rtnetlink_rcv_msg+0x667/0xa80\n netlink_rcv_skb+0x12c/0x360\n netlink_unicast+0x551/0x770\n netlink_sendmsg+0x72d/0xbd0\n __sock_sendmsg+0xc5/0x190\n ____sys_sendmsg+0x52e/0x6a0\n ___sys_sendmsg+0xeb/0x170\n __sys_sendmsg+0xb5/0x140\n do_syscall_64+0x4c/0x100\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n\n Freed by task 4011:\n kasan_save_stack+0x20/0x40\n kasan_save_track+0x10/0x30\n kasan_save_free_info+0x37/0x50\n poison_slab_object+0x10c/0x190\n __kasan_slab_free+0x11/0x30\n kfree+0xe0/0x290\n macsec_free_netdev+0x3f/0x140\n netdev_run_todo+0x450/0xc70\n rtnetlink_rcv_msg+0x66f/0xa80\n netlink_rcv_skb+0x12c/0x360\n netlink_unicast+0x551/0x770\n netlink_sendmsg+0x72d/0xbd0\n __sock_sendmsg+0xc5/0x190\n ____sys_sendmsg+0x52e/0x6a0\n ___sys_sendmsg+0xeb/0x170\n __sys_sendmsg+0xb5/0x140\n do_syscall_64+0x4c/0x100\n entry_SYSCALL_64_after_hwframe+0x4b/0x53"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - Triggering requires local rtnetlink/genetlink operations (creating a MACsec device with HW offload, transmitting through it, then deleting it), which are not reachable from a remote peer. No packet received from the network can drive the free side of the race.\nAC:L - The attacker controls both sides of the race \u2014 it queues the offloaded skbs that take the md_dst reference and it issues the RTM_DELLINK that frees the object, and can widen the window arbitrarily with a deep or rate-limited qdisc on the real device. The upstream report shows the UAF firing from ordinary incidental MLD traffic with no deliberate racing at all.\nPR:L - Only CAP_NET_ADMIN in the owning network namespace is needed, which an unprivileged user obtains via `unshare -Urn`, and in the SR-IOV/delegated-port container deployments where MACsec offload is deployed the container holds CAP_NET_ADMIN over an offload-capable NIC. No real root in the init namespace is required.\nUI:N - The attacker performs the link creation, traffic generation and deletion entirely on its own; no victim action is involved. The published reproducer triggered on kernel-generated MLD traffic with no user involvement whatsoever.\nS:U - The freed metadata_dst and all resulting corruption live in kernel slab memory within the same security authority; no VM, IOMMU, or hypervisor boundary is crossed.\nC:H - The driver reads the freed object\u0027s type/SCI fields directly, and the deferred `dst_release()` path dereferences `dst-\u003eops` and `dst-\u003edev` out of reallocatable slab memory, giving an attacker who grooms the freed slot a read primitive over kernel memory. Per kernel scoring guidance a use-after-free of a heap object is High.\nI:H - `rcuref_put()` performs an atomic read-modify-write into the freed object, `call_rcu_hurry()` writes and links the freed object\u0027s rcu_head, and `dst_destroy()` makes an indirect call through `dst-\u003eops-\u003edestroy` read from attacker-reallocatable memory \u2014 a write plus control-flow hijack primitive. A stale SCI also causes frames to be offloaded under the wrong SecY, corrupting the protected link\u0027s association.\nA:H - The confirmed KASAN slab-use-after-free in the TX fast path, the refcount corruption, and the bogus RCU callback queued on freed memory readily produce an oops or panic on a live networking path. Any use-after-free is scored High for availability."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T11:42:50.813Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"references": [
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},
{
"url": "https://git.kernel.org/stable/c/9f5ae743dbe9a2458540a7d35fff0f990df025cf"
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{
"url": "https://git.kernel.org/stable/c/f1e54d11b210b53d418ff1476c6b58a2f434dfc0"
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"title": "macsec: Fix use-after-free while sending the offloading packet",
"x_generator": {
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"cveMetadata": {
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"cveId": "CVE-2024-50261",
"datePublished": "2024-11-09T10:15:14.259Z",
"dateReserved": "2024-10-21T19:36:19.981Z",
"dateUpdated": "2026-08-05T11:42:50.813Z",
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CVE-2024-50110 (GCVE-0-2024-50110)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
xfrm: fix one more kernel-infoleak in algo dumping
During fuzz testing, the following issue was discovered:
BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x598/0x2a30
_copy_to_iter+0x598/0x2a30
__skb_datagram_iter+0x168/0x1060
skb_copy_datagram_iter+0x5b/0x220
netlink_recvmsg+0x362/0x1700
sock_recvmsg+0x2dc/0x390
__sys_recvfrom+0x381/0x6d0
__x64_sys_recvfrom+0x130/0x200
x64_sys_call+0x32c8/0x3cc0
do_syscall_64+0xd8/0x1c0
entry_SYSCALL_64_after_hwframe+0x79/0x81
Uninit was stored to memory at:
copy_to_user_state_extra+0xcc1/0x1e00
dump_one_state+0x28c/0x5f0
xfrm_state_walk+0x548/0x11e0
xfrm_dump_sa+0x1e0/0x840
netlink_dump+0x943/0x1c40
__netlink_dump_start+0x746/0xdb0
xfrm_user_rcv_msg+0x429/0xc00
netlink_rcv_skb+0x613/0x780
xfrm_netlink_rcv+0x77/0xc0
netlink_unicast+0xe90/0x1280
netlink_sendmsg+0x126d/0x1490
__sock_sendmsg+0x332/0x3d0
____sys_sendmsg+0x863/0xc30
___sys_sendmsg+0x285/0x3e0
__x64_sys_sendmsg+0x2d6/0x560
x64_sys_call+0x1316/0x3cc0
do_syscall_64+0xd8/0x1c0
entry_SYSCALL_64_after_hwframe+0x79/0x81
Uninit was created at:
__kmalloc+0x571/0xd30
attach_auth+0x106/0x3e0
xfrm_add_sa+0x2aa0/0x4230
xfrm_user_rcv_msg+0x832/0xc00
netlink_rcv_skb+0x613/0x780
xfrm_netlink_rcv+0x77/0xc0
netlink_unicast+0xe90/0x1280
netlink_sendmsg+0x126d/0x1490
__sock_sendmsg+0x332/0x3d0
____sys_sendmsg+0x863/0xc30
___sys_sendmsg+0x285/0x3e0
__x64_sys_sendmsg+0x2d6/0x560
x64_sys_call+0x1316/0x3cc0
do_syscall_64+0xd8/0x1c0
entry_SYSCALL_64_after_hwframe+0x79/0x81
Bytes 328-379 of 732 are uninitialized
Memory access of size 732 starts at ffff88800e18e000
Data copied to user address 00007ff30f48aff0
CPU: 2 PID: 18167 Comm: syz-executor.0 Not tainted 6.8.11 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Fixes copying of xfrm algorithms where some random
data of the structure fields can end up in userspace.
Padding in structures may be filled with random (possibly sensitve)
data and should never be given directly to user-space.
A similar issue was resolved in the commit
8222d5910dae ("xfrm: Zero padding when dumping algos and encap")
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
{
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"confidentialityImpact": "HIGH",
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"privilegesRequired": "LOW",
"scope": "UNCHANGED",
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"options": [
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{
"Automatable": "no"
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{
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"role": "CISA Coordinator",
"timestamp": "2025-10-01T20:22:09.249951Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
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"problemTypes": [
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"descriptions": [
{
"cweId": "CWE-908",
"description": "CWE-908 Use of Uninitialized Resource",
"lang": "en",
"type": "CWE"
}
]
}
],
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:25:37.146Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
}
],
"title": "CVE Program Container"
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],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/xfrm/xfrm_user.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
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{
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"versionType": "git"
},
{
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{
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"version": "6.1.115",
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{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: fix one more kernel-infoleak in algo dumping\n\nDuring fuzz testing, the following issue was discovered:\n\nBUG: KMSAN: kernel-infoleak in _copy_to_iter+0x598/0x2a30\n _copy_to_iter+0x598/0x2a30\n __skb_datagram_iter+0x168/0x1060\n skb_copy_datagram_iter+0x5b/0x220\n netlink_recvmsg+0x362/0x1700\n sock_recvmsg+0x2dc/0x390\n __sys_recvfrom+0x381/0x6d0\n __x64_sys_recvfrom+0x130/0x200\n x64_sys_call+0x32c8/0x3cc0\n do_syscall_64+0xd8/0x1c0\n entry_SYSCALL_64_after_hwframe+0x79/0x81\n\nUninit was stored to memory at:\n copy_to_user_state_extra+0xcc1/0x1e00\n dump_one_state+0x28c/0x5f0\n xfrm_state_walk+0x548/0x11e0\n xfrm_dump_sa+0x1e0/0x840\n netlink_dump+0x943/0x1c40\n __netlink_dump_start+0x746/0xdb0\n xfrm_user_rcv_msg+0x429/0xc00\n netlink_rcv_skb+0x613/0x780\n xfrm_netlink_rcv+0x77/0xc0\n netlink_unicast+0xe90/0x1280\n netlink_sendmsg+0x126d/0x1490\n __sock_sendmsg+0x332/0x3d0\n ____sys_sendmsg+0x863/0xc30\n ___sys_sendmsg+0x285/0x3e0\n __x64_sys_sendmsg+0x2d6/0x560\n x64_sys_call+0x1316/0x3cc0\n do_syscall_64+0xd8/0x1c0\n entry_SYSCALL_64_after_hwframe+0x79/0x81\n\nUninit was created at:\n __kmalloc+0x571/0xd30\n attach_auth+0x106/0x3e0\n xfrm_add_sa+0x2aa0/0x4230\n xfrm_user_rcv_msg+0x832/0xc00\n netlink_rcv_skb+0x613/0x780\n xfrm_netlink_rcv+0x77/0xc0\n netlink_unicast+0xe90/0x1280\n netlink_sendmsg+0x126d/0x1490\n __sock_sendmsg+0x332/0x3d0\n ____sys_sendmsg+0x863/0xc30\n ___sys_sendmsg+0x285/0x3e0\n __x64_sys_sendmsg+0x2d6/0x560\n x64_sys_call+0x1316/0x3cc0\n do_syscall_64+0xd8/0x1c0\n entry_SYSCALL_64_after_hwframe+0x79/0x81\n\nBytes 328-379 of 732 are uninitialized\nMemory access of size 732 starts at ffff88800e18e000\nData copied to user address 00007ff30f48aff0\n\nCPU: 2 PID: 18167 Comm: syz-executor.0 Not tainted 6.8.11 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n\nFixes copying of xfrm algorithms where some random\ndata of the structure fields can end up in userspace.\nPadding in structures may be filled with random (possibly sensitve)\ndata and should never be given directly to user-space.\n\nA similar issue was resolved in the commit\n8222d5910dae (\"xfrm: Zero padding when dumping algos and encap\")\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:45:36.880Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"references": [
{
"url": "https://git.kernel.org/stable/c/610d4cea9b442b22b4820695fc3335e64849725e"
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CVE-2024-47682 (GCVE-0-2024-47682)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: sd: Fix off-by-one error in sd_read_block_characteristics()
Ff the device returns page 0xb1 with length 8 (happens with qemu v2.x, for
example), sd_read_block_characteristics() may attempt an out-of-bounds
memory access when accessing the zoned field at offset 8.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-47753 (GCVE-0-2024-47753)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: mediatek: vcodec: Fix VP8 stateless decoder smatch warning
Fix a smatch static checker warning on vdec_vp8_req_if.c.
Which leads to a kernel crash when fb is NULL.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49906 (GCVE-0-2024-49906)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check null pointer before try to access it
[why & how]
Change the order of the pipe_ctx->plane_state check to ensure that
plane_state is not null before accessing it.
References
Impacted products
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CVE-2024-50157 (GCVE-0-2024-50157)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/bnxt_re: Avoid CPU lockups due fifo occupancy check loop
Driver waits indefinitely for the fifo occupancy to go below a threshold
as soon as the pacing interrupt is received. This can cause soft lockup on
one of the processors, if the rate of DB is very high.
Add a loop count for FPGA and exit the __wait_for_fifo_occupancy_below_th
if the loop is taking more time. Pacing will be continuing until the
occupancy is below the threshold. This is ensured by the checks in
bnxt_re_pacing_timer_exp and further scheduling the work for pacing based
on the fifo occupancy.
References
Impacted products
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CVE-2024-50044 (GCVE-0-2024-50044)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-12 12:00
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change
rfcomm_sk_state_change attempts to use sock_lock so it must never be
called with it locked but rfcomm_sock_ioctl always attempt to lock it
causing the following trace:
======================================================
WARNING: possible circular locking dependency detected
6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted
------------------------------------------------------
syz-executor386/5093 is trying to acquire lock:
ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73
but task is already holding lock:
ffff88807badfd28 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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||
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CVE-2024-50103 (GCVE-0-2024-50103)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ASoC: qcom: Fix NULL Dereference in asoc_qcom_lpass_cpu_platform_probe()
A devm_kzalloc() in asoc_qcom_lpass_cpu_platform_probe() could
possibly return NULL pointer. NULL Pointer Dereference may be
triggerred without addtional check.
Add a NULL check for the returned pointer.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b5022a36d28f6a99c1a57f54246e8b566cf094d5 Version: b5022a36d28f6a99c1a57f54246e8b566cf094d5 Version: b5022a36d28f6a99c1a57f54246e8b566cf094d5 Version: b5022a36d28f6a99c1a57f54246e8b566cf094d5 Version: b5022a36d28f6a99c1a57f54246e8b566cf094d5 Version: b5022a36d28f6a99c1a57f54246e8b566cf094d5 |
||
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CVE-2024-26703 (GCVE-0-2024-26703)
Vulnerability from cvelistv5
Published
2024-04-03 14:55
Modified
2026-05-11 20:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tracing/timerlat: Move hrtimer_init to timerlat_fd open()
Currently, the timerlat's hrtimer is initialized at the first read of
timerlat_fd, and destroyed at close(). It works, but it causes an error
if the user program open() and close() the file without reading.
Here's an example:
# echo NO_OSNOISE_WORKLOAD > /sys/kernel/debug/tracing/osnoise/options
# echo timerlat > /sys/kernel/debug/tracing/current_tracer
# cat <<EOF > ./timerlat_load.py
# !/usr/bin/env python3
timerlat_fd = open("/sys/kernel/tracing/osnoise/per_cpu/cpu0/timerlat_fd", 'r')
timerlat_fd.close();
EOF
# ./taskset -c 0 ./timerlat_load.py
<BOOM>
BUG: kernel NULL pointer dereference, address: 0000000000000010
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 1 PID: 2673 Comm: python3 Not tainted 6.6.13-200.fc39.x86_64 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-1.fc39 04/01/2014
RIP: 0010:hrtimer_active+0xd/0x50
Code: 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 48 8b 57 30 <8b> 42 10 a8 01 74 09 f3 90 8b 42 10 a8 01 75 f7 80 7f 38 00 75 1d
RSP: 0018:ffffb031009b7e10 EFLAGS: 00010286
RAX: 000000000002db00 RBX: ffff9118f786db08 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9117a0e64400 RDI: ffff9118f786db08
RBP: ffff9118f786db80 R08: ffff9117a0ddd420 R09: ffff9117804d4f70
R10: 0000000000000000 R11: 0000000000000000 R12: ffff9118f786db08
R13: ffff91178fdd5e20 R14: ffff9117840978c0 R15: 0000000000000000
FS: 00007f2ffbab1740(0000) GS:ffff9118f7840000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000010 CR3: 00000001b402e000 CR4: 0000000000750ee0
PKRU: 55555554
Call Trace:
<TASK>
? __die+0x23/0x70
? page_fault_oops+0x171/0x4e0
? srso_alias_return_thunk+0x5/0x7f
? avc_has_extended_perms+0x237/0x520
? exc_page_fault+0x7f/0x180
? asm_exc_page_fault+0x26/0x30
? hrtimer_active+0xd/0x50
hrtimer_cancel+0x15/0x40
timerlat_fd_release+0x48/0xe0
__fput+0xf5/0x290
__x64_sys_close+0x3d/0x80
do_syscall_64+0x60/0x90
? srso_alias_return_thunk+0x5/0x7f
? __x64_sys_ioctl+0x72/0xd0
? srso_alias_return_thunk+0x5/0x7f
? syscall_exit_to_user_mode+0x2b/0x40
? srso_alias_return_thunk+0x5/0x7f
? do_syscall_64+0x6c/0x90
? srso_alias_return_thunk+0x5/0x7f
? exit_to_user_mode_prepare+0x142/0x1f0
? srso_alias_return_thunk+0x5/0x7f
? syscall_exit_to_user_mode+0x2b/0x40
? srso_alias_return_thunk+0x5/0x7f
? do_syscall_64+0x6c/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f2ffb321594
Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 80 3d d5 cd 0d 00 00 74 13 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 3c c3 0f 1f 00 55 48 89 e5 48 83 ec 10 89 7d
RSP: 002b:00007ffe8d8eef18 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f2ffba4e668 RCX: 00007f2ffb321594
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007ffe8d8eef40 R08: 0000000000000000 R09: 0000000000000000
R10: 55c926e3167eae79 R11: 0000000000000202 R12: 0000000000000003
R13: 00007ffe8d8ef030 R14: 0000000000000000 R15: 00007f2ffba4e668
</TASK>
CR2: 0000000000000010
---[ end trace 0000000000000000 ]---
Move hrtimer_init to timerlat_fd open() to avoid this problem.
References
Impacted products
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CVE-2023-52919 (GCVE-0-2023-52919)
Vulnerability from cvelistv5
Published
2024-10-22 07:37
Modified
2026-05-11 19:35
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfc: nci: fix possible NULL pointer dereference in send_acknowledge()
Handle memory allocation failure from nci_skb_alloc() (calling
alloc_skb()) to avoid possible NULL pointer dereference.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 391d8a2da787257aeaf952c974405b53926e3fb3 Version: 391d8a2da787257aeaf952c974405b53926e3fb3 Version: 391d8a2da787257aeaf952c974405b53926e3fb3 Version: 391d8a2da787257aeaf952c974405b53926e3fb3 Version: 391d8a2da787257aeaf952c974405b53926e3fb3 Version: 391d8a2da787257aeaf952c974405b53926e3fb3 Version: 391d8a2da787257aeaf952c974405b53926e3fb3 Version: 391d8a2da787257aeaf952c974405b53926e3fb3 |
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CVE-2024-50287 (GCVE-0-2024-50287)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: v4l2-tpg: prevent the risk of a division by zero
As reported by Coverity, the logic at tpg_precalculate_line()
blindly rescales the buffer even when scaled_witdh is equal to
zero. If this ever happens, this will cause a division by zero.
Instead, add a WARN_ON_ONCE() to trigger such cases and return
without doing any precalculation.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 63881df94d3ecbb0deafa0b77da62ff2f32961c4 Version: 63881df94d3ecbb0deafa0b77da62ff2f32961c4 Version: 63881df94d3ecbb0deafa0b77da62ff2f32961c4 Version: 63881df94d3ecbb0deafa0b77da62ff2f32961c4 Version: 63881df94d3ecbb0deafa0b77da62ff2f32961c4 Version: 63881df94d3ecbb0deafa0b77da62ff2f32961c4 Version: 63881df94d3ecbb0deafa0b77da62ff2f32961c4 Version: 63881df94d3ecbb0deafa0b77da62ff2f32961c4 |
||
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CVE-2022-48989 (GCVE-0-2022-48989)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fscache: Fix oops due to race with cookie_lru and use_cookie
If a cookie expires from the LRU and the LRU_DISCARD flag is set, but
the state machine has not run yet, it's possible another thread can call
fscache_use_cookie and begin to use it.
When the cookie_worker finally runs, it will see the LRU_DISCARD flag
set, transition the cookie->state to LRU_DISCARDING, which will then
withdraw the cookie. Once the cookie is withdrawn the object is removed
the below oops will occur because the object associated with the cookie
is now NULL.
Fix the oops by clearing the LRU_DISCARD bit if another thread uses the
cookie before the cookie_worker runs.
BUG: kernel NULL pointer dereference, address: 0000000000000008
...
CPU: 31 PID: 44773 Comm: kworker/u130:1 Tainted: G E 6.0.0-5.dneg.x86_64 #1
Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: events_unbound netfs_rreq_write_to_cache_work [netfs]
RIP: 0010:cachefiles_prepare_write+0x28/0x90 [cachefiles]
...
Call Trace:
netfs_rreq_write_to_cache_work+0x11c/0x320 [netfs]
process_one_work+0x217/0x3e0
worker_thread+0x4a/0x3b0
kthread+0xd6/0x100
References
Impacted products
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CVE-2024-50231 (GCVE-0-2024-50231)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iio: gts-helper: Fix memory leaks in iio_gts_build_avail_scale_table()
modprobe iio-test-gts and rmmod it, then the following memory leak
occurs:
unreferenced object 0xffffff80c810be00 (size 64):
comm "kunit_try_catch", pid 1654, jiffies 4294913981
hex dump (first 32 bytes):
02 00 00 00 08 00 00 00 20 00 00 00 40 00 00 00 ........ ...@...
80 00 00 00 00 02 00 00 00 04 00 00 00 08 00 00 ................
backtrace (crc a63d875e):
[<0000000028c1b3c2>] kmemleak_alloc+0x34/0x40
[<000000001d6ecc87>] __kmalloc_noprof+0x2bc/0x3c0
[<00000000393795c1>] devm_iio_init_iio_gts+0x4b4/0x16f4
[<0000000071bb4b09>] 0xffffffdf052a62e0
[<000000000315bc18>] 0xffffffdf052a6488
[<00000000f9dc55b5>] kunit_try_run_case+0x13c/0x3ac
[<00000000175a3fd4>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<00000000f505065d>] kthread+0x2e8/0x374
[<00000000bbfb0e5d>] ret_from_fork+0x10/0x20
unreferenced object 0xffffff80cbfe9e70 (size 16):
comm "kunit_try_catch", pid 1658, jiffies 4294914015
hex dump (first 16 bytes):
10 00 00 00 40 00 00 00 80 00 00 00 00 00 00 00 ....@...........
backtrace (crc 857f0cb4):
[<0000000028c1b3c2>] kmemleak_alloc+0x34/0x40
[<000000001d6ecc87>] __kmalloc_noprof+0x2bc/0x3c0
[<00000000393795c1>] devm_iio_init_iio_gts+0x4b4/0x16f4
[<0000000071bb4b09>] 0xffffffdf052a62e0
[<000000007d089d45>] 0xffffffdf052a6864
[<00000000f9dc55b5>] kunit_try_run_case+0x13c/0x3ac
[<00000000175a3fd4>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<00000000f505065d>] kthread+0x2e8/0x374
[<00000000bbfb0e5d>] ret_from_fork+0x10/0x20
......
It includes 5*5 times "size 64" memory leaks, which correspond to 5 times
test_init_iio_gain_scale() calls with gts_test_gains size 10 (10*size(int))
and gts_test_itimes size 5. It also includes 5*1 times "size 16"
memory leak, which correspond to one time __test_init_iio_gain_scale()
call with gts_test_gains_gain_low size 3 (3*size(int)) and gts_test_itimes
size 5.
The reason is that the per_time_gains[i] is not freed which is allocated in
the "gts->num_itime" for loop in iio_gts_build_avail_scale_table().
References
Impacted products
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CVE-2022-48959 (GCVE-0-2022-48959)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: dsa: sja1105: fix memory leak in sja1105_setup_devlink_regions()
When dsa_devlink_region_create failed in sja1105_setup_devlink_regions(),
priv->regions is not released.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2022-48972 (GCVE-0-2022-48972)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add()
Kernel fault injection test reports null-ptr-deref as follows:
BUG: kernel NULL pointer dereference, address: 0000000000000008
RIP: 0010:cfg802154_netdev_notifier_call+0x120/0x310 include/linux/list.h:114
Call Trace:
<TASK>
raw_notifier_call_chain+0x6d/0xa0 kernel/notifier.c:87
call_netdevice_notifiers_info+0x6e/0xc0 net/core/dev.c:1944
unregister_netdevice_many_notify+0x60d/0xcb0 net/core/dev.c:1982
unregister_netdevice_queue+0x154/0x1a0 net/core/dev.c:10879
register_netdevice+0x9a8/0xb90 net/core/dev.c:10083
ieee802154_if_add+0x6ed/0x7e0 net/mac802154/iface.c:659
ieee802154_register_hw+0x29c/0x330 net/mac802154/main.c:229
mcr20a_probe+0xaaa/0xcb1 drivers/net/ieee802154/mcr20a.c:1316
ieee802154_if_add() allocates wpan_dev as netdev's private data, but not
init the list in struct wpan_dev. cfg802154_netdev_notifier_call() manage
the list when device register/unregister, and may lead to null-ptr-deref.
Use INIT_LIST_HEAD() on it to initialize it correctly.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fcf39e6e88e9492f6688ec8ba4e1be622b904232 Version: fcf39e6e88e9492f6688ec8ba4e1be622b904232 Version: fcf39e6e88e9492f6688ec8ba4e1be622b904232 Version: fcf39e6e88e9492f6688ec8ba4e1be622b904232 Version: fcf39e6e88e9492f6688ec8ba4e1be622b904232 Version: fcf39e6e88e9492f6688ec8ba4e1be622b904232 Version: fcf39e6e88e9492f6688ec8ba4e1be622b904232 Version: fcf39e6e88e9492f6688ec8ba4e1be622b904232 |
||
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CVE-2024-50179 (GCVE-0-2024-50179)
Vulnerability from cvelistv5
Published
2024-11-08 05:24
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ceph: remove the incorrect Fw reference check when dirtying pages
When doing the direct-io reads it will also try to mark pages dirty,
but for the read path it won't hold the Fw caps and there is case
will it get the Fw reference.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 5dda377cf0a6bd43f64a3c1efb670d7c668e7b29 Version: 5dda377cf0a6bd43f64a3c1efb670d7c668e7b29 Version: 5dda377cf0a6bd43f64a3c1efb670d7c668e7b29 Version: 5dda377cf0a6bd43f64a3c1efb670d7c668e7b29 Version: 5dda377cf0a6bd43f64a3c1efb670d7c668e7b29 Version: 5dda377cf0a6bd43f64a3c1efb670d7c668e7b29 Version: 5dda377cf0a6bd43f64a3c1efb670d7c668e7b29 Version: 5dda377cf0a6bd43f64a3c1efb670d7c668e7b29 Version: 5dda377cf0a6bd43f64a3c1efb670d7c668e7b29 |
||
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CVE-2024-49974 (GCVE-0-2024-49974)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
NFSD: Limit the number of concurrent async COPY operations
Nothing appears to limit the number of concurrent async COPY
operations that clients can start. In addition, AFAICT each async
COPY can copy an unlimited number of 4MB chunks, so can run for a
long time. Thus IMO async COPY can become a DoS vector.
Add a restriction mechanism that bounds the number of concurrent
background COPY operations. Start simple and try to be fair -- this
patch implements a per-namespace limit.
An async COPY request that occurs while this limit is exceeded gets
NFS4ERR_DELAY. The requesting client can choose to send the request
again after a delay or fall back to a traditional read/write style
copy.
If there is need to make the mechanism more sophisticated, we can
visit that in future patches.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 Version: e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 Version: e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 Version: e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 Version: e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 Version: e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 Version: e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 |
||
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CVE-2024-26767 (GCVE-0-2024-26767)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2026-05-11 20:03
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: fixed integer types and null check locations
[why]:
issues fixed:
- comparison with wider integer type in loop condition which can cause
infinite loops
- pointer dereference before null check
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-46777 (GCVE-0-2024-46777)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
udf: Avoid excessive partition lengths
Avoid mounting filesystems where the partition would overflow the
32-bits used for block number. Also refuse to mount filesystems where
the partition length is so large we cannot safely index bits in a
block bitmap.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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"value": "AV:L - Exploitation requires the attacker to get a crafted UDF filesystem image mounted on the target \u2014 via removable media on a kiosk/workstation or a loop-mounted image \u2014 which is local access, not network reachability.\nAC:L - The attacker fully controls every field of the on-disk Partition Descriptor and can set `partitionLength`/`partitionStartingLocation` to deterministic overflow-triggering values; no race or uncontrollable precondition is involved.\nPR:L - On typical desktop, kiosk and embedded systems udisks2/systemd automounts attacker-supplied UDF media on behalf of a local unprivileged user, so no elevated privileges are needed to get the malicious partition descriptor parsed.\nUI:N - Under the automount scenario the local attacker inserts the media and the mount plus subsequent allocation activity proceed without any separate victim action.\nS:U - The corruption is confined to kernel memory and the block device within the same security authority; no VM, IOMMU or sandbox boundary is crossed.\nC:H - The negative `block_group` yields an out-of-bounds read of `bitmap-\u003es_block_bitmap[]` far past the allocation, and the 32-bit physical block wrap makes the filesystem read blocks outside the partition, exposing arbitrary on-device and kernel heap data.\nI:H - `read_block_bitmap()` performs an out-of-bounds pointer store into `s_block_bitmap[]` and the bogus `buffer_head` is then used for `udf_clear_bit()`/`udf_set_bit()` on `bh-\u003eb_data`, giving a controlled-offset heap write; the block-number wrap additionally lets file data overwrite blocks outside the partition.\nA:H - The wild-pointer dereference of the out-of-bounds `struct buffer_head *` reliably oopses the kernel, and the resulting heap and on-disk metadata corruption causes further crashes."
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"datePublished": "2024-09-18T07:12:34.315Z",
"dateReserved": "2024-09-11T15:12:18.275Z",
"dateUpdated": "2026-08-05T11:38:29.949Z",
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CVE-2024-53095 (GCVE-0-2024-53095)
Vulnerability from cvelistv5
Published
2024-11-21 18:17
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
smb: client: Fix use-after-free of network namespace.
Recently, we got a customer report that CIFS triggers oops while
reconnecting to a server. [0]
The workload runs on Kubernetes, and some pods mount CIFS servers
in non-root network namespaces. The problem rarely happened, but
it was always while the pod was dying.
The root cause is wrong reference counting for network namespace.
CIFS uses kernel sockets, which do not hold refcnt of the netns that
the socket belongs to. That means CIFS must ensure the socket is
always freed before its netns; otherwise, use-after-free happens.
The repro steps are roughly:
1. mount CIFS in a non-root netns
2. drop packets from the netns
3. destroy the netns
4. unmount CIFS
We can reproduce the issue quickly with the script [1] below and see
the splat [2] if CONFIG_NET_NS_REFCNT_TRACKER is enabled.
When the socket is TCP, it is hard to guarantee the netns lifetime
without holding refcnt due to async timers.
Let's hold netns refcnt for each socket as done for SMC in commit
9744d2bf1976 ("smc: Fix use-after-free in tcp_write_timer_handler().").
Note that we need to move put_net() from cifs_put_tcp_session() to
clean_demultiplex_info(); otherwise, __sock_create() still could touch a
freed netns while cifsd tries to reconnect from cifs_demultiplex_thread().
Also, maybe_get_net() cannot be put just before __sock_create() because
the code is not under RCU and there is a small chance that the same
address happened to be reallocated to another netns.
[0]:
CIFS: VFS: \\XXXXXXXXXXX has not responded in 15 seconds. Reconnecting...
CIFS: Serverclose failed 4 times, giving up
Unable to handle kernel paging request at virtual address 14de99e461f84a07
Mem abort info:
ESR = 0x0000000096000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
Data abort info:
ISV = 0, ISS = 0x00000004
CM = 0, WnR = 0
[14de99e461f84a07] address between user and kernel address ranges
Internal error: Oops: 0000000096000004 [#1] SMP
Modules linked in: cls_bpf sch_ingress nls_utf8 cifs cifs_arc4 cifs_md4 dns_resolver tcp_diag inet_diag veth xt_state xt_connmark nf_conntrack_netlink xt_nat xt_statistic xt_MASQUERADE xt_mark xt_addrtype ipt_REJECT nf_reject_ipv4 nft_chain_nat nf_nat xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_comment nft_compat nf_tables nfnetlink overlay nls_ascii nls_cp437 sunrpc vfat fat aes_ce_blk aes_ce_cipher ghash_ce sm4_ce_cipher sm4 sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 sha1_ce ena button sch_fq_codel loop fuse configfs dmi_sysfs sha2_ce sha256_arm64 dm_mirror dm_region_hash dm_log dm_mod dax efivarfs
CPU: 5 PID: 2690970 Comm: cifsd Not tainted 6.1.103-109.184.amzn2023.aarch64 #1
Hardware name: Amazon EC2 r7g.4xlarge/, BIOS 1.0 11/1/2018
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : fib_rules_lookup+0x44/0x238
lr : __fib_lookup+0x64/0xbc
sp : ffff8000265db790
x29: ffff8000265db790 x28: 0000000000000000 x27: 000000000000bd01
x26: 0000000000000000 x25: ffff000b4baf8000 x24: ffff00047b5e4580
x23: ffff8000265db7e0 x22: 0000000000000000 x21: ffff00047b5e4500
x20: ffff0010e3f694f8 x19: 14de99e461f849f7 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 3f92800abd010002
x11: 0000000000000001 x10: ffff0010e3f69420 x9 : ffff800008a6f294
x8 : 0000000000000000 x7 : 0000000000000006 x6 : 0000000000000000
x5 : 0000000000000001 x4 : ffff001924354280 x3 : ffff8000265db7e0
x2 : 0000000000000000 x1 : ffff0010e3f694f8 x0 : ffff00047b5e4500
Call trace:
fib_rules_lookup+0x44/0x238
__fib_lookup+0x64/0xbc
ip_route_output_key_hash_rcu+0x2c4/0x398
ip_route_output_key_hash+0x60/0x8c
tcp_v4_connect+0x290/0x488
__inet_stream_connect+0x108/0x3d0
inet_stream_connect+0x50/0x78
kernel_connect+0x6c/0xac
generic_ip_conne
---truncated---
References
Impacted products
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"value": "AV:N - The use-after-free is driven by the remote SMB server connection state \u2014 a malicious or blackholed server keeps cifsd in the `generic_ip_connect()` reconnect loop and leaves TCP retransmit timers pending, which is what turns the netns refcount bug into an actual dereference of freed memory. The vulnerable code processes data/connection state from a remote peer over TCP/445, so it is reachable across the network.\nAC:L - The put_net()-before-sock_release() ordering is unconditional in the code, and the attacker-side condition (server not responding, keeping the socket in an endless reconnect loop) is entirely under remote control; the commit notes the supplied script reproduces the issue quickly. No memory layout or victim state outside the attacker\u0027s influence is required.\nPR:N - The remote SMB server needs no account, credentials, or capabilities on the target system \u2014 the reconnect path and the orphaned socket\u0027s TCP timers execute before and independently of any SMB session authentication.\nUI:N - The CIFS mount and the containerized netns are pre-existing deployment state, not an action performed as part of the attack; the UAF fires from the kernel\u0027s own cifsd thread and TCP timer handlers with no victim participation.\nS:U - The corruption is of a kernel slab object (`struct net`) and all consequences remain inside the kernel\u0027s own security authority, with no VM, IOMMU, or sandbox boundary crossed.\nC:H - The freed `struct net` is read and walked by `fib_rules_lookup()` (`net-\u003erules_ops` list traversal), so reclaimed and groomable slab contents are interpreted as kernel data structures, yielding an arbitrary kernel-memory read primitive and pointer disclosure.\nI:H - `fib_rules_lookup()` makes indirect calls through `ops-\u003ematch`/`ops-\u003eaction`/`ops-\u003esuppress` function pointers loaded from the freed object, so heap spraying of the reclaimed netns allocation gives control-flow hijack and arbitrary write, escalating to full kernel compromise.\nA:H - The bug was observed in production as a kernel oops (\"Unable to handle kernel paging request\", `Internal error: Oops` in `fib_rules_lookup`) killing the cifsd thread, and any repeated reconnect/teardown cycle reliably panics the machine."
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CVE-2024-47745 (GCVE-0-2024-47745)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: call the security_mmap_file() LSM hook in remap_file_pages()
The remap_file_pages syscall handler calls do_mmap() directly, which
doesn't contain the LSM security check. And if the process has called
personality(READ_IMPLIES_EXEC) before and remap_file_pages() is called for
RW pages, this will actually result in remapping the pages to RWX,
bypassing a W^X policy enforced by SELinux.
So we should check prot by security_mmap_file LSM hook in the
remap_file_pages syscall handler before do_mmap() is called. Otherwise, it
potentially permits an attacker to bypass a W^X policy enforced by
SELinux.
The bypass is similar to CVE-2016-10044, which bypass the same thing via
AIO and can be found in [1].
The PoC:
$ cat > test.c
int main(void) {
size_t pagesz = sysconf(_SC_PAGE_SIZE);
int mfd = syscall(SYS_memfd_create, "test", 0);
const char *buf = mmap(NULL, 4 * pagesz, PROT_READ | PROT_WRITE,
MAP_SHARED, mfd, 0);
unsigned int old = syscall(SYS_personality, 0xffffffff);
syscall(SYS_personality, READ_IMPLIES_EXEC | old);
syscall(SYS_remap_file_pages, buf, pagesz, 0, 2, 0);
syscall(SYS_personality, old);
// show the RWX page exists even if W^X policy is enforced
int fd = open("/proc/self/maps", O_RDONLY);
unsigned char buf2[1024];
while (1) {
int ret = read(fd, buf2, 1024);
if (ret <= 0) break;
write(1, buf2, ret);
}
close(fd);
}
$ gcc test.c -o test
$ ./test | grep rwx
7f1836c34000-7f1836c35000 rwxs 00002000 00:01 2050 /memfd:test (deleted)
[PM: subject line tweaks]
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: c8d78c1823f46519473949d33f0d1d33fe21ea16 Version: c8d78c1823f46519473949d33f0d1d33fe21ea16 Version: c8d78c1823f46519473949d33f0d1d33fe21ea16 Version: c8d78c1823f46519473949d33f0d1d33fe21ea16 Version: c8d78c1823f46519473949d33f0d1d33fe21ea16 Version: 097f98edde717ce09f217d8a285fe357dcd29fd1 Version: 3.16.59 ≤ |
||
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CVE-2024-50078 (GCVE-0-2024-50078)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: Call iso_exit() on module unload
If iso_init() has been called, iso_exit() must be called on module
unload. Without that, the struct proto that iso_init() registered with
proto_register() becomes invalid, which could cause unpredictable
problems later. In my case, with CONFIG_LIST_HARDENED and
CONFIG_BUG_ON_DATA_CORRUPTION enabled, loading the module again usually
triggers this BUG():
list_add corruption. next->prev should be prev (ffffffffb5355fd0),
but was 0000000000000068. (next=ffffffffc0a010d0).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:29!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 4159 Comm: modprobe Not tainted 6.10.11-4+bt2-ao-desktop #1
RIP: 0010:__list_add_valid_or_report+0x61/0xa0
...
__list_add_valid_or_report+0x61/0xa0
proto_register+0x299/0x320
hci_sock_init+0x16/0xc0 [bluetooth]
bt_init+0x68/0xd0 [bluetooth]
__pfx_bt_init+0x10/0x10 [bluetooth]
do_one_initcall+0x80/0x2f0
do_init_module+0x8b/0x230
__do_sys_init_module+0x15f/0x190
do_syscall_64+0x68/0x110
...
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2023-52766 (GCVE-0-2023-52766)
Vulnerability from cvelistv5
Published
2024-05-21 15:30
Modified
2026-08-05 09:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i3c: mipi-i3c-hci: Fix out of bounds access in hci_dma_irq_handler
Do not loop over ring headers in hci_dma_irq_handler() that are not
allocated and enabled in hci_dma_init(). Otherwise out of bounds access
will occur from rings->headers[i] access when i >= number of allocated
ring headers.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-45016 (GCVE-0-2024-45016)
Vulnerability from cvelistv5
Published
2024-09-11 15:13
Modified
2026-08-05 11:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netem: fix return value if duplicate enqueue fails
There is a bug in netem_enqueue() introduced by
commit 5845f706388a ("net: netem: fix skb length BUG_ON in __skb_to_sgvec")
that can lead to a use-after-free.
This commit made netem_enqueue() always return NET_XMIT_SUCCESS
when a packet is duplicated, which can cause the parent qdisc's q.qlen
to be mistakenly incremented. When this happens qlen_notify() may be
skipped on the parent during destruction, leaving a dangling pointer
for some classful qdiscs like DRR.
There are two ways for the bug happen:
- If the duplicated packet is dropped by rootq->enqueue() and then
the original packet is also dropped.
- If rootq->enqueue() sends the duplicated packet to a different qdisc
and the original packet is dropped.
In both cases NET_XMIT_SUCCESS is returned even though no packets
are enqueued at the netem qdisc.
The fix is to defer the enqueue of the duplicate packet until after
the original packet has been guaranteed to return NET_XMIT_SUCCESS.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
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CVE-2024-50027 (GCVE-0-2024-50027)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
thermal: core: Free tzp copy along with the thermal zone
The object pointed to by tz->tzp may still be accessed after being
freed in thermal_zone_device_unregister(), so move the freeing of it
to the point after the removal completion has been completed at which
it cannot be accessed any more.
References
Impacted products
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CVE-2022-49010 (GCVE-0-2022-49010)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
hwmon: (coretemp) Check for null before removing sysfs attrs
If coretemp_add_core() gets an error then pdata->core_data[indx]
is already NULL and has been kfreed. Don't pass that to
sysfs_remove_group() as that will crash in sysfs_remove_group().
[Shortened for readability]
[91854.020159] sysfs: cannot create duplicate filename '/devices/platform/coretemp.0/hwmon/hwmon2/temp20_label'
<cpu offline>
[91855.126115] BUG: kernel NULL pointer dereference, address: 0000000000000188
[91855.165103] #PF: supervisor read access in kernel mode
[91855.194506] #PF: error_code(0x0000) - not-present page
[91855.224445] PGD 0 P4D 0
[91855.238508] Oops: 0000 [#1] PREEMPT SMP PTI
...
[91855.342716] RIP: 0010:sysfs_remove_group+0xc/0x80
...
[91855.796571] Call Trace:
[91855.810524] coretemp_cpu_offline+0x12b/0x1dd [coretemp]
[91855.841738] ? coretemp_cpu_online+0x180/0x180 [coretemp]
[91855.871107] cpuhp_invoke_callback+0x105/0x4b0
[91855.893432] cpuhp_thread_fun+0x8e/0x150
...
Fix this by checking for NULL first.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 199e0de7f5df31a4fc485d4aaaf8a07718252ace Version: 199e0de7f5df31a4fc485d4aaaf8a07718252ace Version: 199e0de7f5df31a4fc485d4aaaf8a07718252ace Version: 199e0de7f5df31a4fc485d4aaaf8a07718252ace Version: 199e0de7f5df31a4fc485d4aaaf8a07718252ace Version: 199e0de7f5df31a4fc485d4aaaf8a07718252ace Version: 199e0de7f5df31a4fc485d4aaaf8a07718252ace Version: 199e0de7f5df31a4fc485d4aaaf8a07718252ace |
||
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CVE-2022-48978 (GCVE-0-2022-48978)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
HID: core: fix shift-out-of-bounds in hid_report_raw_event
Syzbot reported shift-out-of-bounds in hid_report_raw_event.
microsoft 0003:045E:07DA.0001: hid_field_extract() called with n (128) >
32! (swapper/0)
======================================================================
UBSAN: shift-out-of-bounds in drivers/hid/hid-core.c:1323:20
shift exponent 127 is too large for 32-bit type 'int'
CPU: 0 PID: 0 Comm: swapper/0 Not tainted
6.1.0-rc4-syzkaller-00159-g4bbf3422df78 #0
Hardware name: Google Compute Engine/Google Compute Engine, BIOS
Google 10/26/2022
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
ubsan_epilogue lib/ubsan.c:151 [inline]
__ubsan_handle_shift_out_of_bounds+0x3a6/0x420 lib/ubsan.c:322
snto32 drivers/hid/hid-core.c:1323 [inline]
hid_input_fetch_field drivers/hid/hid-core.c:1572 [inline]
hid_process_report drivers/hid/hid-core.c:1665 [inline]
hid_report_raw_event+0xd56/0x18b0 drivers/hid/hid-core.c:1998
hid_input_report+0x408/0x4f0 drivers/hid/hid-core.c:2066
hid_irq_in+0x459/0x690 drivers/hid/usbhid/hid-core.c:284
__usb_hcd_giveback_urb+0x369/0x530 drivers/usb/core/hcd.c:1671
dummy_timer+0x86b/0x3110 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0xf5/0x210 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers+0x76a/0x980 kernel/time/timer.c:1790
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803
__do_softirq+0x277/0x75b kernel/softirq.c:571
__irq_exit_rcu+0xec/0x170 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1107
======================================================================
If the size of the integer (unsigned n) is bigger than 32 in snto32(),
shift exponent will be too large for 32-bit type 'int', resulting in a
shift-out-of-bounds bug.
Fix this by adding a check on the size of the integer (unsigned n) in
snto32(). To add support for n greater than 32 bits, set n to 32, if n
is greater than 32.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: dde5845a529ff753364a6d1aea61180946270bfa Version: dde5845a529ff753364a6d1aea61180946270bfa Version: dde5845a529ff753364a6d1aea61180946270bfa Version: dde5845a529ff753364a6d1aea61180946270bfa Version: dde5845a529ff753364a6d1aea61180946270bfa Version: dde5845a529ff753364a6d1aea61180946270bfa Version: dde5845a529ff753364a6d1aea61180946270bfa Version: dde5845a529ff753364a6d1aea61180946270bfa |
||
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CVE-2024-49928 (GCVE-0-2024-49928)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw89: avoid reading out of bounds when loading TX power FW elements
Because the loop-expression will do one more time before getting false from
cond-expression, the original code copied one more entry size beyond valid
region.
Fix it by moving the entry copy to loop-body.
References
Impacted products
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CVE-2024-49901 (GCVE-0-2024-49901)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/msm/adreno: Assign msm_gpu->pdev earlier to avoid nullptrs
There are some cases, such as the one uncovered by Commit 46d4efcccc68
("drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails")
where
msm_gpu_cleanup() : platform_set_drvdata(gpu->pdev, NULL);
is called on gpu->pdev == NULL, as the GPU device has not been fully
initialized yet.
Turns out that there's more than just the aforementioned path that
causes this to happen (e.g. the case when there's speedbin data in the
catalog, but opp-supported-hw is missing in DT).
Assigning msm_gpu->pdev earlier seems like the least painful solution
to this, therefore do so.
Patchwork: https://patchwork.freedesktop.org/patch/602742/
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50224 (GCVE-0-2024-50224)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
spi: spi-fsl-dspi: Fix crash when not using GPIO chip select
Add check for the return value of spi_get_csgpiod() to avoid passing a NULL
pointer to gpiod_direction_output(), preventing a crash when GPIO chip
select is not used.
Fix below crash:
[ 4.251960] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 4.260762] Mem abort info:
[ 4.263556] ESR = 0x0000000096000004
[ 4.267308] EC = 0x25: DABT (current EL), IL = 32 bits
[ 4.272624] SET = 0, FnV = 0
[ 4.275681] EA = 0, S1PTW = 0
[ 4.278822] FSC = 0x04: level 0 translation fault
[ 4.283704] Data abort info:
[ 4.286583] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
[ 4.292074] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 4.297130] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 4.302445] [0000000000000000] user address but active_mm is swapper
[ 4.308805] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
[ 4.315072] Modules linked in:
[ 4.318124] CPU: 2 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-rc4-next-20241023-00008-ga20ec42c5fc1 #359
[ 4.328130] Hardware name: LS1046A QDS Board (DT)
[ 4.332832] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 4.339794] pc : gpiod_direction_output+0x34/0x5c
[ 4.344505] lr : gpiod_direction_output+0x18/0x5c
[ 4.349208] sp : ffff80008003b8f0
[ 4.352517] x29: ffff80008003b8f0 x28: 0000000000000000 x27: ffffc96bcc7e9068
[ 4.359659] x26: ffffc96bcc6e00b0 x25: ffffc96bcc598398 x24: ffff447400132810
[ 4.366800] x23: 0000000000000000 x22: 0000000011e1a300 x21: 0000000000020002
[ 4.373940] x20: 0000000000000000 x19: 0000000000000000 x18: ffffffffffffffff
[ 4.381081] x17: ffff44740016e600 x16: 0000000500000003 x15: 0000000000000007
[ 4.388221] x14: 0000000000989680 x13: 0000000000020000 x12: 000000000000001e
[ 4.395362] x11: 0044b82fa09b5a53 x10: 0000000000000019 x9 : 0000000000000008
[ 4.402502] x8 : 0000000000000002 x7 : 0000000000000007 x6 : 0000000000000000
[ 4.409641] x5 : 0000000000000200 x4 : 0000000002000000 x3 : 0000000000000000
[ 4.416781] x2 : 0000000000022202 x1 : 0000000000000000 x0 : 0000000000000000
[ 4.423921] Call trace:
[ 4.426362] gpiod_direction_output+0x34/0x5c (P)
[ 4.431067] gpiod_direction_output+0x18/0x5c (L)
[ 4.435771] dspi_setup+0x220/0x334
References
Impacted products
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CVE-2024-35980 (GCVE-0-2024-35980)
Vulnerability from cvelistv5
Published
2024-05-20 09:42
Modified
2026-08-05 11:31
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
arm64: tlb: Fix TLBI RANGE operand
KVM/arm64 relies on TLBI RANGE feature to flush TLBs when the dirty
pages are collected by VMM and the page table entries become write
protected during live migration. Unfortunately, the operand passed
to the TLBI RANGE instruction isn't correctly sorted out due to the
commit 117940aa6e5f ("KVM: arm64: Define kvm_tlb_flush_vmid_range()").
It leads to crash on the destination VM after live migration because
TLBs aren't flushed completely and some of the dirty pages are missed.
For example, I have a VM where 8GB memory is assigned, starting from
0x40000000 (1GB). Note that the host has 4KB as the base page size.
In the middile of migration, kvm_tlb_flush_vmid_range() is executed
to flush TLBs. It passes MAX_TLBI_RANGE_PAGES as the argument to
__kvm_tlb_flush_vmid_range() and __flush_s2_tlb_range_op(). SCALE#3
and NUM#31, corresponding to MAX_TLBI_RANGE_PAGES, isn't supported
by __TLBI_RANGE_NUM(). In this specific case, -1 has been returned
from __TLBI_RANGE_NUM() for SCALE#3/2/1/0 and rejected by the loop
in the __flush_tlb_range_op() until the variable @scale underflows
and becomes -9, 0xffff708000040000 is set as the operand. The operand
is wrong since it's sorted out by __TLBI_VADDR_RANGE() according to
invalid @scale and @num.
Fix it by extending __TLBI_RANGE_NUM() to support the combination of
SCALE#3 and NUM#31. With the changes, [-1 31] instead of [-1 30] can
be returned from the macro, meaning the TLBs for 0x200000 pages in the
above example can be flushed in one shoot with SCALE#3 and NUM#31. The
macro TLBI_RANGE_MASK is dropped since no one uses it any more. The
comments are also adjusted accordingly.
References
Impacted products
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CVE-2024-49933 (GCVE-0-2024-49933)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
blk_iocost: fix more out of bound shifts
Recently running UBSAN caught few out of bound shifts in the
ioc_forgive_debts() function:
UBSAN: shift-out-of-bounds in block/blk-iocost.c:2142:38
shift exponent 80 is too large for 64-bit type 'u64' (aka 'unsigned long
long')
...
UBSAN: shift-out-of-bounds in block/blk-iocost.c:2144:30
shift exponent 80 is too large for 64-bit type 'u64' (aka 'unsigned long
long')
...
Call Trace:
<IRQ>
dump_stack_lvl+0xca/0x130
__ubsan_handle_shift_out_of_bounds+0x22c/0x280
? __lock_acquire+0x6441/0x7c10
ioc_timer_fn+0x6cec/0x7750
? blk_iocost_init+0x720/0x720
? call_timer_fn+0x5d/0x470
call_timer_fn+0xfa/0x470
? blk_iocost_init+0x720/0x720
__run_timer_base+0x519/0x700
...
Actual impact of this issue was not identified but I propose to fix the
undefined behaviour.
The proposed fix to prevent those out of bound shifts consist of
precalculating exponent before using it the shift operations by taking
min value from the actual exponent and maximum possible number of bits.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: bec02dbbafad534674309f8b948094900f456797 Version: bec02dbbafad534674309f8b948094900f456797 Version: bec02dbbafad534674309f8b948094900f456797 Version: bec02dbbafad534674309f8b948094900f456797 Version: bec02dbbafad534674309f8b948094900f456797 Version: bec02dbbafad534674309f8b948094900f456797 Version: bec02dbbafad534674309f8b948094900f456797 |
||
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CVE-2024-50076 (GCVE-0-2024-50076)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vt: prevent kernel-infoleak in con_font_get()
font.data may not initialize all memory spaces depending on the implementation
of vc->vc_sw->con_font_get. This may cause info-leak, so to prevent this, it
is safest to modify it to initialize the allocated memory space to 0, and it
generally does not affect the overall performance of the system.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2024-53114 (GCVE-0-2024-53114)
Vulnerability from cvelistv5
Published
2024-12-02 13:44
Modified
2026-05-11 20:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
x86/CPU/AMD: Clear virtualized VMLOAD/VMSAVE on Zen4 client
A number of Zen4 client SoCs advertise the ability to use virtualized
VMLOAD/VMSAVE, but using these instructions is reported to be a cause
of a random host reboot.
These instructions aren't intended to be advertised on Zen4 client
so clear the capability.
References
Impacted products
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CVE-2022-48949 (GCVE-0-2022-48949)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
igb: Initialize mailbox message for VF reset
When a MAC address is not assigned to the VF, that portion of the message
sent to the VF is not set. The memory, however, is allocated from the
stack meaning that information may be leaked to the VM. Initialize the
message buffer to 0 so that no information is passed to the VM in this
case.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
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"dateUpdated": "2026-05-11T18:50:16.253Z",
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CVE-2024-46766 (GCVE-0-2024-46766)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-05-11 20:35
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: move netif_queue_set_napi to rtnl-protected sections
Currently, netif_queue_set_napi() is called from ice_vsi_rebuild() that is
not rtnl-locked when called from the reset. This creates the need to take
the rtnl_lock just for a single function and complicates the
synchronization with .ndo_bpf. At the same time, there no actual need to
fill napi-to-queue information at this exact point.
Fill napi-to-queue information when opening the VSI and clear it when the
VSI is being closed. Those routines are already rtnl-locked.
Also, rewrite napi-to-queue assignment in a way that prevents inclusion of
XDP queues, as this leads to out-of-bounds writes, such as one below.
[ +0.000004] BUG: KASAN: slab-out-of-bounds in netif_queue_set_napi+0x1c2/0x1e0
[ +0.000012] Write of size 8 at addr ffff889881727c80 by task bash/7047
[ +0.000006] CPU: 24 PID: 7047 Comm: bash Not tainted 6.10.0-rc2+ #2
[ +0.000004] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0014.082620210524 08/26/2021
[ +0.000003] Call Trace:
[ +0.000003] <TASK>
[ +0.000002] dump_stack_lvl+0x60/0x80
[ +0.000007] print_report+0xce/0x630
[ +0.000007] ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[ +0.000007] ? __virt_addr_valid+0x1c9/0x2c0
[ +0.000005] ? netif_queue_set_napi+0x1c2/0x1e0
[ +0.000003] kasan_report+0xe9/0x120
[ +0.000004] ? netif_queue_set_napi+0x1c2/0x1e0
[ +0.000004] netif_queue_set_napi+0x1c2/0x1e0
[ +0.000005] ice_vsi_close+0x161/0x670 [ice]
[ +0.000114] ice_dis_vsi+0x22f/0x270 [ice]
[ +0.000095] ice_pf_dis_all_vsi.constprop.0+0xae/0x1c0 [ice]
[ +0.000086] ice_prepare_for_reset+0x299/0x750 [ice]
[ +0.000087] pci_dev_save_and_disable+0x82/0xd0
[ +0.000006] pci_reset_function+0x12d/0x230
[ +0.000004] reset_store+0xa0/0x100
[ +0.000006] ? __pfx_reset_store+0x10/0x10
[ +0.000002] ? __pfx_mutex_lock+0x10/0x10
[ +0.000004] ? __check_object_size+0x4c1/0x640
[ +0.000007] kernfs_fop_write_iter+0x30b/0x4a0
[ +0.000006] vfs_write+0x5d6/0xdf0
[ +0.000005] ? fd_install+0x180/0x350
[ +0.000005] ? __pfx_vfs_write+0x10/0xA10
[ +0.000004] ? do_fcntl+0x52c/0xcd0
[ +0.000004] ? kasan_save_track+0x13/0x60
[ +0.000003] ? kasan_save_free_info+0x37/0x60
[ +0.000006] ksys_write+0xfa/0x1d0
[ +0.000003] ? __pfx_ksys_write+0x10/0x10
[ +0.000002] ? __x64_sys_fcntl+0x121/0x180
[ +0.000004] ? _raw_spin_lock+0x87/0xe0
[ +0.000005] do_syscall_64+0x80/0x170
[ +0.000007] ? _raw_spin_lock+0x87/0xe0
[ +0.000004] ? __pfx__raw_spin_lock+0x10/0x10
[ +0.000003] ? file_close_fd_locked+0x167/0x230
[ +0.000005] ? syscall_exit_to_user_mode+0x7d/0x220
[ +0.000005] ? do_syscall_64+0x8c/0x170
[ +0.000004] ? do_syscall_64+0x8c/0x170
[ +0.000003] ? do_syscall_64+0x8c/0x170
[ +0.000003] ? fput+0x1a/0x2c0
[ +0.000004] ? filp_close+0x19/0x30
[ +0.000004] ? do_dup2+0x25a/0x4c0
[ +0.000004] ? __x64_sys_dup2+0x6e/0x2e0
[ +0.000002] ? syscall_exit_to_user_mode+0x7d/0x220
[ +0.000004] ? do_syscall_64+0x8c/0x170
[ +0.000003] ? __count_memcg_events+0x113/0x380
[ +0.000005] ? handle_mm_fault+0x136/0x820
[ +0.000005] ? do_user_addr_fault+0x444/0xa80
[ +0.000004] ? clear_bhb_loop+0x25/0x80
[ +0.000004] ? clear_bhb_loop+0x25/0x80
[ +0.000002] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ +0.000005] RIP: 0033:0x7f2033593154
References
Impacted products
{
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"adp": [
{
"metrics": [
{
"other": {
"content": {
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}
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{
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"product": "Linux",
"programFiles": [
"drivers/net/ethernet/intel/ice/ice_base.c",
"drivers/net/ethernet/intel/ice/ice_lib.c",
"drivers/net/ethernet/intel/ice/ice_lib.h",
"drivers/net/ethernet/intel/ice/ice_main.c"
],
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"vendor": "Linux",
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"versionType": "git"
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{
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"version": "91fdbce7e8d69be255b45bfeb52092629a50e267",
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"drivers/net/ethernet/intel/ice/ice_lib.h",
"drivers/net/ethernet/intel/ice/ice_main.c"
],
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"vendor": "Linux",
"versions": [
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}
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"dateUpdated": "2026-05-11T20:35:56.236Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"title": "ice: move netif_queue_set_napi to rtnl-protected sections",
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"cveId": "CVE-2024-46766",
"datePublished": "2024-09-18T07:12:25.353Z",
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CVE-2024-50250 (GCVE-0-2024-50250)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fsdax: dax_unshare_iter needs to copy entire blocks
The code that copies data from srcmap to iomap in dax_unshare_iter is
very very broken, which bfoster's recent fsx changes have exposed.
If the pos and len passed to dax_file_unshare are not aligned to an
fsblock boundary, the iter pos and length in the _iter function will
reflect this unalignment.
dax_iomap_direct_access always returns a pointer to the start of the
kmapped fsdax page, even if its pos argument is in the middle of that
page. This is catastrophic for data integrity when iter->pos is not
aligned to a page, because daddr/saddr do not point to the same byte in
the file as iter->pos. Hence we corrupt user data by copying it to the
wrong place.
If iter->pos + iomap_length() in the _iter function not aligned to a
page, then we fail to copy a full block, and only partially populate the
destination block. This is catastrophic for data confidentiality
because we expose stale pmem contents.
Fix both of these issues by aligning copy_pos/copy_len to a page
boundary (remember, this is fsdax so 1 fsblock == 1 base page) so that
we always copy full blocks.
We're not done yet -- there's no call to invalidate_inode_pages2_range,
so programs that have the file range mmap'd will continue accessing the
old memory mapping after the file metadata updates have completed.
Be careful with the return value -- if the unshare succeeds, we still
need to return the number of bytes that the iomap iter thinks we're
operating on.
References
| URL | Tags | |
|---|---|---|
Impacted products
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
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"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
}
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],
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfsdax: dax_unshare_iter needs to copy entire blocks\n\nThe code that copies data from srcmap to iomap in dax_unshare_iter is\nvery very broken, which bfoster\u0027s recent fsx changes have exposed.\n\nIf the pos and len passed to dax_file_unshare are not aligned to an\nfsblock boundary, the iter pos and length in the _iter function will\nreflect this unalignment.\n\ndax_iomap_direct_access always returns a pointer to the start of the\nkmapped fsdax page, even if its pos argument is in the middle of that\npage. This is catastrophic for data integrity when iter-\u003epos is not\naligned to a page, because daddr/saddr do not point to the same byte in\nthe file as iter-\u003epos. Hence we corrupt user data by copying it to the\nwrong place.\n\nIf iter-\u003epos + iomap_length() in the _iter function not aligned to a\npage, then we fail to copy a full block, and only partially populate the\ndestination block. This is catastrophic for data confidentiality\nbecause we expose stale pmem contents.\n\nFix both of these issues by aligning copy_pos/copy_len to a page\nboundary (remember, this is fsdax so 1 fsblock == 1 base page) so that\nwe always copy full blocks.\n\nWe\u0027re not done yet -- there\u0027s no call to invalidate_inode_pages2_range,\nso programs that have the file range mmap\u0027d will continue accessing the\nold memory mapping after the file metadata updates have completed.\n\nBe careful with the return value -- if the unshare succeeds, we still\nneed to return the number of bytes that the iomap iter thinks we\u0027re\noperating on."
}
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"value": "AV:L - The only path to `dax_unshare_iter` is the local `fallocate(FALLOC_FL_UNSHARE_RANGE)` syscall on an XFS+DAX file; no network service (nfsd, ksmbd) ever issues that fallocate mode, so no remote reach exists.\nAC:L - The attacker fully controls the offset/length passed to fallocate, so simply supplying a non-page-aligned range deterministically triggers both the misplaced copy and the uncopied stale tail \u2014 no race, no memory-layout dependency, no condition outside attacker control.\nPR:L - `vfs_fallocate` only requires an fd opened with `FMODE_WRITE`; any unprivileged local user can create a file, clone it with `FICLONE` to create shared blocks, and unshare it \u2014 no capability or root is needed.\nUI:N - The attacker performs every step (create, reflink, fallocate, read back) with no victim action required; the mmap-staleness variant can also be set up entirely by the attacker\u0027s own process.\nS:U - The corruption and disclosure occur within filesystem data managed by the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The unshare leaves the tail of every freshly allocated destination block uncopied, exposing raw stale pmem contents of previously freed blocks \u2014 the commit calls this \"catastrophic for data confidentiality\" \u2014 and it is repeatable to harvest large amounts of other users\u0027 deleted file data.\nI:H - Data is copied to the wrong offsets, silently destroying user file contents (\"catastrophic for data integrity\"), and the missing `invalidate_inode_pages2_range` leaves writable mappings aimed at still-shared blocks, allowing writes to modify other files\u0027 data.\nA:H - Irrecoverable on-disk data destruction plus writes through stale DAX mappings into blocks that may be reallocated as XFS metadata lead to filesystem corruption and forced shutdown, rendering the filesystem unusable."
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"datePublished": "2024-11-09T10:14:59.003Z",
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CVE-2024-46721 (GCVE-0-2024-46721)
Vulnerability from cvelistv5
Published
2024-09-18 06:32
Modified
2026-05-11 20:35
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
apparmor: fix possible NULL pointer dereference
profile->parent->dents[AAFS_PROF_DIR] could be NULL only if its parent is made
from __create_missing_ancestors(..) and 'ent->old' is NULL in
aa_replace_profiles(..).
In that case, it must return an error code and the code, -ENOENT represents
its state that the path of its parent is not existed yet.
BUG: kernel NULL pointer dereference, address: 0000000000000030
PGD 0 P4D 0
PREEMPT SMP PTI
CPU: 4 PID: 3362 Comm: apparmor_parser Not tainted 6.8.0-24-generic #24
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014
RIP: 0010:aafs_create.constprop.0+0x7f/0x130
Code: 4c 63 e0 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 45 31 d2 c3 cc cc cc cc <4d> 8b 55 30 4d 8d ba a0 00 00 00 4c 89 55 c0 4c 89 ff e8 7a 6a ae
RSP: 0018:ffffc9000b2c7c98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000041ed RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000b2c7cd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82baac10
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007be9f22cf740(0000) GS:ffff88817bc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000030 CR3: 0000000134b08000 CR4: 00000000000006f0
Call Trace:
<TASK>
? show_regs+0x6d/0x80
? __die+0x24/0x80
? page_fault_oops+0x99/0x1b0
? kernelmode_fixup_or_oops+0xb2/0x140
? __bad_area_nosemaphore+0x1a5/0x2c0
? find_vma+0x34/0x60
? bad_area_nosemaphore+0x16/0x30
? do_user_addr_fault+0x2a2/0x6b0
? exc_page_fault+0x83/0x1b0
? asm_exc_page_fault+0x27/0x30
? aafs_create.constprop.0+0x7f/0x130
? aafs_create.constprop.0+0x51/0x130
__aafs_profile_mkdir+0x3d6/0x480
aa_replace_profiles+0x83f/0x1270
policy_update+0xe3/0x180
profile_load+0xbc/0x150
? rw_verify_area+0x47/0x140
vfs_write+0x100/0x480
? __x64_sys_openat+0x55/0xa0
? syscall_exit_to_user_mode+0x86/0x260
ksys_write+0x73/0x100
__x64_sys_write+0x19/0x30
x64_sys_call+0x7e/0x25c0
do_syscall_64+0x7f/0x180
entry_SYSCALL_64_after_hwframe+0x78/0x80
RIP: 0033:0x7be9f211c574
Code: c7 00 16 00 00 00 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 80 3d d5 ea 0e 00 00 74 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 55 48 89 e5 48 83 ec 20 48 89
RSP: 002b:00007ffd26f2b8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00005d504415e200 RCX: 00007be9f211c574
RDX: 0000000000001fc1 RSI: 00005d504418bc80 RDI: 0000000000000004
RBP: 0000000000001fc1 R08: 0000000000001fc1 R09: 0000000080000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00005d504418bc80
R13: 0000000000000004 R14: 00007ffd26f2b9b0 R15: 00007ffd26f2ba30
</TASK>
Modules linked in: snd_seq_dummy snd_hrtimer qrtr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device i2c_i801 snd_timer i2c_smbus qxl snd soundcore drm_ttm_helper lpc_ich ttm joydev input_leds serio_raw mac_hid binfmt_misc msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 hid_generic usbhid hid ahci libahci psmouse virtio_rng xhci_pci xhci_pci_renesas
CR2: 0000000000000030
---[ end trace 0000000000000000 ]---
RIP: 0010:aafs_create.constprop.0+0x7f/0x130
Code: 4c 63 e0 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 45 31 d2 c3 cc cc cc cc <4d> 8b 55 30 4d 8d ba a0 00 00 00 4c 89 55 c0 4c 89 ff e8 7a 6a ae
RSP: 0018:ffffc9000b2c7c98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000041ed RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000b2c7cd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000
---truncated---
References
Impacted products
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fix possible NULL pointer dereference\n\nprofile-\u003eparent-\u003edents[AAFS_PROF_DIR] could be NULL only if its parent is made\nfrom __create_missing_ancestors(..) and \u0027ent-\u003eold\u0027 is NULL in\naa_replace_profiles(..).\nIn that case, it must return an error code and the code, -ENOENT represents\nits state that the path of its parent is not existed yet.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000030\nPGD 0 P4D 0\nPREEMPT SMP PTI\nCPU: 4 PID: 3362 Comm: apparmor_parser Not tainted 6.8.0-24-generic #24\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014\nRIP: 0010:aafs_create.constprop.0+0x7f/0x130\nCode: 4c 63 e0 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 45 31 d2 c3 cc cc cc cc \u003c4d\u003e 8b 55 30 4d 8d ba a0 00 00 00 4c 89 55 c0 4c 89 ff e8 7a 6a ae\nRSP: 0018:ffffc9000b2c7c98 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 00000000000041ed RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffc9000b2c7cd8 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82baac10\nR13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\nFS: 00007be9f22cf740(0000) GS:ffff88817bc00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000030 CR3: 0000000134b08000 CR4: 00000000000006f0\nCall Trace:\n \u003cTASK\u003e\n ? show_regs+0x6d/0x80\n ? __die+0x24/0x80\n ? page_fault_oops+0x99/0x1b0\n ? kernelmode_fixup_or_oops+0xb2/0x140\n ? __bad_area_nosemaphore+0x1a5/0x2c0\n ? find_vma+0x34/0x60\n ? bad_area_nosemaphore+0x16/0x30\n ? do_user_addr_fault+0x2a2/0x6b0\n ? exc_page_fault+0x83/0x1b0\n ? asm_exc_page_fault+0x27/0x30\n ? aafs_create.constprop.0+0x7f/0x130\n ? aafs_create.constprop.0+0x51/0x130\n __aafs_profile_mkdir+0x3d6/0x480\n aa_replace_profiles+0x83f/0x1270\n policy_update+0xe3/0x180\n profile_load+0xbc/0x150\n ? rw_verify_area+0x47/0x140\n vfs_write+0x100/0x480\n ? __x64_sys_openat+0x55/0xa0\n ? syscall_exit_to_user_mode+0x86/0x260\n ksys_write+0x73/0x100\n __x64_sys_write+0x19/0x30\n x64_sys_call+0x7e/0x25c0\n do_syscall_64+0x7f/0x180\n entry_SYSCALL_64_after_hwframe+0x78/0x80\nRIP: 0033:0x7be9f211c574\nCode: c7 00 16 00 00 00 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 80 3d d5 ea 0e 00 00 74 13 b8 01 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 54 c3 0f 1f 00 55 48 89 e5 48 83 ec 20 48 89\nRSP: 002b:00007ffd26f2b8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 00005d504415e200 RCX: 00007be9f211c574\nRDX: 0000000000001fc1 RSI: 00005d504418bc80 RDI: 0000000000000004\nRBP: 0000000000001fc1 R08: 0000000000001fc1 R09: 0000000080000000\nR10: 0000000000000000 R11: 0000000000000202 R12: 00005d504418bc80\nR13: 0000000000000004 R14: 00007ffd26f2b9b0 R15: 00007ffd26f2ba30\n \u003c/TASK\u003e\nModules linked in: snd_seq_dummy snd_hrtimer qrtr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device i2c_i801 snd_timer i2c_smbus qxl snd soundcore drm_ttm_helper lpc_ich ttm joydev input_leds serio_raw mac_hid binfmt_misc msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 hid_generic usbhid hid ahci libahci psmouse virtio_rng xhci_pci xhci_pci_renesas\nCR2: 0000000000000030\n---[ end trace 0000000000000000 ]---\nRIP: 0010:aafs_create.constprop.0+0x7f/0x130\nCode: 4c 63 e0 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 45 31 d2 c3 cc cc cc cc \u003c4d\u003e 8b 55 30 4d 8d ba a0 00 00 00 4c 89 55 c0 4c 89 ff e8 7a 6a ae\nRSP: 0018:ffffc9000b2c7c98 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 00000000000041ed RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffc9000b2c7cd8 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000\n---truncated---"
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"x_generator": {
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CVE-2024-49909 (GCVE-0-2024-49909)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add NULL check for function pointer in dcn32_set_output_transfer_func
This commit adds a null check for the set_output_gamma function pointer
in the dcn32_set_output_transfer_func function. Previously,
set_output_gamma was being checked for null, but then it was being
dereferenced without any null check. This could lead to a null pointer
dereference if set_output_gamma is null.
To fix this, we now ensure that set_output_gamma is not null before
dereferencing it. We do this by adding a null check for set_output_gamma
before the call to set_output_gamma.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50009 (GCVE-0-2024-50009)
Vulnerability from cvelistv5
Published
2024-10-21 18:54
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: amd-pstate: add check for cpufreq_cpu_get's return value
cpufreq_cpu_get may return NULL. To avoid NULL-dereference check it
and return in case of error.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
Impacted products
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CVE-2024-47701 (GCVE-0-2024-47701)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: avoid OOB when system.data xattr changes underneath the filesystem
When looking up for an entry in an inlined directory, if e_value_offs is
changed underneath the filesystem by some change in the block device, it
will lead to an out-of-bounds access that KASAN detects as an UAF.
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
loop0: detected capacity change from 2048 to 2047
==================================================================
BUG: KASAN: use-after-free in ext4_search_dir+0xf2/0x1c0 fs/ext4/namei.c:1500
Read of size 1 at addr ffff88803e91130f by task syz-executor269/5103
CPU: 0 UID: 0 PID: 5103 Comm: syz-executor269 Not tainted 6.11.0-rc4-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
ext4_search_dir+0xf2/0x1c0 fs/ext4/namei.c:1500
ext4_find_inline_entry+0x4be/0x5e0 fs/ext4/inline.c:1697
__ext4_find_entry+0x2b4/0x1b30 fs/ext4/namei.c:1573
ext4_lookup_entry fs/ext4/namei.c:1727 [inline]
ext4_lookup+0x15f/0x750 fs/ext4/namei.c:1795
lookup_one_qstr_excl+0x11f/0x260 fs/namei.c:1633
filename_create+0x297/0x540 fs/namei.c:3980
do_symlinkat+0xf9/0x3a0 fs/namei.c:4587
__do_sys_symlinkat fs/namei.c:4610 [inline]
__se_sys_symlinkat fs/namei.c:4607 [inline]
__x64_sys_symlinkat+0x95/0xb0 fs/namei.c:4607
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3e73ced469
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff4d40c258 EFLAGS: 00000246 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 0032656c69662f2e RCX: 00007f3e73ced469
RDX: 0000000020000200 RSI: 00000000ffffff9c RDI: 00000000200001c0
RBP: 0000000000000000 R08: 00007fff4d40c290 R09: 00007fff4d40c290
R10: 0023706f6f6c2f76 R11: 0000000000000246 R12: 00007fff4d40c27c
R13: 0000000000000003 R14: 431bde82d7b634db R15: 00007fff4d40c2b0
</TASK>
Calling ext4_xattr_ibody_find right after reading the inode with
ext4_get_inode_loc will lead to a check of the validity of the xattrs,
avoiding this problem.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e8e948e7802a2ab05c146d3e72a39b93b5718236 Version: e8e948e7802a2ab05c146d3e72a39b93b5718236 Version: e8e948e7802a2ab05c146d3e72a39b93b5718236 Version: e8e948e7802a2ab05c146d3e72a39b93b5718236 Version: e8e948e7802a2ab05c146d3e72a39b93b5718236 Version: e8e948e7802a2ab05c146d3e72a39b93b5718236 Version: e8e948e7802a2ab05c146d3e72a39b93b5718236 Version: e8e948e7802a2ab05c146d3e72a39b93b5718236 Version: e8e948e7802a2ab05c146d3e72a39b93b5718236 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: avoid OOB when system.data xattr changes underneath the filesystem\n\nWhen looking up for an entry in an inlined directory, if e_value_offs is\nchanged underneath the filesystem by some change in the block device, it\nwill lead to an out-of-bounds access that KASAN detects as an UAF.\n\nEXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.\nloop0: detected capacity change from 2048 to 2047\n==================================================================\nBUG: KASAN: use-after-free in ext4_search_dir+0xf2/0x1c0 fs/ext4/namei.c:1500\nRead of size 1 at addr ffff88803e91130f by task syz-executor269/5103\n\nCPU: 0 UID: 0 PID: 5103 Comm: syz-executor269 Not tainted 6.11.0-rc4-syzkaller #0\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:93 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:488\n kasan_report+0x143/0x180 mm/kasan/report.c:601\n ext4_search_dir+0xf2/0x1c0 fs/ext4/namei.c:1500\n ext4_find_inline_entry+0x4be/0x5e0 fs/ext4/inline.c:1697\n __ext4_find_entry+0x2b4/0x1b30 fs/ext4/namei.c:1573\n ext4_lookup_entry fs/ext4/namei.c:1727 [inline]\n ext4_lookup+0x15f/0x750 fs/ext4/namei.c:1795\n lookup_one_qstr_excl+0x11f/0x260 fs/namei.c:1633\n filename_create+0x297/0x540 fs/namei.c:3980\n do_symlinkat+0xf9/0x3a0 fs/namei.c:4587\n __do_sys_symlinkat fs/namei.c:4610 [inline]\n __se_sys_symlinkat fs/namei.c:4607 [inline]\n __x64_sys_symlinkat+0x95/0xb0 fs/namei.c:4607\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f3e73ced469\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fff4d40c258 EFLAGS: 00000246 ORIG_RAX: 000000000000010a\nRAX: ffffffffffffffda RBX: 0032656c69662f2e RCX: 00007f3e73ced469\nRDX: 0000000020000200 RSI: 00000000ffffff9c RDI: 00000000200001c0\nRBP: 0000000000000000 R08: 00007fff4d40c290 R09: 00007fff4d40c290\nR10: 0023706f6f6c2f76 R11: 0000000000000246 R12: 00007fff4d40c27c\nR13: 0000000000000003 R14: 431bde82d7b634db R15: 00007fff4d40c2b0\n \u003c/TASK\u003e\n\nCalling ext4_xattr_ibody_find right after reading the inode with\next4_get_inode_loc will lead to a check of the validity of the xattrs,\navoiding this problem."
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"lang": "en",
"value": "AV:L - The vulnerable path is reached through ordinary local filesystem syscalls (symlinkat/open/rename/unlink triggering ext4_lookup \u2192 __ext4_find_entry \u2192 ext4_find_inline_entry) on a mounted ext4 image whose backing store the attacker can modify. No network or remote protocol is involved.\nAC:L - The attacker controls both halves: the on-disk xattr bytes (backing file/removable device they own) and the cache invalidation that forces the stale inode block to be re-read (loop capacity change, BLKFLSBUF, or induced memory pressure), then issues the lookup at will; syzbot reproduces it deterministically with a C reproducer.\nPR:L - An unprivileged local user can loop-mount their own ext4 image on typical desktop/CI systems (udisks2 loop-setup and filesystem-mount are allow_active) or supply auto-mounted removable media, and retains write access to the backing store; the lookup that triggers the OOB requires no privileges at all.\nUI:N - In the automount/self-mount scenario the attacker performs every step themselves \u2014 attach or loop-mount the image, mutate the backing bytes, invalidate the cache, then look up a name \u2014 with no action required from any other user.\nS:U - The out-of-bounds access and its consequences are confined to the kernel\u0027s own memory and the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - e_value_offs is a 16-bit attacker-chosen value, so ext4_search_dir reads up to ~64KB past the inode-table buffer into adjacent slab/page-cache memory; the same unvalidated offset is used by ext4_read_inline_data\u0027s memcpy, and matched \"directory entries\" expose adjacent kernel memory contents (names, inode numbers) to userspace.\nI:H - The out-of-bounds entry pointer is handed to writers \u2014 ext4_setent() stores an attacker-chosen inode number plus file_type at that address during rename, and ext4_generic_delete_entry() zeroes/rewrites it on unlink \u2014 giving a semi-controlled out-of-bounds kernel write that is leverageable against heap-sprayed adjacent objects.\nA:H - The out-of-bounds access is reported by KASAN as a use-after-free read and can hit unmapped or poisoned memory and corrupt neighbouring kernel objects, resulting in an oops or panic that takes down the whole system."
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CVE-2024-49982 (GCVE-0-2024-49982)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
aoe: fix the potential use-after-free problem in more places
For fixing CVE-2023-6270, f98364e92662 ("aoe: fix the potential
use-after-free problem in aoecmd_cfg_pkts") makes tx() calling dev_put()
instead of doing in aoecmd_cfg_pkts(). It avoids that the tx() runs
into use-after-free.
Then Nicolai Stange found more places in aoe have potential use-after-free
problem with tx(). e.g. revalidate(), aoecmd_ata_rw(), resend(), probe()
and aoecmd_cfg_rsp(). Those functions also use aoenet_xmit() to push
packet to tx queue. So they should also use dev_hold() to increase the
refcnt of skb->dev.
On the other hand, moving dev_put() to tx() causes that the refcnt of
skb->dev be reduced to a negative value, because corresponding
dev_hold() are not called in revalidate(), aoecmd_ata_rw(), resend(),
probe(), and aoecmd_cfg_rsp(). This patch fixed this issue.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ad80c34944d7175fa1f5c7a55066020002921a99 Version: 1a54aa506b3b2f31496731039e49778f54eee881 Version: faf0b4c5e00bb680e8e43ac936df24d3f48c8e65 Version: 7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4 Version: 74ca3ef68d2f449bc848c0a814cefc487bf755fa Version: eb48680b0255a9e8a9bdc93d6a55b11c31262e62 Version: f98364e926626c678fb4b9004b75cacf92ff0662 Version: f98364e926626c678fb4b9004b75cacf92ff0662 Version: f98364e926626c678fb4b9004b75cacf92ff0662 Version: 079cba4f4e307c69878226fdf5228c20aa1c969c Version: a16fbb80064634b254520a46395e36b87ca4731e Version: 4.19.311 ≤ Version: 5.4.273 ≤ Version: 5.10.214 ≤ Version: 5.15.153 ≤ Version: 6.1.83 ≤ Version: 6.6.23 ≤ Version: 6.7.11 ≤ Version: 6.8.2 ≤ |
||
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CVE-2024-50013 (GCVE-0-2024-50013)
Vulnerability from cvelistv5
Published
2024-10-21 18:54
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
exfat: fix memory leak in exfat_load_bitmap()
If the first directory entry in the root directory is not a bitmap
directory entry, 'bh' will not be released and reassigned, which
will cause a memory leak.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1e49a94cf707204b66a3fb242f2814712c941f52 Version: 1e49a94cf707204b66a3fb242f2814712c941f52 Version: 1e49a94cf707204b66a3fb242f2814712c941f52 Version: 1e49a94cf707204b66a3fb242f2814712c941f52 Version: 1e49a94cf707204b66a3fb242f2814712c941f52 Version: 1e49a94cf707204b66a3fb242f2814712c941f52 Version: 1e49a94cf707204b66a3fb242f2814712c941f52 |
||
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CVE-2024-49870 (GCVE-0-2024-49870)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cachefiles: fix dentry leak in cachefiles_open_file()
A dentry leak may be caused when a lookup cookie and a cull are concurrent:
P1 | P2
-----------------------------------------------------------
cachefiles_lookup_cookie
cachefiles_look_up_object
lookup_one_positive_unlocked
// get dentry
cachefiles_cull
inode->i_flags |= S_KERNEL_FILE;
cachefiles_open_file
cachefiles_mark_inode_in_use
__cachefiles_mark_inode_in_use
can_use = false
if (!(inode->i_flags & S_KERNEL_FILE))
can_use = true
return false
return false
// Returns an error but doesn't put dentry
After that the following WARNING will be triggered when the backend folder
is umounted:
==================================================================
BUG: Dentry 000000008ad87947{i=7a,n=Dx_1_1.img} still in use (1) [unmount of ext4 sda]
WARNING: CPU: 4 PID: 359261 at fs/dcache.c:1767 umount_check+0x5d/0x70
CPU: 4 PID: 359261 Comm: umount Not tainted 6.6.0-dirty #25
RIP: 0010:umount_check+0x5d/0x70
Call Trace:
<TASK>
d_walk+0xda/0x2b0
do_one_tree+0x20/0x40
shrink_dcache_for_umount+0x2c/0x90
generic_shutdown_super+0x20/0x160
kill_block_super+0x1a/0x40
ext4_kill_sb+0x22/0x40
deactivate_locked_super+0x35/0x80
cleanup_mnt+0x104/0x160
==================================================================
Whether cachefiles_open_file() returns true or false, the reference count
obtained by lookup_positive_unlocked() in cachefiles_look_up_object()
should be released.
Therefore release that reference count in cachefiles_look_up_object() to
fix the above issue and simplify the code.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50232 (GCVE-0-2024-50232)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iio: adc: ad7124: fix division by zero in ad7124_set_channel_odr()
In the ad7124_write_raw() function, parameter val can potentially
be zero. This may lead to a division by zero when DIV_ROUND_CLOSEST()
is called within ad7124_set_channel_odr(). The ad7124_write_raw()
function is invoked through the sequence: iio_write_channel_raw() ->
iio_write_channel_attribute() -> iio_channel_write(), with no checks
in place to ensure val is non-zero.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49878 (GCVE-0-2024-49878)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
resource: fix region_intersects() vs add_memory_driver_managed()
On a system with CXL memory, the resource tree (/proc/iomem) related to
CXL memory may look like something as follows.
490000000-50fffffff : CXL Window 0
490000000-50fffffff : region0
490000000-50fffffff : dax0.0
490000000-50fffffff : System RAM (kmem)
Because drivers/dax/kmem.c calls add_memory_driver_managed() during
onlining CXL memory, which makes "System RAM (kmem)" a descendant of "CXL
Window X". This confuses region_intersects(), which expects all "System
RAM" resources to be at the top level of iomem_resource. This can lead to
bugs.
For example, when the following command line is executed to write some
memory in CXL memory range via /dev/mem,
$ dd if=data of=/dev/mem bs=$((1 << 10)) seek=$((0x490000000 >> 10)) count=1
dd: error writing '/dev/mem': Bad address
1+0 records in
0+0 records out
0 bytes copied, 0.0283507 s, 0.0 kB/s
the command fails as expected. However, the error code is wrong. It
should be "Operation not permitted" instead of "Bad address". More
seriously, the /dev/mem permission checking in devmem_is_allowed() passes
incorrectly. Although the accessing is prevented later because ioremap()
isn't allowed to map system RAM, it is a potential security issue. During
command executing, the following warning is reported in the kernel log for
calling ioremap() on system RAM.
ioremap on RAM at 0x0000000490000000 - 0x0000000490000fff
WARNING: CPU: 2 PID: 416 at arch/x86/mm/ioremap.c:216 __ioremap_caller.constprop.0+0x131/0x35d
Call Trace:
memremap+0xcb/0x184
xlate_dev_mem_ptr+0x25/0x2f
write_mem+0x94/0xfb
vfs_write+0x128/0x26d
ksys_write+0xac/0xfe
do_syscall_64+0x9a/0xfd
entry_SYSCALL_64_after_hwframe+0x4b/0x53
The details of command execution process are as follows. In the above
resource tree, "System RAM" is a descendant of "CXL Window 0" instead of a
top level resource. So, region_intersects() will report no System RAM
resources in the CXL memory region incorrectly, because it only checks the
top level resources. Consequently, devmem_is_allowed() will return 1
(allow access via /dev/mem) for CXL memory region incorrectly.
Fortunately, ioremap() doesn't allow to map System RAM and reject the
access.
So, region_intersects() needs to be fixed to work correctly with the
resource tree with "System RAM" not at top level as above. To fix it, if
we found a unmatched resource in the top level, we will continue to search
matched resources in its descendant resources. So, we will not miss any
matched resources in resource tree anymore.
In the new implementation, an example resource tree
|------------- "CXL Window 0" ------------|
|-- "System RAM" --|
will behave similar as the following fake resource tree for
region_intersects(, IORESOURCE_SYSTEM_RAM, ),
|-- "System RAM" --||-- "CXL Window 0a" --|
Where "CXL Window 0a" is part of the original "CXL Window 0" that
isn't covered by "System RAM".
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: c221c0b0308fd01d9fb33a16f64d2fd95f8830a4 Version: c221c0b0308fd01d9fb33a16f64d2fd95f8830a4 Version: c221c0b0308fd01d9fb33a16f64d2fd95f8830a4 Version: c221c0b0308fd01d9fb33a16f64d2fd95f8830a4 Version: c221c0b0308fd01d9fb33a16f64d2fd95f8830a4 Version: c221c0b0308fd01d9fb33a16f64d2fd95f8830a4 Version: c221c0b0308fd01d9fb33a16f64d2fd95f8830a4 Version: c221c0b0308fd01d9fb33a16f64d2fd95f8830a4 |
||
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CVE-2024-50028 (GCVE-0-2024-50028)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
thermal: core: Reference count the zone in thermal_zone_get_by_id()
There are places in the thermal netlink code where nothing prevents
the thermal zone object from going away while being accessed after it
has been returned by thermal_zone_get_by_id().
To address this, make thermal_zone_get_by_id() get a reference on the
thermal zone device object to be returned with the help of get_device(),
under thermal_list_lock, and adjust all of its callers to this change
with the help of the cleanup.h infrastructure.
References
Impacted products
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CVE-2024-53051 (GCVE-0-2024-53051)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/i915/hdcp: Add encoder check in intel_hdcp_get_capability
Sometimes during hotplug scenario or suspend/resume scenario encoder is
not always initialized when intel_hdcp_get_capability add
a check to avoid kernel null pointer dereference.
References
Impacted products
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CVE-2024-53045 (GCVE-0-2024-53045)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ASoC: dapm: fix bounds checker error in dapm_widget_list_create
The widgets array in the snd_soc_dapm_widget_list has a __counted_by
attribute attached to it, which points to the num_widgets variable. This
attribute is used in bounds checking, and if it is not set before the
array is filled, then the bounds sanitizer will issue a warning or a
kernel panic if CONFIG_UBSAN_TRAP is set.
This patch sets the size of the widgets list calculated with
list_for_each as the initial value for num_widgets as it is used for
allocating memory for the array. It is updated with the actual number of
added elements after the array is filled.
References
Impacted products
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CVE-2024-46754 (GCVE-0-2024-46754)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Remove tst_run from lwt_seg6local_prog_ops.
The syzbot reported that the lwt_seg6 related BPF ops can be invoked
via bpf_test_run() without without entering input_action_end_bpf()
first.
Martin KaFai Lau said that self test for BPF_PROG_TYPE_LWT_SEG6LOCAL
probably didn't work since it was introduced in commit 04d4b274e2a
("ipv6: sr: Add seg6local action End.BPF"). The reason is that the
per-CPU variable seg6_bpf_srh_states::srh is never assigned in the self
test case but each BPF function expects it.
Remove test_run for BPF_PROG_TYPE_LWT_SEG6LOCAL.
References
Impacted products
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CVE-2024-42098 (GCVE-0-2024-42098)
Vulnerability from cvelistv5
Published
2024-07-29 17:39
Modified
2026-05-11 20:26
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
crypto: ecdh - explicitly zeroize private_key
private_key is overwritten with the key parameter passed in by the
caller (if present), or alternatively a newly generated private key.
However, it is possible that the caller provides a key (or the newly
generated key) which is shorter than the previous key. In that
scenario, some key material from the previous key would not be
overwritten. The easiest solution is to explicitly zeroize the entire
private_key array first.
Note that this patch slightly changes the behavior of this function:
previously, if the ecc_gen_privkey failed, the old private_key would
remain. Now, the private_key is always zeroized. This behavior is
consistent with the case where params.key is set and ecc_is_key_valid
fails.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-46860 (GCVE-0-2024-46860)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7921: fix NULL pointer access in mt7921_ipv6_addr_change
When disabling wifi mt7921_ipv6_addr_change() is called as a notifier.
At this point mvif->phy is already NULL so we cannot use it here.
References
Impacted products
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CVE-2024-47664 (GCVE-0-2024-47664)
Vulnerability from cvelistv5
Published
2024-10-09 14:13
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
spi: hisi-kunpeng: Add verification for the max_frequency provided by the firmware
If the value of max_speed_hz is 0, it may cause a division by zero
error in hisi_calc_effective_speed().
The value of max_speed_hz is provided by firmware.
Firmware is generally considered as a trusted domain. However, as
division by zero errors can cause system failure, for defense measure,
the value of max_speed is validated here. So 0 is regarded as invalid
and an error code is returned.
References
Impacted products
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CVE-2024-50225 (GCVE-0-2024-50225)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix error propagation of split bios
The purpose of btrfs_bbio_propagate_error() shall be propagating an error
of split bio to its original btrfs_bio, and tell the error to the upper
layer. However, it's not working well on some cases.
* Case 1. Immediate (or quick) end_bio with an error
When btrfs sends btrfs_bio to mirrored devices, btrfs calls
btrfs_bio_end_io() when all the mirroring bios are completed. If that
btrfs_bio was split, it is from btrfs_clone_bioset and its end_io function
is btrfs_orig_write_end_io. For this case, btrfs_bbio_propagate_error()
accesses the orig_bbio's bio context to increase the error count.
That works well in most cases. However, if the end_io is called enough
fast, orig_bbio's (remaining part after split) bio context may not be
properly set at that time. Since the bio context is set when the orig_bbio
(the last btrfs_bio) is sent to devices, that might be too late for earlier
split btrfs_bio's completion. That will result in NULL pointer
dereference.
That bug is easily reproducible by running btrfs/146 on zoned devices [1]
and it shows the following trace.
[1] You need raid-stripe-tree feature as it create "-d raid0 -m raid1" FS.
BUG: kernel NULL pointer dereference, address: 0000000000000020
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 UID: 0 PID: 13 Comm: kworker/u32:1 Not tainted 6.11.0-rc7-BTRFS-ZNS+ #474
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Workqueue: writeback wb_workfn (flush-btrfs-5)
RIP: 0010:btrfs_bio_end_io+0xae/0xc0 [btrfs]
BTRFS error (device dm-0): bdev /dev/mapper/error-test errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
RSP: 0018:ffffc9000006f248 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888005a7f080 RCX: ffffc9000006f1dc
RDX: 0000000000000000 RSI: 000000000000000a RDI: ffff888005a7f080
RBP: ffff888011dfc540 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff82e508e0 R11: 0000000000000005 R12: ffff88800ddfbe58
R13: ffff888005a7f080 R14: ffff888005a7f158 R15: ffff888005a7f158
FS: 0000000000000000(0000) GS:ffff88803ea80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000020 CR3: 0000000002e22006 CR4: 0000000000370ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
? __die_body.cold+0x19/0x26
? page_fault_oops+0x13e/0x2b0
? _printk+0x58/0x73
? do_user_addr_fault+0x5f/0x750
? exc_page_fault+0x76/0x240
? asm_exc_page_fault+0x22/0x30
? btrfs_bio_end_io+0xae/0xc0 [btrfs]
? btrfs_log_dev_io_error+0x7f/0x90 [btrfs]
btrfs_orig_write_end_io+0x51/0x90 [btrfs]
dm_submit_bio+0x5c2/0xa50 [dm_mod]
? find_held_lock+0x2b/0x80
? blk_try_enter_queue+0x90/0x1e0
__submit_bio+0xe0/0x130
? ktime_get+0x10a/0x160
? lockdep_hardirqs_on+0x74/0x100
submit_bio_noacct_nocheck+0x199/0x410
btrfs_submit_bio+0x7d/0x150 [btrfs]
btrfs_submit_chunk+0x1a1/0x6d0 [btrfs]
? lockdep_hardirqs_on+0x74/0x100
? __folio_start_writeback+0x10/0x2c0
btrfs_submit_bbio+0x1c/0x40 [btrfs]
submit_one_bio+0x44/0x60 [btrfs]
submit_extent_folio+0x13f/0x330 [btrfs]
? btrfs_set_range_writeback+0xa3/0xd0 [btrfs]
extent_writepage_io+0x18b/0x360 [btrfs]
extent_write_locked_range+0x17c/0x340 [btrfs]
? __pfx_end_bbio_data_write+0x10/0x10 [btrfs]
run_delalloc_cow+0x71/0xd0 [btrfs]
btrfs_run_delalloc_range+0x176/0x500 [btrfs]
? find_lock_delalloc_range+0x119/0x260 [btrfs]
writepage_delalloc+0x2ab/0x480 [btrfs]
extent_write_cache_pages+0x236/0x7d0 [btrfs]
btrfs_writepages+0x72/0x130 [btrfs]
do_writepages+0xd4/0x240
? find_held_lock+0x2b/0x80
? wbc_attach_and_unlock_inode+0x12c/0x290
? wbc_attach_and_unlock_inode+0x12c/0x29
---truncated---
References
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix error propagation of split bios\n\nThe purpose of btrfs_bbio_propagate_error() shall be propagating an error\nof split bio to its original btrfs_bio, and tell the error to the upper\nlayer. However, it\u0027s not working well on some cases.\n\n* Case 1. Immediate (or quick) end_bio with an error\n\nWhen btrfs sends btrfs_bio to mirrored devices, btrfs calls\nbtrfs_bio_end_io() when all the mirroring bios are completed. If that\nbtrfs_bio was split, it is from btrfs_clone_bioset and its end_io function\nis btrfs_orig_write_end_io. For this case, btrfs_bbio_propagate_error()\naccesses the orig_bbio\u0027s bio context to increase the error count.\n\nThat works well in most cases. However, if the end_io is called enough\nfast, orig_bbio\u0027s (remaining part after split) bio context may not be\nproperly set at that time. Since the bio context is set when the orig_bbio\n(the last btrfs_bio) is sent to devices, that might be too late for earlier\nsplit btrfs_bio\u0027s completion. That will result in NULL pointer\ndereference.\n\nThat bug is easily reproducible by running btrfs/146 on zoned devices [1]\nand it shows the following trace.\n\n[1] You need raid-stripe-tree feature as it create \"-d raid0 -m raid1\" FS.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000020\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: Oops: 0000 [#1] PREEMPT SMP PTI\n CPU: 1 UID: 0 PID: 13 Comm: kworker/u32:1 Not tainted 6.11.0-rc7-BTRFS-ZNS+ #474\n Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011\n Workqueue: writeback wb_workfn (flush-btrfs-5)\n RIP: 0010:btrfs_bio_end_io+0xae/0xc0 [btrfs]\n BTRFS error (device dm-0): bdev /dev/mapper/error-test errs: wr 2, rd 0, flush 0, corrupt 0, gen 0\n RSP: 0018:ffffc9000006f248 EFLAGS: 00010246\n RAX: 0000000000000000 RBX: ffff888005a7f080 RCX: ffffc9000006f1dc\n RDX: 0000000000000000 RSI: 000000000000000a RDI: ffff888005a7f080\n RBP: ffff888011dfc540 R08: 0000000000000000 R09: 0000000000000001\n R10: ffffffff82e508e0 R11: 0000000000000005 R12: ffff88800ddfbe58\n R13: ffff888005a7f080 R14: ffff888005a7f158 R15: ffff888005a7f158\n FS: 0000000000000000(0000) GS:ffff88803ea80000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000020 CR3: 0000000002e22006 CR4: 0000000000370ef0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n \u003cTASK\u003e\n ? __die_body.cold+0x19/0x26\n ? page_fault_oops+0x13e/0x2b0\n ? _printk+0x58/0x73\n ? do_user_addr_fault+0x5f/0x750\n ? exc_page_fault+0x76/0x240\n ? asm_exc_page_fault+0x22/0x30\n ? btrfs_bio_end_io+0xae/0xc0 [btrfs]\n ? btrfs_log_dev_io_error+0x7f/0x90 [btrfs]\n btrfs_orig_write_end_io+0x51/0x90 [btrfs]\n dm_submit_bio+0x5c2/0xa50 [dm_mod]\n ? find_held_lock+0x2b/0x80\n ? blk_try_enter_queue+0x90/0x1e0\n __submit_bio+0xe0/0x130\n ? ktime_get+0x10a/0x160\n ? lockdep_hardirqs_on+0x74/0x100\n submit_bio_noacct_nocheck+0x199/0x410\n btrfs_submit_bio+0x7d/0x150 [btrfs]\n btrfs_submit_chunk+0x1a1/0x6d0 [btrfs]\n ? lockdep_hardirqs_on+0x74/0x100\n ? __folio_start_writeback+0x10/0x2c0\n btrfs_submit_bbio+0x1c/0x40 [btrfs]\n submit_one_bio+0x44/0x60 [btrfs]\n submit_extent_folio+0x13f/0x330 [btrfs]\n ? btrfs_set_range_writeback+0xa3/0xd0 [btrfs]\n extent_writepage_io+0x18b/0x360 [btrfs]\n extent_write_locked_range+0x17c/0x340 [btrfs]\n ? __pfx_end_bbio_data_write+0x10/0x10 [btrfs]\n run_delalloc_cow+0x71/0xd0 [btrfs]\n btrfs_run_delalloc_range+0x176/0x500 [btrfs]\n ? find_lock_delalloc_range+0x119/0x260 [btrfs]\n writepage_delalloc+0x2ab/0x480 [btrfs]\n extent_write_cache_pages+0x236/0x7d0 [btrfs]\n btrfs_writepages+0x72/0x130 [btrfs]\n do_writepages+0xd4/0x240\n ? find_held_lock+0x2b/0x80\n ? wbc_attach_and_unlock_inode+0x12c/0x290\n ? wbc_attach_and_unlock_inode+0x12c/0x29\n---truncated---"
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"value": "AV:L - The vulnerable code is the btrfs bio submission/completion path reached through ordinary local file writes and writeback on a mounted btrfs filesystem (btrfs_writepages \u2192 btrfs_submit_bbio \u2192 btrfs_bio_end_io); there is no network-facing entry point.\nAC:L - On a degraded or removable multi-device btrfs, btrfs_submit_dev_bio() takes the synchronous bio_io_error() path, so the split bio completes with an error before the original bbio is ever submitted \u2014 a deterministic NULL bi_private dereference, not a race; where a race is involved (zoned/RST, Case 2 early completion) the attacker controls the write volume and pattern that drive both sides, and the upstream reproducer (btrfs/146) hits it easily.\nPR:L - Any unprivileged local user with write access to a btrfs filesystem generates the delalloc/writeback bios that get split; no capability, ioctl privilege, or admin check exists anywhere along the path from write(2) to btrfs_bbio_propagate_error().\nUI:N - The faulting code runs asynchronously in a writeback kworker after the attacker\u0027s writes; no victim action, mount, or file open by another user is required.\nS:U - The corruption and crash are confined to the kernel\u0027s own memory and the filesystem it manages, with no crossing of a VM, IOMMU, or other security-authority boundary.\nC:H - Beyond the NULL dereference, an early-completing original bbio causes btrfs_put_bioc() to free the btrfs_io_context while a split bio is still in flight, so orig_stripe-\u003ebioc is read out of freed (potentially reallocated and heap-groomed) slab memory \u2014 memory corruption leverageable for kernel information disclosure.\nI:H - The stale-pointer path performs atomic_add(orig_bioc-\u003emax_errors, \u0026orig_bioc-\u003eerror) through a pointer read from freed memory, yielding a write primitive at an attacker-influenceable kernel address; independently, the broken propagation silently reports failed data and metadata writes as BLK_STS_OK, so writeback and fsync succeed for data never persisted.\nA:H - The confirmed failure mode is a kernel NULL pointer dereference oops at address 0x20 inside a writeback kworker (killing the thread while holding writeback/ordered-extent state, wedging the filesystem), and the use-after-free variant likewise leads to panics."
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CVE-2024-42229 (GCVE-0-2024-42229)
Vulnerability from cvelistv5
Published
2024-07-30 07:47
Modified
2026-05-11 20:28
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
crypto: aead,cipher - zeroize key buffer after use
I.G 9.7.B for FIPS 140-3 specifies that variables temporarily holding
cryptographic information should be zeroized once they are no longer
needed. Accomplish this by using kfree_sensitive for buffers that
previously held the private key.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 06817176784f620984200dc5d7cbe16984f7b262 Version: 06817176784f620984200dc5d7cbe16984f7b262 Version: 06817176784f620984200dc5d7cbe16984f7b262 Version: 06817176784f620984200dc5d7cbe16984f7b262 Version: 06817176784f620984200dc5d7cbe16984f7b262 Version: 06817176784f620984200dc5d7cbe16984f7b262 Version: 06817176784f620984200dc5d7cbe16984f7b262 Version: 06817176784f620984200dc5d7cbe16984f7b262 |
||
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CVE-2024-50020 (GCVE-0-2024-50020)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: Fix improper handling of refcount in ice_sriov_set_msix_vec_count()
This patch addresses an issue with improper reference count handling in the
ice_sriov_set_msix_vec_count() function.
First, the function calls ice_get_vf_by_id(), which increments the
reference count of the vf pointer. If the subsequent call to
ice_get_vf_vsi() fails, the function currently returns an error without
decrementing the reference count of the vf pointer, leading to a reference
count leak. The correct behavior, as implemented in this patch, is to
decrement the reference count using ice_put_vf(vf) before returning an
error when vsi is NULL.
Second, the function calls ice_sriov_get_irqs(), which sets
vf->first_vector_idx. If this call returns a negative value, indicating an
error, the function returns an error without decrementing the reference
count of the vf pointer, resulting in another reference count leak. The
patch addresses this by adding a call to ice_put_vf(vf) before returning
an error when vf->first_vector_idx < 0.
This bug was identified by an experimental static analysis tool developed
by our team. The tool specializes in analyzing reference count operations
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the tool flagged the missing decrement operation as a potential issue,
leading to this patch.
References
Impacted products
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CVE-2024-50268 (GCVE-0-2024-50268)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: fix potential out of bounds in ucsi_ccg_update_set_new_cam_cmd()
The "*cmd" variable can be controlled by the user via debugfs. That means
"new_cam" can be as high as 255 while the size of the uc->updated[] array
is UCSI_MAX_ALTMODES (30).
The call tree is:
ucsi_cmd() // val comes from simple_attr_write_xsigned()
-> ucsi_send_command()
-> ucsi_send_command_common()
-> ucsi_run_command() // calls ucsi->ops->sync_control()
-> ucsi_ccg_sync_control()
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||
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| Linux | Linux |
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CVE-2024-46807 (GCVE-0-2024-46807)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-05-11 20:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/amdgpu: Check tbo resource pointer
Validate tbo resource pointer, skip if NULL
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50021 (GCVE-0-2024-50021)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: Fix improper handling of refcount in ice_dpll_init_rclk_pins()
This patch addresses a reference count handling issue in the
ice_dpll_init_rclk_pins() function. The function calls ice_dpll_get_pins(),
which increments the reference count of the relevant resources. However,
if the condition WARN_ON((!vsi || !vsi->netdev)) is met, the function
currently returns an error without properly releasing the resources
acquired by ice_dpll_get_pins(), leading to a reference count leak.
To resolve this, the check has been moved to the top of the function. This
ensures that the function verifies the state before any resources are
acquired, avoiding the need for additional resource management in the
error path.
This bug was identified by an experimental static analysis tool developed
by our team. The tool specializes in analyzing reference count operations
and detecting potential issues where resources are not properly managed.
In this case, the tool flagged the missing release operation as a
potential problem, which led to the development of this patch.
References
Impacted products
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CVE-2022-48966 (GCVE-0-2022-48966)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: mvneta: Prevent out of bounds read in mvneta_config_rss()
The pp->indir[0] value comes from the user. It is passed to:
if (cpu_online(pp->rxq_def))
inside the mvneta_percpu_elect() function. It needs bounds checkeding
to ensure that it is not beyond the end of the cpu bitmap.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: cad5d847a093077b499a8b0bbfe6804b9226c03e Version: cad5d847a093077b499a8b0bbfe6804b9226c03e Version: cad5d847a093077b499a8b0bbfe6804b9226c03e Version: cad5d847a093077b499a8b0bbfe6804b9226c03e Version: cad5d847a093077b499a8b0bbfe6804b9226c03e Version: cad5d847a093077b499a8b0bbfe6804b9226c03e Version: cad5d847a093077b499a8b0bbfe6804b9226c03e Version: cad5d847a093077b499a8b0bbfe6804b9226c03e |
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CVE-2024-46855 (GCVE-0-2024-46855)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_socket: fix sk refcount leaks
We must put 'sk' reference before returning.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2 Version: 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2 Version: 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2 Version: 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2 Version: 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2 Version: 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2 Version: 039b1f4f24ecc8493b6bb9d70b4b78750d1b35c2 Version: 6934809432d23e9e0081f82d882b8fc765deeb4a Version: f63432cd1bb224f61216e4a4726ff29ddffbed98 Version: 4.19.76 ≤ Version: 5.2.18 ≤ |
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CVE-2024-46857 (GCVE-0-2024-46857)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Fix bridge mode operations when there are no VFs
Currently, trying to set the bridge mode attribute when numvfs=0 leads to a
crash:
bridge link set dev eth2 hwmode vepa
[ 168.967392] BUG: kernel NULL pointer dereference, address: 0000000000000030
[...]
[ 168.969989] RIP: 0010:mlx5_add_flow_rules+0x1f/0x300 [mlx5_core]
[...]
[ 168.976037] Call Trace:
[ 168.976188] <TASK>
[ 168.978620] _mlx5_eswitch_set_vepa_locked+0x113/0x230 [mlx5_core]
[ 168.979074] mlx5_eswitch_set_vepa+0x7f/0xa0 [mlx5_core]
[ 168.979471] rtnl_bridge_setlink+0xe9/0x1f0
[ 168.979714] rtnetlink_rcv_msg+0x159/0x400
[ 168.980451] netlink_rcv_skb+0x54/0x100
[ 168.980675] netlink_unicast+0x241/0x360
[ 168.980918] netlink_sendmsg+0x1f6/0x430
[ 168.981162] ____sys_sendmsg+0x3bb/0x3f0
[ 168.982155] ___sys_sendmsg+0x88/0xd0
[ 168.985036] __sys_sendmsg+0x59/0xa0
[ 168.985477] do_syscall_64+0x79/0x150
[ 168.987273] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 168.987773] RIP: 0033:0x7f8f7950f917
(esw->fdb_table.legacy.vepa_fdb is null)
The bridge mode is only relevant when there are multiple functions per
port. Therefore, prevent setting and getting this setting when there are no
VFs.
Note that after this change, there are no settings to change on the PF
interface using `bridge link` when there are no VFs, so the interface no
longer appears in the `bridge link` output.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50062 (GCVE-0-2024-50062)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/rtrs-srv: Avoid null pointer deref during path establishment
For RTRS path establishment, RTRS client initiates and completes con_num
of connections. After establishing all its connections, the information
is exchanged between the client and server through the info_req message.
During this exchange, it is essential that all connections have been
established, and the state of the RTRS srv path is CONNECTED.
So add these sanity checks, to make sure we detect and abort process in
error scenarios to avoid null pointer deref.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2022-49024 (GCVE-0-2022-49024)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
can: m_can: pci: add missing m_can_class_free_dev() in probe/remove methods
In m_can_pci_remove() and error handling path of m_can_pci_probe(),
m_can_class_free_dev() should be called to free resource allocated by
m_can_class_allocate_dev(), otherwise there will be memleak.
References
Impacted products
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CVE-2024-27026 (GCVE-0-2024-27026)
Vulnerability from cvelistv5
Published
2024-05-01 12:49
Modified
2026-08-05 11:29
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vmxnet3: Fix missing reserved tailroom
Use rbi->len instead of rcd->len for non-dataring packet.
Found issue:
XDP_WARN: xdp_update_frame_from_buff(line:278): Driver BUG: missing reserved tailroom
WARNING: CPU: 0 PID: 0 at net/core/xdp.c:586 xdp_warn+0xf/0x20
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W O 6.5.1 #1
RIP: 0010:xdp_warn+0xf/0x20
...
? xdp_warn+0xf/0x20
xdp_do_redirect+0x15f/0x1c0
vmxnet3_run_xdp+0x17a/0x400 [vmxnet3]
vmxnet3_process_xdp+0xe4/0x760 [vmxnet3]
? vmxnet3_tq_tx_complete.isra.0+0x21e/0x2c0 [vmxnet3]
vmxnet3_rq_rx_complete+0x7ad/0x1120 [vmxnet3]
vmxnet3_poll_rx_only+0x2d/0xa0 [vmxnet3]
__napi_poll+0x20/0x180
net_rx_action+0x177/0x390
References
| URL | Tags | |
|---|---|---|
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CVE-2024-36953 (GCVE-0-2024-36953)
Vulnerability from cvelistv5
Published
2024-05-30 15:35
Modified
2026-05-11 20:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()
vgic_v2_parse_attr() is responsible for finding the vCPU that matches
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is invalid, kvm_get_vcpu_by_id() returns NULL, which isn't handled
gracefully.
Similar to the GICv3 uaccess flow, check that kvm_get_vcpu_by_id()
actually returns something and fail the ioctl if not.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
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| Linux | Linux |
Version: 7d450e2821710718fd6703e9c486249cee913bab Version: 7d450e2821710718fd6703e9c486249cee913bab Version: 7d450e2821710718fd6703e9c486249cee913bab Version: 7d450e2821710718fd6703e9c486249cee913bab Version: 7d450e2821710718fd6703e9c486249cee913bab Version: 7d450e2821710718fd6703e9c486249cee913bab |
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CVE-2024-49923 (GCVE-0-2024-49923)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags
[WHAT & HOW]
"dcn20_validate_apply_pipe_split_flags" dereferences merge, and thus it
cannot be a null pointer. Let's pass a valid pointer to avoid null
dereference.
This fixes 2 FORWARD_NULL issues reported by Coverity.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50236 (GCVE-0-2024-50236)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath10k: Fix memory leak in management tx
In the current logic, memory is allocated for storing the MSDU context
during management packet TX but this memory is not being freed during
management TX completion. Similar leaks are seen in the management TX
cleanup logic.
Kmemleak reports this problem as below,
unreferenced object 0xffffff80b64ed250 (size 16):
comm "kworker/u16:7", pid 148, jiffies 4294687130 (age 714.199s)
hex dump (first 16 bytes):
00 2b d8 d8 80 ff ff ff c4 74 e9 fd 07 00 00 00 .+.......t......
backtrace:
[<ffffffe6e7b245dc>] __kmem_cache_alloc_node+0x1e4/0x2d8
[<ffffffe6e7adde88>] kmalloc_trace+0x48/0x110
[<ffffffe6bbd765fc>] ath10k_wmi_tlv_op_gen_mgmt_tx_send+0xd4/0x1d8 [ath10k_core]
[<ffffffe6bbd3eed4>] ath10k_mgmt_over_wmi_tx_work+0x134/0x298 [ath10k_core]
[<ffffffe6e78d5974>] process_scheduled_works+0x1ac/0x400
[<ffffffe6e78d60b8>] worker_thread+0x208/0x328
[<ffffffe6e78dc890>] kthread+0x100/0x1c0
[<ffffffe6e78166c0>] ret_from_fork+0x10/0x20
Free the memory during completion and cleanup to fix the leak.
Protect the mgmt_pending_tx idr_remove() operation in
ath10k_wmi_tlv_op_cleanup_mgmt_tx_send() using ar->data_lock similar to
other instances.
Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.2.0-01387-QCAHLSWMTPLZ-1
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d Version: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d Version: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d Version: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d Version: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d Version: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d Version: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d Version: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d |
||
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CVE-2024-50271 (GCVE-0-2024-50271)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-11 20:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
signal: restore the override_rlimit logic
Prior to commit d64696905554 ("Reimplement RLIMIT_SIGPENDING on top of
ucounts") UCOUNT_RLIMIT_SIGPENDING rlimit was not enforced for a class of
signals. However now it's enforced unconditionally, even if
override_rlimit is set. This behavior change caused production issues.
For example, if the limit is reached and a process receives a SIGSEGV
signal, sigqueue_alloc fails to allocate the necessary resources for the
signal delivery, preventing the signal from being delivered with siginfo.
This prevents the process from correctly identifying the fault address and
handling the error. From the user-space perspective, applications are
unaware that the limit has been reached and that the siginfo is
effectively 'corrupted'. This can lead to unpredictable behavior and
crashes, as we observed with java applications.
Fix this by passing override_rlimit into inc_rlimit_get_ucounts() and skip
the comparison to max there if override_rlimit is set. This effectively
restores the old behavior.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49929 (GCVE-0-2024-49929)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: avoid NULL pointer dereference
iwl_mvm_tx_skb_sta() and iwl_mvm_tx_mpdu() verify that the mvmvsta
pointer is not NULL.
It retrieves this pointer using iwl_mvm_sta_from_mac80211, which is
dereferencing the ieee80211_sta pointer.
If sta is NULL, iwl_mvm_sta_from_mac80211 will dereference a NULL
pointer.
Fix this by checking the sta pointer before retrieving the mvmsta
from it. If sta is not NULL, then mvmsta isn't either.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50240 (GCVE-0-2024-50240)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
phy: qcom: qmp-usb: fix NULL-deref on runtime suspend
Commit 413db06c05e7 ("phy: qcom-qmp-usb: clean up probe initialisation")
removed most users of the platform device driver data, but mistakenly
also removed the initialisation despite the data still being used in the
runtime PM callbacks.
Restore the driver data initialisation at probe to avoid a NULL-pointer
dereference on runtime suspend.
Apparently no one uses runtime PM, which currently needs to be enabled
manually through sysfs, with this driver.
References
Impacted products
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CVE-2024-47662 (GCVE-0-2024-47662)
Vulnerability from cvelistv5
Published
2024-10-09 14:05
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Remove register from DCN35 DMCUB diagnostic collection
[Why]
These registers should not be read from driver and triggering the
security violation when DMCUB work times out and diagnostics are
collected blocks Z8 entry.
[How]
Remove the register read from DCN35.
References
Impacted products
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CVE-2024-47738 (GCVE-0-2024-47738)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: don't use rate mask for offchannel TX either
Like the commit ab9177d83c04 ("wifi: mac80211: don't use rate mask for
scanning"), ignore incorrect settings to avoid no supported rate warning
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The syzbot did bisect and found cause is commit 9df66d5b9f45 ("cfg80211:
fix default HE tx bitrate mask in 2G band"), which however corrects
bitmask of HE MCS and recognizes correctly settings of empty legacy rate
plus HE MCS rate instead of returning -EINVAL.
As suggestions [1], follow the change of SCAN TX to consider this case of
offchannel TX as well.
[1] https://lore.kernel.org/linux-wireless/6ab2dc9c3afe753ca6fdcdd1421e7a1f47e87b84.camel@sipsolutions.net/T/#m2ac2a6d2be06a37c9c47a3d8a44b4f647ed4f024
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9df66d5b9f45c39b3925d16e8947cc10009b186d Version: 9df66d5b9f45c39b3925d16e8947cc10009b186d Version: 9df66d5b9f45c39b3925d16e8947cc10009b186d Version: 9df66d5b9f45c39b3925d16e8947cc10009b186d Version: 9df66d5b9f45c39b3925d16e8947cc10009b186d Version: 1b728869a13470e4c25e8faf0dbb95a009c6850b Version: ccedf8163fa66f2db85d863a43f056ac69a5fef5 Version: 5924678a442d0f5ebf33ebb76b470e68414f1318 Version: 5.10.51 ≤ Version: 5.12.18 ≤ Version: 5.13.3 ≤ |
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CVE-2024-47675 (GCVE-0-2024-47675)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix use-after-free in bpf_uprobe_multi_link_attach()
If bpf_link_prime() fails, bpf_uprobe_multi_link_attach() goes to the
error_free label and frees the array of bpf_uprobe's without calling
bpf_uprobe_unregister().
This leaks bpf_uprobe->uprobe and worse, this frees bpf_uprobe->consumer
without removing it from the uprobe->consumers list.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2023-6270 (GCVE-0-2023-6270)
Vulnerability from cvelistv5
Published
2024-01-04 17:01
Modified
2026-03-24 11:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A flaw was found in the ATA over Ethernet (AoE) driver in the Linux kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on `struct net_device`, and a use-after-free can be triggered by racing between the free on the struct and the access through the `skbtxq` global queue. This could lead to a denial of service condition or potential code execution.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 |
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CVE-2024-47671 (GCVE-0-2024-47671)
Vulnerability from cvelistv5
Published
2024-10-09 14:49
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
USB: usbtmc: prevent kernel-usb-infoleak
The syzbot reported a kernel-usb-infoleak in usbtmc_write,
we need to clear the structure before filling fields.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-46861 (GCVE-0-2024-46861)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usbnet: ipheth: do not stop RX on failing RX callback
RX callbacks can fail for multiple reasons:
* Payload too short
* Payload formatted incorrecly (e.g. bad NCM framing)
* Lack of memory
None of these should cause the driver to seize up.
Make such failures non-critical and continue processing further
incoming URBs.
References
Impacted products
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CVE-2022-49027 (GCVE-0-2022-49027)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iavf: Fix error handling in iavf_init_module()
The iavf_init_module() won't destroy workqueue when pci_register_driver()
failed. Call destroy_workqueue() when pci_register_driver() failed to
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Similar to the handling of u132_hcd_init in commit f276e002793c
("usb: u132-hcd: fix resource leak")
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-41049 (GCVE-0-2024-41049)
Vulnerability from cvelistv5
Published
2024-07-29 14:32
Modified
2026-08-05 11:35
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
filelock: fix potential use-after-free in posix_lock_inode
Light Hsieh reported a KASAN UAF warning in trace_posix_lock_inode().
The request pointer had been changed earlier to point to a lock entry
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fire, another task raced in and freed that lock.
Fix this by moving the tracepoint inside the spinlock, which should
ensure that this doesn't happen.
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"value": "AV:L - The vulnerable `posix_lock_inode()` is reached from the local `fcntl(F_SETLK/F_SETLKW/F_OFD_SETLK)` syscall path (`fcntl_setlk` \u2192 `do_lock_file_wait` \u2192 `vfs_lock_file` \u2192 `posix_lock_file`), which is the universally present attack surface on every system. The nfsd/lockd/ksmbd callers of `vfs_lock_file()` also reach it, but those require an optional network file server to be configured and exporting a filesystem with no private `-\u003elock`, so the core defect is characterized as local.\nAC:L - The attacker controls both sides of the race: one thread issues an overlapping same-type `F_SETLK` that merges into an existing lock (making `request` point at a list-resident lock), while a second attacker thread issues an overlapping `F_UNLCK`/`close()` that deletes and `kmem_cache_free()`s that entry, and the window between `spin_unlock(\u0026ctx-\u003eflc_lock)`/`percpu_up_read()` and the tracepoint can be hit repeatedly in a tight loop with threads pinned to separate CPUs. Consistent with this CNA\u0027s scoring of other tracepoint-gated use-after-frees (CVE-2026-63910, CVE-2024-56759), the tracepoint-enabled precondition does not raise complexity.\nPR:L - Any unprivileged local user can call `fcntl()` on a file descriptor for a file it can already open; the only gate on the path is the `security_file_lock()` LSM hook, with no capability, root, or namespace requirement. POSIX advisory locks work on ordinary files in `/tmp`, `/dev/shm`, or the user\u0027s home directory.\nUI:N - The attacker\u0027s own threads perform every step \u2014 allocating the lock, merging it, and freeing it concurrently \u2014 with no action required from any other user or administrator.\nS:U - The freed `struct file_lock`, the corrupted read, and any resulting panic are all confined to the kernel of the same system; no VM, IOMMU, container, or sandbox boundary is crossed.\nC:H - The tracepoint reads seven fields out of a freed `filelock_cache` object \u2014 including the raw `flc_blocker` and `flc_owner` kernel pointers and the 64-bit `fl_start`/`fl_end` \u2014 after the attacker has had the opportunity to groom and reallocate that slab object, disclosing arbitrary reallocated kernel memory contents and defeating KASLR. Per kernel scoring guidance, use-after-free is rated High.\nI:H - A use-after-free on a `struct file_lock` that the attacker can reliably reallocate under control gives the classic UAF primitive \u2014 the stale `request` pointer is consumed as a live object after `kmem_cache_free()`, and heap spraying against the freed slot makes the condition exploitable for memory corruption rather than a benign stale read. Consistent with kernel guidance and this CNA\u0027s rating of the equivalent `dma_buf_fd()` tracepoint UAF, integrity impact is High.\nA:H - This is precisely the reported failure mode: the UAF read faulted the kernel on the reporter\u0027s MTE-enabled ARM64 system (`do_tag_check_fault` \u2192 `__do_kernel_fault` \u2192 panic), and on KASAN, hardware-tag, `slub_debug`, or `DEBUG_PAGEALLOC` builds the dereference of freed slab memory oopses. The race can be re-triggered in a loop, giving a repeatable local denial of service."
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CVE-2024-50298 (GCVE-0-2024-50298)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-07-14 12:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: enetc: allocate vf_state during PF probes
In the previous implementation, vf_state is allocated memory only when VF
is enabled. However, net_device_ops::ndo_set_vf_mac() may be called before
VF is enabled to configure the MAC address of VF. If this is the case,
enetc_pf_set_vf_mac() will access vf_state, resulting in access to a null
pointer. The simplified error log is as follows.
root@ls1028ardb:~# ip link set eno0 vf 1 mac 00:0c:e7:66:77:89
[ 173.543315] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004
[ 173.637254] pc : enetc_pf_set_vf_mac+0x3c/0x80 Message from sy
[ 173.641973] lr : do_setlink+0x4a8/0xec8
[ 173.732292] Call trace:
[ 173.734740] enetc_pf_set_vf_mac+0x3c/0x80
[ 173.738847] __rtnl_newlink+0x530/0x89c
[ 173.742692] rtnl_newlink+0x50/0x7c
[ 173.746189] rtnetlink_rcv_msg+0x128/0x390
[ 173.750298] netlink_rcv_skb+0x60/0x130
[ 173.754145] rtnetlink_rcv+0x18/0x24
[ 173.757731] netlink_unicast+0x318/0x380
[ 173.761665] netlink_sendmsg+0x17c/0x3c8
References
| URL | Tags | |
|---|---|---|
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: enetc: allocate vf_state during PF probes\n\nIn the previous implementation, vf_state is allocated memory only when VF\nis enabled. However, net_device_ops::ndo_set_vf_mac() may be called before\nVF is enabled to configure the MAC address of VF. If this is the case,\nenetc_pf_set_vf_mac() will access vf_state, resulting in access to a null\npointer. The simplified error log is as follows.\n\nroot@ls1028ardb:~# ip link set eno0 vf 1 mac 00:0c:e7:66:77:89\n[ 173.543315] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004\n[ 173.637254] pc : enetc_pf_set_vf_mac+0x3c/0x80 Message from sy\n[ 173.641973] lr : do_setlink+0x4a8/0xec8\n[ 173.732292] Call trace:\n[ 173.734740] enetc_pf_set_vf_mac+0x3c/0x80\n[ 173.738847] __rtnl_newlink+0x530/0x89c\n[ 173.742692] rtnl_newlink+0x50/0x7c\n[ 173.746189] rtnetlink_rcv_msg+0x128/0x390\n[ 173.750298] netlink_rcv_skb+0x60/0x130\n[ 173.754145] rtnetlink_rcv+0x18/0x24\n[ 173.757731] netlink_unicast+0x318/0x380\n[ 173.761665] netlink_sendmsg+0x17c/0x3c8"
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CVE-2022-49006 (GCVE-0-2022-49006)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tracing: Free buffers when a used dynamic event is removed
After 65536 dynamic events have been added and removed, the "type" field
of the event then uses the first type number that is available (not
currently used by other events). A type number is the identifier of the
binary blobs in the tracing ring buffer (known as events) to map them to
logic that can parse the binary blob.
The issue is that if a dynamic event (like a kprobe event) is traced and
is in the ring buffer, and then that event is removed (because it is
dynamic, which means it can be created and destroyed), if another dynamic
event is created that has the same number that new event's logic on
parsing the binary blob will be used.
To show how this can be an issue, the following can crash the kernel:
# cd /sys/kernel/tracing
# for i in `seq 65536`; do
echo 'p:kprobes/foo do_sys_openat2 $arg1:u32' > kprobe_events
# done
For every iteration of the above, the writing to the kprobe_events will
remove the old event and create a new one (with the same format) and
increase the type number to the next available on until the type number
reaches over 65535 which is the max number for the 16 bit type. After it
reaches that number, the logic to allocate a new number simply looks for
the next available number. When an dynamic event is removed, that number
is then available to be reused by the next dynamic event created. That is,
once the above reaches the max number, the number assigned to the event in
that loop will remain the same.
Now that means deleting one dynamic event and created another will reuse
the previous events type number. This is where bad things can happen.
After the above loop finishes, the kprobes/foo event which reads the
do_sys_openat2 function call's first parameter as an integer.
# echo 1 > kprobes/foo/enable
# cat /etc/passwd > /dev/null
# cat trace
cat-2211 [005] .... 2007.849603: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196
cat-2211 [005] .... 2007.849620: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196
cat-2211 [005] .... 2007.849838: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196
cat-2211 [005] .... 2007.849880: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196
# echo 0 > kprobes/foo/enable
Now if we delete the kprobe and create a new one that reads a string:
# echo 'p:kprobes/foo do_sys_openat2 +0($arg2):string' > kprobe_events
And now we can the trace:
# cat trace
sendmail-1942 [002] ..... 530.136320: foo: (do_sys_openat2+0x0/0x240) arg1= cat-2046 [004] ..... 530.930817: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������"
cat-2046 [004] ..... 530.930961: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������"
cat-2046 [004] ..... 530.934278: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������"
cat-2046 [004] ..... 530.934563: foo: (do_sys_openat2+0x0/0x240) arg1="���������������������������������������
---truncated---
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-45025 (GCVE-0-2024-45025)
Vulnerability from cvelistv5
Published
2024-09-11 15:13
Modified
2026-05-11 20:34
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fix bitmap corruption on close_range() with CLOSE_RANGE_UNSHARE
copy_fd_bitmaps(new, old, count) is expected to copy the first
count/BITS_PER_LONG bits from old->full_fds_bits[] and fill
the rest with zeroes. What it does is copying enough words
(BITS_TO_LONGS(count/BITS_PER_LONG)), then memsets the rest.
That works fine, *if* all bits past the cutoff point are
clear. Otherwise we are risking garbage from the last word
we'd copied.
For most of the callers that is true - expand_fdtable() has
count equal to old->max_fds, so there's no open descriptors
past count, let alone fully occupied words in ->open_fds[],
which is what bits in ->full_fds_bits[] correspond to.
The other caller (dup_fd()) passes sane_fdtable_size(old_fdt, max_fds),
which is the smallest multiple of BITS_PER_LONG that covers all
opened descriptors below max_fds. In the common case (copying on
fork()) max_fds is ~0U, so all opened descriptors will be below
it and we are fine, by the same reasons why the call in expand_fdtable()
is safe.
Unfortunately, there is a case where max_fds is less than that
and where we might, indeed, end up with junk in ->full_fds_bits[] -
close_range(from, to, CLOSE_RANGE_UNSHARE) with
* descriptor table being currently shared
* 'to' being above the current capacity of descriptor table
* 'from' being just under some chunk of opened descriptors.
In that case we end up with observably wrong behaviour - e.g. spawn
a child with CLONE_FILES, get all descriptors in range 0..127 open,
then close_range(64, ~0U, CLOSE_RANGE_UNSHARE) and watch dup(0) ending
up with descriptor #128, despite #64 being observably not open.
The minimally invasive fix would be to deal with that in dup_fd().
If this proves to add measurable overhead, we can go that way, but
let's try to fix copy_fd_bitmaps() first.
* new helper: bitmap_copy_and_expand(to, from, bits_to_copy, size).
* make copy_fd_bitmaps() take the bitmap size in words, rather than
bits; it's 'count' argument is always a multiple of BITS_PER_LONG,
so we are not losing any information, and that way we can use the
same helper for all three bitmaps - compiler will see that count
is a multiple of BITS_PER_LONG for the large ones, so it'll generate
plain memcpy()+memset().
Reproducer added to tools/testing/selftests/core/close_range_test.c
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 278a5fbaed89dacd04e9d052f4594ffd0e0585de Version: 278a5fbaed89dacd04e9d052f4594ffd0e0585de Version: 278a5fbaed89dacd04e9d052f4594ffd0e0585de Version: 278a5fbaed89dacd04e9d052f4594ffd0e0585de Version: 278a5fbaed89dacd04e9d052f4594ffd0e0585de Version: 278a5fbaed89dacd04e9d052f4594ffd0e0585de |
||
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CVE-2024-47704 (GCVE-0-2024-47704)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check link_res->hpo_dp_link_enc before using it
[WHAT & HOW]
Functions dp_enable_link_phy and dp_disable_link_phy can pass link_res
without initializing hpo_dp_link_enc and it is necessary to check for
null before dereferencing.
This fixes 2 FORWARD_NULL issues reported by Coverity.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49960 (GCVE-0-2024-49960)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix timer use-after-free on failed mount
Syzbot has found an ODEBUG bug in ext4_fill_super
The del_timer_sync function cancels the s_err_report timer,
which reminds about filesystem errors daily. We should
guarantee the timer is no longer active before kfree(sbi).
When filesystem mounting fails, the flow goes to failed_mount3,
where an error occurs when ext4_stop_mmpd is called, causing
a read I/O failure. This triggers the ext4_handle_error function
that ultimately re-arms the timer,
leaving the s_err_report timer active before kfree(sbi) is called.
Fix the issue by canceling the s_err_report timer after calling ext4_stop_mmpd.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
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CVE-2022-48664 (GCVE-0-2022-48664)
Vulnerability from cvelistv5
Published
2024-04-28 13:01
Modified
2026-05-23 15:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix hang during unmount when stopping a space reclaim worker
Often when running generic/562 from fstests we can hang during unmount,
resulting in a trace like this:
Sep 07 11:52:00 debian9 unknown: run fstests generic/562 at 2022-09-07 11:52:00
Sep 07 11:55:32 debian9 kernel: INFO: task umount:49438 blocked for more than 120 seconds.
Sep 07 11:55:32 debian9 kernel: Not tainted 6.0.0-rc2-btrfs-next-122 #1
Sep 07 11:55:32 debian9 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Sep 07 11:55:32 debian9 kernel: task:umount state:D stack: 0 pid:49438 ppid: 25683 flags:0x00004000
Sep 07 11:55:32 debian9 kernel: Call Trace:
Sep 07 11:55:32 debian9 kernel: <TASK>
Sep 07 11:55:32 debian9 kernel: __schedule+0x3c8/0xec0
Sep 07 11:55:32 debian9 kernel: ? rcu_read_lock_sched_held+0x12/0x70
Sep 07 11:55:32 debian9 kernel: schedule+0x5d/0xf0
Sep 07 11:55:32 debian9 kernel: schedule_timeout+0xf1/0x130
Sep 07 11:55:32 debian9 kernel: ? lock_release+0x224/0x4a0
Sep 07 11:55:32 debian9 kernel: ? lock_acquired+0x1a0/0x420
Sep 07 11:55:32 debian9 kernel: ? trace_hardirqs_on+0x2c/0xd0
Sep 07 11:55:32 debian9 kernel: __wait_for_common+0xac/0x200
Sep 07 11:55:32 debian9 kernel: ? usleep_range_state+0xb0/0xb0
Sep 07 11:55:32 debian9 kernel: __flush_work+0x26d/0x530
Sep 07 11:55:32 debian9 kernel: ? flush_workqueue_prep_pwqs+0x140/0x140
Sep 07 11:55:32 debian9 kernel: ? trace_clock_local+0xc/0x30
Sep 07 11:55:32 debian9 kernel: __cancel_work_timer+0x11f/0x1b0
Sep 07 11:55:32 debian9 kernel: ? close_ctree+0x12b/0x5b3 [btrfs]
Sep 07 11:55:32 debian9 kernel: ? __trace_bputs+0x10b/0x170
Sep 07 11:55:32 debian9 kernel: close_ctree+0x152/0x5b3 [btrfs]
Sep 07 11:55:32 debian9 kernel: ? evict_inodes+0x166/0x1c0
Sep 07 11:55:32 debian9 kernel: generic_shutdown_super+0x71/0x120
Sep 07 11:55:32 debian9 kernel: kill_anon_super+0x14/0x30
Sep 07 11:55:32 debian9 kernel: btrfs_kill_super+0x12/0x20 [btrfs]
Sep 07 11:55:32 debian9 kernel: deactivate_locked_super+0x2e/0xa0
Sep 07 11:55:32 debian9 kernel: cleanup_mnt+0x100/0x160
Sep 07 11:55:32 debian9 kernel: task_work_run+0x59/0xa0
Sep 07 11:55:32 debian9 kernel: exit_to_user_mode_prepare+0x1a6/0x1b0
Sep 07 11:55:32 debian9 kernel: syscall_exit_to_user_mode+0x16/0x40
Sep 07 11:55:32 debian9 kernel: do_syscall_64+0x48/0x90
Sep 07 11:55:32 debian9 kernel: entry_SYSCALL_64_after_hwframe+0x63/0xcd
Sep 07 11:55:32 debian9 kernel: RIP: 0033:0x7fcde59a57a7
Sep 07 11:55:32 debian9 kernel: RSP: 002b:00007ffe914217c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
Sep 07 11:55:32 debian9 kernel: RAX: 0000000000000000 RBX: 00007fcde5ae8264 RCX: 00007fcde59a57a7
Sep 07 11:55:32 debian9 kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055b57556cdd0
Sep 07 11:55:32 debian9 kernel: RBP: 000055b57556cba0 R08: 0000000000000000 R09: 00007ffe91420570
Sep 07 11:55:32 debian9 kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
Sep 07 11:55:32 debian9 kernel: R13: 000055b57556cdd0 R14: 000055b57556ccb8 R15: 0000000000000000
Sep 07 11:55:32 debian9 kernel: </TASK>
What happens is the following:
1) The cleaner kthread tries to start a transaction to delete an unused
block group, but the metadata reservation can not be satisfied right
away, so a reservation ticket is created and it starts the async
metadata reclaim task (fs_info->async_reclaim_work);
2) Writeback for all the filler inodes with an i_size of 2K starts
(generic/562 creates a lot of 2K files with the goal of filling
metadata space). We try to create an inline extent for them, but we
fail when trying to insert the inline extent with -ENOSPC (at
cow_file_range_inline()) - since this is not critical, we fallback
to non-inline mode (back to cow_file_range()), reserve extents
---truncated---
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: d6fd0ae25c6495674dc5a41a8d16bc8e0073276d Version: d6fd0ae25c6495674dc5a41a8d16bc8e0073276d Version: d6fd0ae25c6495674dc5a41a8d16bc8e0073276d Version: d6fd0ae25c6495674dc5a41a8d16bc8e0073276d Version: 1ec2bf44c3770b9c3d510b1e78d50cd7fd19e8c5 Version: b4c7c826709b7d882ec9b264d5032e887e6bd720 Version: 4.14.120 ≤ Version: 4.19.12 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix hang during unmount when stopping a space reclaim worker\n\nOften when running generic/562 from fstests we can hang during unmount,\nresulting in a trace like this:\n\n Sep 07 11:52:00 debian9 unknown: run fstests generic/562 at 2022-09-07 11:52:00\n Sep 07 11:55:32 debian9 kernel: INFO: task umount:49438 blocked for more than 120 seconds.\n Sep 07 11:55:32 debian9 kernel: Not tainted 6.0.0-rc2-btrfs-next-122 #1\n Sep 07 11:55:32 debian9 kernel: \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n Sep 07 11:55:32 debian9 kernel: task:umount state:D stack: 0 pid:49438 ppid: 25683 flags:0x00004000\n Sep 07 11:55:32 debian9 kernel: Call Trace:\n Sep 07 11:55:32 debian9 kernel: \u003cTASK\u003e\n Sep 07 11:55:32 debian9 kernel: __schedule+0x3c8/0xec0\n Sep 07 11:55:32 debian9 kernel: ? rcu_read_lock_sched_held+0x12/0x70\n Sep 07 11:55:32 debian9 kernel: schedule+0x5d/0xf0\n Sep 07 11:55:32 debian9 kernel: schedule_timeout+0xf1/0x130\n Sep 07 11:55:32 debian9 kernel: ? lock_release+0x224/0x4a0\n Sep 07 11:55:32 debian9 kernel: ? lock_acquired+0x1a0/0x420\n Sep 07 11:55:32 debian9 kernel: ? trace_hardirqs_on+0x2c/0xd0\n Sep 07 11:55:32 debian9 kernel: __wait_for_common+0xac/0x200\n Sep 07 11:55:32 debian9 kernel: ? usleep_range_state+0xb0/0xb0\n Sep 07 11:55:32 debian9 kernel: __flush_work+0x26d/0x530\n Sep 07 11:55:32 debian9 kernel: ? flush_workqueue_prep_pwqs+0x140/0x140\n Sep 07 11:55:32 debian9 kernel: ? trace_clock_local+0xc/0x30\n Sep 07 11:55:32 debian9 kernel: __cancel_work_timer+0x11f/0x1b0\n Sep 07 11:55:32 debian9 kernel: ? close_ctree+0x12b/0x5b3 [btrfs]\n Sep 07 11:55:32 debian9 kernel: ? __trace_bputs+0x10b/0x170\n Sep 07 11:55:32 debian9 kernel: close_ctree+0x152/0x5b3 [btrfs]\n Sep 07 11:55:32 debian9 kernel: ? evict_inodes+0x166/0x1c0\n Sep 07 11:55:32 debian9 kernel: generic_shutdown_super+0x71/0x120\n Sep 07 11:55:32 debian9 kernel: kill_anon_super+0x14/0x30\n Sep 07 11:55:32 debian9 kernel: btrfs_kill_super+0x12/0x20 [btrfs]\n Sep 07 11:55:32 debian9 kernel: deactivate_locked_super+0x2e/0xa0\n Sep 07 11:55:32 debian9 kernel: cleanup_mnt+0x100/0x160\n Sep 07 11:55:32 debian9 kernel: task_work_run+0x59/0xa0\n Sep 07 11:55:32 debian9 kernel: exit_to_user_mode_prepare+0x1a6/0x1b0\n Sep 07 11:55:32 debian9 kernel: syscall_exit_to_user_mode+0x16/0x40\n Sep 07 11:55:32 debian9 kernel: do_syscall_64+0x48/0x90\n Sep 07 11:55:32 debian9 kernel: entry_SYSCALL_64_after_hwframe+0x63/0xcd\n Sep 07 11:55:32 debian9 kernel: RIP: 0033:0x7fcde59a57a7\n Sep 07 11:55:32 debian9 kernel: RSP: 002b:00007ffe914217c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6\n Sep 07 11:55:32 debian9 kernel: RAX: 0000000000000000 RBX: 00007fcde5ae8264 RCX: 00007fcde59a57a7\n Sep 07 11:55:32 debian9 kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055b57556cdd0\n Sep 07 11:55:32 debian9 kernel: RBP: 000055b57556cba0 R08: 0000000000000000 R09: 00007ffe91420570\n Sep 07 11:55:32 debian9 kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\n Sep 07 11:55:32 debian9 kernel: R13: 000055b57556cdd0 R14: 000055b57556ccb8 R15: 0000000000000000\n Sep 07 11:55:32 debian9 kernel: \u003c/TASK\u003e\n\nWhat happens is the following:\n\n1) The cleaner kthread tries to start a transaction to delete an unused\n block group, but the metadata reservation can not be satisfied right\n away, so a reservation ticket is created and it starts the async\n metadata reclaim task (fs_info-\u003easync_reclaim_work);\n\n2) Writeback for all the filler inodes with an i_size of 2K starts\n (generic/562 creates a lot of 2K files with the goal of filling\n metadata space). We try to create an inline extent for them, but we\n fail when trying to insert the inline extent with -ENOSPC (at\n cow_file_range_inline()) - since this is not critical, we fallback\n to non-inline mode (back to cow_file_range()), reserve extents\n---truncated---"
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CVE-2024-26782 (GCVE-0-2024-26782)
Vulnerability from cvelistv5
Published
2024-04-04 08:20
Modified
2026-08-05 11:27
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: fix double-free on socket dismantle
when MPTCP server accepts an incoming connection, it clones its listener
socket. However, the pointer to 'inet_opt' for the new socket has the same
value as the original one: as a consequence, on program exit it's possible
to observe the following splat:
BUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0
Free of addr ffff888485950880 by task swapper/25/0
CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609
Hardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0 07/26/2013
Call Trace:
<IRQ>
dump_stack_lvl+0x32/0x50
print_report+0xca/0x620
kasan_report_invalid_free+0x64/0x90
__kasan_slab_free+0x1aa/0x1f0
kfree+0xed/0x2e0
inet_sock_destruct+0x54f/0x8b0
__sk_destruct+0x48/0x5b0
rcu_do_batch+0x34e/0xd90
rcu_core+0x559/0xac0
__do_softirq+0x183/0x5a4
irq_exit_rcu+0x12d/0x170
sysvec_apic_timer_interrupt+0x6b/0x80
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20
RIP: 0010:cpuidle_enter_state+0x175/0x300
Code: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed <0f> 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b
RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000
RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588
RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080
R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0
R13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80
cpuidle_enter+0x4a/0xa0
do_idle+0x310/0x410
cpu_startup_entry+0x51/0x60
start_secondary+0x211/0x270
secondary_startup_64_no_verify+0x184/0x18b
</TASK>
Allocated by task 6853:
kasan_save_stack+0x1c/0x40
kasan_save_track+0x10/0x30
__kasan_kmalloc+0xa6/0xb0
__kmalloc+0x1eb/0x450
cipso_v4_sock_setattr+0x96/0x360
netlbl_sock_setattr+0x132/0x1f0
selinux_netlbl_socket_post_create+0x6c/0x110
selinux_socket_post_create+0x37b/0x7f0
security_socket_post_create+0x63/0xb0
__sock_create+0x305/0x450
__sys_socket_create.part.23+0xbd/0x130
__sys_socket+0x37/0xb0
__x64_sys_socket+0x6f/0xb0
do_syscall_64+0x83/0x160
entry_SYSCALL_64_after_hwframe+0x6e/0x76
Freed by task 6858:
kasan_save_stack+0x1c/0x40
kasan_save_track+0x10/0x30
kasan_save_free_info+0x3b/0x60
__kasan_slab_free+0x12c/0x1f0
kfree+0xed/0x2e0
inet_sock_destruct+0x54f/0x8b0
__sk_destruct+0x48/0x5b0
subflow_ulp_release+0x1f0/0x250
tcp_cleanup_ulp+0x6e/0x110
tcp_v4_destroy_sock+0x5a/0x3a0
inet_csk_destroy_sock+0x135/0x390
tcp_fin+0x416/0x5c0
tcp_data_queue+0x1bc8/0x4310
tcp_rcv_state_process+0x15a3/0x47b0
tcp_v4_do_rcv+0x2c1/0x990
tcp_v4_rcv+0x41fb/0x5ed0
ip_protocol_deliver_rcu+0x6d/0x9f0
ip_local_deliver_finish+0x278/0x360
ip_local_deliver+0x182/0x2c0
ip_rcv+0xb5/0x1c0
__netif_receive_skb_one_core+0x16e/0x1b0
process_backlog+0x1e3/0x650
__napi_poll+0xa6/0x500
net_rx_action+0x740/0xbb0
__do_softirq+0x183/0x5a4
The buggy address belongs to the object at ffff888485950880
which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes inside of
64-byte region [ffff888485950880, ffff8884859508c0)
The buggy address belongs to the physical page:
page:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950
flags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)
page_type: 0xffffffff()
raw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006
raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888485950780: fa fb fb
---truncated---
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: cf7da0d66cc1a2a19fc5930bb746ffbb2d4cd1be Version: cf7da0d66cc1a2a19fc5930bb746ffbb2d4cd1be Version: cf7da0d66cc1a2a19fc5930bb746ffbb2d4cd1be Version: cf7da0d66cc1a2a19fc5930bb746ffbb2d4cd1be Version: cf7da0d66cc1a2a19fc5930bb746ffbb2d4cd1be Version: cf7da0d66cc1a2a19fc5930bb746ffbb2d4cd1be |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix double-free on socket dismantle\n\nwhen MPTCP server accepts an incoming connection, it clones its listener\nsocket. However, the pointer to \u0027inet_opt\u0027 for the new socket has the same\nvalue as the original one: as a consequence, on program exit it\u0027s possible\nto observe the following splat:\n\n BUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0\n Free of addr ffff888485950880 by task swapper/25/0\n\n CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609\n Hardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0 07/26/2013\n Call Trace:\n \u003cIRQ\u003e\n dump_stack_lvl+0x32/0x50\n print_report+0xca/0x620\n kasan_report_invalid_free+0x64/0x90\n __kasan_slab_free+0x1aa/0x1f0\n kfree+0xed/0x2e0\n inet_sock_destruct+0x54f/0x8b0\n __sk_destruct+0x48/0x5b0\n rcu_do_batch+0x34e/0xd90\n rcu_core+0x559/0xac0\n __do_softirq+0x183/0x5a4\n irq_exit_rcu+0x12d/0x170\n sysvec_apic_timer_interrupt+0x6b/0x80\n \u003c/IRQ\u003e\n \u003cTASK\u003e\n asm_sysvec_apic_timer_interrupt+0x16/0x20\n RIP: 0010:cpuidle_enter_state+0x175/0x300\n Code: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed \u003c0f\u003e 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b\n RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202\n RAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000\n RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588\n RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080\n R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0\n R13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80\n cpuidle_enter+0x4a/0xa0\n do_idle+0x310/0x410\n cpu_startup_entry+0x51/0x60\n start_secondary+0x211/0x270\n secondary_startup_64_no_verify+0x184/0x18b\n \u003c/TASK\u003e\n\n Allocated by task 6853:\n kasan_save_stack+0x1c/0x40\n kasan_save_track+0x10/0x30\n __kasan_kmalloc+0xa6/0xb0\n __kmalloc+0x1eb/0x450\n cipso_v4_sock_setattr+0x96/0x360\n netlbl_sock_setattr+0x132/0x1f0\n selinux_netlbl_socket_post_create+0x6c/0x110\n selinux_socket_post_create+0x37b/0x7f0\n security_socket_post_create+0x63/0xb0\n __sock_create+0x305/0x450\n __sys_socket_create.part.23+0xbd/0x130\n __sys_socket+0x37/0xb0\n __x64_sys_socket+0x6f/0xb0\n do_syscall_64+0x83/0x160\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\n Freed by task 6858:\n kasan_save_stack+0x1c/0x40\n kasan_save_track+0x10/0x30\n kasan_save_free_info+0x3b/0x60\n __kasan_slab_free+0x12c/0x1f0\n kfree+0xed/0x2e0\n inet_sock_destruct+0x54f/0x8b0\n __sk_destruct+0x48/0x5b0\n subflow_ulp_release+0x1f0/0x250\n tcp_cleanup_ulp+0x6e/0x110\n tcp_v4_destroy_sock+0x5a/0x3a0\n inet_csk_destroy_sock+0x135/0x390\n tcp_fin+0x416/0x5c0\n tcp_data_queue+0x1bc8/0x4310\n tcp_rcv_state_process+0x15a3/0x47b0\n tcp_v4_do_rcv+0x2c1/0x990\n tcp_v4_rcv+0x41fb/0x5ed0\n ip_protocol_deliver_rcu+0x6d/0x9f0\n ip_local_deliver_finish+0x278/0x360\n ip_local_deliver+0x182/0x2c0\n ip_rcv+0xb5/0x1c0\n __netif_receive_skb_one_core+0x16e/0x1b0\n process_backlog+0x1e3/0x650\n __napi_poll+0xa6/0x500\n net_rx_action+0x740/0xbb0\n __do_softirq+0x183/0x5a4\n\n The buggy address belongs to the object at ffff888485950880\n which belongs to the cache kmalloc-64 of size 64\n The buggy address is located 0 bytes inside of\n 64-byte region [ffff888485950880, ffff8884859508c0)\n\n The buggy address belongs to the physical page:\n page:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950\n flags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)\n page_type: 0xffffffff()\n raw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006\n raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffff888485950780: fa fb fb\n---truncated---"
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"value": "AV:N - The vulnerable clone occurs in `subflow_syn_recv_sock()` during softirq processing of a received MPTCP third-ACK (ip_rcv \u2192 tcp_v4_rcv \u2192 tcp_check_req), so any remote host able to reach the MPTCP listening port triggers it. Both the aliasing and the subsequent frees are driven entirely by attacker-sent packets.\nAC:L - On an MPTCP server with NetLabel/CIPSO labeling (the shipped SELinux-MLS/Smack configuration in which this was reported), every completed MP_CAPABLE handshake deterministically clones the shared pointer, and each connection teardown frees it again \u2014 no race, no memory-layout dependency, and the attacker can repeat the connect/close cycle arbitrarily to control allocation interleaving.\nPR:N - The clone happens in the kernel\u0027s SYN-recv path before `accept()` and before any application-level authentication, so the attacker needs no credentials on the target at all. The listening socket is set up by the victim service, not by the attacker.\nUI:N - No victim action is needed beyond the MPTCP service already listening; the attacker completes the handshake and closes connections on its own.\nS:U - The corruption is confined to the kernel\u0027s own slab allocator within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The double free (and the IPv6 `ipv6_txoptions` refcount underflow) causes two live kernel objects to alias the same kmalloc-64 region, a well-known route to type confusion and arbitrary kernel-memory disclosure. Per kernel scoring guidance, use-after-free/double-free is scored High.\nI:H - Repeated frees of a still-referenced object corrupt the SLUB freelist, giving heap-spray and arbitrary-write primitives that can be leveraged for control-flow hijack and privilege escalation. The attacker can invoke the free primitive an unbounded number of times remotely.\nA:H - Even unweaponized, the double free produces slab corruption, a KASAN `kasan_report_invalid_free` BUG, or a kernel panic (the reported splat occurs in an RCU softirq callback), crashing the machine."
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CVE-2024-50200 (GCVE-0-2024-50200)
Vulnerability from cvelistv5
Published
2024-11-08 05:54
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
maple_tree: correct tree corruption on spanning store
Patch series "maple_tree: correct tree corruption on spanning store", v3.
There has been a nasty yet subtle maple tree corruption bug that appears
to have been in existence since the inception of the algorithm.
This bug seems far more likely to happen since commit f8d112a4e657
("mm/mmap: avoid zeroing vma tree in mmap_region()"), which is the point
at which reports started to be submitted concerning this bug.
We were made definitely aware of the bug thanks to the kind efforts of
Bert Karwatzki who helped enormously in my being able to track this down
and identify the cause of it.
The bug arises when an attempt is made to perform a spanning store across
two leaf nodes, where the right leaf node is the rightmost child of the
shared parent, AND the store completely consumes the right-mode node.
This results in mas_wr_spanning_store() mitakenly duplicating the new and
existing entries at the maximum pivot within the range, and thus maple
tree corruption.
The fix patch corrects this by detecting this scenario and disallowing the
mistaken duplicate copy.
The fix patch commit message goes into great detail as to how this occurs.
This series also includes a test which reliably reproduces the issue, and
asserts that the fix works correctly.
Bert has kindly tested the fix and confirmed it resolved his issues. Also
Mikhail Gavrilov kindly reported what appears to be precisely the same
bug, which this fix should also resolve.
This patch (of 2):
There has been a subtle bug present in the maple tree implementation from
its inception.
This arises from how stores are performed - when a store occurs, it will
overwrite overlapping ranges and adjust the tree as necessary to
accommodate this.
A range may always ultimately span two leaf nodes. In this instance we
walk the two leaf nodes, determine which elements are not overwritten to
the left and to the right of the start and end of the ranges respectively
and then rebalance the tree to contain these entries and the newly
inserted one.
This kind of store is dubbed a 'spanning store' and is implemented by
mas_wr_spanning_store().
In order to reach this stage, mas_store_gfp() invokes
mas_wr_preallocate(), mas_wr_store_type() and mas_wr_walk() in turn to
walk the tree and update the object (mas) to traverse to the location
where the write should be performed, determining its store type.
When a spanning store is required, this function returns false stopping at
the parent node which contains the target range, and mas_wr_store_type()
marks the mas->store_type as wr_spanning_store to denote this fact.
When we go to perform the store in mas_wr_spanning_store(), we first
determine the elements AFTER the END of the range we wish to store (that
is, to the right of the entry to be inserted) - we do this by walking to
the NEXT pivot in the tree (i.e. r_mas.last + 1), starting at the node we
have just determined contains the range over which we intend to write.
We then turn our attention to the entries to the left of the entry we are
inserting, whose state is represented by l_mas, and copy these into a 'big
node', which is a special node which contains enough slots to contain two
leaf node's worth of data.
We then copy the entry we wish to store immediately after this - the copy
and the insertion of the new entry is performed by mas_store_b_node().
After this we copy the elements to the right of the end of the range which
we are inserting, if we have not exceeded the length of the node (i.e.
r_mas.offset <= r_mas.end).
Herein lies the bug - under very specific circumstances, this logic can
break and corrupt the maple tree.
Consider the following tree:
Height
0 Root Node
/ \
pivot = 0xffff / \ pivot = ULONG_MAX
/
---truncated---
References
| URL | Tags | |
|---|---|---|
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmaple_tree: correct tree corruption on spanning store\n\nPatch series \"maple_tree: correct tree corruption on spanning store\", v3.\n\nThere has been a nasty yet subtle maple tree corruption bug that appears\nto have been in existence since the inception of the algorithm.\n\nThis bug seems far more likely to happen since commit f8d112a4e657\n(\"mm/mmap: avoid zeroing vma tree in mmap_region()\"), which is the point\nat which reports started to be submitted concerning this bug.\n\nWe were made definitely aware of the bug thanks to the kind efforts of\nBert Karwatzki who helped enormously in my being able to track this down\nand identify the cause of it.\n\nThe bug arises when an attempt is made to perform a spanning store across\ntwo leaf nodes, where the right leaf node is the rightmost child of the\nshared parent, AND the store completely consumes the right-mode node.\n\nThis results in mas_wr_spanning_store() mitakenly duplicating the new and\nexisting entries at the maximum pivot within the range, and thus maple\ntree corruption.\n\nThe fix patch corrects this by detecting this scenario and disallowing the\nmistaken duplicate copy.\n\nThe fix patch commit message goes into great detail as to how this occurs.\n\nThis series also includes a test which reliably reproduces the issue, and\nasserts that the fix works correctly.\n\nBert has kindly tested the fix and confirmed it resolved his issues. Also\nMikhail Gavrilov kindly reported what appears to be precisely the same\nbug, which this fix should also resolve.\n\n\nThis patch (of 2):\n\nThere has been a subtle bug present in the maple tree implementation from\nits inception.\n\nThis arises from how stores are performed - when a store occurs, it will\noverwrite overlapping ranges and adjust the tree as necessary to\naccommodate this.\n\nA range may always ultimately span two leaf nodes. In this instance we\nwalk the two leaf nodes, determine which elements are not overwritten to\nthe left and to the right of the start and end of the ranges respectively\nand then rebalance the tree to contain these entries and the newly\ninserted one.\n\nThis kind of store is dubbed a \u0027spanning store\u0027 and is implemented by\nmas_wr_spanning_store().\n\nIn order to reach this stage, mas_store_gfp() invokes\nmas_wr_preallocate(), mas_wr_store_type() and mas_wr_walk() in turn to\nwalk the tree and update the object (mas) to traverse to the location\nwhere the write should be performed, determining its store type.\n\nWhen a spanning store is required, this function returns false stopping at\nthe parent node which contains the target range, and mas_wr_store_type()\nmarks the mas-\u003estore_type as wr_spanning_store to denote this fact.\n\nWhen we go to perform the store in mas_wr_spanning_store(), we first\ndetermine the elements AFTER the END of the range we wish to store (that\nis, to the right of the entry to be inserted) - we do this by walking to\nthe NEXT pivot in the tree (i.e. r_mas.last + 1), starting at the node we\nhave just determined contains the range over which we intend to write.\n\nWe then turn our attention to the entries to the left of the entry we are\ninserting, whose state is represented by l_mas, and copy these into a \u0027big\nnode\u0027, which is a special node which contains enough slots to contain two\nleaf node\u0027s worth of data.\n\nWe then copy the entry we wish to store immediately after this - the copy\nand the insertion of the new entry is performed by mas_store_b_node().\n\nAfter this we copy the elements to the right of the end of the range which\nwe are inserting, if we have not exceeded the length of the node (i.e. \nr_mas.offset \u003c= r_mas.end).\n\nHerein lies the bug - under very specific circumstances, this logic can\nbreak and corrupt the maple tree.\n\nConsider the following tree:\n\nHeight\n 0 Root Node\n / \\\n pivot = 0xffff / \\ pivot = ULONG_MAX\n / \n---truncated---"
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"value": "AV:L - The corruption is triggered through maple tree stores on the per-process VMA tree, reached via ordinary memory-management syscalls (mmap/munmap/mremap/mprotect/brk) issued by a local process. No network protocol handler parses attacker data into this path.\nAC:L - The attacker fully controls the tree topology by constructing an arbitrary VMA layout in its own address space (default max_map_count 65530 permits the required 3-level tree) and then issuing an mmap(MAP_FIXED)/munmap whose range ends precisely on the rightmost leaf\u0027s last pivot; nothing depends on state outside its control, and the bug was reproduced consistently by reporters during normal workloads.\nPR:L - Any unprivileged local user can issue the mmap/munmap sequence that produces the spanning store; no capability, namespace privilege, or ownership check exists on the path from the syscall to mas_wr_spanning_store().\nUI:N - The attacking process triggers the corruption entirely on its own address space with no victim action, file to open, or filesystem to mount.\nS:U - The corrupted maple tree and the resulting freed vm_area_struct/kernel memory are within the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The retained duplicate entry leaves a dangling vm_area_struct pointer in the live VMA tree, giving a use-after-free that can be groomed for arbitrary kernel memory disclosure, and the broken gap accounting can hand out mappings overlapping live VMAs, exposing another mapping\u0027s contents.\nI:H - The stale tree entry yields a use-after-free and a second remove_vma() at exit_mmap (double free of the VMA slab object plus double fput of vm_file, causing struct file refcount underflow) \u2014 classic write primitives for heap grooming and control-flow hijack.\nA:H - Tree corruption reliably produces kernel oopses, BUG_ON/validation failures, slab corruption and panics \u2014 exactly the mm instability and crashes reported by Bert Karwatzki and Mikhail Gavrilov."
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CVE-2024-50136 (GCVE-0-2024-50136)
Vulnerability from cvelistv5
Published
2024-11-05 17:11
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Unregister notifier on eswitch init failure
It otherwise remains registered and a subsequent attempt at eswitch
enabling might trigger warnings of the sort:
[ 682.589148] ------------[ cut here ]------------
[ 682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered
[ 682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90
[...snipped]
[ 682.610052] Call Trace:
[ 682.610369] <TASK>
[ 682.610663] ? __warn+0x7c/0x110
[ 682.611050] ? notifier_chain_register+0x3e/0x90
[ 682.611556] ? report_bug+0x148/0x170
[ 682.611977] ? handle_bug+0x36/0x70
[ 682.612384] ? exc_invalid_op+0x13/0x60
[ 682.612817] ? asm_exc_invalid_op+0x16/0x20
[ 682.613284] ? notifier_chain_register+0x3e/0x90
[ 682.613789] atomic_notifier_chain_register+0x25/0x40
[ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core]
[ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core]
[ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core]
[ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core]
[ 682.616789] sriov_numvfs_store+0xb0/0x1b0
[ 682.617248] kernfs_fop_write_iter+0x117/0x1a0
[ 682.617734] vfs_write+0x231/0x3f0
[ 682.618138] ksys_write+0x63/0xe0
[ 682.618536] do_syscall_64+0x4c/0x100
[ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0aa1e83a20f12e9eaad32f72212ebc7fe0c29c95 Version: 7624e58a8b3a251e3e5108b32f2183b34453db32 Version: 7624e58a8b3a251e3e5108b32f2183b34453db32 Version: 7624e58a8b3a251e3e5108b32f2183b34453db32 Version: dc426bd9d813aa5754ce35adaa6f97f0585c06fc Version: 6.1.60 ≤ Version: 6.5.9 ≤ |
||
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CVE-2022-48990 (GCVE-0-2022-48990)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: fix use-after-free during gpu recovery
[Why]
[ 754.862560] refcount_t: underflow; use-after-free.
[ 754.862898] Call Trace:
[ 754.862903] <TASK>
[ 754.862913] amdgpu_job_free_cb+0xc2/0xe1 [amdgpu]
[ 754.863543] drm_sched_main.cold+0x34/0x39 [amd_sched]
[How]
The fw_fence may be not init, check whether dma_fence_init
is performed before job free
References
Impacted products
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"value": "AV:L - Reachable only via local AMDGPU DRM paths on /dev/dri/renderD* (AMDGPU_CS submission and context/entity teardown into amdgpu_job_free_cb); there is no network or adjacent-protocol entry into the GPU scheduler job free path.\nAC:L - An attacker fully controls both sides\u2014queue jobs then destroy the context/process (drm_sched_entity_kill \u2192 free_job on never-run jobs), or hang the GPU to force recovery so skipped jobs hit free_cb without dma_fence_init\u2014so the uninitialized hw_fence put is deterministic with no attacker-uncontrollable race.\nPR:L - AMDGPU_CS/CTX are DRM_AUTH|DRM_RENDER_ALLOW; any unprivileged user with render-node access (render/video group, desktop sessions, Android GPU apps) can open /dev/dri/renderD* and submit/teardown work without CAP_SYS_ADMIN or real root.\nUI:N - The attacker opens the render node and issues AMDGPU_CS/context destroy (or triggers a hang) entirely from their own process; no separate victim action is required.\nS:U - Impact is confined to the host kernel\u2019s security authority (local job/fence lifetime corruption in amdgpu); there is no VM escape, IOMMU bypass, or other cross-boundary scope change.\nC:H - The kernel classifies this as use-after-free (refcount_t underflow on the embedded hw_fence in amdgpu_job_free_cb); per UAF guidance, reclaim/spray of the corrupted job/fence lifetime enables arbitrary kernel read primitives.\nI:H - The same UAF-class fence/job free-path corruption (putting an uninitialized or incorrectly lifetime-managed hw_fence) enables heap corruption suitable for arbitrary write and control-flow hijack, matching prior amdgpu UAF scoring.\nA:H - The demonstrated effect is a kernel WARNING/refcount underflow use-after-free in amdgpu_job_free_cb (and can panic under panic_on_warn), and the bad free path can oops or destabilize GPU recovery/teardown, which is High availability impact."
}
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"dateReserved": "2024-08-22T01:27:53.635Z",
"dateUpdated": "2026-08-05T08:53:19.510Z",
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CVE-2024-50088 (GCVE-0-2024-50088)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix uninitialized pointer free in add_inode_ref()
The add_inode_ref() function does not initialize the "name" struct when
it is declared. If any of the following calls to "read_one_inode()
returns NULL,
dir = read_one_inode(root, parent_objectid);
if (!dir) {
ret = -ENOENT;
goto out;
}
inode = read_one_inode(root, inode_objectid);
if (!inode) {
ret = -EIO;
goto out;
}
then "name.name" would be freed on "out" before being initialized.
out:
...
kfree(name.name);
This issue was reported by Coverity with CID 1526744.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50121 (GCVE-0-2024-50121)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfsd: cancel nfsd_shrinker_work using sync mode in nfs4_state_shutdown_net
In the normal case, when we excute `echo 0 > /proc/fs/nfsd/threads`, the
function `nfs4_state_destroy_net` in `nfs4_state_shutdown_net` will
release all resources related to the hashed `nfs4_client`. If the
`nfsd_client_shrinker` is running concurrently, the `expire_client`
function will first unhash this client and then destroy it. This can
lead to the following warning. Additionally, numerous use-after-free
errors may occur as well.
nfsd_client_shrinker echo 0 > /proc/fs/nfsd/threads
expire_client nfsd_shutdown_net
unhash_client ...
nfs4_state_shutdown_net
/* won't wait shrinker exit */
/* cancel_work(&nn->nfsd_shrinker_work)
* nfsd_file for this /* won't destroy unhashed client1 */
* client1 still alive nfs4_state_destroy_net
*/
nfsd_file_cache_shutdown
/* trigger warning */
kmem_cache_destroy(nfsd_file_slab)
kmem_cache_destroy(nfsd_file_mark_slab)
/* release nfsd_file and mark */
__destroy_client
====================================================================
BUG nfsd_file (Not tainted): Objects remaining in nfsd_file on
__kmem_cache_shutdown()
--------------------------------------------------------------------
CPU: 4 UID: 0 PID: 764 Comm: sh Not tainted 6.12.0-rc3+ #1
dump_stack_lvl+0x53/0x70
slab_err+0xb0/0xf0
__kmem_cache_shutdown+0x15c/0x310
kmem_cache_destroy+0x66/0x160
nfsd_file_cache_shutdown+0xac/0x210 [nfsd]
nfsd_destroy_serv+0x251/0x2a0 [nfsd]
nfsd_svc+0x125/0x1e0 [nfsd]
write_threads+0x16a/0x2a0 [nfsd]
nfsctl_transaction_write+0x74/0xa0 [nfsd]
vfs_write+0x1a5/0x6d0
ksys_write+0xc1/0x160
do_syscall_64+0x5f/0x170
entry_SYSCALL_64_after_hwframe+0x76/0x7e
====================================================================
BUG nfsd_file_mark (Tainted: G B W ): Objects remaining
nfsd_file_mark on __kmem_cache_shutdown()
--------------------------------------------------------------------
dump_stack_lvl+0x53/0x70
slab_err+0xb0/0xf0
__kmem_cache_shutdown+0x15c/0x310
kmem_cache_destroy+0x66/0x160
nfsd_file_cache_shutdown+0xc8/0x210 [nfsd]
nfsd_destroy_serv+0x251/0x2a0 [nfsd]
nfsd_svc+0x125/0x1e0 [nfsd]
write_threads+0x16a/0x2a0 [nfsd]
nfsctl_transaction_write+0x74/0xa0 [nfsd]
vfs_write+0x1a5/0x6d0
ksys_write+0xc1/0x160
do_syscall_64+0x5f/0x170
entry_SYSCALL_64_after_hwframe+0x76/0x7e
To resolve this issue, cancel `nfsd_shrinker_work` using synchronous
mode in nfs4_state_shutdown_net.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2bbf10861d51dae76c6da7113516d0071c782653 Version: 958294a3eb82026fcfff20b0287a90e9c854785e Version: f3ea5ec83d1a827f074b2b660749817e0bf2b23e Version: 7c24fa225081f31bc6da6a355c1ba801889ab29a Version: 7c24fa225081f31bc6da6a355c1ba801889ab29a Version: 7c24fa225081f31bc6da6a355c1ba801889ab29a Version: 5.10.220 ≤ Version: 5.15.154 ≤ Version: 6.1.81 ≤ |
||
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{
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"status": "unaffected",
"version": "6.6.59",
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"status": "unaffected",
"version": "6.11.6",
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CVE-2024-49914 (GCVE-0-2024-49914)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add null check for pipe_ctx->plane_state in dcn20_program_pipe
This commit addresses a null pointer dereference issue in the
`dcn20_program_pipe` function. The issue could occur when
`pipe_ctx->plane_state` is null.
The fix adds a check to ensure `pipe_ctx->plane_state` is not null
before accessing. This prevents a null pointer dereference.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn20/dcn20_hwseq.c:1925 dcn20_program_pipe() error: we previously assumed 'pipe_ctx->plane_state' could be null (see line 1877)
References
Impacted products
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CVE-2024-50295 (GCVE-0-2024-50295)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: arc: fix the device for dma_map_single/dma_unmap_single
The ndev->dev and pdev->dev aren't the same device, use ndev->dev.parent
which has dma_mask, ndev->dev.parent is just pdev->dev.
Or it would cause the following issue:
[ 39.933526] ------------[ cut here ]------------
[ 39.938414] WARNING: CPU: 1 PID: 501 at kernel/dma/mapping.c:149 dma_map_page_attrs+0x90/0x1f8
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f959dcd6ddfd29235030e8026471ac1b022ad2b0 Version: f959dcd6ddfd29235030e8026471ac1b022ad2b0 Version: f959dcd6ddfd29235030e8026471ac1b022ad2b0 Version: f959dcd6ddfd29235030e8026471ac1b022ad2b0 Version: f959dcd6ddfd29235030e8026471ac1b022ad2b0 Version: f959dcd6ddfd29235030e8026471ac1b022ad2b0 Version: 4e57482e8440fac7137832629109730ea4b267aa Version: 5.9.2 ≤ |
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CVE-2024-49853 (GCVE-0-2024-49853)
Vulnerability from cvelistv5
Published
2024-10-21 12:18
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
firmware: arm_scmi: Fix double free in OPTEE transport
Channels can be shared between protocols, avoid freeing the same channel
descriptors twice when unloading the stack.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2022-48977 (GCVE-0-2022-48977)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-23 15:21
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
can: af_can: fix NULL pointer dereference in can_rcv_filter
Analogue to commit 8aa59e355949 ("can: af_can: fix NULL pointer
dereference in can_rx_register()") we need to check for a missing
initialization of ml_priv in the receive path of CAN frames.
Since commit 4e096a18867a ("net: introduce CAN specific pointer in the
struct net_device") the check for dev->type to be ARPHRD_CAN is not
sufficient anymore since bonding or tun netdevices claim to be CAN
devices but do not initialize ml_priv accordingly.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-47670 (GCVE-0-2024-47670)
Vulnerability from cvelistv5
Published
2024-10-09 14:49
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: add bounds checking to ocfs2_xattr_find_entry()
Add a paranoia check to make sure it doesn't stray beyond valid memory
region containing ocfs2 xattr entries when scanning for a match. It will
prevent out-of-bound access in case of crafted images.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-49944 (GCVE-0-2024-49944)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-12 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start
In sctp_listen_start() invoked by sctp_inet_listen(), it should set the
sk_state back to CLOSED if sctp_autobind() fails due to whatever reason.
Otherwise, next time when calling sctp_inet_listen(), if sctp_sk(sk)->reuse
is already set via setsockopt(SCTP_REUSE_PORT), sctp_sk(sk)->bind_hash will
be dereferenced as sk_state is LISTENING, which causes a crash as bind_hash
is NULL.
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
RIP: 0010:sctp_inet_listen+0x7f0/0xa20 net/sctp/socket.c:8617
Call Trace:
<TASK>
__sys_listen_socket net/socket.c:1883 [inline]
__sys_listen+0x1b7/0x230 net/socket.c:1894
__do_sys_listen net/socket.c:1902 [inline]
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 5e8f3f703ae4e4af65e2695e486b3cd198328863 Version: 5e8f3f703ae4e4af65e2695e486b3cd198328863 Version: 5e8f3f703ae4e4af65e2695e486b3cd198328863 Version: 5e8f3f703ae4e4af65e2695e486b3cd198328863 Version: 5e8f3f703ae4e4af65e2695e486b3cd198328863 Version: 5e8f3f703ae4e4af65e2695e486b3cd198328863 Version: 5e8f3f703ae4e4af65e2695e486b3cd198328863 Version: 5e8f3f703ae4e4af65e2695e486b3cd198328863 Version: 5e8f3f703ae4e4af65e2695e486b3cd198328863 |
||
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CVE-2024-50130 (GCVE-0-2024-50130)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: bpf: must hold reference on net namespace
BUG: KASAN: slab-use-after-free in __nf_unregister_net_hook+0x640/0x6b0
Read of size 8 at addr ffff8880106fe400 by task repro/72=
bpf_nf_link_release+0xda/0x1e0
bpf_link_free+0x139/0x2d0
bpf_link_release+0x68/0x80
__fput+0x414/0xb60
Eric says:
It seems that bpf was able to defer the __nf_unregister_net_hook()
after exit()/close() time.
Perhaps a netns reference is missing, because the netns has been
dismantled/freed already.
bpf_nf_link_attach() does :
link->net = net;
But I do not see a reference being taken on net.
Add such a reference and release it after hook unreg.
Note that I was unable to get syzbot reproducer to work, so I
do not know if this resolves this splat.
References
Impacted products
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"value": "AV:L - The only entry point is the `bpf(BPF_LINK_CREATE)` syscall combined with `unshare(CLONE_NEWNET)`/`setns()` and `close()` of the link fd, all of which require an executing context on the local machine. No network peer, adjacent-network frame, or physical bus is involved in triggering the dangling `link-\u003enet`.\nAC:L - The attacker performs every step of the sequence themselves \u2014 create the netns, attach the link, drop the last netns reference, wait for `cleanup_net()` to free the `struct net`, then close the fd \u2014 with no race against another party and no unpredictable precondition. Heap grooming of the `net_namespace` cache is done by the attacker\u0027s own repeated namespace creation, and the trigger can be repeated arbitrarily.\nPR:L - Reaching `bpf_nf_link_attach()` needs only `CAP_BPF` plus `CAP_NET_ADMIN` at prog-load time, and `bpf_token_capable()` falls back to `ns_capable(token-\u003euserns, ...)`, so a delegated bpffs BPF token \u2014 the mechanism built expressly for containers \u2014 grants it to an unprivileged user-namespace process; netns creation itself needs only `ns_capable(CAP_SYS_ADMIN)` via `unshare -Ur`. These are non-root, delegable capabilities commonly held by ordinary observability/networking daemons, consistent with kernel CNA precedent for CAP_BPF-gated bugs.\nUI:N - The attacking process creates the namespace, attaches the link, releases the namespace and closes the descriptor entirely within its own context. No victim needs to mount, open, configure, or click anything.\nS:U - The use-after-free occurs in kernel memory and the resulting corruption is confined to the kernel\u0027s own security authority on the same host. No hypervisor, IOMMU, or VM boundary is crossed.\nC:H - This is a slab use-after-free on `struct net` \u2014 KASAN reports an 8-byte read of freed memory in `__nf_unregister_net_hook()`, and the stale `nf_hook_entries` pointer it yields is then walked and copied by `__nf_hook_entries_try_shrink()` into a fresh allocation. With the freed object reclaimed under attacker-controlled content this becomes a controlled read of arbitrary kernel memory, and it also leaks kernel text/heap addresses of adjacent namespace state.\nI:H - After the freed `struct net` is reallocated, `nf_remove_net_hook()` writes `accept_all` and `\u0026dummy_ops` \u2014 known kernel addresses \u2014 through a pointer and index taken from attacker-groomed memory, and `bpf_nf_disable_defrag()` decrements/zeroes `net-\u003enf.defrag_ipv4_users` in the freed object. That is a write primitive at an attacker-influenced address, sufficient to corrupt another namespace\u0027s netfilter hook table or to build control-flow hijack toward privilege escalation.\nA:H - Even without exploitation the bug is a confirmed KASAN slab-use-after-free that dereferences freed and possibly reused memory in `__nf_unregister_net_hook()`, trips `WARN_ON_ONCE(!p)`/`WARN_ONCE(1, \"hook not found\")`, and readily oopses or panics the kernel. It also leaks the entire `nf_hook_entries` blob of every torn-down namespace, and can be repeated in a loop to reliably crash the host."
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CVE-2024-46806 (GCVE-0-2024-46806)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-05-11 20:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Fix the warning division or modulo by zero
Checks the partition mode and returns an error for an invalid mode.
References
Impacted products
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CVE-2024-50279 (GCVE-0-2024-50279)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
dm cache: fix out-of-bounds access to the dirty bitset when resizing
dm-cache checks the dirty bits of the cache blocks to be dropped when
shrinking the fast device, but an index bug in bitset iteration causes
out-of-bounds access.
Reproduce steps:
1. create a cache device of 1024 cache blocks (128 bytes dirty bitset)
dmsetup create cmeta --table "0 8192 linear /dev/sdc 0"
dmsetup create cdata --table "0 131072 linear /dev/sdc 8192"
dmsetup create corig --table "0 524288 linear /dev/sdc 262144"
dd if=/dev/zero of=/dev/mapper/cmeta bs=4k count=1 oflag=direct
dmsetup create cache --table "0 524288 cache /dev/mapper/cmeta \
/dev/mapper/cdata /dev/mapper/corig 128 2 metadata2 writethrough smq 0"
2. shrink the fast device to 512 cache blocks, triggering out-of-bounds
access to the dirty bitset (offset 0x80)
dmsetup suspend cache
dmsetup reload cdata --table "0 65536 linear /dev/sdc 8192"
dmsetup resume cdata
dmsetup resume cache
KASAN reports:
BUG: KASAN: vmalloc-out-of-bounds in cache_preresume+0x269/0x7b0
Read of size 8 at addr ffffc900000f3080 by task dmsetup/131
(...snip...)
The buggy address belongs to the virtual mapping at
[ffffc900000f3000, ffffc900000f5000) created by:
cache_ctr+0x176a/0x35f0
(...snip...)
Memory state around the buggy address:
ffffc900000f2f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc900000f3000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900000f3080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
^
ffffc900000f3100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc900000f3180: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
Fix by making the index post-incremented.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 |
||
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},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.117",
"versionStartIncluding": "3.13",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"vulnerable": true
},
{
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"vulnerable": true
},
{
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm cache: fix out-of-bounds access to the dirty bitset when resizing\n\ndm-cache checks the dirty bits of the cache blocks to be dropped when\nshrinking the fast device, but an index bug in bitset iteration causes\nout-of-bounds access.\n\nReproduce steps:\n\n1. create a cache device of 1024 cache blocks (128 bytes dirty bitset)\n\ndmsetup create cmeta --table \"0 8192 linear /dev/sdc 0\"\ndmsetup create cdata --table \"0 131072 linear /dev/sdc 8192\"\ndmsetup create corig --table \"0 524288 linear /dev/sdc 262144\"\ndd if=/dev/zero of=/dev/mapper/cmeta bs=4k count=1 oflag=direct\ndmsetup create cache --table \"0 524288 cache /dev/mapper/cmeta \\\n/dev/mapper/cdata /dev/mapper/corig 128 2 metadata2 writethrough smq 0\"\n\n2. shrink the fast device to 512 cache blocks, triggering out-of-bounds\n access to the dirty bitset (offset 0x80)\n\ndmsetup suspend cache\ndmsetup reload cdata --table \"0 65536 linear /dev/sdc 8192\"\ndmsetup resume cdata\ndmsetup resume cache\n\nKASAN reports:\n\n BUG: KASAN: vmalloc-out-of-bounds in cache_preresume+0x269/0x7b0\n Read of size 8 at addr ffffc900000f3080 by task dmsetup/131\n\n (...snip...)\n The buggy address belongs to the virtual mapping at\n [ffffc900000f3000, ffffc900000f5000) created by:\n cache_ctr+0x176a/0x35f0\n\n (...snip...)\n Memory state around the buggy address:\n ffffc900000f2f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8\n ffffc900000f3000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n \u003effffc900000f3080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8\n ^\n ffffc900000f3100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8\n ffffc900000f3180: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8\n\nFix by making the index post-incremented."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:49:03.406Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/4fa4feb873cea0e9d6ff883b37cca6f33169d8b4"
},
{
"url": "https://git.kernel.org/stable/c/8501e38dc9e0060814c4085815fc83da3e6d43bf"
},
{
"url": "https://git.kernel.org/stable/c/ee1f74925717ab36f6a091104c170639501ce818"
},
{
"url": "https://git.kernel.org/stable/c/ff1dd8a04c30e8d4e2fd5c83198ca672eb6a9e7f"
},
{
"url": "https://git.kernel.org/stable/c/56507203e1b6127967ec2b51fb0b23a0d4af1334"
},
{
"url": "https://git.kernel.org/stable/c/e57648ce325fa405fe6bbd0e6a618ced7c301a2d"
},
{
"url": "https://git.kernel.org/stable/c/3b02c40ff10fdf83cc545850db208de855ebe22c"
},
{
"url": "https://git.kernel.org/stable/c/792227719725497ce10a8039803bec13f89f8910"
}
],
"title": "dm cache: fix out-of-bounds access to the dirty bitset when resizing",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50279",
"datePublished": "2024-11-19T01:30:20.712Z",
"dateReserved": "2024-10-21T19:36:19.983Z",
"dateUpdated": "2026-05-11T20:49:03.406Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-50181 (GCVE-0-2024-50181)
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
"containers": {
"cna": {
"providerMetadata": {
"dateUpdated": "2025-03-03T08:16:01.884Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"rejectedReasons": [
{
"lang": "en",
"value": "This CVE ID has been rejected or withdrawn by its CVE Numbering Authority."
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"cveId": "CVE-2024-50181",
"datePublished": "2024-11-08T05:38:22.620Z",
"dateRejected": "2025-03-03T08:16:01.884Z",
"dateReserved": "2024-10-21T19:36:19.965Z",
"dateUpdated": "2025-03-03T08:16:01.884Z",
"state": "REJECTED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2024-49934 (GCVE-0-2024-49934)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name
It's observed that a crash occurs during hot-remove a memory device,
in which user is accessing the hugetlb. See calltrace as following:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 14045 at arch/x86/mm/fault.c:1278 do_user_addr_fault+0x2a0/0x790
Modules linked in: kmem device_dax cxl_mem cxl_pmem cxl_port cxl_pci dax_hmem dax_pmem nd_pmem cxl_acpi nd_btt cxl_core crc32c_intel nvme virtiofs fuse nvme_core nfit libnvdimm dm_multipath scsi_dh_rdac scsi_dh_emc s
mirror dm_region_hash dm_log dm_mod
CPU: 1 PID: 14045 Comm: daxctl Not tainted 6.10.0-rc2-lizhijian+ #492
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
RIP: 0010:do_user_addr_fault+0x2a0/0x790
Code: 48 8b 00 a8 04 0f 84 b5 fe ff ff e9 1c ff ff ff 4c 89 e9 4c 89 e2 be 01 00 00 00 bf 02 00 00 00 e8 b5 ef 24 00 e9 42 fe ff ff <0f> 0b 48 83 c4 08 4c 89 ea 48 89 ee 4c 89 e7 5b 5d 41 5c 41 5d 41
RSP: 0000:ffffc90000a575f0 EFLAGS: 00010046
RAX: ffff88800c303600 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000001000 RSI: ffffffff82504162 RDI: ffffffff824b2c36
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000a57658
R13: 0000000000001000 R14: ffff88800bc2e040 R15: 0000000000000000
FS: 00007f51cb57d880(0000) GS:ffff88807fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000001000 CR3: 00000000072e2004 CR4: 00000000001706f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
? __warn+0x8d/0x190
? do_user_addr_fault+0x2a0/0x790
? report_bug+0x1c3/0x1d0
? handle_bug+0x3c/0x70
? exc_invalid_op+0x14/0x70
? asm_exc_invalid_op+0x16/0x20
? do_user_addr_fault+0x2a0/0x790
? exc_page_fault+0x31/0x200
exc_page_fault+0x68/0x200
<...snip...>
BUG: unable to handle page fault for address: 0000000000001000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 800000000ad92067 P4D 800000000ad92067 PUD 7677067 PMD 0
Oops: Oops: 0000 [#1] PREEMPT SMP PTI
---[ end trace 0000000000000000 ]---
BUG: unable to handle page fault for address: 0000000000001000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 800000000ad92067 P4D 800000000ad92067 PUD 7677067 PMD 0
Oops: Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 14045 Comm: daxctl Kdump: loaded Tainted: G W 6.10.0-rc2-lizhijian+ #492
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
RIP: 0010:dentry_name+0x1f4/0x440
<...snip...>
? dentry_name+0x2fa/0x440
vsnprintf+0x1f3/0x4f0
vprintk_store+0x23a/0x540
vprintk_emit+0x6d/0x330
_printk+0x58/0x80
dump_mapping+0x10b/0x1a0
? __pfx_free_object_rcu+0x10/0x10
__dump_page+0x26b/0x3e0
? vprintk_emit+0xe0/0x330
? _printk+0x58/0x80
? dump_page+0x17/0x50
dump_page+0x17/0x50
do_migrate_range+0x2f7/0x7f0
? do_migrate_range+0x42/0x7f0
? offline_pages+0x2f4/0x8c0
offline_pages+0x60a/0x8c0
memory_subsys_offline+0x9f/0x1c0
? lockdep_hardirqs_on+0x77/0x100
? _raw_spin_unlock_irqrestore+0x38/0x60
device_offline+0xe3/0x110
state_store+0x6e/0xc0
kernfs_fop_write_iter+0x143/0x200
vfs_write+0x39f/0x560
ksys_write+0x65/0xf0
do_syscall_64+0x62/0x130
Previously, some sanity check have been done in dump_mapping() before
the print facility parsing '%pd' though, it's still possible to run into
an invalid dentry.d_name.name.
Since dump_mapping() only needs to dump the filename only, retrieve it
by itself in a safer way to prevent an unnecessary crash.
Note that either retrieving the filename with '%pd' or
strncpy_from_kernel_nofault(), the filename could be unreliable.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
{
"containers": {
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"metrics": [
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"id": "CVE-2024-49934",
"options": [
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},
{
"Automatable": "no"
},
{
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],
"role": "CISA Coordinator",
"timestamp": "2024-10-22T13:38:39.445288Z",
"version": "2.0.3"
},
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"dateUpdated": "2024-10-22T13:48:42.703Z",
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},
"title": "CISA ADP Vulnrichment"
},
{
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{
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
}
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{
"defaultStatus": "unaffected",
"product": "Linux",
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"fs/inode.c"
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"versions": [
{
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"versions": [
{
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},
{
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"status": "unaffected",
"version": "0",
"versionType": "semver"
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"version": "6.1.120",
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},
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"version": "6.6.64",
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"status": "unaffected",
"version": "6.11.3",
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},
{
"lessThanOrEqual": "*",
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"version": "6.12",
"versionType": "original_commit_for_fix"
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"cpeApplicability": [
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"nodes": [
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{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name\n\nIt\u0027s observed that a crash occurs during hot-remove a memory device,\nin which user is accessing the hugetlb. See calltrace as following:\n\n------------[ cut here ]------------\nWARNING: CPU: 1 PID: 14045 at arch/x86/mm/fault.c:1278 do_user_addr_fault+0x2a0/0x790\nModules linked in: kmem device_dax cxl_mem cxl_pmem cxl_port cxl_pci dax_hmem dax_pmem nd_pmem cxl_acpi nd_btt cxl_core crc32c_intel nvme virtiofs fuse nvme_core nfit libnvdimm dm_multipath scsi_dh_rdac scsi_dh_emc s\nmirror dm_region_hash dm_log dm_mod\nCPU: 1 PID: 14045 Comm: daxctl Not tainted 6.10.0-rc2-lizhijian+ #492\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014\nRIP: 0010:do_user_addr_fault+0x2a0/0x790\nCode: 48 8b 00 a8 04 0f 84 b5 fe ff ff e9 1c ff ff ff 4c 89 e9 4c 89 e2 be 01 00 00 00 bf 02 00 00 00 e8 b5 ef 24 00 e9 42 fe ff ff \u003c0f\u003e 0b 48 83 c4 08 4c 89 ea 48 89 ee 4c 89 e7 5b 5d 41 5c 41 5d 41\nRSP: 0000:ffffc90000a575f0 EFLAGS: 00010046\nRAX: ffff88800c303600 RBX: 0000000000000000 RCX: 0000000000000000\nRDX: 0000000000001000 RSI: ffffffff82504162 RDI: ffffffff824b2c36\nRBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000a57658\nR13: 0000000000001000 R14: ffff88800bc2e040 R15: 0000000000000000\nFS: 00007f51cb57d880(0000) GS:ffff88807fd00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000001000 CR3: 00000000072e2004 CR4: 00000000001706f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n ? __warn+0x8d/0x190\n ? do_user_addr_fault+0x2a0/0x790\n ? report_bug+0x1c3/0x1d0\n ? handle_bug+0x3c/0x70\n ? exc_invalid_op+0x14/0x70\n ? asm_exc_invalid_op+0x16/0x20\n ? do_user_addr_fault+0x2a0/0x790\n ? exc_page_fault+0x31/0x200\n exc_page_fault+0x68/0x200\n\u003c...snip...\u003e\nBUG: unable to handle page fault for address: 0000000000001000\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 800000000ad92067 P4D 800000000ad92067 PUD 7677067 PMD 0\n Oops: Oops: 0000 [#1] PREEMPT SMP PTI\n ---[ end trace 0000000000000000 ]---\n BUG: unable to handle page fault for address: 0000000000001000\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 800000000ad92067 P4D 800000000ad92067 PUD 7677067 PMD 0\n Oops: Oops: 0000 [#1] PREEMPT SMP PTI\n CPU: 1 PID: 14045 Comm: daxctl Kdump: loaded Tainted: G W 6.10.0-rc2-lizhijian+ #492\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014\n RIP: 0010:dentry_name+0x1f4/0x440\n\u003c...snip...\u003e\n? dentry_name+0x2fa/0x440\nvsnprintf+0x1f3/0x4f0\nvprintk_store+0x23a/0x540\nvprintk_emit+0x6d/0x330\n_printk+0x58/0x80\ndump_mapping+0x10b/0x1a0\n? __pfx_free_object_rcu+0x10/0x10\n__dump_page+0x26b/0x3e0\n? vprintk_emit+0xe0/0x330\n? _printk+0x58/0x80\n? dump_page+0x17/0x50\ndump_page+0x17/0x50\ndo_migrate_range+0x2f7/0x7f0\n? do_migrate_range+0x42/0x7f0\n? offline_pages+0x2f4/0x8c0\noffline_pages+0x60a/0x8c0\nmemory_subsys_offline+0x9f/0x1c0\n? lockdep_hardirqs_on+0x77/0x100\n? _raw_spin_unlock_irqrestore+0x38/0x60\ndevice_offline+0xe3/0x110\nstate_store+0x6e/0xc0\nkernfs_fop_write_iter+0x143/0x200\nvfs_write+0x39f/0x560\nksys_write+0x65/0xf0\ndo_syscall_64+0x62/0x130\n\nPreviously, some sanity check have been done in dump_mapping() before\nthe print facility parsing \u0027%pd\u0027 though, it\u0027s still possible to run into\nan invalid dentry.d_name.name.\n\nSince dump_mapping() only needs to dump the filename only, retrieve it\nby itself in a safer way to prevent an unnecessary crash.\n\nNote that either retrieving the filename with \u0027%pd\u0027 or\nstrncpy_from_kernel_nofault(), the filename could be unreliable."
}
],
"metrics": [
{
"cvssV3_1": {
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
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{
"lang": "en",
"value": "AV:L - The vulnerable code is reached only through local kernel activity \u2014 page-cache/dentry churn plus a memory offline or page-state anomaly on the same machine \u2014 with no network-facing entry point. There is no remote protocol handler anywhere on the path from `dump_page()` to `dump_mapping()`.\nAC:L - Both sides of the race are attacker-influenceable: the attacker pins page-cache folios so `isolate_folio_to_list()`/`migrate_pages()` fail and force the `dump_page()` call, while concurrently renaming/unlinking long-named files to free the `external_name` allocation that `d_name.name` points at. Per the race-condition guidance, an attacker who creates both sides of the window scores Low.\nPR:L - An ordinary unprivileged user creates the entire vulnerable condition \u2014 the stale `d_name.name` pointer and the pinned/unmovable page-cache folios that trigger the dump \u2014 needing only normal filesystem and memory syscalls. In CXL tiering, virtio-mem, and balloon deployments the offline side is automated infrastructure rather than an operator action, so no elevated privilege is required of the attacker.\nUI:N - In memory-tiering and ballooning deployments the offline/migration pass runs automatically without any operator action, and the anomaly-triggered callers (`bad_page()`, `print_bad_pte()`, `filemap_unaccount_folio()`) require no victim involvement at all. The attacker\u0027s own pinning and dentry churn supply everything needed.\nS:U - The wild read and the resulting oops occur entirely within the kernel\u0027s own security authority, with no crossing of a VM, IOMMU, or sandbox boundary. This is a standard in-kernel memory-safety defect.\nC:H - `dentry_name()` reads an unbounded NUL-terminated run of kernel memory from a stale pointer and `pr_warn()` copies those bytes into the kernel ring buffer, which is world-readable by default (`kernel.dmesg_restrict=0`). Because the pointer is loaded from a freed `external_name`/dentry slot that an attacker can reclaim with sprayed data, the wild read can be steered toward a chosen kernel address, yielding an arbitrary-read-to-dmesg primitive rather than a bounded leak.\nI:N - `dump_mapping()` only loads from the stale pointer and formats the result; there is no out-of-bounds write, and `vsnprintf()`\u0027s `buf \u003c end` guard prevents the oversized string from overflowing the printk buffer. No kernel state is modified by the defect.\nA:H - The documented result is an unhandled supervisor page fault (\"BUG: unable to handle page fault for address: 0000000000001000\") at `dentry_name+0x1f4`, i.e. a kernel oops. It fires from inside `vprintk_store()` while the memory-hotplug path holds `mem_hotplug_lock`, so it can wedge printk and the hotplug machinery system-wide, and becomes a full panic under `panic_on_oops`."
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"url": "https://git.kernel.org/stable/c/e0f6ee75f50476607ca82fc7c3711c795ce09b52"
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"url": "https://git.kernel.org/stable/c/f92b8829c6e75632de4e2b9f70e7a7e6c5c2ba98"
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"title": "fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name",
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"cveMetadata": {
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"assignerShortName": "Linux",
"cveId": "CVE-2024-49934",
"datePublished": "2024-10-21T18:01:55.752Z",
"dateReserved": "2024-10-21T12:17:06.040Z",
"dateUpdated": "2026-08-05T11:40:32.168Z",
"state": "PUBLISHED"
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CVE-2022-49003 (GCVE-0-2022-49003)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme: fix SRCU protection of nvme_ns_head list
Walking the nvme_ns_head siblings list is protected by the head's srcu
in nvme_ns_head_submit_bio() but not nvme_mpath_revalidate_paths().
Removing namespaces from the list also fails to synchronize the srcu.
Concurrent scan work can therefore cause use-after-frees.
Hold the head's srcu lock in nvme_mpath_revalidate_paths() and
synchronize with the srcu, not the global RCU, in nvme_ns_remove().
Observed the following panic when making NVMe/RDMA connections
with native multipath on the Rocky Linux 8.6 kernel
(it seems the upstream kernel has the same race condition).
Disassembly shows the faulting instruction is cmp 0x50(%rdx),%rcx;
computing capacity != get_capacity(ns->disk).
Address 0x50 is dereferenced because ns->disk is NULL.
The NULL disk appears to be the result of concurrent scan work
freeing the namespace (note the log line in the middle of the panic).
[37314.206036] BUG: unable to handle kernel NULL pointer dereference at 0000000000000050
[37314.206036] nvme0n3: detected capacity change from 0 to 11811160064
[37314.299753] PGD 0 P4D 0
[37314.299756] Oops: 0000 [#1] SMP PTI
[37314.299759] CPU: 29 PID: 322046 Comm: kworker/u98:3 Kdump: loaded Tainted: G W X --------- - - 4.18.0-372.32.1.el8test86.x86_64 #1
[37314.299762] Hardware name: Dell Inc. PowerEdge R720/0JP31P, BIOS 2.7.0 05/23/2018
[37314.299763] Workqueue: nvme-wq nvme_scan_work [nvme_core]
[37314.299783] RIP: 0010:nvme_mpath_revalidate_paths+0x26/0xb0 [nvme_core]
[37314.299790] Code: 1f 44 00 00 66 66 66 66 90 55 53 48 8b 5f 50 48 8b 83 c8 c9 00 00 48 8b 13 48 8b 48 50 48 39 d3 74 20 48 8d 42 d0 48 8b 50 20 <48> 3b 4a 50 74 05 f0 80 60 70 ef 48 8b 50 30 48 8d 42 d0 48 39 d3
[37315.058803] RSP: 0018:ffffabe28f913d10 EFLAGS: 00010202
[37315.121316] RAX: ffff927a077da800 RBX: ffff92991dd70000 RCX: 0000000001600000
[37315.206704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff92991b719800
[37315.292106] RBP: ffff929a6b70c000 R08: 000000010234cd4a R09: c0000000ffff7fff
[37315.377501] R10: 0000000000000001 R11: ffffabe28f913a30 R12: 0000000000000000
[37315.462889] R13: ffff92992716600c R14: ffff929964e6e030 R15: ffff92991dd70000
[37315.548286] FS: 0000000000000000(0000) GS:ffff92b87fb80000(0000) knlGS:0000000000000000
[37315.645111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[37315.713871] CR2: 0000000000000050 CR3: 0000002208810006 CR4: 00000000000606e0
[37315.799267] Call Trace:
[37315.828515] nvme_update_ns_info+0x1ac/0x250 [nvme_core]
[37315.892075] nvme_validate_or_alloc_ns+0x2ff/0xa00 [nvme_core]
[37315.961871] ? __blk_mq_free_request+0x6b/0x90
[37316.015021] nvme_scan_work+0x151/0x240 [nvme_core]
[37316.073371] process_one_work+0x1a7/0x360
[37316.121318] ? create_worker+0x1a0/0x1a0
[37316.168227] worker_thread+0x30/0x390
[37316.212024] ? create_worker+0x1a0/0x1a0
[37316.258939] kthread+0x10a/0x120
[37316.297557] ? set_kthread_struct+0x50/0x50
[37316.347590] ret_from_fork+0x35/0x40
[37316.390360] Modules linked in: nvme_rdma nvme_tcp(X) nvme_fabrics nvme_core netconsole iscsi_tcp libiscsi_tcp dm_queue_length dm_service_time nf_conntrack_netlink br_netfilter bridge stp llc overlay nft_chain_nat ipt_MASQUERADE nf_nat xt_addrtype xt_CT nft_counter xt_state xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_comment xt_multiport nft_compat nf_tables libcrc32c nfnetlink dm_multipath tg3 rpcrdma sunrpc rdma_ucm ib_srpt ib_isert iscsi_target_mod target_core_mod ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm intel_rapl_msr iTCO_wdt iTCO_vendor_support dcdbas intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel ipmi_ssif kvm irqbypass crct10dif_pclmul crc32_pclmul mlx5_ib ghash_clmulni_intel ib_uverbs rapl intel_cstate intel_uncore ib_core ipmi_si joydev mei_me pcspkr ipmi_devintf mei lpc_ich wmi ipmi_msghandler acpi_power_meter ex
---truncated---
References
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2022-49003",
"options": [
{
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},
{
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},
{
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"timestamp": "2024-10-22T13:14:55.180723Z",
"version": "2.0.3"
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
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"product": "Linux",
"programFiles": [
"drivers/nvme/host/core.c",
"drivers/nvme/host/multipath.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"status": "affected",
"version": "e7d65803e2bb5bc739548b67a5fc72c626cf7e3b",
"versionType": "git"
},
{
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"version": "e7d65803e2bb5bc739548b67a5fc72c626cf7e3b",
"versionType": "git"
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{
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"version": "e7d65803e2bb5bc739548b67a5fc72c626cf7e3b",
"versionType": "git"
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{
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],
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"vendor": "Linux",
"versions": [
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"version": "5.15"
},
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"status": "unaffected",
"version": "0",
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"version": "5.15.82",
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"version": "6.0.12",
"versionType": "semver"
},
{
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
}
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}
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"versionEndExcluding": "5.15.82",
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.0.12",
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},
{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme: fix SRCU protection of nvme_ns_head list\n\nWalking the nvme_ns_head siblings list is protected by the head\u0027s srcu\nin nvme_ns_head_submit_bio() but not nvme_mpath_revalidate_paths().\nRemoving namespaces from the list also fails to synchronize the srcu.\nConcurrent scan work can therefore cause use-after-frees.\n\nHold the head\u0027s srcu lock in nvme_mpath_revalidate_paths() and\nsynchronize with the srcu, not the global RCU, in nvme_ns_remove().\n\nObserved the following panic when making NVMe/RDMA connections\nwith native multipath on the Rocky Linux 8.6 kernel\n(it seems the upstream kernel has the same race condition).\nDisassembly shows the faulting instruction is cmp 0x50(%rdx),%rcx;\ncomputing capacity != get_capacity(ns-\u003edisk).\nAddress 0x50 is dereferenced because ns-\u003edisk is NULL.\nThe NULL disk appears to be the result of concurrent scan work\nfreeing the namespace (note the log line in the middle of the panic).\n\n[37314.206036] BUG: unable to handle kernel NULL pointer dereference at 0000000000000050\n[37314.206036] nvme0n3: detected capacity change from 0 to 11811160064\n[37314.299753] PGD 0 P4D 0\n[37314.299756] Oops: 0000 [#1] SMP PTI\n[37314.299759] CPU: 29 PID: 322046 Comm: kworker/u98:3 Kdump: loaded Tainted: G W X --------- - - 4.18.0-372.32.1.el8test86.x86_64 #1\n[37314.299762] Hardware name: Dell Inc. PowerEdge R720/0JP31P, BIOS 2.7.0 05/23/2018\n[37314.299763] Workqueue: nvme-wq nvme_scan_work [nvme_core]\n[37314.299783] RIP: 0010:nvme_mpath_revalidate_paths+0x26/0xb0 [nvme_core]\n[37314.299790] Code: 1f 44 00 00 66 66 66 66 90 55 53 48 8b 5f 50 48 8b 83 c8 c9 00 00 48 8b 13 48 8b 48 50 48 39 d3 74 20 48 8d 42 d0 48 8b 50 20 \u003c48\u003e 3b 4a 50 74 05 f0 80 60 70 ef 48 8b 50 30 48 8d 42 d0 48 39 d3\n[37315.058803] RSP: 0018:ffffabe28f913d10 EFLAGS: 00010202\n[37315.121316] RAX: ffff927a077da800 RBX: ffff92991dd70000 RCX: 0000000001600000\n[37315.206704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff92991b719800\n[37315.292106] RBP: ffff929a6b70c000 R08: 000000010234cd4a R09: c0000000ffff7fff\n[37315.377501] R10: 0000000000000001 R11: ffffabe28f913a30 R12: 0000000000000000\n[37315.462889] R13: ffff92992716600c R14: ffff929964e6e030 R15: ffff92991dd70000\n[37315.548286] FS: 0000000000000000(0000) GS:ffff92b87fb80000(0000) knlGS:0000000000000000\n[37315.645111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[37315.713871] CR2: 0000000000000050 CR3: 0000002208810006 CR4: 00000000000606e0\n[37315.799267] Call Trace:\n[37315.828515] nvme_update_ns_info+0x1ac/0x250 [nvme_core]\n[37315.892075] nvme_validate_or_alloc_ns+0x2ff/0xa00 [nvme_core]\n[37315.961871] ? __blk_mq_free_request+0x6b/0x90\n[37316.015021] nvme_scan_work+0x151/0x240 [nvme_core]\n[37316.073371] process_one_work+0x1a7/0x360\n[37316.121318] ? create_worker+0x1a0/0x1a0\n[37316.168227] worker_thread+0x30/0x390\n[37316.212024] ? create_worker+0x1a0/0x1a0\n[37316.258939] kthread+0x10a/0x120\n[37316.297557] ? set_kthread_struct+0x50/0x50\n[37316.347590] ret_from_fork+0x35/0x40\n[37316.390360] Modules linked in: nvme_rdma nvme_tcp(X) nvme_fabrics nvme_core netconsole iscsi_tcp libiscsi_tcp dm_queue_length dm_service_time nf_conntrack_netlink br_netfilter bridge stp llc overlay nft_chain_nat ipt_MASQUERADE nf_nat xt_addrtype xt_CT nft_counter xt_state xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_comment xt_multiport nft_compat nf_tables libcrc32c nfnetlink dm_multipath tg3 rpcrdma sunrpc rdma_ucm ib_srpt ib_isert iscsi_target_mod target_core_mod ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm intel_rapl_msr iTCO_wdt iTCO_vendor_support dcdbas intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel ipmi_ssif kvm irqbypass crct10dif_pclmul crc32_pclmul mlx5_ib ghash_clmulni_intel ib_uverbs rapl intel_cstate intel_uncore ib_core ipmi_si joydev mei_me pcspkr ipmi_devintf mei lpc_ich wmi ipmi_msghandler acpi_power_meter ex\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:N - On hosts with NVMe/TCP or NVMe/RDMA multipath, a remote fabrics peer delivers AENs and Identify data that queue concurrent per-controller scan work into the vulnerable multipath list walk, so the attack path is over the network protocol.\nAC:L - The remote target controls AEN timing and namespace add/remove responses on every path, so it can reliably create both sides of the concurrent scan/remove race without depending on unrelated host state.\nPR:N - Once multipath fabrics sessions exist, the attacker needs no privileges on the vulnerable host; AENs and scan results come from the remote NVMe controller over the already-established admin queues.\nUI:N - No additional user action is required beyond a normal multipath NVMe fabrics deployment; the peer can trigger rescans and namespace teardown unilaterally.\nS:U - The UAF is confined to the host kernel\u2019s NVMe multipath objects and does not cross a separate security authority such as a VM or IOMMU boundary.\nC:H - The bug is an explicit use-after-free of struct nvme_ns on the siblings list, which can be leveraged for arbitrary kernel memory disclosure via reclaim/spray of the freed object.\nI:H - The same UAF provides a controllable freed kernel object that can be reused for arbitrary writes and control-flow hijacking in the host kernel.\nA:H - The race already produces kernel NULL-pointer oops/panic in nvme_mpath_revalidate_paths during concurrent scan work, and UAFs remain crashable even when not fully exploited."
}
]
}
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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}
],
"title": "nvme: fix SRCU protection of nvme_ns_head list",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2022-49003",
"datePublished": "2024-10-21T20:06:16.737Z",
"dateReserved": "2024-08-22T01:27:53.642Z",
"dateUpdated": "2026-08-05T08:53:24.890Z",
"state": "PUBLISHED"
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CVE-2024-50033 (GCVE-0-2024-50033)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
slip: make slhc_remember() more robust against malicious packets
syzbot found that slhc_remember() was missing checks against
malicious packets [1].
slhc_remember() only checked the size of the packet was at least 20,
which is not good enough.
We need to make sure the packet includes the IPv4 and TCP header
that are supposed to be carried.
Add iph and th pointers to make the code more readable.
[1]
BUG: KMSAN: uninit-value in slhc_remember+0x2e8/0x7b0 drivers/net/slip/slhc.c:666
slhc_remember+0x2e8/0x7b0 drivers/net/slip/slhc.c:666
ppp_receive_nonmp_frame+0xe45/0x35e0 drivers/net/ppp/ppp_generic.c:2455
ppp_receive_frame drivers/net/ppp/ppp_generic.c:2372 [inline]
ppp_do_recv+0x65f/0x40d0 drivers/net/ppp/ppp_generic.c:2212
ppp_input+0x7dc/0xe60 drivers/net/ppp/ppp_generic.c:2327
pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379
sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113
__release_sock+0x1da/0x330 net/core/sock.c:3072
release_sock+0x6b/0x250 net/core/sock.c:3626
pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903
sock_sendmsg_nosec net/socket.c:729 [inline]
__sock_sendmsg+0x30f/0x380 net/socket.c:744
____sys_sendmsg+0x903/0xb60 net/socket.c:2602
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656
__sys_sendmmsg+0x3c1/0x960 net/socket.c:2742
__do_sys_sendmmsg net/socket.c:2771 [inline]
__se_sys_sendmmsg net/socket.c:2768 [inline]
__x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768
x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Uninit was created at:
slab_post_alloc_hook mm/slub.c:4091 [inline]
slab_alloc_node mm/slub.c:4134 [inline]
kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4186
kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587
__alloc_skb+0x363/0x7b0 net/core/skbuff.c:678
alloc_skb include/linux/skbuff.h:1322 [inline]
sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732
pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867
sock_sendmsg_nosec net/socket.c:729 [inline]
__sock_sendmsg+0x30f/0x380 net/socket.c:744
____sys_sendmsg+0x903/0xb60 net/socket.c:2602
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656
__sys_sendmmsg+0x3c1/0x960 net/socket.c:2742
__do_sys_sendmmsg net/socket.c:2771 [inline]
__se_sys_sendmmsg net/socket.c:2768 [inline]
__x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768
x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
CPU: 0 UID: 0 PID: 5460 Comm: syz.2.33 Not tainted 6.12.0-rc2-syzkaller-00006-g87d6aab2389e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b5451d783ade99308dfccdf5ca284ed07affa4ff Version: b5451d783ade99308dfccdf5ca284ed07affa4ff Version: b5451d783ade99308dfccdf5ca284ed07affa4ff Version: b5451d783ade99308dfccdf5ca284ed07affa4ff Version: b5451d783ade99308dfccdf5ca284ed07affa4ff Version: b5451d783ade99308dfccdf5ca284ed07affa4ff Version: b5451d783ade99308dfccdf5ca284ed07affa4ff |
||
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"references": [
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{
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"cna": {
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"versions": [
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{
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"status": "unaffected",
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{
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"version": "6.12",
"versionType": "original_commit_for_fix"
}
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"versionStartIncluding": "3.2",
"vulnerable": true
},
{
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{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nslip: make slhc_remember() more robust against malicious packets\n\nsyzbot found that slhc_remember() was missing checks against\nmalicious packets [1].\n\nslhc_remember() only checked the size of the packet was at least 20,\nwhich is not good enough.\n\nWe need to make sure the packet includes the IPv4 and TCP header\nthat are supposed to be carried.\n\nAdd iph and th pointers to make the code more readable.\n\n[1]\n\nBUG: KMSAN: uninit-value in slhc_remember+0x2e8/0x7b0 drivers/net/slip/slhc.c:666\n slhc_remember+0x2e8/0x7b0 drivers/net/slip/slhc.c:666\n ppp_receive_nonmp_frame+0xe45/0x35e0 drivers/net/ppp/ppp_generic.c:2455\n ppp_receive_frame drivers/net/ppp/ppp_generic.c:2372 [inline]\n ppp_do_recv+0x65f/0x40d0 drivers/net/ppp/ppp_generic.c:2212\n ppp_input+0x7dc/0xe60 drivers/net/ppp/ppp_generic.c:2327\n pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379\n sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113\n __release_sock+0x1da/0x330 net/core/sock.c:3072\n release_sock+0x6b/0x250 net/core/sock.c:3626\n pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903\n sock_sendmsg_nosec net/socket.c:729 [inline]\n __sock_sendmsg+0x30f/0x380 net/socket.c:744\n ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\n __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\n __do_sys_sendmmsg net/socket.c:2771 [inline]\n __se_sys_sendmmsg net/socket.c:2768 [inline]\n __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\n x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nUninit was created at:\n slab_post_alloc_hook mm/slub.c:4091 [inline]\n slab_alloc_node mm/slub.c:4134 [inline]\n kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4186\n kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587\n __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678\n alloc_skb include/linux/skbuff.h:1322 [inline]\n sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732\n pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867\n sock_sendmsg_nosec net/socket.c:729 [inline]\n __sock_sendmsg+0x30f/0x380 net/socket.c:744\n ____sys_sendmsg+0x903/0xb60 net/socket.c:2602\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656\n __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742\n __do_sys_sendmmsg net/socket.c:2771 [inline]\n __se_sys_sendmmsg net/socket.c:2768 [inline]\n __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768\n x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nCPU: 0 UID: 0 PID: 5460 Comm: syz.2.33 Not tainted 6.12.0-rc2-syzkaller-00006-g87d6aab2389e #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:N - slhc_remember() is driven directly by received PPP frames via ppp_receive_nonmp_frame(), and ppp_input() is entered from pptp.c (PPP over GRE) and l2tp_ppp.c (PPP over L2TP/UDP), both of which are routable across the Internet, as well as PPPoE on the local segment. A remote PPP peer or an attacker injecting into an established PPTP/L2TP session delivers the malformed VJ-uncompressed frame with no local access.\nAC:L - The attacker fully controls the frame; setting ihl=15 with a 60-byte body makes the ip_fast_csum() gate trivially satisfiable since all checksummed bytes are attacker-supplied, and the OOB read succeeds deterministically regardless of heap contents. No race, no memory-layout precondition, and VJ compression is enabled by default in pppd.\nPR:N - The remote PPP peer needs no privileges or credentials on the target host \u2014 a rogue PPPoE access concentrator or PPTP/L2TP server is the peer by definition, and PPTP-GRE demultiplexing authenticates nothing beyond source address and call ID. Even the local syzbot path only requires ns_capable(CAP_NET_ADMIN), reachable by any unprivileged user via unshare -Urn.\nUI:N - Exploitation happens entirely through frames received on an already-established PPP link, which is normal operational state. No action by any user or administrator is needed at exploit time.\nS:U - The out-of-bounds access and its consequences are confined to the kernel\u0027s own memory and network stack, with no crossing into a different security authority such as a hypervisor or IOMMU boundary.\nC:H - Up to 60 bytes of uninitialized/stale kernel heap are read past the packet into cs_tcp and cs_tcpopt, and a follow-up VJ-compressed frame makes slhc_uncompress() rebuild that data into a well-formed IP packet with an attacker-chosen destination address, exfiltrating kernel memory to the attacker. The primitive is repeatable without limit, giving broad heap disclosure rather than a bounded few-byte leak.\nI:H - Uninitialized memory becomes cs_tcp.doff, which together with cs_ip.ihl drives hdrlen up to 120 in slhc_uncompress(); sl_bump() only reserves 80 bytes before that call, so the resulting memmove/memcpy writes past the kmalloc\u0027d sl-\u003erbuff, giving heap corruption. The corrupted decompression state also causes the kernel to inject attacker-shaped packets carrying heap contents into the local network stack.\nA:H - The out-of-bounds read plus the resulting oversized hdrlen leads to heap overwrite past sl-\u003erbuff on the SLIP path and to malformed reconstructed packets, and on hardened or KASAN/KMSAN-instrumented kernels the access itself triggers an immediate report and panic. The condition is remotely and repeatedly triggerable, so a persistent crash is achievable."
}
]
}
],
"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"url": "https://git.kernel.org/stable/c/ba6501ea06462d6404d57d5644cf2854db38e7d7"
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{
"url": "https://git.kernel.org/stable/c/36b054324d18e51cf466134e13b6fbe3c91f52af"
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{
"url": "https://git.kernel.org/stable/c/5e336384cc9b608e0551f99c3d87316ca3b0e51a"
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"url": "https://git.kernel.org/stable/c/7d3fce8cbe3a70a1c7c06c9b53696be5d5d8dd5c"
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"title": "slip: make slhc_remember() more robust against malicious packets",
"x_generator": {
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}
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},
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"assignerShortName": "Linux",
"cveId": "CVE-2024-50033",
"datePublished": "2024-10-21T19:39:35.127Z",
"dateReserved": "2024-10-21T12:17:06.069Z",
"dateUpdated": "2026-08-05T11:41:08.646Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-50046 (GCVE-0-2024-50046)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
On the node of an NFS client, some files saved in the mountpoint of the
NFS server were copied to another location of the same NFS server.
Accidentally, the nfs42_complete_copies() got a NULL-pointer dereference
crash with the following syslog:
[232064.838881] NFSv4: state recovery failed for open file nfs/pvc-12b5200d-cd0f-46a3-b9f0-af8f4fe0ef64.qcow2, error = -116
[232064.839360] NFSv4: state recovery failed for open file nfs/pvc-12b5200d-cd0f-46a3-b9f0-af8f4fe0ef64.qcow2, error = -116
[232066.588183] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000058
[232066.588586] Mem abort info:
[232066.588701] ESR = 0x0000000096000007
[232066.588862] EC = 0x25: DABT (current EL), IL = 32 bits
[232066.589084] SET = 0, FnV = 0
[232066.589216] EA = 0, S1PTW = 0
[232066.589340] FSC = 0x07: level 3 translation fault
[232066.589559] Data abort info:
[232066.589683] ISV = 0, ISS = 0x00000007
[232066.589842] CM = 0, WnR = 0
[232066.589967] user pgtable: 64k pages, 48-bit VAs, pgdp=00002000956ff400
[232066.590231] [0000000000000058] pgd=08001100ae100003, p4d=08001100ae100003, pud=08001100ae100003, pmd=08001100b3c00003, pte=0000000000000000
[232066.590757] Internal error: Oops: 96000007 [#1] SMP
[232066.590958] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache netfs ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm vhost_net vhost vhost_iotlb tap tun ipt_rpfilter xt_multiport ip_set_hash_ip ip_set_hash_net xfrm_interface xfrm6_tunnel tunnel4 tunnel6 esp4 ah4 wireguard libcurve25519_generic veth xt_addrtype xt_set nf_conntrack_netlink ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_bitmap_port ip_set_hash_ipport dummy ip_set ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs iptable_filter sch_ingress nfnetlink_cttimeout vport_gre ip_gre ip_tunnel gre vport_geneve geneve vport_vxlan vxlan ip6_udp_tunnel udp_tunnel openvswitch nf_conncount dm_round_robin dm_service_time dm_multipath xt_nat xt_MASQUERADE nft_chain_nat nf_nat xt_mark xt_conntrack xt_comment nft_compat nft_counter nf_tables nfnetlink ocfs2 ocfs2_nodemanager ocfs2_stackglue iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ipmi_ssif nbd overlay 8021q garp mrp bonding tls rfkill sunrpc ext4 mbcache jbd2
[232066.591052] vfat fat cas_cache cas_disk ses enclosure scsi_transport_sas sg acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler ip_tables vfio_pci vfio_pci_core vfio_virqfd vfio_iommu_type1 vfio dm_mirror dm_region_hash dm_log dm_mod nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 br_netfilter bridge stp llc fuse xfs libcrc32c ast drm_vram_helper qla2xxx drm_kms_helper syscopyarea crct10dif_ce sysfillrect ghash_ce sysimgblt sha2_ce fb_sys_fops cec sha256_arm64 sha1_ce drm_ttm_helper ttm nvme_fc igb sbsa_gwdt nvme_fabrics drm nvme_core i2c_algo_bit i40e scsi_transport_fc megaraid_sas aes_neon_bs
[232066.596953] CPU: 6 PID: 4124696 Comm: 10.253.166.125- Kdump: loaded Not tainted 5.15.131-9.cl9_ocfs2.aarch64 #1
[232066.597356] Hardware name: Great Wall .\x93\x8e...RF6260 V5/GWMSSE2GL1T, BIOS T656FBE_V3.0.18 2024-01-06
[232066.597721] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[232066.598034] pc : nfs4_reclaim_open_state+0x220/0x800 [nfsv4]
[232066.598327] lr : nfs4_reclaim_open_state+0x12c/0x800 [nfsv4]
[232066.598595] sp : ffff8000f568fc70
[232066.598731] x29: ffff8000f568fc70 x28: 0000000000001000 x27: ffff21003db33000
[232066.599030] x26: ffff800005521ae0 x25: ffff0100f98fa3f0 x24: 0000000000000001
[232066.599319] x23: ffff800009920008 x22: ffff21003db33040 x21: ffff21003db33050
[232066.599628] x20: ffff410172fe9e40 x19: ffff410172fe9e00 x18: 0000000000000000
[232066.599914] x17: 0000000000000000 x16: 0000000000000004 x15: 0000000000000000
[232066.600195] x14: 0000000000000000 x13: ffff800008e685a8 x12: 00000000eac0c6e6
[232066.600498] x11: 00000000000000
---truncated---
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0e65a32c8a569db363048e17a708b1a0913adbef Version: 0e65a32c8a569db363048e17a708b1a0913adbef Version: 0e65a32c8a569db363048e17a708b1a0913adbef Version: 0e65a32c8a569db363048e17a708b1a0913adbef Version: 0e65a32c8a569db363048e17a708b1a0913adbef Version: 0e65a32c8a569db363048e17a708b1a0913adbef |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()\n\nOn the node of an NFS client, some files saved in the mountpoint of the\nNFS server were copied to another location of the same NFS server.\nAccidentally, the nfs42_complete_copies() got a NULL-pointer dereference\ncrash with the following syslog:\n\n[232064.838881] NFSv4: state recovery failed for open file nfs/pvc-12b5200d-cd0f-46a3-b9f0-af8f4fe0ef64.qcow2, error = -116\n[232064.839360] NFSv4: state recovery failed for open file nfs/pvc-12b5200d-cd0f-46a3-b9f0-af8f4fe0ef64.qcow2, error = -116\n[232066.588183] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000058\n[232066.588586] Mem abort info:\n[232066.588701] ESR = 0x0000000096000007\n[232066.588862] EC = 0x25: DABT (current EL), IL = 32 bits\n[232066.589084] SET = 0, FnV = 0\n[232066.589216] EA = 0, S1PTW = 0\n[232066.589340] FSC = 0x07: level 3 translation fault\n[232066.589559] Data abort info:\n[232066.589683] ISV = 0, ISS = 0x00000007\n[232066.589842] CM = 0, WnR = 0\n[232066.589967] user pgtable: 64k pages, 48-bit VAs, pgdp=00002000956ff400\n[232066.590231] [0000000000000058] pgd=08001100ae100003, p4d=08001100ae100003, pud=08001100ae100003, pmd=08001100b3c00003, pte=0000000000000000\n[232066.590757] Internal error: Oops: 96000007 [#1] SMP\n[232066.590958] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache netfs ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm vhost_net vhost vhost_iotlb tap tun ipt_rpfilter xt_multiport ip_set_hash_ip ip_set_hash_net xfrm_interface xfrm6_tunnel tunnel4 tunnel6 esp4 ah4 wireguard libcurve25519_generic veth xt_addrtype xt_set nf_conntrack_netlink ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_bitmap_port ip_set_hash_ipport dummy ip_set ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs iptable_filter sch_ingress nfnetlink_cttimeout vport_gre ip_gre ip_tunnel gre vport_geneve geneve vport_vxlan vxlan ip6_udp_tunnel udp_tunnel openvswitch nf_conncount dm_round_robin dm_service_time dm_multipath xt_nat xt_MASQUERADE nft_chain_nat nf_nat xt_mark xt_conntrack xt_comment nft_compat nft_counter nf_tables nfnetlink ocfs2 ocfs2_nodemanager ocfs2_stackglue iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ipmi_ssif nbd overlay 8021q garp mrp bonding tls rfkill sunrpc ext4 mbcache jbd2\n[232066.591052] vfat fat cas_cache cas_disk ses enclosure scsi_transport_sas sg acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler ip_tables vfio_pci vfio_pci_core vfio_virqfd vfio_iommu_type1 vfio dm_mirror dm_region_hash dm_log dm_mod nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 br_netfilter bridge stp llc fuse xfs libcrc32c ast drm_vram_helper qla2xxx drm_kms_helper syscopyarea crct10dif_ce sysfillrect ghash_ce sysimgblt sha2_ce fb_sys_fops cec sha256_arm64 sha1_ce drm_ttm_helper ttm nvme_fc igb sbsa_gwdt nvme_fabrics drm nvme_core i2c_algo_bit i40e scsi_transport_fc megaraid_sas aes_neon_bs\n[232066.596953] CPU: 6 PID: 4124696 Comm: 10.253.166.125- Kdump: loaded Not tainted 5.15.131-9.cl9_ocfs2.aarch64 #1\n[232066.597356] Hardware name: Great Wall .\\x93\\x8e...RF6260 V5/GWMSSE2GL1T, BIOS T656FBE_V3.0.18 2024-01-06\n[232066.597721] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[232066.598034] pc : nfs4_reclaim_open_state+0x220/0x800 [nfsv4]\n[232066.598327] lr : nfs4_reclaim_open_state+0x12c/0x800 [nfsv4]\n[232066.598595] sp : ffff8000f568fc70\n[232066.598731] x29: ffff8000f568fc70 x28: 0000000000001000 x27: ffff21003db33000\n[232066.599030] x26: ffff800005521ae0 x25: ffff0100f98fa3f0 x24: 0000000000000001\n[232066.599319] x23: ffff800009920008 x22: ffff21003db33040 x21: ffff21003db33050\n[232066.599628] x20: ffff410172fe9e40 x19: ffff410172fe9e00 x18: 0000000000000000\n[232066.599914] x17: 0000000000000000 x16: 0000000000000004 x15: 0000000000000000\n[232066.600195] x14: 0000000000000000 x13: ffff800008e685a8 x12: 00000000eac0c6e6\n[232066.600498] x11: 00000000000000\n---truncated---"
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"value": "AV:N - The type-confused dereference executes in the NFS client\u0027s state-manager and CB_OFFLOAD callback paths, both driven entirely by remote NFS server RPCs \u2014 the server chooses when to force state recovery (STALE_CLIENTID/BAD_SESSION/EXPIRED or a reboot) and supplies the `wr_count`/write-verifier bytes that land in the misinterpreted fields. A malicious, compromised, or on-path (auth_sys, no krb5i/p) NFS server reaches this purely over the network.\nAC:L - The attacker controls both preconditions \u2014 withholding CB_OFFLOAD keeps async inter-mount copies pending indefinitely, and returning a stale-clientid/expired error forces reclaim on demand \u2014 with no unwinnable race and no memory layout the attacker cannot influence. The condition is common enough that the reporter hit it accidentally during ordinary `cp` workload.\nPR:N - The remote NFS server (or MITM) holds no credentials or privileges on the victim client, and the copy_file_range that arms the list is routine unprivileged workload rather than a privileged operation. No local account on the client is needed.\nUI:N - copy_file_range across NFS mounts is ordinary background activity on any NFS client (coreutils `cp` issues it automatically), and an unprivileged local user can issue it themselves; no distinct victim action is required at exploit time.\nS:U - The corruption and the crash are confined to kernel memory within the same security authority \u2014 no hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - `copy-\u003eparent_dst_state` is read at `real+144`, past the end of the 136-byte object into non-zeroed slab slack, and then dereferenced as a `struct nfs4_state *`; with standard kmalloc-192 grooming this becomes an attacker-chosen arbitrary-address read, and the shifted accesses also expose live object fields.\nI:H - This is a container_of type confusion with write effects: `copy-\u003eflags = 1` overwrites a live object\u0027s `parent_dst_state` pointer, and `complete()` on the skewed completion performs `list_del_init()` on `count`/`verf.verifier` \u2014 64-bit values written directly from the server\u0027s CB_OFFLOAD reply \u2014 giving a classic remote-fed unlink write primitive.\nA:H - A confirmed kernel oops in the `nfs4_state_manager` kthread is in the commit\u0027s own crash log, and the misaligned `raw_spin_lock_irqsave` on a never-zero word spins forever with IRQs disabled while holding `clp-\u003ecl_lock`, hanging the client."
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CVE-2023-52920 (GCVE-0-2023-52920)
Vulnerability from cvelistv5
Published
2024-11-05 10:09
Modified
2026-08-05 09:12
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: support non-r10 register spill/fill to/from stack in precision tracking
Use instruction (jump) history to record instructions that performed
register spill/fill to/from stack, regardless if this was done through
read-only r10 register, or any other register after copying r10 into it
*and* potentially adjusting offset.
To make this work reliably, we push extra per-instruction flags into
instruction history, encoding stack slot index (spi) and stack frame
number in extra 10 bit flags we take away from prev_idx in instruction
history. We don't touch idx field for maximum performance, as it's
checked most frequently during backtracking.
This change removes basically the last remaining practical limitation of
precision backtracking logic in BPF verifier. It fixes known
deficiencies, but also opens up new opportunities to reduce number of
verified states, explored in the subsequent patches.
There are only three differences in selftests' BPF object files
according to veristat, all in the positive direction (less states).
File Program Insns (A) Insns (B) Insns (DIFF) States (A) States (B) States (DIFF)
-------------------------------------- ------------- --------- --------- ------------- ---------- ---------- -------------
test_cls_redirect_dynptr.bpf.linked3.o cls_redirect 2987 2864 -123 (-4.12%) 240 231 -9 (-3.75%)
xdp_synproxy_kern.bpf.linked3.o syncookie_tc 82848 82661 -187 (-0.23%) 5107 5073 -34 (-0.67%)
xdp_synproxy_kern.bpf.linked3.o syncookie_xdp 85116 84964 -152 (-0.18%) 5162 5130 -32 (-0.62%)
Note, I avoided renaming jmp_history to more generic insn_hist to
minimize number of lines changed and potential merge conflicts between
bpf and bpf-next trees.
Notice also cur_hist_entry pointer reset to NULL at the beginning of
instruction verification loop. This pointer avoids the problem of
relying on last jump history entry's insn_idx to determine whether we
already have entry for current instruction or not. It can happen that we
added jump history entry because current instruction is_jmp_point(), but
also we need to add instruction flags for stack access. In this case, we
don't want to entries, so we need to reuse last added entry, if it is
present.
Relying on insn_idx comparison has the same ambiguity problem as the one
that was fixed recently in [0], so we avoid that.
[0] https://patchwork.kernel.org/project/netdevbpf/patch/20231110002638.4168352-3-andrii@kernel.org/
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-53093 (GCVE-0-2024-53093)
Vulnerability from cvelistv5
Published
2024-11-21 18:17
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme-multipath: defer partition scanning
We need to suppress the partition scan from occuring within the
controller's scan_work context. If a path error occurs here, the IO will
wait until a path becomes available or all paths are torn down, but that
action also occurs within scan_work, so it would deadlock. Defer the
partion scan to a different context that does not block scan_work.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47692 (GCVE-0-2024-47692)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfsd: return -EINVAL when namelen is 0
When we have a corrupted main.sqlite in /var/lib/nfs/nfsdcld/, it may
result in namelen being 0, which will cause memdup_user() to return
ZERO_SIZE_PTR.
When we access the name.data that has been assigned the value of
ZERO_SIZE_PTR in nfs4_client_to_reclaim(), null pointer dereference is
triggered.
[ T1205] ==================================================================
[ T1205] BUG: KASAN: null-ptr-deref in nfs4_client_to_reclaim+0xe9/0x260
[ T1205] Read of size 1 at addr 0000000000000010 by task nfsdcld/1205
[ T1205]
[ T1205] CPU: 11 PID: 1205 Comm: nfsdcld Not tainted 5.10.0-00003-g2c1423731b8d #406
[ T1205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014
[ T1205] Call Trace:
[ T1205] dump_stack+0x9a/0xd0
[ T1205] ? nfs4_client_to_reclaim+0xe9/0x260
[ T1205] __kasan_report.cold+0x34/0x84
[ T1205] ? nfs4_client_to_reclaim+0xe9/0x260
[ T1205] kasan_report+0x3a/0x50
[ T1205] nfs4_client_to_reclaim+0xe9/0x260
[ T1205] ? nfsd4_release_lockowner+0x410/0x410
[ T1205] cld_pipe_downcall+0x5ca/0x760
[ T1205] ? nfsd4_cld_tracking_exit+0x1d0/0x1d0
[ T1205] ? down_write_killable_nested+0x170/0x170
[ T1205] ? avc_policy_seqno+0x28/0x40
[ T1205] ? selinux_file_permission+0x1b4/0x1e0
[ T1205] rpc_pipe_write+0x84/0xb0
[ T1205] vfs_write+0x143/0x520
[ T1205] ksys_write+0xc9/0x170
[ T1205] ? __ia32_sys_read+0x50/0x50
[ T1205] ? ktime_get_coarse_real_ts64+0xfe/0x110
[ T1205] ? ktime_get_coarse_real_ts64+0xa2/0x110
[ T1205] do_syscall_64+0x33/0x40
[ T1205] entry_SYSCALL_64_after_hwframe+0x67/0xd1
[ T1205] RIP: 0033:0x7fdbdb761bc7
[ T1205] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 514
[ T1205] RSP: 002b:00007fff8c4b7248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ T1205] RAX: ffffffffffffffda RBX: 000000000000042b RCX: 00007fdbdb761bc7
[ T1205] RDX: 000000000000042b RSI: 00007fff8c4b75f0 RDI: 0000000000000008
[ T1205] RBP: 00007fdbdb761bb0 R08: 0000000000000000 R09: 0000000000000001
[ T1205] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000042b
[ T1205] R13: 0000000000000008 R14: 00007fff8c4b75f0 R15: 0000000000000000
[ T1205] ==================================================================
Fix it by checking namelen.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 74725959c33c14114fdce1e36e3504d106584d53 Version: 74725959c33c14114fdce1e36e3504d106584d53 Version: 74725959c33c14114fdce1e36e3504d106584d53 Version: 74725959c33c14114fdce1e36e3504d106584d53 Version: 74725959c33c14114fdce1e36e3504d106584d53 Version: 74725959c33c14114fdce1e36e3504d106584d53 Version: 74725959c33c14114fdce1e36e3504d106584d53 Version: 74725959c33c14114fdce1e36e3504d106584d53 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: return -EINVAL when namelen is 0\n\nWhen we have a corrupted main.sqlite in /var/lib/nfs/nfsdcld/, it may\nresult in namelen being 0, which will cause memdup_user() to return\nZERO_SIZE_PTR.\nWhen we access the name.data that has been assigned the value of\nZERO_SIZE_PTR in nfs4_client_to_reclaim(), null pointer dereference is\ntriggered.\n\n[ T1205] ==================================================================\n[ T1205] BUG: KASAN: null-ptr-deref in nfs4_client_to_reclaim+0xe9/0x260\n[ T1205] Read of size 1 at addr 0000000000000010 by task nfsdcld/1205\n[ T1205]\n[ T1205] CPU: 11 PID: 1205 Comm: nfsdcld Not tainted 5.10.0-00003-g2c1423731b8d #406\n[ T1205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014\n[ T1205] Call Trace:\n[ T1205] dump_stack+0x9a/0xd0\n[ T1205] ? nfs4_client_to_reclaim+0xe9/0x260\n[ T1205] __kasan_report.cold+0x34/0x84\n[ T1205] ? nfs4_client_to_reclaim+0xe9/0x260\n[ T1205] kasan_report+0x3a/0x50\n[ T1205] nfs4_client_to_reclaim+0xe9/0x260\n[ T1205] ? nfsd4_release_lockowner+0x410/0x410\n[ T1205] cld_pipe_downcall+0x5ca/0x760\n[ T1205] ? nfsd4_cld_tracking_exit+0x1d0/0x1d0\n[ T1205] ? down_write_killable_nested+0x170/0x170\n[ T1205] ? avc_policy_seqno+0x28/0x40\n[ T1205] ? selinux_file_permission+0x1b4/0x1e0\n[ T1205] rpc_pipe_write+0x84/0xb0\n[ T1205] vfs_write+0x143/0x520\n[ T1205] ksys_write+0xc9/0x170\n[ T1205] ? __ia32_sys_read+0x50/0x50\n[ T1205] ? ktime_get_coarse_real_ts64+0xfe/0x110\n[ T1205] ? ktime_get_coarse_real_ts64+0xa2/0x110\n[ T1205] do_syscall_64+0x33/0x40\n[ T1205] entry_SYSCALL_64_after_hwframe+0x67/0xd1\n[ T1205] RIP: 0033:0x7fdbdb761bc7\n[ T1205] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 514\n[ T1205] RSP: 002b:00007fff8c4b7248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\n[ T1205] RAX: ffffffffffffffda RBX: 000000000000042b RCX: 00007fdbdb761bc7\n[ T1205] RDX: 000000000000042b RSI: 00007fff8c4b75f0 RDI: 0000000000000008\n[ T1205] RBP: 00007fdbdb761bb0 R08: 0000000000000000 R09: 0000000000000001\n[ T1205] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000042b\n[ T1205] R13: 0000000000000008 R14: 00007fff8c4b75f0 R15: 0000000000000000\n[ T1205] ==================================================================\n\nFix it by checking namelen."
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CVE-2024-50025 (GCVE-0-2024-50025)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: fnic: Move flush_work initialization out of if block
After commit 379a58caa199 ("scsi: fnic: Move fnic_fnic_flush_tx() to a
work queue"), it can happen that a work item is sent to an uninitialized
work queue. This may has the effect that the item being queued is never
actually queued, and any further actions depending on it will not
proceed.
The following warning is observed while the fnic driver is loaded:
kernel: WARNING: CPU: 11 PID: 0 at ../kernel/workqueue.c:1524 __queue_work+0x373/0x410
kernel: <IRQ>
kernel: queue_work_on+0x3a/0x50
kernel: fnic_wq_copy_cmpl_handler+0x54a/0x730 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24]
kernel: fnic_isr_msix_wq_copy+0x2d/0x60 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24]
kernel: __handle_irq_event_percpu+0x36/0x1a0
kernel: handle_irq_event_percpu+0x30/0x70
kernel: handle_irq_event+0x34/0x60
kernel: handle_edge_irq+0x7e/0x1a0
kernel: __common_interrupt+0x3b/0xb0
kernel: common_interrupt+0x58/0xa0
kernel: </IRQ>
It has been observed that this may break the rediscovery of Fibre
Channel devices after a temporary fabric failure.
This patch fixes it by moving the work queue initialization out of
an if block in fnic_probe().
References
Impacted products
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CVE-2022-48946 (GCVE-0-2022-48946)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
udf: Fix preallocation discarding at indirect extent boundary
When preallocation extent is the first one in the extent block, the
code would corrupt extent tree header instead. Fix the problem and use
udf_delete_aext() for deleting extent to avoid some code duplication.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2024-50257 (GCVE-0-2024-50257)
Vulnerability from cvelistv5
Published
2024-11-09 10:15
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: Fix use-after-free in get_info()
ip6table_nat module unload has refcnt warning for UAF. call trace is:
WARNING: CPU: 1 PID: 379 at kernel/module/main.c:853 module_put+0x6f/0x80
Modules linked in: ip6table_nat(-)
CPU: 1 UID: 0 PID: 379 Comm: ip6tables Not tainted 6.12.0-rc4-00047-gc2ee9f594da8-dirty #205
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
RIP: 0010:module_put+0x6f/0x80
Call Trace:
<TASK>
get_info+0x128/0x180
do_ip6t_get_ctl+0x6a/0x430
nf_getsockopt+0x46/0x80
ipv6_getsockopt+0xb9/0x100
rawv6_getsockopt+0x42/0x190
do_sock_getsockopt+0xaa/0x180
__sys_getsockopt+0x70/0xc0
__x64_sys_getsockopt+0x20/0x30
do_syscall_64+0xa2/0x1a0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Concurrent execution of module unload and get_info() trigered the warning.
The root cause is as follows:
cpu0 cpu1
module_exit
//mod->state = MODULE_STATE_GOING
ip6table_nat_exit
xt_unregister_template
kfree(t)
//removed from templ_list
getinfo()
t = xt_find_table_lock
list_for_each_entry(tmpl, &xt_templates[af]...)
if (strcmp(tmpl->name, name))
continue; //table not found
try_module_get
list_for_each_entry(t, &xt_net->tables[af]...)
return t; //not get refcnt
module_put(t->me) //uaf
unregister_pernet_subsys
//remove table from xt_net list
While xt_table module was going away and has been removed from
xt_templates list, we couldnt get refcnt of xt_table->me. Check
module in xt_net->tables list re-traversal to fix it.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50159 (GCVE-0-2024-50159)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup()
Clang static checker(scan-build) throws below warning：
| drivers/firmware/arm_scmi/driver.c:line 2915, column 2
| Attempt to free released memory.
When devm_add_action_or_reset() fails, scmi_debugfs_common_cleanup()
will run twice which causes double free of 'dbg->name'.
Remove the redundant scmi_debugfs_common_cleanup() to fix this problem.
References
Impacted products
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CVE-2024-47712 (GCVE-0-2024-47712)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param
In the `wilc_parse_join_bss_param` function, the TSF field of the `ies`
structure is accessed after the RCU read-side critical section is
unlocked. According to RCU usage rules, this is illegal. Reusing this
pointer can lead to unpredictable behavior, including accessing memory
that has been updated or causing use-after-free issues.
This possible bug was identified using a static analysis tool developed
by myself, specifically designed to detect RCU-related issues.
To address this, the TSF value is now stored in a local variable
`ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is
then assigned using this local variable, ensuring that the TSF value is
safely accessed.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e556006de4ea93abe2b46cba202a2556c544b8b2 Version: b4bbf38c350acb6500cbe667b1e2e68f896e4b38 Version: d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2 Version: 745003b5917b610352f52fe0d11ef658d6471ec2 Version: 4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce Version: 205c50306acf58a335eb19fa84e40140f4fe814f Version: 205c50306acf58a335eb19fa84e40140f4fe814f Version: 205c50306acf58a335eb19fa84e40140f4fe814f Version: 5800ec78775c0cd646f71eb9bf8402fb794807de Version: dd50d3ead6e3707bb0a5df7cc832730c93ace3a7 Version: 5.4.273 ≤ Version: 5.10.214 ≤ Version: 5.15.153 ≤ Version: 6.1.83 ≤ Version: 6.6.23 ≤ Version: 6.7.11 ≤ Version: 6.8.2 ≤ |
||
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CVE-2024-49858 (GCVE-0-2024-49858)
Vulnerability from cvelistv5
Published
2024-10-21 12:27
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
efistub/tpm: Use ACPI reclaim memory for event log to avoid corruption
The TPM event log table is a Linux specific construct, where the data
produced by the GetEventLog() boot service is cached in memory, and
passed on to the OS using an EFI configuration table.
The use of EFI_LOADER_DATA here results in the region being left
unreserved in the E820 memory map constructed by the EFI stub, and this
is the memory description that is passed on to the incoming kernel by
kexec, which is therefore unaware that the region should be reserved.
Even though the utility of the TPM2 event log after a kexec is
questionable, any corruption might send the parsing code off into the
weeds and crash the kernel. So let's use EFI_ACPI_RECLAIM_MEMORY
instead, which is always treated as reserved by the E820 conversion
logic.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 33b6d03469b2206fb51ecc37f40411a857ad8fff Version: 33b6d03469b2206fb51ecc37f40411a857ad8fff Version: 33b6d03469b2206fb51ecc37f40411a857ad8fff Version: 33b6d03469b2206fb51ecc37f40411a857ad8fff Version: 33b6d03469b2206fb51ecc37f40411a857ad8fff Version: 33b6d03469b2206fb51ecc37f40411a857ad8fff Version: 33b6d03469b2206fb51ecc37f40411a857ad8fff |
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CVE-2024-38577 (GCVE-0-2024-38577)
Vulnerability from cvelistv5
Published
2024-06-19 13:37
Modified
2026-08-05 11:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
rcu-tasks: Fix show_rcu_tasks_trace_gp_kthread buffer overflow
There is a possibility of buffer overflow in
show_rcu_tasks_trace_gp_kthread() if counters, passed
to sprintf() are huge. Counter numbers, needed for this
are unrealistically high, but buffer overflow is still
possible.
Use snprintf() with buffer size instead of sprintf().
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: edf3775f0ad66879796f594983163f672c4bf1a2 Version: edf3775f0ad66879796f594983163f672c4bf1a2 Version: edf3775f0ad66879796f594983163f672c4bf1a2 Version: edf3775f0ad66879796f594983163f672c4bf1a2 Version: edf3775f0ad66879796f594983163f672c4bf1a2 Version: edf3775f0ad66879796f594983163f672c4bf1a2 Version: edf3775f0ad66879796f594983163f672c4bf1a2 |
||
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CVE-2024-46681 (GCVE-0-2024-46681)
Vulnerability from cvelistv5
Published
2024-09-13 05:29
Modified
2026-05-11 20:34
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
pktgen: use cpus_read_lock() in pg_net_init()
I have seen the WARN_ON(smp_processor_id() != cpu) firing
in pktgen_thread_worker() during tests.
We must use cpus_read_lock()/cpus_read_unlock()
around the for_each_online_cpu(cpu) loop.
While we are at it use WARN_ON_ONCE() to avoid a possible syslog flood.
References
Impacted products
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CVE-2022-49022 (GCVE-0-2022-49022)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration
Fix possible out-of-bound access in ieee80211_get_rate_duration routine
as reported by the following UBSAN report:
UBSAN: array-index-out-of-bounds in net/mac80211/airtime.c:455:47
index 15 is out of range for type 'u16 [12]'
CPU: 2 PID: 217 Comm: kworker/u32:10 Not tainted 6.1.0-060100rc3-generic
Hardware name: Acer Aspire TC-281/Aspire TC-281, BIOS R01-A2 07/18/2017
Workqueue: mt76 mt76u_tx_status_data [mt76_usb]
Call Trace:
<TASK>
show_stack+0x4e/0x61
dump_stack_lvl+0x4a/0x6f
dump_stack+0x10/0x18
ubsan_epilogue+0x9/0x43
__ubsan_handle_out_of_bounds.cold+0x42/0x47
ieee80211_get_rate_duration.constprop.0+0x22f/0x2a0 [mac80211]
? ieee80211_tx_status_ext+0x32e/0x640 [mac80211]
ieee80211_calc_rx_airtime+0xda/0x120 [mac80211]
ieee80211_calc_tx_airtime+0xb4/0x100 [mac80211]
mt76x02_send_tx_status+0x266/0x480 [mt76x02_lib]
mt76x02_tx_status_data+0x52/0x80 [mt76x02_lib]
mt76u_tx_status_data+0x67/0xd0 [mt76_usb]
process_one_work+0x225/0x400
worker_thread+0x50/0x3e0
? process_one_work+0x400/0x400
kthread+0xe9/0x110
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x22/0x30
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2021-47416 (GCVE-0-2021-47416)
Vulnerability from cvelistv5
Published
2024-05-21 15:04
Modified
2026-05-11 13:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
phy: mdio: fix memory leak
Syzbot reported memory leak in MDIO bus interface, the problem was in
wrong state logic.
MDIOBUS_ALLOCATED indicates 2 states:
1. Bus is only allocated
2. Bus allocated and __mdiobus_register() fails, but
device_register() was called
In case of device_register() has been called we should call put_device()
to correctly free the memory allocated for this device, but mdiobus_free()
calls just kfree(dev) in case of MDIOBUS_ALLOCATED state
To avoid this behaviour we need to set bus->state to MDIOBUS_UNREGISTERED
_before_ calling device_register(), because put_device() should be
called even in case of device_register() failure.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 46abc02175b3c246dd5141d878f565a8725060c9 Version: 46abc02175b3c246dd5141d878f565a8725060c9 Version: 46abc02175b3c246dd5141d878f565a8725060c9 Version: 46abc02175b3c246dd5141d878f565a8725060c9 Version: 46abc02175b3c246dd5141d878f565a8725060c9 Version: 46abc02175b3c246dd5141d878f565a8725060c9 Version: 46abc02175b3c246dd5141d878f565a8725060c9 Version: 46abc02175b3c246dd5141d878f565a8725060c9 |
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CVE-2024-42131 (GCVE-0-2024-42131)
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2026-05-11 20:27
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: avoid overflows in dirty throttling logic
The dirty throttling logic is interspersed with assumptions that dirty
limits in PAGE_SIZE units fit into 32-bit (so that various multiplications
fit into 64-bits). If limits end up being larger, we will hit overflows,
possible divisions by 0 etc. Fix these problems by never allowing so
large dirty limits as they have dubious practical value anyway. For
dirty_bytes / dirty_background_bytes interfaces we can just refuse to set
so large limits. For dirty_ratio / dirty_background_ratio it isn't so
simple as the dirty limit is computed from the amount of available memory
which can change due to memory hotplug etc. So when converting dirty
limits from ratios to numbers of pages, we just don't allow the result to
exceed UINT_MAX.
This is root-only triggerable problem which occurs when the operator
sets dirty limits to >16 TB.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2da02997e08d3efe8174c7a47696e6f7cbe69ba9 Version: 2da02997e08d3efe8174c7a47696e6f7cbe69ba9 Version: 2da02997e08d3efe8174c7a47696e6f7cbe69ba9 Version: 2da02997e08d3efe8174c7a47696e6f7cbe69ba9 Version: 2da02997e08d3efe8174c7a47696e6f7cbe69ba9 Version: 2da02997e08d3efe8174c7a47696e6f7cbe69ba9 Version: 2da02997e08d3efe8174c7a47696e6f7cbe69ba9 Version: 2da02997e08d3efe8174c7a47696e6f7cbe69ba9 |
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CVE-2024-46826 (GCVE-0-2024-46826)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ELF: fix kernel.randomize_va_space double read
ELF loader uses "randomize_va_space" twice. It is sysctl and can change
at any moment, so 2 loads could see 2 different values in theory with
unpredictable consequences.
Issue exactly one load for consistent value across one exec.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49922 (GCVE-0-2024-49922)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check null pointers before using them
[WHAT & HOW]
These pointers are null checked previously in the same function,
indicating they might be null as reported by Coverity. As a result,
they need to be checked when used again.
This fixes 3 FORWARD_NULL issue reported by Coverity.
References
Impacted products
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"cveId": "CVE-2024-49922",
"datePublished": "2024-10-21T18:01:47.751Z",
"dateReserved": "2024-10-21T12:17:06.035Z",
"dateUpdated": "2026-05-11T20:41:52.674Z",
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CVE-2024-50084 (GCVE-0-2024-50084)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test()
Commit a3c1e45156ad ("net: microchip: vcap: Fix use-after-free error in
kunit test") fixed the use-after-free error, but introduced below
memory leaks by removing necessary vcap_free_rule(), add it to fix it.
unreferenced object 0xffffff80ca58b700 (size 192):
comm "kunit_try_catch", pid 1215, jiffies 4294898264
hex dump (first 32 bytes):
00 12 7a 00 05 00 00 00 0a 00 00 00 64 00 00 00 ..z.........d...
00 00 00 00 00 00 00 00 00 04 0b cc 80 ff ff ff ................
backtrace (crc 9c09c3fe):
[<0000000052a0be73>] kmemleak_alloc+0x34/0x40
[<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4
[<0000000040a01b8d>] vcap_alloc_rule+0x3cc/0x9c4
[<000000003fe86110>] vcap_api_encode_rule_test+0x1ac/0x16b0
[<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac
[<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<00000000c5d82c9a>] kthread+0x2e8/0x374
[<00000000f4287308>] ret_from_fork+0x10/0x20
unreferenced object 0xffffff80cc0b0400 (size 64):
comm "kunit_try_catch", pid 1215, jiffies 4294898265
hex dump (first 32 bytes):
80 04 0b cc 80 ff ff ff 18 b7 58 ca 80 ff ff ff ..........X.....
39 00 00 00 02 00 00 00 06 05 04 03 02 01 ff ff 9...............
backtrace (crc daf014e9):
[<0000000052a0be73>] kmemleak_alloc+0x34/0x40
[<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4
[<000000000ff63fd4>] vcap_rule_add_key+0x2cc/0x528
[<00000000dfdb1e81>] vcap_api_encode_rule_test+0x224/0x16b0
[<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac
[<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<00000000c5d82c9a>] kthread+0x2e8/0x374
[<00000000f4287308>] ret_from_fork+0x10/0x20
unreferenced object 0xffffff80cc0b0700 (size 64):
comm "kunit_try_catch", pid 1215, jiffies 4294898265
hex dump (first 32 bytes):
80 07 0b cc 80 ff ff ff 28 b7 58 ca 80 ff ff ff ........(.X.....
3c 00 00 00 00 00 00 00 01 2f 03 b3 ec ff ff ff <......../......
backtrace (crc 8d877792):
[<0000000052a0be73>] kmemleak_alloc+0x34/0x40
[<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4
[<000000006eadfab7>] vcap_rule_add_action+0x2d0/0x52c
[<00000000323475d1>] vcap_api_encode_rule_test+0x4d4/0x16b0
[<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac
[<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<00000000c5d82c9a>] kthread+0x2e8/0x374
[<00000000f4287308>] ret_from_fork+0x10/0x20
unreferenced object 0xffffff80cc0b0900 (size 64):
comm "kunit_try_catch", pid 1215, jiffies 4294898266
hex dump (first 32 bytes):
80 09 0b cc 80 ff ff ff 80 06 0b cc 80 ff ff ff ................
7d 00 00 00 01 00 00 00 00 00 00 00 ff 00 00 00 }...............
backtrace (crc 34181e56):
[<0000000052a0be73>] kmemleak_alloc+0x34/0x40
[<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4
[<000000000ff63fd4>] vcap_rule_add_key+0x2cc/0x528
[<00000000991e3564>] vcap_val_rule+0xcf0/0x13e8
[<00000000fc9868e5>] vcap_api_encode_rule_test+0x678/0x16b0
[<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac
[<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<00000000c5d82c9a>] kthread+0x2e8/0x374
[<00000000f4287308>] ret_from_fork+0x10/0x20
unreferenced object 0xffffff80cc0b0980 (size 64):
comm "kunit_try_catch", pid 1215, jiffies 4294898266
hex dump (first 32 bytes):
18 b7 58 ca 80 ff ff ff 00 09 0b cc 80 ff ff ff ..X.............
67 00 00 00 00 00 00 00 01 01 74 88 c0 ff ff ff g.........t.....
backtrace (crc 275fd9be):
[<0000000052a0be73>] kmemleak_alloc+0x34/0x40
[<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4
[<000000000ff63fd4>] vcap_rule_add_key+0x2cc/0x528
[<000000001396a1a2>] test_add_de
---truncated---
References
Impacted products
{
"containers": {
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{
"metrics": [
{
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"options": [
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{
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{
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}
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"description": "CWE-416 Use After Free",
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"title": "CISA ADP Vulnrichment"
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{
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test()\n\nCommit a3c1e45156ad (\"net: microchip: vcap: Fix use-after-free error in\nkunit test\") fixed the use-after-free error, but introduced below\nmemory leaks by removing necessary vcap_free_rule(), add it to fix it.\n\n\tunreferenced object 0xffffff80ca58b700 (size 192):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898264\n\t hex dump (first 32 bytes):\n\t 00 12 7a 00 05 00 00 00 0a 00 00 00 64 00 00 00 ..z.........d...\n\t 00 00 00 00 00 00 00 00 00 04 0b cc 80 ff ff ff ................\n\t backtrace (crc 9c09c3fe):\n\t [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [\u003c0000000040a01b8d\u003e] vcap_alloc_rule+0x3cc/0x9c4\n\t [\u003c000000003fe86110\u003e] vcap_api_encode_rule_test+0x1ac/0x16b0\n\t [\u003c00000000b3595fc4\u003e] kunit_try_run_case+0x13c/0x3ac\n\t [\u003c0000000010f5d2bf\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [\u003c00000000c5d82c9a\u003e] kthread+0x2e8/0x374\n\t [\u003c00000000f4287308\u003e] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0400 (size 64):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898265\n\t hex dump (first 32 bytes):\n\t 80 04 0b cc 80 ff ff ff 18 b7 58 ca 80 ff ff ff ..........X.....\n\t 39 00 00 00 02 00 00 00 06 05 04 03 02 01 ff ff 9...............\n\t backtrace (crc daf014e9):\n\t [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [\u003c000000000ff63fd4\u003e] vcap_rule_add_key+0x2cc/0x528\n\t [\u003c00000000dfdb1e81\u003e] vcap_api_encode_rule_test+0x224/0x16b0\n\t [\u003c00000000b3595fc4\u003e] kunit_try_run_case+0x13c/0x3ac\n\t [\u003c0000000010f5d2bf\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [\u003c00000000c5d82c9a\u003e] kthread+0x2e8/0x374\n\t [\u003c00000000f4287308\u003e] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0700 (size 64):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898265\n\t hex dump (first 32 bytes):\n\t 80 07 0b cc 80 ff ff ff 28 b7 58 ca 80 ff ff ff ........(.X.....\n\t 3c 00 00 00 00 00 00 00 01 2f 03 b3 ec ff ff ff \u003c......../......\n\t backtrace (crc 8d877792):\n\t [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [\u003c000000006eadfab7\u003e] vcap_rule_add_action+0x2d0/0x52c\n\t [\u003c00000000323475d1\u003e] vcap_api_encode_rule_test+0x4d4/0x16b0\n\t [\u003c00000000b3595fc4\u003e] kunit_try_run_case+0x13c/0x3ac\n\t [\u003c0000000010f5d2bf\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [\u003c00000000c5d82c9a\u003e] kthread+0x2e8/0x374\n\t [\u003c00000000f4287308\u003e] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0900 (size 64):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898266\n\t hex dump (first 32 bytes):\n\t 80 09 0b cc 80 ff ff ff 80 06 0b cc 80 ff ff ff ................\n\t 7d 00 00 00 01 00 00 00 00 00 00 00 ff 00 00 00 }...............\n\t backtrace (crc 34181e56):\n\t [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [\u003c000000000ff63fd4\u003e] vcap_rule_add_key+0x2cc/0x528\n\t [\u003c00000000991e3564\u003e] vcap_val_rule+0xcf0/0x13e8\n\t [\u003c00000000fc9868e5\u003e] vcap_api_encode_rule_test+0x678/0x16b0\n\t [\u003c00000000b3595fc4\u003e] kunit_try_run_case+0x13c/0x3ac\n\t [\u003c0000000010f5d2bf\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [\u003c00000000c5d82c9a\u003e] kthread+0x2e8/0x374\n\t [\u003c00000000f4287308\u003e] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0980 (size 64):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898266\n\t hex dump (first 32 bytes):\n\t 18 b7 58 ca 80 ff ff ff 00 09 0b cc 80 ff ff ff ..X.............\n\t 67 00 00 00 00 00 00 00 01 01 74 88 c0 ff ff ff g.........t.....\n\t backtrace (crc 275fd9be):\n\t [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [\u003c000000000ff63fd4\u003e] vcap_rule_add_key+0x2cc/0x528\n\t [\u003c000000001396a1a2\u003e] test_add_de\n---truncated---"
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},
{
"url": "https://git.kernel.org/stable/c/217a3d98d1e9891a8b1438a27dfbc64ddf01f691"
}
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"title": "net: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test()",
"x_generator": {
"engine": "bippy-1.2.0"
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}
},
"cveMetadata": {
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"assignerShortName": "Linux",
"cveId": "CVE-2024-50084",
"datePublished": "2024-10-29T00:50:27.226Z",
"dateReserved": "2024-10-21T19:36:19.942Z",
"dateUpdated": "2026-05-23T15:54:25.123Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-49890 (GCVE-0-2024-49890)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/pm: ensure the fw_info is not null before using it
This resolves the dereference null return value warning
reported by Coverity.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 3bace359149391c6547cefe3bf729f365bcf3ef6 Version: 3bace359149391c6547cefe3bf729f365bcf3ef6 Version: 3bace359149391c6547cefe3bf729f365bcf3ef6 Version: 3bace359149391c6547cefe3bf729f365bcf3ef6 Version: 3bace359149391c6547cefe3bf729f365bcf3ef6 Version: 3bace359149391c6547cefe3bf729f365bcf3ef6 Version: 3bace359149391c6547cefe3bf729f365bcf3ef6 |
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CVE-2024-50074 (GCVE-0-2024-50074)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
parport: Proper fix for array out-of-bounds access
The recent fix for array out-of-bounds accesses replaced sprintf()
calls blindly with snprintf(). However, since snprintf() returns the
would-be-printed size, not the actually output size, the length
calculation can still go over the given limit.
Use scnprintf() instead of snprintf(), which returns the actually
output letters, for addressing the potential out-of-bounds access
properly.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-50180 (GCVE-0-2024-50180)
Vulnerability from cvelistv5
Published
2024-11-08 05:38
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fbdev: sisfb: Fix strbuf array overflow
The values of the variables xres and yres are placed in strbuf.
These variables are obtained from strbuf1.
The strbuf1 array contains digit characters
and a space if the array contains non-digit characters.
Then, when executing sprintf(strbuf, "%ux%ux8", xres, yres);
more than 16 bytes will be written to strbuf.
It is suggested to increase the size of the strbuf array to 24.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2024-50059 (GCVE-0-2024-50059)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition
In the switchtec_ntb_add function, it can call switchtec_ntb_init_sndev
function, then &sndev->check_link_status_work is bound with
check_link_status_work. switchtec_ntb_link_notification may be called
to start the work.
If we remove the module which will call switchtec_ntb_remove to make
cleanup, it will free sndev through kfree(sndev), while the work
mentioned above will be used. The sequence of operations that may lead
to a UAF bug is as follows:
CPU0 CPU1
| check_link_status_work
switchtec_ntb_remove |
kfree(sndev); |
| if (sndev->link_force_down)
| // use sndev
Fix it by ensuring that the work is canceled before proceeding with
the cleanup in switchtec_ntb_remove.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
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"value": "AV:L - The freeing side of the race is driver teardown, entered only through local actions \u2014 `rmmod ntb_hw_switchtec`, a write to `/sys/bus/pci/drivers/switchtec/unbind`, or `/sys/bus/pci/devices/.../remove` \u2014 and the racing side arrives over the PCIe/NTB fabric rather than a network stack. No network or adjacent-network protocol reaches this code, so local system access is the entry point.\nAC:L - The attacker controls both sides: the NTB peer host (or a local user driving the Switchtec management device) can send `LINK_MESSAGE`/`MSG_LINK_FORCE_DOWN` continuously so `check_link_status_work` is always pending, and `switchtec_ntb_part_op()` then sleeps up to 1000\u00d750 ms inside the object, holding the window open for tens of seconds while teardown is triggered. Bind/unbind can also be repeated indefinitely, so success depends on nothing outside the attacker\u0027s influence.\nPR:L - The side that keeps the work item live requires no privilege \u2014 it is driven by the NTB peer host\u0027s link messages, by PCIe link-state events, or by non-CAP_SYS_ADMIN MRPC commands on `/dev/switchtecN` (the driver explicitly gates only GAS read/write on CAP_SYS_ADMIN) \u2014 while the `kfree()` occurs on any device removal, including surprise PCIe hot-remove and routine administrative unbind. Consistent with the scoring of the equivalent driver remove-path work-item UAFs (e.g. CVE-2024-57984), low local privileges are the defensible assumption.\nUI:N - The removal and the link-message traffic are both initiated by the attacker or generated autonomously by the PCIe hardware; no victim must mount a filesystem, open a file, or take any other action. Exploitation completes entirely from the attacker\u0027s own operations.\nS:U - The use-after-free corrupts kernel heap state and is exploited within the same kernel security authority that owns the driver. No hypervisor, IOMMU, or sandbox boundary is crossed by the vulnerability itself.\nC:H - After `kfree(sndev)` the worker reads `link_force_down`, `mmio_ntb`, `mmio_peer_ctrl`, `mmio_peer_dbmsg`, `self_shared_dma`, `peer_direct_mw_to_bar[]` and `stdev-\u003edev` back out of freed memory, and the ~50-second sleep inside `switchtec_ntb_part_op()` makes slab reclaim by an attacker-sprayed object highly practical, converting the dangling object into a controlled kernel read primitive. Per use-after-free scoring guidance this is High.\nI:H - `ntb_link_event()` performs `ntb-\u003ectx_ops-\u003elink_event(ntb-\u003ectx)` \u2014 an indirect branch through a function pointer read from freed memory \u2014 and `config_rsvd_lut_win()` issues `iowrite32`/`iowrite64` to `\u0026ctl-\u003ebar_entry[peer_bar]`/`\u0026ctl-\u003elut_entry[]` with base pointer, index and payload all taken from the freed object, giving both control-flow hijack and a controlled write (including reprogramming of the NTB DMA translation window) after heap spraying.\nA:H - Even without successful exploitation, the worker takes a spinlock in freed memory, dereferences freed `__iomem` pointers and touches the device after teardown, and the concurrent `link_notifier`/`sndev` NULL stores add a NULL-pointer dereference path \u2014 any of which produces a kernel oops or panic."
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CVE-2022-48971 (GCVE-0-2022-48971)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: Fix not cleanup led when bt_init fails
bt_init() calls bt_leds_init() to register led, but if it fails later,
bt_leds_cleanup() is not called to unregister it.
This can cause panic if the argument "bluetooth-power" in text is freed
and then another led_trigger_register() tries to access it:
BUG: unable to handle page fault for address: ffffffffc06d3bc0
RIP: 0010:strcmp+0xc/0x30
Call Trace:
<TASK>
led_trigger_register+0x10d/0x4f0
led_trigger_register_simple+0x7d/0x100
bt_init+0x39/0xf7 [bluetooth]
do_one_initcall+0xd0/0x4e0
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e64c97b53bc6727aa4385535166aaa047281e02d Version: e64c97b53bc6727aa4385535166aaa047281e02d Version: e64c97b53bc6727aa4385535166aaa047281e02d Version: e64c97b53bc6727aa4385535166aaa047281e02d Version: e64c97b53bc6727aa4385535166aaa047281e02d Version: e64c97b53bc6727aa4385535166aaa047281e02d |
||
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CVE-2022-49007 (GCVE-0-2022-49007)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nilfs2: fix NULL pointer dereference in nilfs_palloc_commit_free_entry()
Syzbot reported a null-ptr-deref bug:
NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP
frequency < 30 seconds
general protection fault, probably for non-canonical address
0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 PID: 3603 Comm: segctord Not tainted
6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google
10/11/2022
RIP: 0010:nilfs_palloc_commit_free_entry+0xe5/0x6b0
fs/nilfs2/alloc.c:608
Code: 00 00 00 00 fc ff df 80 3c 02 00 0f 85 cd 05 00 00 48 b8 00 00 00
00 00 fc ff df 4c 8b 73 08 49 8d 7e 10 48 89 fa 48 c1 ea 03 <80> 3c 02
00 0f 85 26 05 00 00 49 8b 46 10 be a6 00 00 00 48 c7 c7
RSP: 0018:ffffc90003dff830 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: ffff88802594e218 RCX: 000000000000000d
RDX: 0000000000000002 RSI: 0000000000002000 RDI: 0000000000000010
RBP: ffff888071880222 R08: 0000000000000005 R09: 000000000000003f
R10: 000000000000000d R11: 0000000000000000 R12: ffff888071880158
R13: ffff88802594e220 R14: 0000000000000000 R15: 0000000000000004
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1c08316a8 CR3: 0000000018560000 CR4: 0000000000350ee0
Call Trace:
<TASK>
nilfs_dat_commit_free fs/nilfs2/dat.c:114 [inline]
nilfs_dat_commit_end+0x464/0x5f0 fs/nilfs2/dat.c:193
nilfs_dat_commit_update+0x26/0x40 fs/nilfs2/dat.c:236
nilfs_btree_commit_update_v+0x87/0x4a0 fs/nilfs2/btree.c:1940
nilfs_btree_commit_propagate_v fs/nilfs2/btree.c:2016 [inline]
nilfs_btree_propagate_v fs/nilfs2/btree.c:2046 [inline]
nilfs_btree_propagate+0xa00/0xd60 fs/nilfs2/btree.c:2088
nilfs_bmap_propagate+0x73/0x170 fs/nilfs2/bmap.c:337
nilfs_collect_file_data+0x45/0xd0 fs/nilfs2/segment.c:568
nilfs_segctor_apply_buffers+0x14a/0x470 fs/nilfs2/segment.c:1018
nilfs_segctor_scan_file+0x3f4/0x6f0 fs/nilfs2/segment.c:1067
nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1197 [inline]
nilfs_segctor_collect fs/nilfs2/segment.c:1503 [inline]
nilfs_segctor_do_construct+0x12fc/0x6af0 fs/nilfs2/segment.c:2045
nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2379
nilfs_segctor_thread_construct fs/nilfs2/segment.c:2487 [inline]
nilfs_segctor_thread+0x3c3/0xf30 fs/nilfs2/segment.c:2570
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
</TASK>
...
If DAT metadata file is corrupted on disk, there is a case where
req->pr_desc_bh is NULL and blocknr is 0 at nilfs_dat_commit_end() during
a b-tree operation that cascadingly updates ancestor nodes of the b-tree,
because nilfs_dat_commit_alloc() for a lower level block can initialize
the blocknr on the same DAT entry between nilfs_dat_prepare_end() and
nilfs_dat_commit_end().
If this happens, nilfs_dat_commit_end() calls nilfs_dat_commit_free()
without valid buffer heads in req->pr_desc_bh and req->pr_bitmap_bh, and
causes the NULL pointer dereference above in
nilfs_palloc_commit_free_entry() function, which leads to a crash.
Fix this by adding a NULL check on req->pr_desc_bh and req->pr_bitmap_bh
before nilfs_palloc_commit_free_entry() in nilfs_dat_commit_free().
This also calls nilfs_error() in that case to notify that there is a fatal
flaw in the filesystem metadata and prevent further operations.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a17564f58b11476c011d623fa1f268602a81c27c Version: a17564f58b11476c011d623fa1f268602a81c27c Version: a17564f58b11476c011d623fa1f268602a81c27c Version: a17564f58b11476c011d623fa1f268602a81c27c Version: a17564f58b11476c011d623fa1f268602a81c27c Version: a17564f58b11476c011d623fa1f268602a81c27c Version: a17564f58b11476c011d623fa1f268602a81c27c Version: a17564f58b11476c011d623fa1f268602a81c27c |
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CVE-2024-47748 (GCVE-0-2024-47748)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vhost_vdpa: assign irq bypass producer token correctly
We used to call irq_bypass_unregister_producer() in
vhost_vdpa_setup_vq_irq() which is problematic as we don't know if the
token pointer is still valid or not.
Actually, we use the eventfd_ctx as the token so the life cycle of the
token should be bound to the VHOST_SET_VRING_CALL instead of
vhost_vdpa_setup_vq_irq() which could be called by set_status().
Fixing this by setting up irq bypass producer's token when handling
VHOST_SET_VRING_CALL and un-registering the producer before calling
vhost_vring_ioctl() to prevent a possible use after free as eventfd
could have been released in vhost_vring_ioctl(). And such registering
and unregistering will only be done if DRIVER_OK is set.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60 Version: 2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60 Version: 2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60 Version: 2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60 Version: 2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60 Version: 2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60 Version: 2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60 |
||
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CVE-2022-48987 (GCVE-0-2022-48987)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: v4l2-dv-timings.c: fix too strict blanking sanity checks
Sanity checks were added to verify the v4l2_bt_timings blanking fields
in order to avoid integer overflows when userspace passes weird values.
But that assumed that userspace would correctly fill in the front porch,
backporch and sync values, but sometimes all you know is the total
blanking, which is then assigned to just one of these fields.
And that can fail with these checks.
So instead set a maximum for the total horizontal and vertical
blanking and check that each field remains below that.
That is still sufficient to avoid integer overflows, but it also
allows for more flexibility in how userspace fills in these fields.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 15ded23db134da975b49ea99770de0346c193b24 Version: 3d43b2b8a3cdadd6cef9ac8ef5d156b6214a01c8 Version: 9cf9211635b68e8e0c8cb88d43ca7dc83e4632aa Version: b4a3a01762ae072c7f6ff2ff53b5019761288346 Version: 683015ae163481457a16fad2317af66360dc4762 Version: 491c0959f01d87bcbd5a1498bc70e0a3382c65a8 Version: dc7276c3f6ca008be1faf531f84b49906c9bcf7f Version: 4b6d66a45ed34a15721cb9e11492fa1a24bc83df |
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CVE-2024-50248 (GCVE-0-2024-50248)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ntfs3: Add bounds checking to mi_enum_attr()
Added bounds checking to make sure that every attr don't stray beyond
valid memory region.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47661 (GCVE-0-2024-47661)
Vulnerability from cvelistv5
Published
2024-10-09 14:05
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Avoid overflow from uint32_t to uint8_t
[WHAT & HOW]
dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned
0xFFFF. Fix it by changing it to uint8_t with value of 0xFF.
This fixes 2 INTEGER_OVERFLOW issues reported by Coverity.
References
Impacted products
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CVE-2022-48956 (GCVE-0-2022-48956)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: avoid use-after-free in ip6_fragment()
Blamed commit claimed rcu_read_lock() was held by ip6_fragment() callers.
It seems to not be always true, at least for UDP stack.
syzbot reported:
BUG: KASAN: use-after-free in ip6_dst_idev include/net/ip6_fib.h:245 [inline]
BUG: KASAN: use-after-free in ip6_fragment+0x2724/0x2770 net/ipv6/ip6_output.c:951
Read of size 8 at addr ffff88801d403e80 by task syz-executor.3/7618
CPU: 1 PID: 7618 Comm: syz-executor.3 Not tainted 6.1.0-rc6-syzkaller-00012-g4312098baf37 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x15e/0x45d mm/kasan/report.c:395
kasan_report+0xbf/0x1f0 mm/kasan/report.c:495
ip6_dst_idev include/net/ip6_fib.h:245 [inline]
ip6_fragment+0x2724/0x2770 net/ipv6/ip6_output.c:951
__ip6_finish_output net/ipv6/ip6_output.c:193 [inline]
ip6_finish_output+0x9a3/0x1170 net/ipv6/ip6_output.c:206
NF_HOOK_COND include/linux/netfilter.h:291 [inline]
ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
dst_output include/net/dst.h:445 [inline]
ip6_local_out+0xb3/0x1a0 net/ipv6/output_core.c:161
ip6_send_skb+0xbb/0x340 net/ipv6/ip6_output.c:1966
udp_v6_send_skb+0x82a/0x18a0 net/ipv6/udp.c:1286
udp_v6_push_pending_frames+0x140/0x200 net/ipv6/udp.c:1313
udpv6_sendmsg+0x18da/0x2c80 net/ipv6/udp.c:1606
inet6_sendmsg+0x9d/0xe0 net/ipv6/af_inet6.c:665
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg+0xd3/0x120 net/socket.c:734
sock_write_iter+0x295/0x3d0 net/socket.c:1108
call_write_iter include/linux/fs.h:2191 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x9ed/0xdd0 fs/read_write.c:584
ksys_write+0x1ec/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fde3588c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fde365b6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fde359ac050 RCX: 00007fde3588c0d9
RDX: 000000000000ffdc RSI: 00000000200000c0 RDI: 000000000000000a
RBP: 00007fde358e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fde35acfb1f R14: 00007fde365b6300 R15: 0000000000022000
</TASK>
Allocated by task 7618:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
__kasan_slab_alloc+0x82/0x90 mm/kasan/common.c:325
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slab.h:737 [inline]
slab_alloc_node mm/slub.c:3398 [inline]
slab_alloc mm/slub.c:3406 [inline]
__kmem_cache_alloc_lru mm/slub.c:3413 [inline]
kmem_cache_alloc+0x2b4/0x3d0 mm/slub.c:3422
dst_alloc+0x14a/0x1f0 net/core/dst.c:92
ip6_dst_alloc+0x32/0xa0 net/ipv6/route.c:344
ip6_rt_pcpu_alloc net/ipv6/route.c:1369 [inline]
rt6_make_pcpu_route net/ipv6/route.c:1417 [inline]
ip6_pol_route+0x901/0x1190 net/ipv6/route.c:2254
pol_lookup_func include/net/ip6_fib.h:582 [inline]
fib6_rule_lookup+0x52e/0x6f0 net/ipv6/fib6_rules.c:121
ip6_route_output_flags_noref+0x2e6/0x380 net/ipv6/route.c:2625
ip6_route_output_flags+0x76/0x320 net/ipv6/route.c:2638
ip6_route_output include/net/ip6_route.h:98 [inline]
ip6_dst_lookup_tail+0x5ab/0x1620 net/ipv6/ip6_output.c:1092
ip6_dst_lookup_flow+0x90/0x1d0 net/ipv6/ip6_output.c:1222
ip6_sk_dst_lookup_flow+0x553/0x980 net/ipv6/ip6_output.c:1260
udpv6_sendmsg+0x151d/0x2c80 net/ipv6/udp.c:1554
inet6_sendmsg+0x9d/0xe0 net/ipv6/af_inet6.c:665
sock_sendmsg_nosec n
---truncated---
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1758fd4688eb92c796e75bdb1d256dc558ef9581 Version: 1758fd4688eb92c796e75bdb1d256dc558ef9581 Version: 1758fd4688eb92c796e75bdb1d256dc558ef9581 Version: 1758fd4688eb92c796e75bdb1d256dc558ef9581 Version: 1758fd4688eb92c796e75bdb1d256dc558ef9581 Version: 1758fd4688eb92c796e75bdb1d256dc558ef9581 Version: 1758fd4688eb92c796e75bdb1d256dc558ef9581 |
||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2022-48956",
"options": [
{
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},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-22T13:21:00.418896Z",
"version": "2.0.3"
},
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}
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/ipv6/ip6_output.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "b3d7ff8c04a83279fb7641fc4d5aa82a602df7c0",
"status": "affected",
"version": "1758fd4688eb92c796e75bdb1d256dc558ef9581",
"versionType": "git"
},
{
"lessThan": "7e0dcd5f3ade221a6126278aca60c8ab4cc3bce9",
"status": "affected",
"version": "1758fd4688eb92c796e75bdb1d256dc558ef9581",
"versionType": "git"
},
{
"lessThan": "6b6d3be3661bff2746cab26147bd629aa034e094",
"status": "affected",
"version": "1758fd4688eb92c796e75bdb1d256dc558ef9581",
"versionType": "git"
},
{
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},
{
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"status": "affected",
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"versionType": "git"
},
{
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"versionType": "git"
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{
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"status": "affected",
"version": "1758fd4688eb92c796e75bdb1d256dc558ef9581",
"versionType": "git"
}
]
},
{
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"product": "Linux",
"programFiles": [
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.13"
},
{
"lessThan": "4.13",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"version": "4.14.302",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.269",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.227",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.159",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.83",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.0.*",
"status": "unaffected",
"version": "6.0.13",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.1",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.14.302",
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
{
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},
{
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},
{
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.13",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: avoid use-after-free in ip6_fragment()\n\nBlamed commit claimed rcu_read_lock() was held by ip6_fragment() callers.\n\nIt seems to not be always true, at least for UDP stack.\n\nsyzbot reported:\n\nBUG: KASAN: use-after-free in ip6_dst_idev include/net/ip6_fib.h:245 [inline]\nBUG: KASAN: use-after-free in ip6_fragment+0x2724/0x2770 net/ipv6/ip6_output.c:951\nRead of size 8 at addr ffff88801d403e80 by task syz-executor.3/7618\n\nCPU: 1 PID: 7618 Comm: syz-executor.3 Not tainted 6.1.0-rc6-syzkaller-00012-g4312098baf37 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:284 [inline]\n print_report+0x15e/0x45d mm/kasan/report.c:395\n kasan_report+0xbf/0x1f0 mm/kasan/report.c:495\n ip6_dst_idev include/net/ip6_fib.h:245 [inline]\n ip6_fragment+0x2724/0x2770 net/ipv6/ip6_output.c:951\n __ip6_finish_output net/ipv6/ip6_output.c:193 [inline]\n ip6_finish_output+0x9a3/0x1170 net/ipv6/ip6_output.c:206\n NF_HOOK_COND include/linux/netfilter.h:291 [inline]\n ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227\n dst_output include/net/dst.h:445 [inline]\n ip6_local_out+0xb3/0x1a0 net/ipv6/output_core.c:161\n ip6_send_skb+0xbb/0x340 net/ipv6/ip6_output.c:1966\n udp_v6_send_skb+0x82a/0x18a0 net/ipv6/udp.c:1286\n udp_v6_push_pending_frames+0x140/0x200 net/ipv6/udp.c:1313\n udpv6_sendmsg+0x18da/0x2c80 net/ipv6/udp.c:1606\n inet6_sendmsg+0x9d/0xe0 net/ipv6/af_inet6.c:665\n sock_sendmsg_nosec net/socket.c:714 [inline]\n sock_sendmsg+0xd3/0x120 net/socket.c:734\n sock_write_iter+0x295/0x3d0 net/socket.c:1108\n call_write_iter include/linux/fs.h:2191 [inline]\n new_sync_write fs/read_write.c:491 [inline]\n vfs_write+0x9ed/0xdd0 fs/read_write.c:584\n ksys_write+0x1ec/0x250 fs/read_write.c:637\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7fde3588c0d9\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fde365b6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 00007fde359ac050 RCX: 00007fde3588c0d9\nRDX: 000000000000ffdc RSI: 00000000200000c0 RDI: 000000000000000a\nRBP: 00007fde358e7ae9 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007fde35acfb1f R14: 00007fde365b6300 R15: 0000000000022000\n \u003c/TASK\u003e\n\nAllocated by task 7618:\n kasan_save_stack+0x22/0x40 mm/kasan/common.c:45\n kasan_set_track+0x25/0x30 mm/kasan/common.c:52\n __kasan_slab_alloc+0x82/0x90 mm/kasan/common.c:325\n kasan_slab_alloc include/linux/kasan.h:201 [inline]\n slab_post_alloc_hook mm/slab.h:737 [inline]\n slab_alloc_node mm/slub.c:3398 [inline]\n slab_alloc mm/slub.c:3406 [inline]\n __kmem_cache_alloc_lru mm/slub.c:3413 [inline]\n kmem_cache_alloc+0x2b4/0x3d0 mm/slub.c:3422\n dst_alloc+0x14a/0x1f0 net/core/dst.c:92\n ip6_dst_alloc+0x32/0xa0 net/ipv6/route.c:344\n ip6_rt_pcpu_alloc net/ipv6/route.c:1369 [inline]\n rt6_make_pcpu_route net/ipv6/route.c:1417 [inline]\n ip6_pol_route+0x901/0x1190 net/ipv6/route.c:2254\n pol_lookup_func include/net/ip6_fib.h:582 [inline]\n fib6_rule_lookup+0x52e/0x6f0 net/ipv6/fib6_rules.c:121\n ip6_route_output_flags_noref+0x2e6/0x380 net/ipv6/route.c:2625\n ip6_route_output_flags+0x76/0x320 net/ipv6/route.c:2638\n ip6_route_output include/net/ip6_route.h:98 [inline]\n ip6_dst_lookup_tail+0x5ab/0x1620 net/ipv6/ip6_output.c:1092\n ip6_dst_lookup_flow+0x90/0x1d0 net/ipv6/ip6_output.c:1222\n ip6_sk_dst_lookup_flow+0x553/0x980 net/ipv6/ip6_output.c:1260\n udpv6_sendmsg+0x151d/0x2c80 net/ipv6/udp.c:1554\n inet6_sendmsg+0x9d/0xe0 net/ipv6/af_inet6.c:665\n sock_sendmsg_nosec n\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The vulnerable code is in the IPv6 transmit path (ip6_fragment), reached via local UDP sendmsg/write as shown by the syzbot trace; IPv6 forwarding does not fragment and a remote peer cannot directly invoke this TX path.\nAC:L - An unprivileged attacker can reliably set up the fraglist path with UDP corking/MSG_MORE and force fragment output failures; this is a classic UAF where the attacker drives the triggering conditions, so complexity is Low.\nPR:L - Any unprivileged local user can open an IPv6 UDP socket and send corked datagrams into ip6_fragment with no capabilities required.\nUI:N - Exploitation requires only the attacker\u0027s own sendmsg/write syscalls; no victim action is needed.\nS:U - The UAF affects kernel memory in the same privilege domain as the local attacker and does not cross a VM/IOMMU or other security authority boundary.\nC:H - Use-after-free of the rt6_info/dst object allows heap reuse control of the freed object, enabling disclosure of kernel memory via the dangling rt6i_idev read path.\nI:H - The post-free IP6_INC_STATS path writes through ip6_dst_idev(\u0026rt-\u003edst); with heap spray of the freed dst this yields a write primitive suitable for control-flow hijacking.\nA:H - Use-after-free of the destination cache entry can cause kernel oops/panic when the freed object is accessed or poisoned, fully impacting availability."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T08:53:07.681Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/b3d7ff8c04a83279fb7641fc4d5aa82a602df7c0"
},
{
"url": "https://git.kernel.org/stable/c/7e0dcd5f3ade221a6126278aca60c8ab4cc3bce9"
},
{
"url": "https://git.kernel.org/stable/c/6b6d3be3661bff2746cab26147bd629aa034e094"
},
{
"url": "https://git.kernel.org/stable/c/8208d7e56b1e579320b9ff3712739ad2e63e1f86"
},
{
"url": "https://git.kernel.org/stable/c/7390c70bd431cbfa6951477e2c80a301643e284b"
},
{
"url": "https://git.kernel.org/stable/c/9b1a468a455d8319041528778d0e684a4c062792"
},
{
"url": "https://git.kernel.org/stable/c/803e84867de59a1e5d126666d25eb4860cfd2ebe"
}
],
"title": "ipv6: avoid use-after-free in ip6_fragment()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2022-48956",
"datePublished": "2024-10-21T20:05:42.379Z",
"dateReserved": "2024-08-22T01:27:53.627Z",
"dateUpdated": "2026-08-05T08:53:07.681Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-46818 (GCVE-0-2024-46818)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check gpio_id before used as array index
[WHY & HOW]
GPIO_ID_UNKNOWN (-1) is not a valid value for array index and therefore
should be checked in advance.
This fixes 5 OVERRUN issues reported by Coverity.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-46818",
"options": [
{
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},
{
"Automatable": "no"
},
{
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}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-29T14:15:06.184629Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-29T14:15:15.550Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:19:05.133Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
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CVE-2024-49986 (GCVE-0-2024-49986)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: x86-android-tablets: Fix use after free on platform_device_register() errors
x86_android_tablet_remove() frees the pdevs[] array, so it should not
be used after calling x86_android_tablet_remove().
When platform_device_register() fails, store the pdevs[x] PTR_ERR() value
into the local ret variable before calling x86_android_tablet_remove()
to avoid using pdevs[] after it has been freed.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50087 (GCVE-0-2024-50087)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix uninitialized pointer free on read_alloc_one_name() error
The function read_alloc_one_name() does not initialize the name field of
the passed fscrypt_str struct if kmalloc fails to allocate the
corresponding buffer. Thus, it is not guaranteed that
fscrypt_str.name is initialized when freeing it.
This is a follow-up to the linked patch that fixes the remaining
instances of the bug introduced by commit e43eec81c516 ("btrfs: use
struct qstr instead of name and namelen pairs").
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-46830 (GCVE-0-2024-46830)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86: Acquire kvm->srcu when handling KVM_SET_VCPU_EVENTS
Grab kvm->srcu when processing KVM_SET_VCPU_EVENTS, as KVM will forcibly
leave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX
reads guest memory.
Note, kvm_vcpu_ioctl_x86_set_vcpu_events() can also be called from KVM_RUN
via sync_regs(), which already holds SRCU. I.e. trying to precisely use
kvm_vcpu_srcu_read_lock() around the problematic SMM code would cause
problems. Acquiring SRCU isn't all that expensive, so for simplicity,
grab it unconditionally for KVM_SET_VCPU_EVENTS.
=============================
WARNING: suspicious RCU usage
6.10.0-rc7-332d2c1d713e-next-vm #552 Not tainted
-----------------------------
include/linux/kvm_host.h:1027 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by repro/1071:
#0: ffff88811e424430 (&vcpu->mutex){+.+.}-{3:3}, at: kvm_vcpu_ioctl+0x7d/0x970 [kvm]
stack backtrace:
CPU: 15 PID: 1071 Comm: repro Not tainted 6.10.0-rc7-332d2c1d713e-next-vm #552
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
Call Trace:
<TASK>
dump_stack_lvl+0x7f/0x90
lockdep_rcu_suspicious+0x13f/0x1a0
kvm_vcpu_gfn_to_memslot+0x168/0x190 [kvm]
kvm_vcpu_read_guest+0x3e/0x90 [kvm]
nested_vmx_load_msr+0x6b/0x1d0 [kvm_intel]
load_vmcs12_host_state+0x432/0xb40 [kvm_intel]
vmx_leave_nested+0x30/0x40 [kvm_intel]
kvm_vcpu_ioctl_x86_set_vcpu_events+0x15d/0x2b0 [kvm]
kvm_arch_vcpu_ioctl+0x1107/0x1750 [kvm]
? mark_held_locks+0x49/0x70
? kvm_vcpu_ioctl+0x7d/0x970 [kvm]
? kvm_vcpu_ioctl+0x497/0x970 [kvm]
kvm_vcpu_ioctl+0x497/0x970 [kvm]
? lock_acquire+0xba/0x2d0
? find_held_lock+0x2b/0x80
? do_user_addr_fault+0x40c/0x6f0
? lock_release+0xb7/0x270
__x64_sys_ioctl+0x82/0xb0
do_syscall_64+0x6c/0x170
entry_SYSCALL_64_after_hwframe+0x4b/0x53
RIP: 0033:0x7ff11eb1b539
</TASK>
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e302786233e6bc512986d007c96458ccf5ca21c7 Version: f7e570780efc5cec9b2ed1e0472a7da14e864fdb Version: f7e570780efc5cec9b2ed1e0472a7da14e864fdb Version: f7e570780efc5cec9b2ed1e0472a7da14e864fdb Version: f7e570780efc5cec9b2ed1e0472a7da14e864fdb Version: 080dbe7e9b86a0392d8dffc00d9971792afc121f Version: b4c0d89c92e957ecccce12e66b63875d0cc7af7e Version: 5.15.19 ≤ Version: 5.10.97 ≤ Version: 5.16.5 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Acquire kvm-\u003esrcu when handling KVM_SET_VCPU_EVENTS\n\nGrab kvm-\u003esrcu when processing KVM_SET_VCPU_EVENTS, as KVM will forcibly\nleave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX\nreads guest memory.\n\nNote, kvm_vcpu_ioctl_x86_set_vcpu_events() can also be called from KVM_RUN\nvia sync_regs(), which already holds SRCU. I.e. trying to precisely use\nkvm_vcpu_srcu_read_lock() around the problematic SMM code would cause\nproblems. Acquiring SRCU isn\u0027t all that expensive, so for simplicity,\ngrab it unconditionally for KVM_SET_VCPU_EVENTS.\n\n =============================\n WARNING: suspicious RCU usage\n 6.10.0-rc7-332d2c1d713e-next-vm #552 Not tainted\n -----------------------------\n include/linux/kvm_host.h:1027 suspicious rcu_dereference_check() usage!\n\n other info that might help us debug this:\n\n rcu_scheduler_active = 2, debug_locks = 1\n 1 lock held by repro/1071:\n #0: ffff88811e424430 (\u0026vcpu-\u003emutex){+.+.}-{3:3}, at: kvm_vcpu_ioctl+0x7d/0x970 [kvm]\n\n stack backtrace:\n CPU: 15 PID: 1071 Comm: repro Not tainted 6.10.0-rc7-332d2c1d713e-next-vm #552\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x7f/0x90\n lockdep_rcu_suspicious+0x13f/0x1a0\n kvm_vcpu_gfn_to_memslot+0x168/0x190 [kvm]\n kvm_vcpu_read_guest+0x3e/0x90 [kvm]\n nested_vmx_load_msr+0x6b/0x1d0 [kvm_intel]\n load_vmcs12_host_state+0x432/0xb40 [kvm_intel]\n vmx_leave_nested+0x30/0x40 [kvm_intel]\n kvm_vcpu_ioctl_x86_set_vcpu_events+0x15d/0x2b0 [kvm]\n kvm_arch_vcpu_ioctl+0x1107/0x1750 [kvm]\n ? mark_held_locks+0x49/0x70\n ? kvm_vcpu_ioctl+0x7d/0x970 [kvm]\n ? kvm_vcpu_ioctl+0x497/0x970 [kvm]\n kvm_vcpu_ioctl+0x497/0x970 [kvm]\n ? lock_acquire+0xba/0x2d0\n ? find_held_lock+0x2b/0x80\n ? do_user_addr_fault+0x40c/0x6f0\n ? lock_release+0xb7/0x270\n __x64_sys_ioctl+0x82/0xb0\n do_syscall_64+0x6c/0x170\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n RIP: 0033:0x7ff11eb1b539\n \u003c/TASK\u003e"
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CVE-2024-27407 (GCVE-0-2024-27407)
Vulnerability from cvelistv5
Published
2024-05-17 11:40
Modified
2026-08-05 11:29
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Fixed overflow check in mi_enum_attr()
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-53072 (GCVE-0-2024-53072)
Vulnerability from cvelistv5
Published
2024-11-19 17:22
Modified
2026-05-11 20:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
platform/x86/amd/pmc: Detect when STB is not available
Loading the amd_pmc module as:
amd_pmc enable_stb=1
...can result in the following messages in the kernel ring buffer:
amd_pmc AMDI0009:00: SMU cmd failed. err: 0xff
ioremap on RAM at 0x0000000000000000 - 0x0000000000ffffff
WARNING: CPU: 10 PID: 2151 at arch/x86/mm/ioremap.c:217 __ioremap_caller+0x2cd/0x340
Further debugging reveals that this occurs when the requests for
S2D_PHYS_ADDR_LOW and S2D_PHYS_ADDR_HIGH return a value of 0,
indicating that the STB is inaccessible. To prevent the ioremap
warning and provide clarity to the user, handle the invalid address
and display an error message.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-46831 (GCVE-0-2024-46831)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: microchip: vcap: Fix use-after-free error in kunit test
This is a clear use-after-free error. We remove it, and rely on checking
the return code of vcap_del_rule.
References
Impacted products
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CVE-2024-47702 (GCVE-0-2024-47702)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fail verification for sign-extension of packet data/data_end/data_meta
syzbot reported a kernel crash due to
commit 1f1e864b6555 ("bpf: Handle sign-extenstin ctx member accesses").
The reason is due to sign-extension of 32-bit load for
packet data/data_end/data_meta uapi field.
The original code looks like:
r2 = *(s32 *)(r1 + 76) /* load __sk_buff->data */
r3 = *(u32 *)(r1 + 80) /* load __sk_buff->data_end */
r0 = r2
r0 += 8
if r3 > r0 goto +1
...
Note that __sk_buff->data load has 32-bit sign extension.
After verification and convert_ctx_accesses(), the final asm code looks like:
r2 = *(u64 *)(r1 +208)
r2 = (s32)r2
r3 = *(u64 *)(r1 +80)
r0 = r2
r0 += 8
if r3 > r0 goto pc+1
...
Note that 'r2 = (s32)r2' may make the kernel __sk_buff->data address invalid
which may cause runtime failure.
Currently, in C code, typically we have
void *data = (void *)(long)skb->data;
void *data_end = (void *)(long)skb->data_end;
...
and it will generate
r2 = *(u64 *)(r1 +208)
r3 = *(u64 *)(r1 +80)
r0 = r2
r0 += 8
if r3 > r0 goto pc+1
If we allow sign-extension,
void *data = (void *)(long)(int)skb->data;
void *data_end = (void *)(long)skb->data_end;
...
the generated code looks like
r2 = *(u64 *)(r1 +208)
r2 <<= 32
r2 s>>= 32
r3 = *(u64 *)(r1 +80)
r0 = r2
r0 += 8
if r3 > r0 goto pc+1
and this will cause verification failure since "r2 <<= 32" is not allowed
as "r2" is a packet pointer.
To fix this issue for case
r2 = *(s32 *)(r1 + 76) /* load __sk_buff->data */
this patch added additional checking in is_valid_access() callback
function for packet data/data_end/data_meta access. If those accesses
are with sign-extenstion, the verification will fail.
[1] https://lore.kernel.org/bpf/000000000000c90eee061d236d37@google.com/
References
Impacted products
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CVE-2024-47741 (GCVE-0-2024-47741)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix race setting file private on concurrent lseek using same fd
When doing concurrent lseek(2) system calls against the same file
descriptor, using multiple threads belonging to the same process, we have
a short time window where a race happens and can result in a memory leak.
The race happens like this:
1) A program opens a file descriptor for a file and then spawns two
threads (with the pthreads library for example), lets call them
task A and task B;
2) Task A calls lseek with SEEK_DATA or SEEK_HOLE and ends up at
file.c:find_desired_extent() while holding a read lock on the inode;
3) At the start of find_desired_extent(), it extracts the file's
private_data pointer into a local variable named 'private', which has
a value of NULL;
4) Task B also calls lseek with SEEK_DATA or SEEK_HOLE, locks the inode
in shared mode and enters file.c:find_desired_extent(), where it also
extracts file->private_data into its local variable 'private', which
has a NULL value;
5) Because it saw a NULL file private, task A allocates a private
structure and assigns to the file structure;
6) Task B also saw a NULL file private so it also allocates its own file
private and then assigns it to the same file structure, since both
tasks are using the same file descriptor.
At this point we leak the private structure allocated by task A.
Besides the memory leak, there's also the detail that both tasks end up
using the same cached state record in the private structure (struct
btrfs_file_private::llseek_cached_state), which can result in a
use-after-free problem since one task can free it while the other is
still using it (only one task took a reference count on it). Also, sharing
the cached state is not a good idea since it could result in incorrect
results in the future - right now it should not be a problem because it
end ups being used only in extent-io-tree.c:count_range_bits() where we do
range validation before using the cached state.
Fix this by protecting the private assignment and check of a file while
holding the inode's spinlock and keep track of the task that allocated
the private, so that it's used only by that task in order to prevent
user-after-free issues with the cached state record as well as potentially
using it incorrectly in the future.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2023-52778 (GCVE-0-2023-52778)
Vulnerability from cvelistv5
Published
2024-05-21 15:30
Modified
2026-05-11 19:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: deal with large GSO size
After the blamed commit below, the TCP sockets (and the MPTCP subflows)
can build egress packets larger than 64K. That exceeds the maximum DSS
data size, the length being misrepresent on the wire and the stream being
corrupted, as later observed on the receiver:
WARNING: CPU: 0 PID: 9696 at net/mptcp/protocol.c:705 __mptcp_move_skbs_from_subflow+0x2604/0x26e0
CPU: 0 PID: 9696 Comm: syz-executor.7 Not tainted 6.6.0-rc5-gcd8bdf563d46 #45
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
RIP: 0010:__mptcp_move_skbs_from_subflow+0x2604/0x26e0 net/mptcp/protocol.c:705
RSP: 0018:ffffc90000006e80 EFLAGS: 00010246
RAX: ffffffff83e9f674 RBX: ffff88802f45d870 RCX: ffff888102ad0000
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
RDX: 0000000080000303 RSI: 0000000000013908 RDI: 0000000000003908
RBP: ffffc90000007110 R08: ffffffff83e9e078 R09: 1ffff1100e548c8a
R10: dffffc0000000000 R11: ffffed100e548c8b R12: 0000000000013908
R13: dffffc0000000000 R14: 0000000000003908 R15: 000000000031cf29
FS: 00007f239c47e700(0000) GS:ffff88811b200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f239c45cd78 CR3: 000000006a66c006 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
PKRU: 55555554
Call Trace:
<IRQ>
mptcp_data_ready+0x263/0xac0 net/mptcp/protocol.c:819
subflow_data_ready+0x268/0x6d0 net/mptcp/subflow.c:1409
tcp_data_queue+0x21a1/0x7a60 net/ipv4/tcp_input.c:5151
tcp_rcv_established+0x950/0x1d90 net/ipv4/tcp_input.c:6098
tcp_v6_do_rcv+0x554/0x12f0 net/ipv6/tcp_ipv6.c:1483
tcp_v6_rcv+0x2e26/0x3810 net/ipv6/tcp_ipv6.c:1749
ip6_protocol_deliver_rcu+0xd6b/0x1ae0 net/ipv6/ip6_input.c:438
ip6_input+0x1c5/0x470 net/ipv6/ip6_input.c:483
ipv6_rcv+0xef/0x2c0 include/linux/netfilter.h:304
__netif_receive_skb+0x1ea/0x6a0 net/core/dev.c:5532
process_backlog+0x353/0x660 net/core/dev.c:5974
__napi_poll+0xc6/0x5a0 net/core/dev.c:6536
net_rx_action+0x6a0/0xfd0 net/core/dev.c:6603
__do_softirq+0x184/0x524 kernel/softirq.c:553
do_softirq+0xdd/0x130 kernel/softirq.c:454
Address the issue explicitly bounding the maximum GSO size to what MPTCP
actually allows.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-53081 (GCVE-0-2024-53081)
Vulnerability from cvelistv5
Published
2024-11-19 17:45
Modified
2026-05-11 20:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: ar0521: don't overflow when checking PLL values
The PLL checks are comparing 64 bit integers with 32 bit
ones, as reported by Coverity. Depending on the values of
the variables, this may underflow.
Fix it ensuring that both sides of the expression are u64.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49931 (GCVE-0-2024-49931)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath12k: fix array out-of-bound access in SoC stats
Currently, the ath12k_soc_dp_stats::hal_reo_error array is defined with a
maximum size of DP_REO_DST_RING_MAX. However, the ath12k_dp_rx_process()
function access ath12k_soc_dp_stats::hal_reo_error using the REO
destination SRNG ring ID, which is incorrect. SRNG ring ID differ from
normal ring ID, and this usage leads to out-of-bounds array access. To
fix this issue, modify ath12k_dp_rx_process() to use the normal ring ID
directly instead of the SRNG ring ID to avoid out-of-bounds array access.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-53106 (GCVE-0-2024-53106)
Vulnerability from cvelistv5
Published
2024-12-02 13:44
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ima: fix buffer overrun in ima_eventdigest_init_common
Function ima_eventdigest_init() calls ima_eventdigest_init_common()
with HASH_ALGO__LAST which is then used to access the array
hash_digest_size[] leading to buffer overrun. Have a conditional
statement to handle this.
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Impacted products
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CVE-2024-43897 (GCVE-0-2024-43897)
Vulnerability from cvelistv5
Published
2024-08-26 10:10
Modified
2026-08-05 11:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: drop bad gso csum_start and offset in virtio_net_hdr
Tighten csum_start and csum_offset checks in virtio_net_hdr_to_skb
for GSO packets.
The function already checks that a checksum requested with
VIRTIO_NET_HDR_F_NEEDS_CSUM is in skb linear. But for GSO packets
this might not hold for segs after segmentation.
Syzkaller demonstrated to reach this warning in skb_checksum_help
offset = skb_checksum_start_offset(skb);
ret = -EINVAL;
if (WARN_ON_ONCE(offset >= skb_headlen(skb)))
By injecting a TSO packet:
WARNING: CPU: 1 PID: 3539 at net/core/dev.c:3284 skb_checksum_help+0x3d0/0x5b0
ip_do_fragment+0x209/0x1b20 net/ipv4/ip_output.c:774
ip_finish_output_gso net/ipv4/ip_output.c:279 [inline]
__ip_finish_output+0x2bd/0x4b0 net/ipv4/ip_output.c:301
iptunnel_xmit+0x50c/0x930 net/ipv4/ip_tunnel_core.c:82
ip_tunnel_xmit+0x2296/0x2c70 net/ipv4/ip_tunnel.c:813
__gre_xmit net/ipv4/ip_gre.c:469 [inline]
ipgre_xmit+0x759/0xa60 net/ipv4/ip_gre.c:661
__netdev_start_xmit include/linux/netdevice.h:4850 [inline]
netdev_start_xmit include/linux/netdevice.h:4864 [inline]
xmit_one net/core/dev.c:3595 [inline]
dev_hard_start_xmit+0x261/0x8c0 net/core/dev.c:3611
__dev_queue_xmit+0x1b97/0x3c90 net/core/dev.c:4261
packet_snd net/packet/af_packet.c:3073 [inline]
The geometry of the bad input packet at tcp_gso_segment:
[ 52.003050][ T8403] skb len=12202 headroom=244 headlen=12093 tailroom=0
[ 52.003050][ T8403] mac=(168,24) mac_len=24 net=(192,52) trans=244
[ 52.003050][ T8403] shinfo(txflags=0 nr_frags=1 gso(size=1552 type=3 segs=0))
[ 52.003050][ T8403] csum(0x60000c7 start=199 offset=1536
ip_summed=3 complete_sw=0 valid=0 level=0)
Mitigate with stricter input validation.
csum_offset: for GSO packets, deduce the correct value from gso_type.
This is already done for USO. Extend it to TSO. Let UFO be:
udp[46]_ufo_fragment ignores these fields and always computes the
checksum in software.
csum_start: finding the real offset requires parsing to the transport
header. Do not add a parser, use existing segmentation parsing. Thanks
to SKB_GSO_DODGY, that also catches bad packets that are hw offloaded.
Again test both TSO and USO. Do not test UFO for the above reason, and
do not test UDP tunnel offload.
GSO packet are almost always CHECKSUM_PARTIAL. USO packets may be
CHECKSUM_NONE since commit 10154dbded6d6 ("udp: Allow GSO transmit
from devices with no checksum offload"), but then still these fields
are initialized correctly in udp4_hwcsum/udp6_hwcsum_outgoing. So no
need to test for ip_summed == CHECKSUM_PARTIAL first.
This revises an existing fix mentioned in the Fixes tag, which broke
small packets with GSO offload, as detected by kselftests.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: drop bad gso csum_start and offset in virtio_net_hdr\n\nTighten csum_start and csum_offset checks in virtio_net_hdr_to_skb\nfor GSO packets.\n\nThe function already checks that a checksum requested with\nVIRTIO_NET_HDR_F_NEEDS_CSUM is in skb linear. But for GSO packets\nthis might not hold for segs after segmentation.\n\nSyzkaller demonstrated to reach this warning in skb_checksum_help\n\n\toffset = skb_checksum_start_offset(skb);\n\tret = -EINVAL;\n\tif (WARN_ON_ONCE(offset \u003e= skb_headlen(skb)))\n\nBy injecting a TSO packet:\n\nWARNING: CPU: 1 PID: 3539 at net/core/dev.c:3284 skb_checksum_help+0x3d0/0x5b0\n ip_do_fragment+0x209/0x1b20 net/ipv4/ip_output.c:774\n ip_finish_output_gso net/ipv4/ip_output.c:279 [inline]\n __ip_finish_output+0x2bd/0x4b0 net/ipv4/ip_output.c:301\n iptunnel_xmit+0x50c/0x930 net/ipv4/ip_tunnel_core.c:82\n ip_tunnel_xmit+0x2296/0x2c70 net/ipv4/ip_tunnel.c:813\n __gre_xmit net/ipv4/ip_gre.c:469 [inline]\n ipgre_xmit+0x759/0xa60 net/ipv4/ip_gre.c:661\n __netdev_start_xmit include/linux/netdevice.h:4850 [inline]\n netdev_start_xmit include/linux/netdevice.h:4864 [inline]\n xmit_one net/core/dev.c:3595 [inline]\n dev_hard_start_xmit+0x261/0x8c0 net/core/dev.c:3611\n __dev_queue_xmit+0x1b97/0x3c90 net/core/dev.c:4261\n packet_snd net/packet/af_packet.c:3073 [inline]\n\nThe geometry of the bad input packet at tcp_gso_segment:\n\n[ 52.003050][ T8403] skb len=12202 headroom=244 headlen=12093 tailroom=0\n[ 52.003050][ T8403] mac=(168,24) mac_len=24 net=(192,52) trans=244\n[ 52.003050][ T8403] shinfo(txflags=0 nr_frags=1 gso(size=1552 type=3 segs=0))\n[ 52.003050][ T8403] csum(0x60000c7 start=199 offset=1536\nip_summed=3 complete_sw=0 valid=0 level=0)\n\nMitigate with stricter input validation.\n\ncsum_offset: for GSO packets, deduce the correct value from gso_type.\nThis is already done for USO. Extend it to TSO. Let UFO be:\nudp[46]_ufo_fragment ignores these fields and always computes the\nchecksum in software.\n\ncsum_start: finding the real offset requires parsing to the transport\nheader. Do not add a parser, use existing segmentation parsing. Thanks\nto SKB_GSO_DODGY, that also catches bad packets that are hw offloaded.\nAgain test both TSO and USO. Do not test UFO for the above reason, and\ndo not test UDP tunnel offload.\n\nGSO packet are almost always CHECKSUM_PARTIAL. USO packets may be\nCHECKSUM_NONE since commit 10154dbded6d6 (\"udp: Allow GSO transmit\nfrom devices with no checksum offload\"), but then still these fields\nare initialized correctly in udp4_hwcsum/udp6_hwcsum_outgoing. So no\nneed to test for ip_summed == CHECKSUM_PARTIAL first.\n\nThis revises an existing fix mentioned in the Fixes tag, which broke\nsmall packets with GSO offload, as detected by kselftests."
}
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"version": "3.1"
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{
"lang": "en",
"value": "AV:L - The malicious `virtio_net_hdr` is supplied from local userspace via an AF_PACKET socket with `PACKET_VNET_HDR` (`packet_snd`), `/dev/net/tun`, tap, or vhost-net; there is no remote packet path that reaches these fields. Exploitation is a local `sendmsg()`/`writev()` on a locally-opened socket or device.\nAC:L - The attacker fully controls `csum_start`, `csum_offset`, `gso_type` and `gso_size`, and can create the netns, GRE/sit tunnel and MTU that force segmentation and re-fragmentation; syzkaller has a deterministic reproducer. No race or uncontrollable precondition is involved.\nPR:L - Creating the AF_PACKET socket needs `CAP_NET_RAW` in the socket\u0027s user namespace (`af_packet.c:3346`), which any unprivileged user obtains with `unshare -Urn`, along with the `CAP_NET_ADMIN` needed to set up the tunnel device; the tun/tap path only needs access to `/dev/net/tun`. This is basic local user access, not real root.\nUI:N - The attacker triggers the whole sequence itself with socket setup and a single send; no victim action or cooperation is needed.\nS:U - The out-of-bounds accesses and the crash occur in the same kernel that the attacker is already running on, with no crossing of a hypervisor, IOMMU or sandbox boundary.\nC:H - The inherited `csum_start` makes `gso_make_checksum()` compute an attacker-influenced `plen`, so `csum_partial()` reads kernel memory beyond the segment\u0027s buffer and the folded result is transmitted in the packet\u0027s checksum, giving a repeatable out-of-bounds-read/leak oracle; the WARN path additionally dumps skb state via `skb_dump()`.\nI:H - `csum_start`/`csum_offset` are unvalidated for GSO segments and are handed to checksum-insertion logic and to NIC TX descriptors on offload-capable devices, directing a 2-byte checksum write to an attacker-chosen offset outside the intended transport header. Out-of-bounds access driven by fully attacker-controlled offsets is scored as high integrity impact.\nA:H - The demonstrated result is `WARN_ONCE` in `skb_checksum_help()`, which panics the machine on the widely deployed `panic_on_warn=1` configuration, and the unbounded `csum_partial()` read over a segment can fault on unmapped memory; it is repeatable at will by an unprivileged local user."
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CVE-2022-48970 (GCVE-0-2022-48970)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
af_unix: Get user_ns from in_skb in unix_diag_get_exact().
Wei Chen reported a NULL deref in sk_user_ns() [0][1], and Paolo diagnosed
the root cause: in unix_diag_get_exact(), the newly allocated skb does not
have sk. [2]
We must get the user_ns from the NETLINK_CB(in_skb).sk and pass it to
sk_diag_fill().
[0]:
BUG: kernel NULL pointer dereference, address: 0000000000000270
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 12bbce067 P4D 12bbce067 PUD 12bc40067 PMD 0
Oops: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 27942 Comm: syz-executor.0 Not tainted 6.1.0-rc5-next-20221118 #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.13.0-48-gd9c812dda519-prebuilt.qemu.org 04/01/2014
RIP: 0010:sk_user_ns include/net/sock.h:920 [inline]
RIP: 0010:sk_diag_dump_uid net/unix/diag.c:119 [inline]
RIP: 0010:sk_diag_fill+0x77d/0x890 net/unix/diag.c:170
Code: 89 ef e8 66 d4 2d fd c7 44 24 40 00 00 00 00 49 8d 7c 24 18 e8
54 d7 2d fd 49 8b 5c 24 18 48 8d bb 70 02 00 00 e8 43 d7 2d fd <48> 8b
9b 70 02 00 00 48 8d 7b 10 e8 33 d7 2d fd 48 8b 5b 10 48 8d
RSP: 0018:ffffc90000d67968 EFLAGS: 00010246
RAX: ffff88812badaa48 RBX: 0000000000000000 RCX: ffffffff840d481d
RDX: 0000000000000465 RSI: 0000000000000000 RDI: 0000000000000270
RBP: ffffc90000d679a8 R08: 0000000000000277 R09: 0000000000000000
R10: 0001ffffffffffff R11: 0001c90000d679a8 R12: ffff88812ac03800
R13: ffff88812c87c400 R14: ffff88812ae42210 R15: ffff888103026940
FS: 00007f08b4e6f700(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000270 CR3: 000000012c58b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
unix_diag_get_exact net/unix/diag.c:285 [inline]
unix_diag_handler_dump+0x3f9/0x500 net/unix/diag.c:317
__sock_diag_cmd net/core/sock_diag.c:235 [inline]
sock_diag_rcv_msg+0x237/0x250 net/core/sock_diag.c:266
netlink_rcv_skb+0x13e/0x250 net/netlink/af_netlink.c:2564
sock_diag_rcv+0x24/0x40 net/core/sock_diag.c:277
netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
netlink_unicast+0x5e9/0x6b0 net/netlink/af_netlink.c:1356
netlink_sendmsg+0x739/0x860 net/netlink/af_netlink.c:1932
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg net/socket.c:734 [inline]
____sys_sendmsg+0x38f/0x500 net/socket.c:2476
___sys_sendmsg net/socket.c:2530 [inline]
__sys_sendmsg+0x197/0x230 net/socket.c:2559
__do_sys_sendmsg net/socket.c:2568 [inline]
__se_sys_sendmsg net/socket.c:2566 [inline]
__x64_sys_sendmsg+0x42/0x50 net/socket.c:2566
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x4697f9
Code: f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 48 89 f8 48
89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d
01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f08b4e6ec48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000077bf80 RCX: 00000000004697f9
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 00000000004d29e9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000077bf80
R13: 0000000000000000 R14: 000000000077bf80 R15: 00007ffdb36bc6c0
</TASK>
Modules linked in:
CR2: 0000000000000270
[1]: https://lore.kernel.org/netdev/CAO4mrfdvyjFpokhNsiwZiP-wpdSD0AStcJwfKcKQdAALQ9_2Qw@mail.gmail.com/
[2]: https://lore.kernel.org/netdev/e04315e7c90d9a75613f3993c2baf2d344eef7eb.camel@redhat.com/
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Get user_ns from in_skb in unix_diag_get_exact().\n\nWei Chen reported a NULL deref in sk_user_ns() [0][1], and Paolo diagnosed\nthe root cause: in unix_diag_get_exact(), the newly allocated skb does not\nhave sk. [2]\n\nWe must get the user_ns from the NETLINK_CB(in_skb).sk and pass it to\nsk_diag_fill().\n\n[0]:\nBUG: kernel NULL pointer dereference, address: 0000000000000270\n#PF: supervisor read access in kernel mode\n#PF: error_code(0x0000) - not-present page\nPGD 12bbce067 P4D 12bbce067 PUD 12bc40067 PMD 0\nOops: 0000 [#1] PREEMPT SMP\nCPU: 0 PID: 27942 Comm: syz-executor.0 Not tainted 6.1.0-rc5-next-20221118 #2\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.13.0-48-gd9c812dda519-prebuilt.qemu.org 04/01/2014\nRIP: 0010:sk_user_ns include/net/sock.h:920 [inline]\nRIP: 0010:sk_diag_dump_uid net/unix/diag.c:119 [inline]\nRIP: 0010:sk_diag_fill+0x77d/0x890 net/unix/diag.c:170\nCode: 89 ef e8 66 d4 2d fd c7 44 24 40 00 00 00 00 49 8d 7c 24 18 e8\n54 d7 2d fd 49 8b 5c 24 18 48 8d bb 70 02 00 00 e8 43 d7 2d fd \u003c48\u003e 8b\n9b 70 02 00 00 48 8d 7b 10 e8 33 d7 2d fd 48 8b 5b 10 48 8d\nRSP: 0018:ffffc90000d67968 EFLAGS: 00010246\nRAX: ffff88812badaa48 RBX: 0000000000000000 RCX: ffffffff840d481d\nRDX: 0000000000000465 RSI: 0000000000000000 RDI: 0000000000000270\nRBP: ffffc90000d679a8 R08: 0000000000000277 R09: 0000000000000000\nR10: 0001ffffffffffff R11: 0001c90000d679a8 R12: ffff88812ac03800\nR13: ffff88812c87c400 R14: ffff88812ae42210 R15: ffff888103026940\nFS: 00007f08b4e6f700(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000270 CR3: 000000012c58b000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n unix_diag_get_exact net/unix/diag.c:285 [inline]\n unix_diag_handler_dump+0x3f9/0x500 net/unix/diag.c:317\n __sock_diag_cmd net/core/sock_diag.c:235 [inline]\n sock_diag_rcv_msg+0x237/0x250 net/core/sock_diag.c:266\n netlink_rcv_skb+0x13e/0x250 net/netlink/af_netlink.c:2564\n sock_diag_rcv+0x24/0x40 net/core/sock_diag.c:277\n netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]\n netlink_unicast+0x5e9/0x6b0 net/netlink/af_netlink.c:1356\n netlink_sendmsg+0x739/0x860 net/netlink/af_netlink.c:1932\n sock_sendmsg_nosec net/socket.c:714 [inline]\n sock_sendmsg net/socket.c:734 [inline]\n ____sys_sendmsg+0x38f/0x500 net/socket.c:2476\n ___sys_sendmsg net/socket.c:2530 [inline]\n __sys_sendmsg+0x197/0x230 net/socket.c:2559\n __do_sys_sendmsg net/socket.c:2568 [inline]\n __se_sys_sendmsg net/socket.c:2566 [inline]\n __x64_sys_sendmsg+0x42/0x50 net/socket.c:2566\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x4697f9\nCode: f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 48 89 f8 48\n89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d\n01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f08b4e6ec48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 000000000077bf80 RCX: 00000000004697f9\nRDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003\nRBP: 00000000004d29e9 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 000000000077bf80\nR13: 0000000000000000 R14: 000000000077bf80 R15: 00007ffdb36bc6c0\n \u003c/TASK\u003e\nModules linked in:\nCR2: 0000000000000270\n\n[1]: https://lore.kernel.org/netdev/CAO4mrfdvyjFpokhNsiwZiP-wpdSD0AStcJwfKcKQdAALQ9_2Qw@mail.gmail.com/\n[2]: https://lore.kernel.org/netdev/e04315e7c90d9a75613f3993c2baf2d344eef7eb.camel@redhat.com/"
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CVE-2024-44932 (GCVE-0-2024-44932)
Vulnerability from cvelistv5
Published
2024-08-26 10:11
Modified
2026-05-11 20:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
idpf: fix UAFs when destroying the queues
The second tagged commit started sometimes (very rarely, but possible)
throwing WARNs from
net/core/page_pool.c:page_pool_disable_direct_recycling().
Turned out idpf frees interrupt vectors with embedded NAPIs *before*
freeing the queues making page_pools' NAPI pointers lead to freed
memory before these pools are destroyed by libeth.
It's not clear whether there are other accesses to the freed vectors
when destroying the queues, but anyway, we usually free queue/interrupt
vectors only when the queues are destroyed and the NAPIs are guaranteed
to not be referenced anywhere.
Invert the allocation and freeing logic making queue/interrupt vectors
be allocated first and freed last. Vectors don't require queues to be
present, so this is safe. Additionally, this change allows to remove
that useless queue->q_vector pointer cleanup, as vectors are still
valid when freeing the queues (+ both are freed within one function,
so it's not clear why nullify the pointers at all).
References
Impacted products
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CVE-2022-48979 (GCVE-0-2022-48979)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-08-12 23:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: fix array index out of bound error in DCN32 DML
[Why&How]
LinkCapacitySupport array is indexed with the number of voltage states and
not the number of max DPPs. Fix the error by changing the array
declaration to use the correct (larger) array size of total number of
voltage states.
References
Impacted products
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"value": "AV:L - The bug is reached via DRM atomic modesetting (DRM_IOCTL_MODE_ATOMIC) into amdgpu_dm validation and DCN32 DML (dml32_ModeSupportAndSystemConfigurationFull); exploitation requires local access to the DRM device, not network or adjacent-network reachability.\nAC:L - On affected DCN32 hardware, synthetic/legacy SOC state construction routinely builds more than DC__NUM_DPP__MAX (8) voltage states (up to DC__VOLTAGE_STATES=20), so mode validation reliably indexes past the undersized LinkCapacitySupport array with no race or attacker-uncontrollable condition.\nPR:L - Triggering requires DRM master for atomic modeset, which an unprivileged local user with seat/video access can obtain (first opener of the primary node becomes master without CAP_SYS_ADMIN; compositors also run as the logged-in user), matching other amd/display OOB scores.\nUI:N - The attacker initiates the modeset/ioctl themselves; no separate victim action is required.\nS:U - Impact is confined to kernel memory within the same host security authority (standard local kernel memory corruption / privilege-escalation scope), with no VM escape or IOMMU boundary crossing.\nC:H - Out-of-bounds indexing of LinkCapacitySupport both writes past the array into adjacent vba_vars_st fields and reads those adjacent bytes as mode-support flags; kernel memory corruption of this class is treated as enabling high confidentiality impact.\nI:H - The bug is an out-of-bounds write of bool values into neighboring DML state (VREADY_AT_OR_AFTER_VSYNC, MIN_DST_Y_NEXT_START, and beyond), which is kernel memory corruption usable for integrity impact and control-flow/state corruption.\nA:H - Corrupting adjacent mode-programming state can cause kernel oops/panic or otherwise fatal misbehavior during display bandwidth validation and subsequent programming."
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CVE-2024-49892 (GCVE-0-2024-49892)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Initialize get_bytes_per_element's default to 1
Variables, used as denominators and maybe not assigned to other values,
should not be 0. bytes_per_element_y & bytes_per_element_c are
initialized by get_bytes_per_element() which should never return 0.
This fixes 10 DIVIDE_BY_ZERO issues reported by Coverity.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
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CVE-2024-47747 (GCVE-0-2024-47747)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition
In the ether3_probe function, a timer is initialized with a callback
function ether3_ledoff, bound to &prev(dev)->timer. Once the timer is
started, there is a risk of a race condition if the module or device
is removed, triggering the ether3_remove function to perform cleanup.
The sequence of operations that may lead to a UAF bug is as follows:
CPU0 CPU1
| ether3_ledoff
ether3_remove |
free_netdev(dev); |
put_devic |
kfree(dev); |
| ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2);
| // use dev
Fix it by ensuring that the timer is canceled before proceeding with
the cleanup in ether3_remove.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 6fd9c53f71862a4797b7ed8a5de80e2c64829f56 Version: 6fd9c53f71862a4797b7ed8a5de80e2c64829f56 Version: 6fd9c53f71862a4797b7ed8a5de80e2c64829f56 Version: 6fd9c53f71862a4797b7ed8a5de80e2c64829f56 Version: 6fd9c53f71862a4797b7ed8a5de80e2c64829f56 Version: 6fd9c53f71862a4797b7ed8a5de80e2c64829f56 Version: 6fd9c53f71862a4797b7ed8a5de80e2c64829f56 Version: 6fd9c53f71862a4797b7ed8a5de80e2c64829f56 Version: 6fd9c53f71862a4797b7ed8a5de80e2c64829f56 |
||
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CVE-2022-49021 (GCVE-0-2022-49021)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: phy: fix null-ptr-deref while probe() failed
I got a null-ptr-deref report as following when doing fault injection test:
BUG: kernel NULL pointer dereference, address: 0000000000000058
Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 253 Comm: 507-spi-dm9051 Tainted: G B N 6.1.0-rc3+
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
RIP: 0010:klist_put+0x2d/0xd0
Call Trace:
<TASK>
klist_remove+0xf1/0x1c0
device_release_driver_internal+0x23e/0x2d0
bus_remove_device+0x1bd/0x240
device_del+0x357/0x770
phy_device_remove+0x11/0x30
mdiobus_unregister+0xa5/0x140
release_nodes+0x6a/0xa0
devres_release_all+0xf8/0x150
device_unbind_cleanup+0x19/0xd0
//probe path:
phy_device_register()
device_add()
phy_connect
phy_attach_direct() //set device driver
probe() //it's failed, driver is not bound
device_bind_driver() // probe failed, it's not called
//remove path:
phy_device_remove()
device_del()
device_release_driver_internal()
__device_release_driver() //dev->drv is not NULL
klist_remove() <- knode_driver is not added yet, cause null-ptr-deref
In phy_attach_direct(), after setting the 'dev->driver', probe() fails,
device_bind_driver() is not called, so the knode_driver->n_klist is not
set, then it causes null-ptr-deref in __device_release_driver() while
deleting device. Fix this by setting dev->driver to NULL in the error
path in phy_attach_direct().
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e13934563db047043ccead26412f552375cea90c Version: e13934563db047043ccead26412f552375cea90c Version: e13934563db047043ccead26412f552375cea90c Version: e13934563db047043ccead26412f552375cea90c Version: e13934563db047043ccead26412f552375cea90c Version: e13934563db047043ccead26412f552375cea90c Version: e13934563db047043ccead26412f552375cea90c Version: e13934563db047043ccead26412f552375cea90c |
||
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CVE-2024-36968 (GCVE-0-2024-36968)
Vulnerability from cvelistv5
Published
2024-06-08 12:53
Modified
2026-08-05 11:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()
l2cap_le_flowctl_init() can cause both div-by-zero and an integer
overflow since hdev->le_mtu may not fall in the valid range.
Move MTU from hci_dev to hci_conn to validate MTU and stop the connection
process earlier if MTU is invalid.
Also, add a missing validation in read_buffer_size() and make it return
an error value if the validation fails.
Now hci_conn_add() returns ERR_PTR() as it can fail due to the both a
kzalloc failure and invalid MTU value.
divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 67 Comm: kworker/u5:0 Tainted: G W 6.9.0-rc5+ #20
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: hci0 hci_rx_work
RIP: 0010:l2cap_le_flowctl_init+0x19e/0x3f0 net/bluetooth/l2cap_core.c:547
Code: e8 17 17 0c 00 66 41 89 9f 84 00 00 00 bf 01 00 00 00 41 b8 02 00 00 00 4c
89 fe 4c 89 e2 89 d9 e8 27 17 0c 00 44 89 f0 31 d2 <66> f7 f3 89 c3 ff c3 4d 8d
b7 88 00 00 00 4c 89 f0 48 c1 e8 03 42
RSP: 0018:ffff88810bc0f858 EFLAGS: 00010246
RAX: 00000000000002a0 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffff88810bc0f7c0 RDI: ffffc90002dcb66f
RBP: ffff88810bc0f880 R08: aa69db2dda70ff01 R09: 0000ffaaaaaaaaaa
R10: 0084000000ffaaaa R11: 0000000000000000 R12: ffff88810d65a084
R13: dffffc0000000000 R14: 00000000000002a0 R15: ffff88810d65a000
FS: 0000000000000000(0000) GS:ffff88811ac00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 0000000103268003 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
<TASK>
l2cap_le_connect_req net/bluetooth/l2cap_core.c:4902 [inline]
l2cap_le_sig_cmd net/bluetooth/l2cap_core.c:5420 [inline]
l2cap_le_sig_channel net/bluetooth/l2cap_core.c:5486 [inline]
l2cap_recv_frame+0xe59d/0x11710 net/bluetooth/l2cap_core.c:6809
l2cap_recv_acldata+0x544/0x10a0 net/bluetooth/l2cap_core.c:7506
hci_acldata_packet net/bluetooth/hci_core.c:3939 [inline]
hci_rx_work+0x5e5/0xb20 net/bluetooth/hci_core.c:4176
process_one_work kernel/workqueue.c:3254 [inline]
process_scheduled_works+0x90f/0x1530 kernel/workqueue.c:3335
worker_thread+0x926/0xe70 kernel/workqueue.c:3416
kthread+0x2e3/0x380 kernel/kthread.c:388
ret_from_fork+0x5c/0x90 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()\n\nl2cap_le_flowctl_init() can cause both div-by-zero and an integer\noverflow since hdev-\u003ele_mtu may not fall in the valid range.\n\nMove MTU from hci_dev to hci_conn to validate MTU and stop the connection\nprocess earlier if MTU is invalid.\nAlso, add a missing validation in read_buffer_size() and make it return\nan error value if the validation fails.\nNow hci_conn_add() returns ERR_PTR() as it can fail due to the both a\nkzalloc failure and invalid MTU value.\n\ndivide error: 0000 [#1] PREEMPT SMP KASAN NOPTI\nCPU: 0 PID: 67 Comm: kworker/u5:0 Tainted: G W 6.9.0-rc5+ #20\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nWorkqueue: hci0 hci_rx_work\nRIP: 0010:l2cap_le_flowctl_init+0x19e/0x3f0 net/bluetooth/l2cap_core.c:547\nCode: e8 17 17 0c 00 66 41 89 9f 84 00 00 00 bf 01 00 00 00 41 b8 02 00 00 00 4c\n89 fe 4c 89 e2 89 d9 e8 27 17 0c 00 44 89 f0 31 d2 \u003c66\u003e f7 f3 89 c3 ff c3 4d 8d\nb7 88 00 00 00 4c 89 f0 48 c1 e8 03 42\nRSP: 0018:ffff88810bc0f858 EFLAGS: 00010246\nRAX: 00000000000002a0 RBX: 0000000000000000 RCX: dffffc0000000000\nRDX: 0000000000000000 RSI: ffff88810bc0f7c0 RDI: ffffc90002dcb66f\nRBP: ffff88810bc0f880 R08: aa69db2dda70ff01 R09: 0000ffaaaaaaaaaa\nR10: 0084000000ffaaaa R11: 0000000000000000 R12: ffff88810d65a084\nR13: dffffc0000000000 R14: 00000000000002a0 R15: ffff88810d65a000\nFS: 0000000000000000(0000) GS:ffff88811ac00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000020000100 CR3: 0000000103268003 CR4: 0000000000770ef0\nPKRU: 55555554\nCall Trace:\n \u003cTASK\u003e\n l2cap_le_connect_req net/bluetooth/l2cap_core.c:4902 [inline]\n l2cap_le_sig_cmd net/bluetooth/l2cap_core.c:5420 [inline]\n l2cap_le_sig_channel net/bluetooth/l2cap_core.c:5486 [inline]\n l2cap_recv_frame+0xe59d/0x11710 net/bluetooth/l2cap_core.c:6809\n l2cap_recv_acldata+0x544/0x10a0 net/bluetooth/l2cap_core.c:7506\n hci_acldata_packet net/bluetooth/hci_core.c:3939 [inline]\n hci_rx_work+0x5e5/0xb20 net/bluetooth/hci_core.c:4176\n process_one_work kernel/workqueue.c:3254 [inline]\n process_scheduled_works+0x90f/0x1530 kernel/workqueue.c:3335\n worker_thread+0x926/0xe70 kernel/workqueue.c:3416\n kthread+0x2e3/0x380 kernel/kthread.c:388\n ret_from_fork+0x5c/0x90 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n \u003c/TASK\u003e\nModules linked in:\n---[ end trace 0000000000000000 ]---"
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"value": "AV:A - The crash executes in `hci_rx_work` on receipt of an L2CAP LE Credit Based Connection Request from a Bluetooth LE peer in radio range, and the malformed buffer-size value originates from the HCI controller/transport \u2014 both are adjacent-network (Bluetooth PAN) attack surfaces, not routable network or purely local ones.\nAC:L - Nothing is probabilistic or beyond attacker control: an attacker owning the HCI transport (rogue USB/UART dongle or over-the-air-compromised controller firmware) sets `le_mtu` deterministically, and on a device whose controller reports an out-of-spec LE buffer size a single unauthenticated L2CAP packet triggers it on the first try.\nPR:N - `l2cap_le_connect_req()` is handled on the LE signalling channel and `smp_sufficient_security()` returns true immediately for the default `BT_SECURITY_LOW`, so no pairing, bonding, encryption or any local account is required.\nUI:N - The divide error occurs entirely inside the kernel receive workqueue when the L2CAP connect request is processed; no victim action such as accepting a pairing prompt or opening a file is involved.\nS:U - The faulting code and its impact are both inside the kernel\u0027s own security authority \u2014 no VM, IOMMU, or sandbox boundary is crossed.\nC:L - The unvalidated MTU underflows size computations in `l2cap_create_basic_pdu()` (`conn-\u003emtu - L2CAP_HDR_SIZE`) and `l2cap_segment_sdu()` (size_t `pdu_len`) and inflates `chan-\u003emps` past the real link MTU, giving bounded length confusion in L2CAP PDU construction plus register/state exposure in the oops, rather than an arbitrary read primitive.\nI:L - The same u16/size_t underflows let malformed, oversized L2CAP PDUs and credit values be built and transmitted with sizes partly steered by the peer\u0027s `remote_mps`, corrupting protocol state in a limited way short of an arbitrary kernel write.\nA:H - The `mps == 0` case is a hard divide error oops in the `hci_rx_work` kernel workqueue (fatal panic with panic_on_oops, dead Bluetooth stack otherwise), and the related `iso_mtu == 0` path spins forever in `iso_sock_sendmsg()` allocating skbs \u2014 an unrecoverable hang."
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CVE-2024-46859 (GCVE-0-2024-46859)
Vulnerability from cvelistv5
Published
2024-09-27 12:42
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: panasonic-laptop: Fix SINF array out of bounds accesses
The panasonic laptop code in various places uses the SINF array with index
values of 0 - SINF_CUR_BRIGHT(0x0d) without checking that the SINF array
is big enough.
Not all panasonic laptops have this many SINF array entries, for example
the Toughbook CF-18 model only has 10 SINF array entries. So it only
supports the AC+DC brightness entries and mute.
Check that the SINF array has a minimum size which covers all AC+DC
brightness entries and refuse to load if the SINF array is smaller.
For higher SINF indexes hide the sysfs attributes when the SINF array
does not contain an entry for that attribute, avoiding show()/store()
accessing the array out of bounds and add bounds checking to the probe()
and resume() code accessing these.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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"value": "AV:L - The out-of-bounds accesses are reached through sysfs attribute files under /sys/bus/acpi/devices/MAT00xx:00/ on the affected Panasonic laptop, which require local access to the machine (an ordinary read()/write() on a device file). There is no network or remote-peer path into this ACPI platform driver.\nAC:L - On an affected system the attacker simply reads the sysfs attribute and the driver indexes past the end of pcc-\u003esinf every single time \u2014 no race, no timing window, and no memory-layout grooming is needed for the read primitive. The short SINF array is a fixed property of the target\u0027s firmware (the vulnerable configuration being scored), not a per-attempt condition the attacker must win.\nPR:L - The affected attributes are created with DEVICE_ATTR_RW, i.e. mode 0644, so mute_show(), eco_mode_show() and current_brightness_show() are world-readable and any unprivileged local account can trigger the out-of-bounds reads and have the leaked u32 returned to it. No capability, no group membership, and no namespace tricks are required.\nUI:N - Exploitation is a self-contained read (or write) of a sysfs file by the attacker\u0027s own process; no victim has to log in, open a file, mount anything, or take any other action. The probe-time and resume-time out-of-bounds accesses likewise occur without any deliberate user step.\nS:U - The corrupted and disclosed memory is kernel slab memory belonging to the same kernel security authority that hosts the driver. There is no crossing of a hypervisor, IOMMU, or sandbox boundary.\nC:H - current_brightness_show() and mute_show() emit the out-of-bounds u32 directly to userspace via sysfs_emit(), giving an unprivileged local user a repeatable kernel-heap read primitive that can be sampled arbitrarily often to harvest adjacent slab contents (kernel pointers, other objects\u0027 data) for KASLR defeat and further exploitation. When SQTY reports a very small count the read at index 0x0D lands dozens of bytes past a tiny kmalloc-8 allocation, spanning several neighbouring slab objects.\nI:H - eco_mode_store() performs an out-of-bounds heap write (pcc-\u003esinf[SINF_ECO_MODE] = 0/1) whenever the SINF array is shorter than 11 entries, corrupting adjacent slab objects; per kernel scoring guidance an out-of-bounds write is High because attacker-chosen heap grooming can place a security-relevant structure at the overwritten offset and turn it into a control-flow or privilege primitive.\nA:H - The out-of-bounds slab accesses trip KASAN/slub_debug redzone checks, which on hardened or panic_on_warn configurations bring the machine down, and the out-of-bounds write can corrupt neighbouring slab metadata or objects leading to an oops or panic. Per kernel guidance any such crash is scored High."
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CVE-2024-49903 (GCVE-0-2024-49903)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-12 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
jfs: Fix uaf in dbFreeBits
[syzbot reported]
==================================================================
BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline]
BUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752
Read of size 8 at addr ffff8880229254b0 by task syz-executor357/5216
CPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
__mutex_lock_common kernel/locking/mutex.c:587 [inline]
__mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752
dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390
dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline]
dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409
dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650
jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100
jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
Freed by task 5218:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
__kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2252 [inline]
slab_free mm/slub.c:4473 [inline]
kfree+0x149/0x360 mm/slub.c:4594
dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278
jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247
jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454
reconfigure_super+0x445/0x880 fs/super.c:1083
vfs_cmd_reconfigure fs/fsopen.c:263 [inline]
vfs_fsconfig_locked fs/fsopen.c:292 [inline]
__do_sys_fsconfig fs/fsopen.c:473 [inline]
__se_sys_fsconfig+0xb6e/0xf80 fs/fsopen.c:345
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
[Analysis]
There are two paths (dbUnmount and jfs_ioc_trim) that generate race
condition when accessing bmap, which leads to the occurrence of uaf.
Use the lock s_umount to synchronize them, in order to avoid uaf caused
by race condition.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b40c2e665cd552eae5fbdbb878bc29a34357668e Version: b40c2e665cd552eae5fbdbb878bc29a34357668e Version: b40c2e665cd552eae5fbdbb878bc29a34357668e Version: b40c2e665cd552eae5fbdbb878bc29a34357668e Version: b40c2e665cd552eae5fbdbb878bc29a34357668e Version: b40c2e665cd552eae5fbdbb878bc29a34357668e Version: b40c2e665cd552eae5fbdbb878bc29a34357668e Version: b40c2e665cd552eae5fbdbb878bc29a34357668e Version: b40c2e665cd552eae5fbdbb878bc29a34357668e |
||
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CVE-2024-50003 (GCVE-0-2024-50003)
Vulnerability from cvelistv5
Published
2024-10-21 18:53
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix system hang while resume with TBT monitor
[Why]
Connected with a Thunderbolt monitor and do the suspend and the system
may hang while resume.
The TBT monitor HPD will be triggered during the resume procedure
and call the drm_client_modeset_probe() while
struct drm_connector connector->dev->master is NULL.
It will mess up the pipe topology after resume.
[How]
Skip the TBT monitor HPD during the resume procedure because we
currently will probe the connectors after resume by default.
(cherry picked from commit 453f86a26945207a16b8f66aaed5962dc2b95b85)
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
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CVE-2024-53043 (GCVE-0-2024-53043)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mctp i2c: handle NULL header address
daddr can be NULL if there is no neighbour table entry present,
in that case the tx packet should be dropped.
saddr will usually be set by MCTP core, but check for NULL in case a
packet is transmitted by a different protocol.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49930 (GCVE-0-2024-49930)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath11k: fix array out-of-bound access in SoC stats
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maximum size of DP_REO_DST_RING_MAX. However, the ath11k_dp_process_rx()
function access ath11k_soc_dp_stats::hal_reo_error using the REO
destination SRNG ring ID, which is incorrect. SRNG ring ID differ from
normal ring ID, and this usage leads to out-of-bounds array access. To fix
this issue, modify ath11k_dp_process_rx() to use the normal ring ID
directly instead of the SRNG ring ID to avoid out-of-bounds array access.
Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-49907 (GCVE-0-2024-49907)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check null pointers before using dc->clk_mgr
[WHY & HOW]
dc->clk_mgr is null checked previously in the same function, indicating
it might be null.
Passing "dc" to "dc->hwss.apply_idle_power_optimizations", which
dereferences null "dc->clk_mgr". (The function pointer resolves to
"dcn35_apply_idle_power_optimizations".)
This fixes 1 FORWARD_NULL issue reported by Coverity.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
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CVE-2024-50187 (GCVE-0-2024-50187)
Vulnerability from cvelistv5
Published
2024-11-08 05:38
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/vc4: Stop the active perfmon before being destroyed
Upon closing the file descriptor, the active performance monitor is not
stopped. Although all perfmons are destroyed in `vc4_perfmon_close_file()`,
the active performance monitor's pointer (`vc4->active_perfmon`) is still
retained.
If we open a new file descriptor and submit a few jobs with performance
monitors, the driver will attempt to stop the active performance monitor
using the stale pointer in `vc4->active_perfmon`. However, this pointer
is no longer valid because the previous process has already terminated,
and all performance monitors associated with it have been destroyed and
freed.
To fix this, when the active performance monitor belongs to a given
process, explicitly stop it before destroying and freeing it.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47714 (GCVE-0-2024-47714)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7996: use hweight16 to get correct tx antenna
The chainmask is u16 so using hweight8 cannot get correct tx_ant.
Without this patch, the tx_ant of band 2 would be -1 and lead to the
following issue:
BUG: KASAN: stack-out-of-bounds in mt7996_mcu_add_sta+0x12e0/0x16e0 [mt7996e]
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49877 (GCVE-0-2024-49877)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger
NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if
bh is NULL.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 6c150df9c2e80b5cf86f5a0d98beb7390ad63bfc Version: cf76c78595ca87548ca5e45c862ac9e0949c4687 Version: cf76c78595ca87548ca5e45c862ac9e0949c4687 Version: cf76c78595ca87548ca5e45c862ac9e0949c4687 Version: cf76c78595ca87548ca5e45c862ac9e0949c4687 Version: cf76c78595ca87548ca5e45c862ac9e0949c4687 Version: cf76c78595ca87548ca5e45c862ac9e0949c4687 Version: cf76c78595ca87548ca5e45c862ac9e0949c4687 Version: cf76c78595ca87548ca5e45c862ac9e0949c4687 Version: 01f93d5e36753fc4d06ec67f05ce78c9c6f2dd56 Version: 65cbd1279f4b999d56a838344a30642db24cd215 Version: 97e1db17bc1ef4c2e1789bc9323c7be44fba53f8 Version: 4.19.87 ≤ Version: 4.4.204 ≤ Version: 4.9.204 ≤ Version: 4.14.157 ≤ |
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"url": "https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391e"
}
],
"title": "ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate",
"x_generator": {
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}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-49877",
"datePublished": "2024-10-21T18:01:16.788Z",
"dateReserved": "2024-10-21T12:17:06.021Z",
"dateUpdated": "2026-05-23T15:53:59.763Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-50045 (GCVE-0-2024-50045)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: br_netfilter: fix panic with metadata_dst skb
Fix a kernel panic in the br_netfilter module when sending untagged
traffic via a VxLAN device.
This happens during the check for fragmentation in br_nf_dev_queue_xmit.
It is dependent on:
1) the br_netfilter module being loaded;
2) net.bridge.bridge-nf-call-iptables set to 1;
3) a bridge with a VxLAN (single-vxlan-device) netdevice as a bridge port;
4) untagged frames with size higher than the VxLAN MTU forwarded/flooded
When forwarding the untagged packet to the VxLAN bridge port, before
the netfilter hooks are called, br_handle_egress_vlan_tunnel is called and
changes the skb_dst to the tunnel dst. The tunnel_dst is a metadata type
of dst, i.e., skb_valid_dst(skb) is false, and metadata->dst.dev is NULL.
Then in the br_netfilter hooks, in br_nf_dev_queue_xmit, there's a check
for frames that needs to be fragmented: frames with higher MTU than the
VxLAN device end up calling br_nf_ip_fragment, which in turns call
ip_skb_dst_mtu.
The ip_dst_mtu tries to use the skb_dst(skb) as if it was a valid dst
with valid dst->dev, thus the crash.
This case was never supported in the first place, so drop the packet
instead.
PING 10.0.0.2 (10.0.0.2) from 0.0.0.0 h1-eth0: 2000(2028) bytes of data.
[ 176.291791] Unable to handle kernel NULL pointer dereference at
virtual address 0000000000000110
[ 176.292101] Mem abort info:
[ 176.292184] ESR = 0x0000000096000004
[ 176.292322] EC = 0x25: DABT (current EL), IL = 32 bits
[ 176.292530] SET = 0, FnV = 0
[ 176.292709] EA = 0, S1PTW = 0
[ 176.292862] FSC = 0x04: level 0 translation fault
[ 176.293013] Data abort info:
[ 176.293104] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
[ 176.293488] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 176.293787] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 176.293995] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000043ef5000
[ 176.294166] [0000000000000110] pgd=0000000000000000,
p4d=0000000000000000
[ 176.294827] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
[ 176.295252] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel veth
br_netfilter bridge stp llc ipv6 crct10dif_ce
[ 176.295923] CPU: 0 PID: 188 Comm: ping Not tainted
6.8.0-rc3-g5b3fbd61b9d1 #2
[ 176.296314] Hardware name: linux,dummy-virt (DT)
[ 176.296535] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS
BTYPE=--)
[ 176.296808] pc : br_nf_dev_queue_xmit+0x390/0x4ec [br_netfilter]
[ 176.297382] lr : br_nf_dev_queue_xmit+0x2ac/0x4ec [br_netfilter]
[ 176.297636] sp : ffff800080003630
[ 176.297743] x29: ffff800080003630 x28: 0000000000000008 x27:
ffff6828c49ad9f8
[ 176.298093] x26: ffff6828c49ad000 x25: 0000000000000000 x24:
00000000000003e8
[ 176.298430] x23: 0000000000000000 x22: ffff6828c4960b40 x21:
ffff6828c3b16d28
[ 176.298652] x20: ffff6828c3167048 x19: ffff6828c3b16d00 x18:
0000000000000014
[ 176.298926] x17: ffffb0476322f000 x16: ffffb7e164023730 x15:
0000000095744632
[ 176.299296] x14: ffff6828c3f1c880 x13: 0000000000000002 x12:
ffffb7e137926a70
[ 176.299574] x11: 0000000000000001 x10: ffff6828c3f1c898 x9 :
0000000000000000
[ 176.300049] x8 : ffff6828c49bf070 x7 : 0008460f18d5f20e x6 :
f20e0100bebafeca
[ 176.300302] x5 : ffff6828c7f918fe x4 : ffff6828c49bf070 x3 :
0000000000000000
[ 176.300586] x2 : 0000000000000000 x1 : ffff6828c3c7ad00 x0 :
ffff6828c7f918f0
[ 176.300889] Call trace:
[ 176.301123] br_nf_dev_queue_xmit+0x390/0x4ec [br_netfilter]
[ 176.301411] br_nf_post_routing+0x2a8/0x3e4 [br_netfilter]
[ 176.301703] nf_hook_slow+0x48/0x124
[ 176.302060] br_forward_finish+0xc8/0xe8 [bridge]
[ 176.302371] br_nf_hook_thresh+0x124/0x134 [br_netfilter]
[ 176.302605] br_nf_forward_finish+0x118/0x22c [br_netfilter]
[ 176.302824] br_nf_forward_ip.part.0+0x264/0x290 [br_netfilter]
[ 176.303136] br_nf_forward+0x2b8/0x4e0 [br_netfilter]
[ 176.303359] nf_hook_slow+0x48/0x124
[ 176.303
---truncated---
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 11538d039ac6efcf4f1a6c536e1b87cd3668a9fd Version: 11538d039ac6efcf4f1a6c536e1b87cd3668a9fd Version: 11538d039ac6efcf4f1a6c536e1b87cd3668a9fd Version: 11538d039ac6efcf4f1a6c536e1b87cd3668a9fd Version: 11538d039ac6efcf4f1a6c536e1b87cd3668a9fd Version: 11538d039ac6efcf4f1a6c536e1b87cd3668a9fd Version: 11538d039ac6efcf4f1a6c536e1b87cd3668a9fd Version: 11538d039ac6efcf4f1a6c536e1b87cd3668a9fd |
||
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: br_netfilter: fix panic with metadata_dst skb\n\nFix a kernel panic in the br_netfilter module when sending untagged\ntraffic via a VxLAN device.\nThis happens during the check for fragmentation in br_nf_dev_queue_xmit.\n\nIt is dependent on:\n1) the br_netfilter module being loaded;\n2) net.bridge.bridge-nf-call-iptables set to 1;\n3) a bridge with a VxLAN (single-vxlan-device) netdevice as a bridge port;\n4) untagged frames with size higher than the VxLAN MTU forwarded/flooded\n\nWhen forwarding the untagged packet to the VxLAN bridge port, before\nthe netfilter hooks are called, br_handle_egress_vlan_tunnel is called and\nchanges the skb_dst to the tunnel dst. The tunnel_dst is a metadata type\nof dst, i.e., skb_valid_dst(skb) is false, and metadata-\u003edst.dev is NULL.\n\nThen in the br_netfilter hooks, in br_nf_dev_queue_xmit, there\u0027s a check\nfor frames that needs to be fragmented: frames with higher MTU than the\nVxLAN device end up calling br_nf_ip_fragment, which in turns call\nip_skb_dst_mtu.\n\nThe ip_dst_mtu tries to use the skb_dst(skb) as if it was a valid dst\nwith valid dst-\u003edev, thus the crash.\n\nThis case was never supported in the first place, so drop the packet\ninstead.\n\nPING 10.0.0.2 (10.0.0.2) from 0.0.0.0 h1-eth0: 2000(2028) bytes of data.\n[ 176.291791] Unable to handle kernel NULL pointer dereference at\nvirtual address 0000000000000110\n[ 176.292101] Mem abort info:\n[ 176.292184] ESR = 0x0000000096000004\n[ 176.292322] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 176.292530] SET = 0, FnV = 0\n[ 176.292709] EA = 0, S1PTW = 0\n[ 176.292862] FSC = 0x04: level 0 translation fault\n[ 176.293013] Data abort info:\n[ 176.293104] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n[ 176.293488] CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n[ 176.293787] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n[ 176.293995] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000043ef5000\n[ 176.294166] [0000000000000110] pgd=0000000000000000,\np4d=0000000000000000\n[ 176.294827] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n[ 176.295252] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel veth\nbr_netfilter bridge stp llc ipv6 crct10dif_ce\n[ 176.295923] CPU: 0 PID: 188 Comm: ping Not tainted\n6.8.0-rc3-g5b3fbd61b9d1 #2\n[ 176.296314] Hardware name: linux,dummy-virt (DT)\n[ 176.296535] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS\nBTYPE=--)\n[ 176.296808] pc : br_nf_dev_queue_xmit+0x390/0x4ec [br_netfilter]\n[ 176.297382] lr : br_nf_dev_queue_xmit+0x2ac/0x4ec [br_netfilter]\n[ 176.297636] sp : ffff800080003630\n[ 176.297743] x29: ffff800080003630 x28: 0000000000000008 x27:\nffff6828c49ad9f8\n[ 176.298093] x26: ffff6828c49ad000 x25: 0000000000000000 x24:\n00000000000003e8\n[ 176.298430] x23: 0000000000000000 x22: ffff6828c4960b40 x21:\nffff6828c3b16d28\n[ 176.298652] x20: ffff6828c3167048 x19: ffff6828c3b16d00 x18:\n0000000000000014\n[ 176.298926] x17: ffffb0476322f000 x16: ffffb7e164023730 x15:\n0000000095744632\n[ 176.299296] x14: ffff6828c3f1c880 x13: 0000000000000002 x12:\nffffb7e137926a70\n[ 176.299574] x11: 0000000000000001 x10: ffff6828c3f1c898 x9 :\n0000000000000000\n[ 176.300049] x8 : ffff6828c49bf070 x7 : 0008460f18d5f20e x6 :\nf20e0100bebafeca\n[ 176.300302] x5 : ffff6828c7f918fe x4 : ffff6828c49bf070 x3 :\n0000000000000000\n[ 176.300586] x2 : 0000000000000000 x1 : ffff6828c3c7ad00 x0 :\nffff6828c7f918f0\n[ 176.300889] Call trace:\n[ 176.301123] br_nf_dev_queue_xmit+0x390/0x4ec [br_netfilter]\n[ 176.301411] br_nf_post_routing+0x2a8/0x3e4 [br_netfilter]\n[ 176.301703] nf_hook_slow+0x48/0x124\n[ 176.302060] br_forward_finish+0xc8/0xe8 [bridge]\n[ 176.302371] br_nf_hook_thresh+0x124/0x134 [br_netfilter]\n[ 176.302605] br_nf_forward_finish+0x118/0x22c [br_netfilter]\n[ 176.302824] br_nf_forward_ip.part.0+0x264/0x290 [br_netfilter]\n[ 176.303136] br_nf_forward+0x2b8/0x4e0 [br_netfilter]\n[ 176.303359] nf_hook_slow+0x48/0x124\n[ 176.303\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"scenarios": [
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CVE-2024-50245 (GCVE-0-2024-50245)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-05-11 20:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Fix possible deadlock in mi_read
Mutex lock with another subclass used in ni_lock_dir().
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2022-48962 (GCVE-0-2022-48962)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
The skb is delivered to napi_gro_receive() which may free it, after
calling this, dereferencing skb may trigger use-after-free.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-49989 (GCVE-0-2024-49989)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: fix double free issue during amdgpu module unload
Flexible endpoints use DIGs from available inflexible endpoints,
so only the encoders of inflexible links need to be freed.
Otherwise, a double free issue may occur when unloading the
amdgpu module.
[ 279.190523] RIP: 0010:__slab_free+0x152/0x2f0
[ 279.190577] Call Trace:
[ 279.190580] <TASK>
[ 279.190582] ? show_regs+0x69/0x80
[ 279.190590] ? die+0x3b/0x90
[ 279.190595] ? do_trap+0xc8/0xe0
[ 279.190601] ? do_error_trap+0x73/0xa0
[ 279.190605] ? __slab_free+0x152/0x2f0
[ 279.190609] ? exc_invalid_op+0x56/0x70
[ 279.190616] ? __slab_free+0x152/0x2f0
[ 279.190642] ? asm_exc_invalid_op+0x1f/0x30
[ 279.190648] ? dcn10_link_encoder_destroy+0x19/0x30 [amdgpu]
[ 279.191096] ? __slab_free+0x152/0x2f0
[ 279.191102] ? dcn10_link_encoder_destroy+0x19/0x30 [amdgpu]
[ 279.191469] kfree+0x260/0x2b0
[ 279.191474] dcn10_link_encoder_destroy+0x19/0x30 [amdgpu]
[ 279.191821] link_destroy+0xd7/0x130 [amdgpu]
[ 279.192248] dc_destruct+0x90/0x270 [amdgpu]
[ 279.192666] dc_destroy+0x19/0x40 [amdgpu]
[ 279.193020] amdgpu_dm_fini+0x16e/0x200 [amdgpu]
[ 279.193432] dm_hw_fini+0x26/0x40 [amdgpu]
[ 279.193795] amdgpu_device_fini_hw+0x24c/0x400 [amdgpu]
[ 279.194108] amdgpu_driver_unload_kms+0x4f/0x70 [amdgpu]
[ 279.194436] amdgpu_pci_remove+0x40/0x80 [amdgpu]
[ 279.194632] pci_device_remove+0x3a/0xa0
[ 279.194638] device_remove+0x40/0x70
[ 279.194642] device_release_driver_internal+0x1ad/0x210
[ 279.194647] driver_detach+0x4e/0xa0
[ 279.194650] bus_remove_driver+0x6f/0xf0
[ 279.194653] driver_unregister+0x33/0x60
[ 279.194657] pci_unregister_driver+0x44/0x90
[ 279.194662] amdgpu_exit+0x19/0x1f0 [amdgpu]
[ 279.194939] __do_sys_delete_module.isra.0+0x198/0x2f0
[ 279.194946] __x64_sys_delete_module+0x16/0x20
[ 279.194950] do_syscall_64+0x58/0x120
[ 279.194954] entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ 279.194980] </TASK>
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
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CVE-2022-48955 (GCVE-0-2022-48955)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: thunderbolt: fix memory leak in tbnet_open()
When tb_ring_alloc_rx() failed in tbnet_open(), ida that allocated in
tb_xdomain_alloc_out_hopid() is not released. Add
tb_xdomain_release_out_hopid() to the error path to release ida.
References
Impacted products
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CVE-2024-46812 (GCVE-0-2024-46812)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Skip inactive planes within ModeSupportAndSystemConfiguration
[Why]
Coverity reports Memory - illegal accesses.
[How]
Skip inactive planes.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
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Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
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CVE-2024-53056 (GCVE-0-2024-53056)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-05-23 15:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy()
In mtk_crtc_create(), if the call to mbox_request_channel() fails then we
set the "mtk_crtc->cmdq_client.chan" pointer to NULL. In that situation,
we do not call cmdq_pkt_create().
During the cleanup, we need to check if the "mtk_crtc->cmdq_client.chan"
is NULL first before calling cmdq_pkt_destroy(). Calling
cmdq_pkt_destroy() is unnecessary if we didn't call cmdq_pkt_create() and
it will result in a NULL pointer dereference.
References
Impacted products
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CVE-2024-50255 (GCVE-0-2024-50255)
Vulnerability from cvelistv5
Published
2024-11-09 10:15
Modified
2026-05-11 20:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci: fix null-ptr-deref in hci_read_supported_codecs
Fix __hci_cmd_sync_sk() to return not NULL for unknown opcodes.
__hci_cmd_sync_sk() returns NULL if a command returns a status event.
However, it also returns NULL where an opcode doesn't exist in the
hci_cc table because hci_cmd_complete_evt() assumes status = skb->data[0]
for unknown opcodes.
This leads to null-ptr-deref in cmd_sync for HCI_OP_READ_LOCAL_CODECS as
there is no hci_cc for HCI_OP_READ_LOCAL_CODECS, which always assumes
status = skb->data[0].
KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077]
CPU: 1 PID: 2000 Comm: kworker/u9:5 Not tainted 6.9.0-ga6bcb805883c-dirty #10
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: hci7 hci_power_on
RIP: 0010:hci_read_supported_codecs+0xb9/0x870 net/bluetooth/hci_codec.c:138
Code: 08 48 89 ef e8 b8 c1 8f fd 48 8b 75 00 e9 96 00 00 00 49 89 c6 48 ba 00 00 00 00 00 fc ff df 4c 8d 60 70 4c 89 e3 48 c1 eb 03 <0f> b6 04 13 84 c0 0f 85 82 06 00 00 41 83 3c 24 02 77 0a e8 bf 78
RSP: 0018:ffff888120bafac8 EFLAGS: 00010212
RAX: 0000000000000000 RBX: 000000000000000e RCX: ffff8881173f0040
RDX: dffffc0000000000 RSI: ffffffffa58496c0 RDI: ffff88810b9ad1e4
RBP: ffff88810b9ac000 R08: ffffffffa77882a7 R09: 1ffffffff4ef1054
R10: dffffc0000000000 R11: fffffbfff4ef1055 R12: 0000000000000070
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810b9ac000
FS: 0000000000000000(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6ddaa3439e CR3: 0000000139764003 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
<TASK>
hci_read_local_codecs_sync net/bluetooth/hci_sync.c:4546 [inline]
hci_init_stage_sync net/bluetooth/hci_sync.c:3441 [inline]
hci_init4_sync net/bluetooth/hci_sync.c:4706 [inline]
hci_init_sync net/bluetooth/hci_sync.c:4742 [inline]
hci_dev_init_sync net/bluetooth/hci_sync.c:4912 [inline]
hci_dev_open_sync+0x19a9/0x2d30 net/bluetooth/hci_sync.c:4994
hci_dev_do_open net/bluetooth/hci_core.c:483 [inline]
hci_power_on+0x11e/0x560 net/bluetooth/hci_core.c:1015
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x8ef/0x14f0 kernel/workqueue.c:3348
worker_thread+0x91f/0xe50 kernel/workqueue.c:3429
kthread+0x2cb/0x360 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47732 (GCVE-0-2024-47732)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
crypto: iaa - Fix potential use after free bug
The free_device_compression_mode(iaa_device, device_mode) function frees
"device_mode" but it iss passed to iaa_compression_modes[i]->free() a few
lines later resulting in a use after free.
The good news is that, so far as I can tell, nothing implements the
->free() function and the use after free happens in dead code. But, with
this fix, when something does implement it, we'll be ready. :)
References
Impacted products
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CVE-2024-26761 (GCVE-0-2024-26761)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2026-05-11 20:03
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cxl/pci: Fix disabling memory if DVSEC CXL Range does not match a CFMWS window
The Linux CXL subsystem is built on the assumption that HPA == SPA.
That is, the host physical address (HPA) the HDM decoder registers are
programmed with are system physical addresses (SPA).
During HDM decoder setup, the DVSEC CXL range registers (cxl-3.1,
8.1.3.8) are checked if the memory is enabled and the CXL range is in
a HPA window that is described in a CFMWS structure of the CXL host
bridge (cxl-3.1, 9.18.1.3).
Now, if the HPA is not an SPA, the CXL range does not match a CFMWS
window and the CXL memory range will be disabled then. The HDM decoder
stops working which causes system memory being disabled and further a
system hang during HDM decoder initialization, typically when a CXL
enabled kernel boots.
Prevent a system hang and do not disable the HDM decoder if the
decoder's CXL range is not found in a CFMWS window.
Note the change only fixes a hardware hang, but does not implement
HPA/SPA translation. Support for this can be added in a follow on
patch series.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50135 (GCVE-0-2024-50135)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme-pci: fix race condition between reset and nvme_dev_disable()
nvme_dev_disable() modifies the dev->online_queues field, therefore
nvme_pci_update_nr_queues() should avoid racing against it, otherwise
we could end up passing invalid values to blk_mq_update_nr_hw_queues().
WARNING: CPU: 39 PID: 61303 at drivers/pci/msi/api.c:347
pci_irq_get_affinity+0x187/0x210
Workqueue: nvme-reset-wq nvme_reset_work [nvme]
RIP: 0010:pci_irq_get_affinity+0x187/0x210
Call Trace:
<TASK>
? blk_mq_pci_map_queues+0x87/0x3c0
? pci_irq_get_affinity+0x187/0x210
blk_mq_pci_map_queues+0x87/0x3c0
nvme_pci_map_queues+0x189/0x460 [nvme]
blk_mq_update_nr_hw_queues+0x2a/0x40
nvme_reset_work+0x1be/0x2a0 [nvme]
Fix the bug by locking the shutdown_lock mutex before using
dev->online_queues. Give up if nvme_dev_disable() is running or if
it has been executed already.
References
Impacted products
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CVE-2024-49911 (GCVE-0-2024-49911)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func
This commit adds a null check for the set_output_gamma function pointer
in the dcn20_set_output_transfer_func function. Previously,
set_output_gamma was being checked for null at line 1030, but then it
was being dereferenced without any null check at line 1048. This could
potentially lead to a null pointer dereference error if set_output_gamma
is null.
To fix this, we now ensure that set_output_gamma is not null before
dereferencing it. We do this by adding a null check for set_output_gamma
before the call to set_output_gamma at line 1048.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50182 (GCVE-0-2024-50182)
Vulnerability from cvelistv5
Published
2024-11-08 05:38
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
secretmem: disable memfd_secret() if arch cannot set direct map
Return -ENOSYS from memfd_secret() syscall if !can_set_direct_map(). This
is the case for example on some arm64 configurations, where marking 4k
PTEs in the direct map not present can only be done if the direct map is
set up at 4k granularity in the first place (as ARM's break-before-make
semantics do not easily allow breaking apart large/gigantic pages).
More precisely, on arm64 systems with !can_set_direct_map(),
set_direct_map_invalid_noflush() is a no-op, however it returns success
(0) instead of an error. This means that memfd_secret will seemingly
"work" (e.g. syscall succeeds, you can mmap the fd and fault in pages),
but it does not actually achieve its goal of removing its memory from the
direct map.
Note that with this patch, memfd_secret() will start erroring on systems
where can_set_direct_map() returns false (arm64 with
CONFIG_RODATA_FULL_DEFAULT_ENABLED=n, CONFIG_DEBUG_PAGEALLOC=n and
CONFIG_KFENCE=n), but that still seems better than the current silent
failure. Since CONFIG_RODATA_FULL_DEFAULT_ENABLED defaults to 'y', most
arm64 systems actually have a working memfd_secret() and aren't be
affected.
From going through the iterations of the original memfd_secret patch
series, it seems that disabling the syscall in these scenarios was the
intended behavior [1] (preferred over having
set_direct_map_invalid_noflush return an error as that would result in
SIGBUSes at page-fault time), however the check for it got dropped between
v16 [2] and v17 [3], when secretmem moved away from CMA allocations.
[1]: https://lore.kernel.org/lkml/20201124164930.GK8537@kernel.org/
[2]: https://lore.kernel.org/lkml/20210121122723.3446-11-rppt@kernel.org/#t
[3]: https://lore.kernel.org/lkml/20201125092208.12544-10-rppt@kernel.org/
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-46716 (GCVE-0-2024-46716)
Vulnerability from cvelistv5
Published
2024-09-18 06:32
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: altera-msgdma: properly free descriptor in msgdma_free_descriptor
Remove list_del call in msgdma_chan_desc_cleanup, this should be the role
of msgdma_free_descriptor. In consequence replace list_add_tail with
list_move_tail in msgdma_free_descriptor.
This fixes the path:
msgdma_free_chan_resources -> msgdma_free_descriptors ->
msgdma_free_desc_list -> msgdma_free_descriptor
which does not correctly free the descriptors as first nodes were not
removed from the list.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-46828 (GCVE-0-2024-46828)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
sched: sch_cake: fix bulk flow accounting logic for host fairness
In sch_cake, we keep track of the count of active bulk flows per host,
when running in dst/src host fairness mode, which is used as the
round-robin weight when iterating through flows. The count of active
bulk flows is updated whenever a flow changes state.
This has a peculiar interaction with the hash collision handling: when a
hash collision occurs (after the set-associative hashing), the state of
the hash bucket is simply updated to match the new packet that collided,
and if host fairness is enabled, that also means assigning new per-host
state to the flow. For this reason, the bulk flow counters of the
host(s) assigned to the flow are decremented, before new state is
assigned (and the counters, which may not belong to the same host
anymore, are incremented again).
Back when this code was introduced, the host fairness mode was always
enabled, so the decrement was unconditional. When the configuration
flags were introduced the *increment* was made conditional, but
the *decrement* was not. Which of course can lead to a spurious
decrement (and associated wrap-around to U16_MAX).
AFAICT, when host fairness is disabled, the decrement and wrap-around
happens as soon as a hash collision occurs (which is not that common in
itself, due to the set-associative hashing). However, in most cases this
is harmless, as the value is only used when host fairness mode is
enabled. So in order to trigger an array overflow, sch_cake has to first
be configured with host fairness disabled, and while running in this
mode, a hash collision has to occur to cause the overflow. Then, the
qdisc has to be reconfigured to enable host fairness, which leads to the
array out-of-bounds because the wrapped-around value is retained and
used as an array index. It seems that syzbot managed to trigger this,
which is quite impressive in its own right.
This patch fixes the issue by introducing the same conditional check on
decrement as is used on increment.
The original bug predates the upstreaming of cake, but the commit listed
in the Fixes tag touched that code, meaning that this patch won't apply
before that.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 712639929912c5eefb09facccb48d55b3f72c9f8 Version: 712639929912c5eefb09facccb48d55b3f72c9f8 Version: 712639929912c5eefb09facccb48d55b3f72c9f8 Version: 712639929912c5eefb09facccb48d55b3f72c9f8 Version: 712639929912c5eefb09facccb48d55b3f72c9f8 Version: 712639929912c5eefb09facccb48d55b3f72c9f8 Version: 712639929912c5eefb09facccb48d55b3f72c9f8 |
||
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}
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CVE-2024-50156 (GCVE-0-2024-50156)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/msm: Avoid NULL dereference in msm_disp_state_print_regs()
If the allocation in msm_disp_state_dump_regs() failed then
`block->state` can be NULL. The msm_disp_state_print_regs() function
_does_ have code to try to handle it with:
if (*reg)
dump_addr = *reg;
...but since "dump_addr" is initialized to NULL the above is actually
a noop. The code then goes on to dereference `dump_addr`.
Make the function print "Registers not stored" when it sees a NULL to
solve this. Since we're touching the code, fix
msm_disp_state_print_regs() not to pointlessly take a double-pointer
and properly mark the pointer as `const`.
Patchwork: https://patchwork.freedesktop.org/patch/619657/
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2022-48947 (GCVE-0-2022-48947)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: L2CAP: Fix u8 overflow
By keep sending L2CAP_CONF_REQ packets, chan->num_conf_rsp increases
multiple times and eventually it will wrap around the maximum number
(i.e., 255).
This patch prevents this by adding a boundary check with
L2CAP_MAX_CONF_RSP
Btmon log:
Bluetooth monitor ver 5.64
= Note: Linux version 6.1.0-rc2 (x86_64) 0.264594
= Note: Bluetooth subsystem version 2.22 0.264636
@ MGMT Open: btmon (privileged) version 1.22 {0x0001} 0.272191
= New Index: 00:00:00:00:00:00 (Primary,Virtual,hci0) [hci0] 13.877604
@ RAW Open: 9496 (privileged) version 2.22 {0x0002} 13.890741
= Open Index: 00:00:00:00:00:00 [hci0] 13.900426
(...)
> ACL Data RX: Handle 200 flags 0x00 dlen 1033 #32 [hci0] 14.273106
invalid packet size (12 != 1033)
08 00 01 00 02 01 04 00 01 10 ff ff ............
> ACL Data RX: Handle 200 flags 0x00 dlen 1547 #33 [hci0] 14.273561
invalid packet size (14 != 1547)
0a 00 01 00 04 01 06 00 40 00 00 00 00 00 ........@.....
> ACL Data RX: Handle 200 flags 0x00 dlen 2061 #34 [hci0] 14.274390
invalid packet size (16 != 2061)
0c 00 01 00 04 01 08 00 40 00 00 00 00 00 00 04 ........@.......
> ACL Data RX: Handle 200 flags 0x00 dlen 2061 #35 [hci0] 14.274932
invalid packet size (16 != 2061)
0c 00 01 00 04 01 08 00 40 00 00 00 07 00 03 00 ........@.......
= bluetoothd: Bluetooth daemon 5.43 14.401828
> ACL Data RX: Handle 200 flags 0x00 dlen 1033 #36 [hci0] 14.275753
invalid packet size (12 != 1033)
08 00 01 00 04 01 04 00 40 00 00 00 ........@...
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f2fcfcd670257236ebf2088bbdf26f6a8ef459fe Version: f2fcfcd670257236ebf2088bbdf26f6a8ef459fe Version: f2fcfcd670257236ebf2088bbdf26f6a8ef459fe Version: f2fcfcd670257236ebf2088bbdf26f6a8ef459fe Version: f2fcfcd670257236ebf2088bbdf26f6a8ef459fe Version: f2fcfcd670257236ebf2088bbdf26f6a8ef459fe Version: f2fcfcd670257236ebf2088bbdf26f6a8ef459fe Version: f2fcfcd670257236ebf2088bbdf26f6a8ef459fe |
||
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CVE-2024-49987 (GCVE-0-2024-49987)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpftool: Fix undefined behavior in qsort(NULL, 0, ...)
When netfilter has no entry to display, qsort is called with
qsort(NULL, 0, ...). This results in undefined behavior, as UBSan
reports:
net.c:827:2: runtime error: null pointer passed as argument 1, which is declared to never be null
Although the C standard does not explicitly state whether calling qsort
with a NULL pointer when the size is 0 constitutes undefined behavior,
Section 7.1.4 of the C standard (Use of library functions) mentions:
"Each of the following statements applies unless explicitly stated
otherwise in the detailed descriptions that follow: If an argument to a
function has an invalid value (such as a value outside the domain of
the function, or a pointer outside the address space of the program, or
a null pointer, or a pointer to non-modifiable storage when the
corresponding parameter is not const-qualified) or a type (after
promotion) not expected by a function with variable number of
arguments, the behavior is undefined."
To avoid this, add an early return when nf_link_info is NULL to prevent
calling qsort with a NULL pointer.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50067 (GCVE-0-2024-50067)
Vulnerability from cvelistv5
Published
2024-10-28 00:57
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
uprobe: avoid out-of-bounds memory access of fetching args
Uprobe needs to fetch args into a percpu buffer, and then copy to ring
buffer to avoid non-atomic context problem.
Sometimes user-space strings, arrays can be very large, but the size of
percpu buffer is only page size. And store_trace_args() won't check
whether these data exceeds a single page or not, caused out-of-bounds
memory access.
It could be reproduced by following steps:
1. build kernel with CONFIG_KASAN enabled
2. save follow program as test.c
```
\#include <stdio.h>
\#include <stdlib.h>
\#include <string.h>
// If string length large than MAX_STRING_SIZE, the fetch_store_strlen()
// will return 0, cause __get_data_size() return shorter size, and
// store_trace_args() will not trigger out-of-bounds access.
// So make string length less than 4096.
\#define STRLEN 4093
void generate_string(char *str, int n)
{
int i;
for (i = 0; i < n; ++i)
{
char c = i % 26 + 'a';
str[i] = c;
}
str[n-1] = '\0';
}
void print_string(char *str)
{
printf("%s\n", str);
}
int main()
{
char tmp[STRLEN];
generate_string(tmp, STRLEN);
print_string(tmp);
return 0;
}
```
3. compile program
`gcc -o test test.c`
4. get the offset of `print_string()`
```
objdump -t test | grep -w print_string
0000000000401199 g F .text 000000000000001b print_string
```
5. configure uprobe with offset 0x1199
```
off=0x1199
cd /sys/kernel/debug/tracing/
echo "p /root/test:${off} arg1=+0(%di):ustring arg2=\$comm arg3=+0(%di):ustring"
> uprobe_events
echo 1 > events/uprobes/enable
echo 1 > tracing_on
```
6. run `test`, and kasan will report error.
==================================================================
BUG: KASAN: use-after-free in strncpy_from_user+0x1d6/0x1f0
Write of size 8 at addr ffff88812311c004 by task test/499CPU: 0 UID: 0 PID: 499 Comm: test Not tainted 6.12.0-rc3+ #18
Hardware name: Red Hat KVM, BIOS 1.16.0-4.al8 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x55/0x70
print_address_description.constprop.0+0x27/0x310
kasan_report+0x10f/0x120
? strncpy_from_user+0x1d6/0x1f0
strncpy_from_user+0x1d6/0x1f0
? rmqueue.constprop.0+0x70d/0x2ad0
process_fetch_insn+0xb26/0x1470
? __pfx_process_fetch_insn+0x10/0x10
? _raw_spin_lock+0x85/0xe0
? __pfx__raw_spin_lock+0x10/0x10
? __pte_offset_map+0x1f/0x2d0
? unwind_next_frame+0xc5f/0x1f80
? arch_stack_walk+0x68/0xf0
? is_bpf_text_address+0x23/0x30
? kernel_text_address.part.0+0xbb/0xd0
? __kernel_text_address+0x66/0xb0
? unwind_get_return_address+0x5e/0xa0
? __pfx_stack_trace_consume_entry+0x10/0x10
? arch_stack_walk+0xa2/0xf0
? _raw_spin_lock_irqsave+0x8b/0xf0
? __pfx__raw_spin_lock_irqsave+0x10/0x10
? depot_alloc_stack+0x4c/0x1f0
? _raw_spin_unlock_irqrestore+0xe/0x30
? stack_depot_save_flags+0x35d/0x4f0
? kasan_save_stack+0x34/0x50
? kasan_save_stack+0x24/0x50
? mutex_lock+0x91/0xe0
? __pfx_mutex_lock+0x10/0x10
prepare_uprobe_buffer.part.0+0x2cd/0x500
uprobe_dispatcher+0x2c3/0x6a0
? __pfx_uprobe_dispatcher+0x10/0x10
? __kasan_slab_alloc+0x4d/0x90
handler_chain+0xdd/0x3e0
handle_swbp+0x26e/0x3d0
? __pfx_handle_swbp+0x10/0x10
? uprobe_pre_sstep_notifier+0x151/0x1b0
irqentry_exit_to_user_mode+0xe2/0x1b0
asm_exc_int3+0x39/0x40
RIP: 0033:0x401199
Code: 01 c2 0f b6 45 fb 88 02 83 45 fc 01 8b 45 fc 3b 45 e4 7c b7 8b 45 e4 48 98 48 8d 50 ff 48 8b 45 e8 48 01 d0 ce
RSP: 002b:00007ffdf00576a8 EFLAGS: 00000206
RAX: 00007ffdf00576b0 RBX: 0000000000000000 RCX: 0000000000000ff2
RDX: 0000000000000ffc RSI: 0000000000000ffd RDI: 00007ffdf00576b0
RBP: 00007ffdf00586b0 R08: 00007feb2f9c0d20 R09: 00007feb2f9c0d20
R10: 0000000000000001 R11: 0000000000000202 R12: 0000000000401040
R13: 00007ffdf0058780 R14: 0000000000000000 R15: 0000000000000000
</TASK>
This commit enforces the buffer's maxlen less than a page-size to avoid
store_trace_args() out-of-memory access.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49925 (GCVE-0-2024-49925)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fbdev: efifb: Register sysfs groups through driver core
The driver core can register and cleanup sysfs groups already.
Make use of that functionality to simplify the error handling and
cleanup.
Also avoid a UAF race during unregistering where the sysctl attributes
were usable after the info struct was freed.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 753375a881caa01112b7cec2c796749154e0bb23 Version: 753375a881caa01112b7cec2c796749154e0bb23 Version: 753375a881caa01112b7cec2c796749154e0bb23 Version: 753375a881caa01112b7cec2c796749154e0bb23 Version: 753375a881caa01112b7cec2c796749154e0bb23 Version: 753375a881caa01112b7cec2c796749154e0bb23 |
||
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CVE-2024-26864 (GCVE-0-2024-26864)
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2026-08-05 11:27
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix refcnt handling in __inet_hash_connect().
syzbot reported a warning in sk_nulls_del_node_init_rcu().
The commit 66b60b0c8c4a ("dccp/tcp: Unhash sk from ehash for tb2 alloc
failure after check_estalblished().") tried to fix an issue that an
unconnected socket occupies an ehash entry when bhash2 allocation fails.
In such a case, we need to revert changes done by check_established(),
which does not hold refcnt when inserting socket into ehash.
So, to revert the change, we need to __sk_nulls_add_node_rcu() instead
of sk_nulls_add_node_rcu().
Otherwise, sock_put() will cause refcnt underflow and leak the socket.
[0]:
WARNING: CPU: 0 PID: 23948 at include/net/sock.h:799 sk_nulls_del_node_init_rcu+0x166/0x1a0 include/net/sock.h:799
Modules linked in:
CPU: 0 PID: 23948 Comm: syz-executor.2 Not tainted 6.8.0-rc6-syzkaller-00159-gc055fc00c07b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:sk_nulls_del_node_init_rcu+0x166/0x1a0 include/net/sock.h:799
Code: e8 7f 71 c6 f7 83 fb 02 7c 25 e8 35 6d c6 f7 4d 85 f6 0f 95 c0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 1b 6d c6 f7 90 <0f> 0b 90 eb b2 e8 10 6d c6 f7 4c 89 e7 be 04 00 00 00 e8 63 e7 d2
RSP: 0018:ffffc900032d7848 EFLAGS: 00010246
RAX: ffffffff89cd0035 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90004de1000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 1ffff1100439ac26 R08: ffffffff89ccffe3 R09: 1ffff1100439ac28
R10: dffffc0000000000 R11: ffffed100439ac29 R12: ffff888021cd6140
R13: dffffc0000000000 R14: ffff88802a9bf5c0 R15: ffff888021cd6130
FS: 00007f3b823f16c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b823f0ff8 CR3: 000000004674a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__inet_hash_connect+0x140f/0x20b0 net/ipv4/inet_hashtables.c:1139
dccp_v6_connect+0xcb9/0x1480 net/dccp/ipv6.c:956
__inet_stream_connect+0x262/0xf30 net/ipv4/af_inet.c:678
inet_stream_connect+0x65/0xa0 net/ipv4/af_inet.c:749
__sys_connect_file net/socket.c:2048 [inline]
__sys_connect+0x2df/0x310 net/socket.c:2065
__do_sys_connect net/socket.c:2075 [inline]
__se_sys_connect net/socket.c:2072 [inline]
__x64_sys_connect+0x7a/0x90 net/socket.c:2072
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f3b8167dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3b823f10c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f3b817abf80 RCX: 00007f3b8167dda9
RDX: 000000000000001c RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00007f3b823f1120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007f3b817abf80 R15: 00007ffd3beb57b8
</TASK>
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 729bc77af438a6e67914c97f6f3d3af8f72c0131 Version: 334a8348b2df26526f3298848ad6864285592caf Version: f8c4a6b850882bc47aaa864b720c7a2ee3102f39 Version: 66b60b0c8c4a163b022a9f0ad6769b0fd3dc662f Version: 66b60b0c8c4a163b022a9f0ad6769b0fd3dc662f Version: 6.1.80 ≤ Version: 6.6.19 ≤ Version: 6.7.7 ≤ |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix refcnt handling in __inet_hash_connect().\n\nsyzbot reported a warning in sk_nulls_del_node_init_rcu().\n\nThe commit 66b60b0c8c4a (\"dccp/tcp: Unhash sk from ehash for tb2 alloc\nfailure after check_estalblished().\") tried to fix an issue that an\nunconnected socket occupies an ehash entry when bhash2 allocation fails.\n\nIn such a case, we need to revert changes done by check_established(),\nwhich does not hold refcnt when inserting socket into ehash.\n\nSo, to revert the change, we need to __sk_nulls_add_node_rcu() instead\nof sk_nulls_add_node_rcu().\n\nOtherwise, sock_put() will cause refcnt underflow and leak the socket.\n\n[0]:\nWARNING: CPU: 0 PID: 23948 at include/net/sock.h:799 sk_nulls_del_node_init_rcu+0x166/0x1a0 include/net/sock.h:799\nModules linked in:\nCPU: 0 PID: 23948 Comm: syz-executor.2 Not tainted 6.8.0-rc6-syzkaller-00159-gc055fc00c07b #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024\nRIP: 0010:sk_nulls_del_node_init_rcu+0x166/0x1a0 include/net/sock.h:799\nCode: e8 7f 71 c6 f7 83 fb 02 7c 25 e8 35 6d c6 f7 4d 85 f6 0f 95 c0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 1b 6d c6 f7 90 \u003c0f\u003e 0b 90 eb b2 e8 10 6d c6 f7 4c 89 e7 be 04 00 00 00 e8 63 e7 d2\nRSP: 0018:ffffc900032d7848 EFLAGS: 00010246\nRAX: ffffffff89cd0035 RBX: 0000000000000001 RCX: 0000000000040000\nRDX: ffffc90004de1000 RSI: 000000000003ffff RDI: 0000000000040000\nRBP: 1ffff1100439ac26 R08: ffffffff89ccffe3 R09: 1ffff1100439ac28\nR10: dffffc0000000000 R11: ffffed100439ac29 R12: ffff888021cd6140\nR13: dffffc0000000000 R14: ffff88802a9bf5c0 R15: ffff888021cd6130\nFS: 00007f3b823f16c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f3b823f0ff8 CR3: 000000004674a000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n __inet_hash_connect+0x140f/0x20b0 net/ipv4/inet_hashtables.c:1139\n dccp_v6_connect+0xcb9/0x1480 net/dccp/ipv6.c:956\n __inet_stream_connect+0x262/0xf30 net/ipv4/af_inet.c:678\n inet_stream_connect+0x65/0xa0 net/ipv4/af_inet.c:749\n __sys_connect_file net/socket.c:2048 [inline]\n __sys_connect+0x2df/0x310 net/socket.c:2065\n __do_sys_connect net/socket.c:2075 [inline]\n __se_sys_connect net/socket.c:2072 [inline]\n __x64_sys_connect+0x7a/0x90 net/socket.c:2072\n do_syscall_64+0xf9/0x240\n entry_SYSCALL_64_after_hwframe+0x6f/0x77\nRIP: 0033:0x7f3b8167dda9\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f3b823f10c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a\nRAX: ffffffffffffffda RBX: 00007f3b817abf80 RCX: 00007f3b8167dda9\nRDX: 000000000000001c RSI: 0000000020000040 RDI: 0000000000000003\nRBP: 00007f3b823f1120 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001\nR13: 000000000000000b R14: 00007f3b817abf80 R15: 00007ffd3beb57b8\n \u003c/TASK\u003e"
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"lang": "en",
"value": "AV:L - The vulnerable code is reached through the local `connect(2)` syscall path (`__sys_connect` \u2192 `inet_stream_connect` \u2192 `tcp_v4/v6_connect`/`dccp_v4/v6_connect` \u2192 `__inet_hash_connect`), requiring a local socket the attacker owns. A remote peer cannot initiate this path directly, though MPTCP subflow creation triggered by a peer\u0027s ADD_ADDR reaches it indirectly.\nAC:L - The attacker controls both preconditions: the unprivileged `IP_LOCAL_PORT_RANGE` sockopt pins the ephemeral range so the `check_established()` branch is taken deterministically, and the GFP_ATOMIC bhash2 allocation failure is driven by attacker-created memory/slab pressure while `connect()` is retried in an unbounded loop. Nothing depends on a third party or on state the attacker cannot influence.\nPR:L - Any unprivileged local user can create a TCP/DCCP socket, set `IP_LOCAL_PORT_RANGE`, and call `connect()`; no capability check exists anywhere along the path, and additional local addresses to force a new bhash2 bucket are obtainable inside an unprivileged user namespace (`unshare -Urn`).\nUI:N - The attacking process performs the entire sequence itself via socket syscalls; no victim action, mount, or file open is required.\nS:U - The refcount underflow corrupts kernel socket state within the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The unbalanced `__sock_put()` is a refcount-underflow primitive that, where a second reference holder exists (e.g. MPTCP subflows that `sock_hold()` before `kernel_connect()`), frees the `tcp_sock`/subflow while it is still linked in `msk-\u003econn_list`, giving a use-after-free that can be groomed to read reallocated slab contents and kernel pointers.\nI:H - The same premature free yields a use-after-free on a large, attacker-influenceable `tcp_sock` object containing function pointers (`sk_prot`, `sk_data_ready`, `icsk_af_ops`), which heap spraying can convert into an arbitrary write and control-flow hijack.\nA:H - The path triggers a `WARN_ON` in `sk_nulls_del_node_init_rcu()` plus a `refcount_dec()` underflow warning \u2014 an immediate panic on kernels with `panic_on_warn` \u2014 and otherwise permanently leaks the socket along with its pinned network-namespace reference, repeatable by an unprivileged user until memory is exhausted."
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CVE-2024-47679 (GCVE-0-2024-47679)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vfs: fix race between evice_inodes() and find_inode()&iput()
Hi, all
Recently I noticed a bug[1] in btrfs, after digged it into
and I believe it'a race in vfs.
Let's assume there's a inode (ie ino 261) with i_count 1 is
called by iput(), and there's a concurrent thread calling
generic_shutdown_super().
cpu0: cpu1:
iput() // i_count is 1
->spin_lock(inode)
->dec i_count to 0
->iput_final() generic_shutdown_super()
->__inode_add_lru() ->evict_inodes()
// cause some reason[2] ->if (atomic_read(inode->i_count)) continue;
// return before // inode 261 passed the above check
// list_lru_add_obj() // and then schedule out
->spin_unlock()
// note here: the inode 261
// was still at sb list and hash list,
// and I_FREEING|I_WILL_FREE was not been set
btrfs_iget()
// after some function calls
->find_inode()
// found the above inode 261
->spin_lock(inode)
// check I_FREEING|I_WILL_FREE
// and passed
->__iget()
->spin_unlock(inode) // schedule back
->spin_lock(inode)
// check (I_NEW|I_FREEING|I_WILL_FREE) flags,
// passed and set I_FREEING
iput() ->spin_unlock(inode)
->spin_lock(inode) ->evict()
// dec i_count to 0
->iput_final()
->spin_unlock()
->evict()
Now, we have two threads simultaneously evicting
the same inode, which may trigger the BUG(inode->i_state & I_CLEAR)
statement both within clear_inode() and iput().
To fix the bug, recheck the inode->i_count after holding i_lock.
Because in the most scenarios, the first check is valid, and
the overhead of spin_lock() can be reduced.
If there is any misunderstanding, please let me know, thanks.
[1]: https://lore.kernel.org/linux-btrfs/000000000000eabe1d0619c48986@google.com/
[2]: The reason might be 1. SB_ACTIVE was removed or 2. mapping_shrinkable()
return false when I reproduced the bug.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 63997e98a3be68d7cec806d22bf9b02b2e1daabb Version: 63997e98a3be68d7cec806d22bf9b02b2e1daabb Version: 63997e98a3be68d7cec806d22bf9b02b2e1daabb Version: 63997e98a3be68d7cec806d22bf9b02b2e1daabb Version: 63997e98a3be68d7cec806d22bf9b02b2e1daabb Version: 63997e98a3be68d7cec806d22bf9b02b2e1daabb Version: 63997e98a3be68d7cec806d22bf9b02b2e1daabb Version: 63997e98a3be68d7cec806d22bf9b02b2e1daabb Version: 63997e98a3be68d7cec806d22bf9b02b2e1daabb |
||
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CVE-2024-53104 (GCVE-0-2024-53104)
Vulnerability from cvelistv5
Published
2024-12-02 07:29
Modified
2026-05-11 20:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format
This can lead to out of bounds writes since frames of this type were not
taken into account when calculating the size of the frames buffer in
uvc_parse_streaming.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: c0efd232929c2cd87238de2cccdaf4e845be5b0c Version: c0efd232929c2cd87238de2cccdaf4e845be5b0c Version: c0efd232929c2cd87238de2cccdaf4e845be5b0c Version: c0efd232929c2cd87238de2cccdaf4e845be5b0c Version: c0efd232929c2cd87238de2cccdaf4e845be5b0c Version: c0efd232929c2cd87238de2cccdaf4e845be5b0c Version: c0efd232929c2cd87238de2cccdaf4e845be5b0c Version: c0efd232929c2cd87238de2cccdaf4e845be5b0c Version: c0efd232929c2cd87238de2cccdaf4e845be5b0c |
||
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CVE-2024-49898 (GCVE-0-2024-49898)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check null-initialized variables
[WHAT & HOW]
drr_timing and subvp_pipe are initialized to null and they are not
always assigned new values. It is necessary to check for null before
dereferencing.
This fixes 2 FORWARD_NULL issues reported by Coverity.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-42145 (GCVE-0-2024-42145)
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2026-08-05 11:35
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
IB/core: Implement a limit on UMAD receive List
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References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
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CVE-2024-50081 (GCVE-0-2024-50081)
Vulnerability from cvelistv5
Published
2024-10-29 00:50
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
blk-mq: setup queue ->tag_set before initializing hctx
Commit 7b815817aa58 ("blk-mq: add helper for checking if one CPU is mapped to specified hctx")
needs to check queue mapping via tag set in hctx's cpuhp handler.
However, q->tag_set may not be setup yet when the cpuhp handler is
enabled, then kernel oops is triggered.
Fix the issue by setup queue tag_set before initializing hctx.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-49860 (GCVE-0-2024-49860)
Vulnerability from cvelistv5
Published
2024-10-21 12:27
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPI: sysfs: validate return type of _STR method
Only buffer objects are valid return values of _STR.
If something else is returned description_show() will access invalid
memory.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-50274 (GCVE-0-2024-50274)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-11 20:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
idpf: avoid vport access in idpf_get_link_ksettings
When the device control plane is removed or the platform
running device control plane is rebooted, a reset is detected
on the driver. On driver reset, it releases the resources and
waits for the reset to complete. If the reset fails, it takes
the error path and releases the vport lock. At this time if the
monitoring tools tries to access link settings, it call traces
for accessing released vport pointer.
To avoid it, move link_speed_mbps to netdev_priv structure
which removes the dependency on vport pointer and the vport lock
in idpf_get_link_ksettings. Also use netif_carrier_ok()
to check the link status and adjust the offsetof to use link_up
instead of link_speed_mbps.
References
Impacted products
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CVE-2024-50290 (GCVE-0-2024-50290)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: cx24116: prevent overflows on SNR calculus
as reported by Coverity, if reading SNR registers fail, a negative
number will be returned, causing an underflow when reading SNR
registers.
Prevent that.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8953db793d5bdeea5ac92c9e97f57d3ff8a7dccf Version: 8953db793d5bdeea5ac92c9e97f57d3ff8a7dccf Version: 8953db793d5bdeea5ac92c9e97f57d3ff8a7dccf Version: 8953db793d5bdeea5ac92c9e97f57d3ff8a7dccf Version: 8953db793d5bdeea5ac92c9e97f57d3ff8a7dccf Version: 8953db793d5bdeea5ac92c9e97f57d3ff8a7dccf Version: 8953db793d5bdeea5ac92c9e97f57d3ff8a7dccf Version: 8953db793d5bdeea5ac92c9e97f57d3ff8a7dccf |
||
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CVE-2024-50221 (GCVE-0-2024-50221)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/pm: Vangogh: Fix kernel memory out of bounds write
KASAN reports that the GPU metrics table allocated in
vangogh_tables_init() is not large enough for the memset done in
smu_cmn_init_soft_gpu_metrics(). Condensed report follows:
[ 33.861314] BUG: KASAN: slab-out-of-bounds in smu_cmn_init_soft_gpu_metrics+0x73/0x200 [amdgpu]
[ 33.861799] Write of size 168 at addr ffff888129f59500 by task mangoapp/1067
...
[ 33.861808] CPU: 6 UID: 1000 PID: 1067 Comm: mangoapp Tainted: G W 6.12.0-rc4 #356 1a56f59a8b5182eeaf67eb7cb8b13594dd23b544
[ 33.861816] Tainted: [W]=WARN
[ 33.861818] Hardware name: Valve Galileo/Galileo, BIOS F7G0107 12/01/2023
[ 33.861822] Call Trace:
[ 33.861826] <TASK>
[ 33.861829] dump_stack_lvl+0x66/0x90
[ 33.861838] print_report+0xce/0x620
[ 33.861853] kasan_report+0xda/0x110
[ 33.862794] kasan_check_range+0xfd/0x1a0
[ 33.862799] __asan_memset+0x23/0x40
[ 33.862803] smu_cmn_init_soft_gpu_metrics+0x73/0x200 [amdgpu 13b1bc364ec578808f676eba412c20eaab792779]
[ 33.863306] vangogh_get_gpu_metrics_v2_4+0x123/0xad0 [amdgpu 13b1bc364ec578808f676eba412c20eaab792779]
[ 33.864257] vangogh_common_get_gpu_metrics+0xb0c/0xbc0 [amdgpu 13b1bc364ec578808f676eba412c20eaab792779]
[ 33.865682] amdgpu_dpm_get_gpu_metrics+0xcc/0x110 [amdgpu 13b1bc364ec578808f676eba412c20eaab792779]
[ 33.866160] amdgpu_get_gpu_metrics+0x154/0x2d0 [amdgpu 13b1bc364ec578808f676eba412c20eaab792779]
[ 33.867135] dev_attr_show+0x43/0xc0
[ 33.867147] sysfs_kf_seq_show+0x1f1/0x3b0
[ 33.867155] seq_read_iter+0x3f8/0x1140
[ 33.867173] vfs_read+0x76c/0xc50
[ 33.867198] ksys_read+0xfb/0x1d0
[ 33.867214] do_syscall_64+0x90/0x160
...
[ 33.867353] Allocated by task 378 on cpu 7 at 22.794876s:
[ 33.867358] kasan_save_stack+0x33/0x50
[ 33.867364] kasan_save_track+0x17/0x60
[ 33.867367] __kasan_kmalloc+0x87/0x90
[ 33.867371] vangogh_init_smc_tables+0x3f9/0x840 [amdgpu]
[ 33.867835] smu_sw_init+0xa32/0x1850 [amdgpu]
[ 33.868299] amdgpu_device_init+0x467b/0x8d90 [amdgpu]
[ 33.868733] amdgpu_driver_load_kms+0x19/0xf0 [amdgpu]
[ 33.869167] amdgpu_pci_probe+0x2d6/0xcd0 [amdgpu]
[ 33.869608] local_pci_probe+0xda/0x180
[ 33.869614] pci_device_probe+0x43f/0x6b0
Empirically we can confirm that the former allocates 152 bytes for the
table, while the latter memsets the 168 large block.
Root cause appears that when GPU metrics tables for v2_4 parts were added
it was not considered to enlarge the table to fit.
The fix in this patch is rather "brute force" and perhaps later should be
done in a smarter way, by extracting and consolidating the part version to
size logic to a common helper, instead of brute forcing the largest
possible allocation. Nevertheless, for now this works and fixes the out of
bounds write.
v2:
* Drop impossible v3_0 case. (Mario)
(cherry picked from commit 0880f58f9609f0200483a49429af0f050d281703)
References
Impacted products
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CVE-2024-40997 (GCVE-0-2024-40997)
Vulnerability from cvelistv5
Published
2024-07-12 12:37
Modified
2026-05-11 20:24
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: amd-pstate: fix memory leak on CPU EPP exit
The cpudata memory from kzalloc() in amd_pstate_epp_cpu_init() is
not freed in the analogous exit function, so fix that.
[ rjw: Subject and changelog edits ]
References
Impacted products
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CVE-2024-50134 (GCVE-0-2024-50134)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-05-12 12:00
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA
Replace the fake VLA at end of the vbva_mouse_pointer_shape shape with
a real VLA to fix a "memcpy: detected field-spanning write error" warning:
[ 13.319813] memcpy: detected field-spanning write (size 16896) of single field "p->data" at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (size 4)
[ 13.319841] WARNING: CPU: 0 PID: 1105 at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo]
[ 13.320038] Call Trace:
[ 13.320173] hgsmi_update_pointer_shape [vboxvideo]
[ 13.320184] vbox_cursor_atomic_update [vboxvideo]
Note as mentioned in the added comment it seems the original length
calculation for the allocated and send hgsmi buffer is 4 bytes too large.
Changing this is not the goal of this patch, so this behavior is kept.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2024-50012 (GCVE-0-2024-50012)
Vulnerability from cvelistv5
Published
2024-10-21 18:54
Modified
2026-06-01 16:04
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: Avoid a bad reference count on CPU node
In the parse_perf_domain function, if the call to
of_parse_phandle_with_args returns an error, then the reference to the
CPU device node that was acquired at the start of the function would not
be properly decremented.
Address this by declaring the variable with the __free(device_node)
cleanup attribute.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8486a32dd484a7d7ec25295c7439094608f54915 Version: 8486a32dd484a7d7ec25295c7439094608f54915 Version: 8486a32dd484a7d7ec25295c7439094608f54915 Version: 8486a32dd484a7d7ec25295c7439094608f54915 Version: 8486a32dd484a7d7ec25295c7439094608f54915 Version: 8486a32dd484a7d7ec25295c7439094608f54915 |
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CVE-2024-49959 (GCVE-0-2024-49959)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
jbd2: stop waiting for space when jbd2_cleanup_journal_tail() returns error
In __jbd2_log_wait_for_space(), we might call jbd2_cleanup_journal_tail()
to recover some journal space. But if an error occurs while executing
jbd2_cleanup_journal_tail() (e.g., an EIO), we don't stop waiting for free
space right away, we try other branches, and if j_committing_transaction
is NULL (i.e., the tid is 0), we will get the following complain:
============================================
JBD2: I/O error when updating journal superblock for sdd-8.
__jbd2_log_wait_for_space: needed 256 blocks and only had 217 space available
__jbd2_log_wait_for_space: no way to get more journal space in sdd-8
------------[ cut here ]------------
WARNING: CPU: 2 PID: 139804 at fs/jbd2/checkpoint.c:109 __jbd2_log_wait_for_space+0x251/0x2e0
Modules linked in:
CPU: 2 PID: 139804 Comm: kworker/u8:3 Not tainted 6.6.0+ #1
RIP: 0010:__jbd2_log_wait_for_space+0x251/0x2e0
Call Trace:
<TASK>
add_transaction_credits+0x5d1/0x5e0
start_this_handle+0x1ef/0x6a0
jbd2__journal_start+0x18b/0x340
ext4_dirty_inode+0x5d/0xb0
__mark_inode_dirty+0xe4/0x5d0
generic_update_time+0x60/0x70
[...]
============================================
So only if jbd2_cleanup_journal_tail() returns 1, i.e., there is nothing to
clean up at the moment, continue to try to reclaim free space in other ways.
Note that this fix relies on commit 6f6a6fda2945 ("jbd2: fix ocfs2 corrupt
when updating journal superblock fails") to make jbd2_cleanup_journal_tail
return the correct error code.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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CVE-2024-50289 (GCVE-0-2024-50289)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: av7110: fix a spectre vulnerability
As warned by smatch:
drivers/staging/media/av7110/av7110_ca.c:270 dvb_ca_ioctl() warn: potential spectre issue 'av7110->ci_slot' [w] (local cap)
There is a spectre-related vulnerability at the code. Fix it.
References
Impacted products
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CVE-2022-48968 (GCVE-0-2022-48968)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-pf: Fix potential memory leak in otx2_init_tc()
In otx2_init_tc(), if rhashtable_init() failed, it does not free
tc->tc_entries_bitmap which is allocated in otx2_tc_alloc_ent_bitmap().
References
Impacted products
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CVE-2024-50117 (GCVE-0-2024-50117)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd: Guard against bad data for ATIF ACPI method
If a BIOS provides bad data in response to an ATIF method call
this causes a NULL pointer dereference in the caller.
```
? show_regs (arch/x86/kernel/dumpstack.c:478 (discriminator 1))
? __die (arch/x86/kernel/dumpstack.c:423 arch/x86/kernel/dumpstack.c:434)
? page_fault_oops (arch/x86/mm/fault.c:544 (discriminator 2) arch/x86/mm/fault.c:705 (discriminator 2))
? do_user_addr_fault (arch/x86/mm/fault.c:440 (discriminator 1) arch/x86/mm/fault.c:1232 (discriminator 1))
? acpi_ut_update_object_reference (drivers/acpi/acpica/utdelete.c:642)
? exc_page_fault (arch/x86/mm/fault.c:1542)
? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623)
? amdgpu_atif_query_backlight_caps.constprop.0 (drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:387 (discriminator 2)) amdgpu
? amdgpu_atif_query_backlight_caps.constprop.0 (drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:386 (discriminator 1)) amdgpu
```
It has been encountered on at least one system, so guard for it.
(cherry picked from commit c9b7c809b89f24e9372a4e7f02d64c950b07fdee)
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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||
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CVE-2024-49874 (GCVE-0-2024-49874)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i3c: master: svc: Fix use after free vulnerability in svc_i3c_master Driver Due to Race Condition
In the svc_i3c_master_probe function, &master->hj_work is bound with
svc_i3c_master_hj_work, &master->ibi_work is bound with
svc_i3c_master_ibi_work. And svc_i3c_master_ibi_work can start the
hj_work, svc_i3c_master_irq_handler can start the ibi_work.
If we remove the module which will call svc_i3c_master_remove to
make cleanup, it will free master->base through i3c_master_unregister
while the work mentioned above will be used. The sequence of operations
that may lead to a UAF bug is as follows:
CPU0 CPU1
| svc_i3c_master_hj_work
svc_i3c_master_remove |
i3c_master_unregister(&master->base)|
device_unregister(&master->dev) |
device_release |
//free master->base |
| i3c_master_do_daa(&master->base)
| //use master->base
Fix it by ensuring that the work is canceled before proceeding with the
cleanup in svc_i3c_master_remove.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2022-48960 (GCVE-0-2022-48960)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: hisilicon: Fix potential use-after-free in hix5hd2_rx()
The skb is delivered to napi_gro_receive() which may free it, after
calling this, dereferencing skb may trigger use-after-free.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 57c5bc9ad7d799e9507ba6e993398d2c55f03fab Version: 57c5bc9ad7d799e9507ba6e993398d2c55f03fab Version: 57c5bc9ad7d799e9507ba6e993398d2c55f03fab Version: 57c5bc9ad7d799e9507ba6e993398d2c55f03fab Version: 57c5bc9ad7d799e9507ba6e993398d2c55f03fab Version: 57c5bc9ad7d799e9507ba6e993398d2c55f03fab Version: 57c5bc9ad7d799e9507ba6e993398d2c55f03fab Version: 57c5bc9ad7d799e9507ba6e993398d2c55f03fab |
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CVE-2024-46840 (GCVE-0-2024-46840)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: clean up our handling of refs == 0 in snapshot delete
In reada we BUG_ON(refs == 0), which could be unkind since we aren't
holding a lock on the extent leaf and thus could get a transient
incorrect answer. In walk_down_proc we also BUG_ON(refs == 0), which
could happen if we have extent tree corruption. Change that to return
-EUCLEAN. In do_walk_down() we catch this case and handle it correctly,
however we return -EIO, which -EUCLEAN is a more appropriate error code.
Finally in walk_up_proc we have the same BUG_ON(refs == 0), so convert
that to proper error handling. Also adjust the error message so we can
actually do something with the information.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a Version: 2c47e605a91dde6b0514f689645e7ab336c8592a |
||
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CVE-2024-49875 (GCVE-0-2024-49875)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfsd: map the EBADMSG to nfserr_io to avoid warning
Ext4 will throw -EBADMSG through ext4_readdir when a checksum error
occurs, resulting in the following WARNING.
Fix it by mapping EBADMSG to nfserr_io.
nfsd_buffered_readdir
iterate_dir // -EBADMSG -74
ext4_readdir // .iterate_shared
ext4_dx_readdir
ext4_htree_fill_tree
htree_dirblock_to_tree
ext4_read_dirblock
__ext4_read_dirblock
ext4_dirblock_csum_verify
warn_no_space_for_csum
__warn_no_space_for_csum
return ERR_PTR(-EFSBADCRC) // -EBADMSG -74
nfserrno // WARNING
[ 161.115610] ------------[ cut here ]------------
[ 161.116465] nfsd: non-standard errno: -74
[ 161.117315] WARNING: CPU: 1 PID: 780 at fs/nfsd/nfsproc.c:878 nfserrno+0x9d/0xd0
[ 161.118596] Modules linked in:
[ 161.119243] CPU: 1 PID: 780 Comm: nfsd Not tainted 5.10.0-00014-g79679361fd5d #138
[ 161.120684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qe
mu.org 04/01/2014
[ 161.123601] RIP: 0010:nfserrno+0x9d/0xd0
[ 161.124676] Code: 0f 87 da 30 dd 00 83 e3 01 b8 00 00 00 05 75 d7 44 89 ee 48 c7 c7 c0 57 24 98 89 44 24 04 c6
05 ce 2b 61 03 01 e8 99 20 d8 00 <0f> 0b 8b 44 24 04 eb b5 4c 89 e6 48 c7 c7 a0 6d a4 99 e8 cc 15 33
[ 161.127797] RSP: 0018:ffffc90000e2f9c0 EFLAGS: 00010286
[ 161.128794] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 161.130089] RDX: 1ffff1103ee16f6d RSI: 0000000000000008 RDI: fffff520001c5f2a
[ 161.131379] RBP: 0000000000000022 R08: 0000000000000001 R09: ffff8881f70c1827
[ 161.132664] R10: ffffed103ee18304 R11: 0000000000000001 R12: 0000000000000021
[ 161.133949] R13: 00000000ffffffb6 R14: ffff8881317c0000 R15: ffffc90000e2fbd8
[ 161.135244] FS: 0000000000000000(0000) GS:ffff8881f7080000(0000) knlGS:0000000000000000
[ 161.136695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 161.137761] CR2: 00007fcaad70b348 CR3: 0000000144256006 CR4: 0000000000770ee0
[ 161.139041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 161.140291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 161.141519] PKRU: 55555554
[ 161.142076] Call Trace:
[ 161.142575] ? __warn+0x9b/0x140
[ 161.143229] ? nfserrno+0x9d/0xd0
[ 161.143872] ? report_bug+0x125/0x150
[ 161.144595] ? handle_bug+0x41/0x90
[ 161.145284] ? exc_invalid_op+0x14/0x70
[ 161.146009] ? asm_exc_invalid_op+0x12/0x20
[ 161.146816] ? nfserrno+0x9d/0xd0
[ 161.147487] nfsd_buffered_readdir+0x28b/0x2b0
[ 161.148333] ? nfsd4_encode_dirent_fattr+0x380/0x380
[ 161.149258] ? nfsd_buffered_filldir+0xf0/0xf0
[ 161.150093] ? wait_for_concurrent_writes+0x170/0x170
[ 161.151004] ? generic_file_llseek_size+0x48/0x160
[ 161.151895] nfsd_readdir+0x132/0x190
[ 161.152606] ? nfsd4_encode_dirent_fattr+0x380/0x380
[ 161.153516] ? nfsd_unlink+0x380/0x380
[ 161.154256] ? override_creds+0x45/0x60
[ 161.155006] nfsd4_encode_readdir+0x21a/0x3d0
[ 161.155850] ? nfsd4_encode_readlink+0x210/0x210
[ 161.156731] ? write_bytes_to_xdr_buf+0x97/0xe0
[ 161.157598] ? __write_bytes_to_xdr_buf+0xd0/0xd0
[ 161.158494] ? lock_downgrade+0x90/0x90
[ 161.159232] ? nfs4svc_decode_voidarg+0x10/0x10
[ 161.160092] nfsd4_encode_operation+0x15a/0x440
[ 161.160959] nfsd4_proc_compound+0x718/0xe90
[ 161.161818] nfsd_dispatch+0x18e/0x2c0
[ 161.162586] svc_process_common+0x786/0xc50
[ 161.163403] ? nfsd_svc+0x380/0x380
[ 161.164137] ? svc_printk+0x160/0x160
[ 161.164846] ? svc_xprt_do_enqueue.part.0+0x365/0x380
[ 161.165808] ? nfsd_svc+0x380/0x380
[ 161.166523] ? rcu_is_watching+0x23/0x40
[ 161.167309] svc_process+0x1a5/0x200
[ 161.168019] nfsd+0x1f5/0x380
[ 161.168663] ? nfsd_shutdown_threads+0x260/0x260
[ 161.169554] kthread+0x1c4/0x210
[ 161.170224] ? kthread_insert_work_sanity_check+0x80/0x80
[ 161.171246] ret_from_fork+0x1f/0x30
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 6a797d2737838906f2ea0a31686e87c3151e21ca Version: 6a797d2737838906f2ea0a31686e87c3151e21ca Version: 6a797d2737838906f2ea0a31686e87c3151e21ca Version: 6a797d2737838906f2ea0a31686e87c3151e21ca Version: 6a797d2737838906f2ea0a31686e87c3151e21ca Version: 6a797d2737838906f2ea0a31686e87c3151e21ca Version: 6a797d2737838906f2ea0a31686e87c3151e21ca |
||
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{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: map the EBADMSG to nfserr_io to avoid warning\n\nExt4 will throw -EBADMSG through ext4_readdir when a checksum error\noccurs, resulting in the following WARNING.\n\nFix it by mapping EBADMSG to nfserr_io.\n\nnfsd_buffered_readdir\n iterate_dir // -EBADMSG -74\n ext4_readdir // .iterate_shared\n ext4_dx_readdir\n ext4_htree_fill_tree\n htree_dirblock_to_tree\n ext4_read_dirblock\n __ext4_read_dirblock\n ext4_dirblock_csum_verify\n warn_no_space_for_csum\n __warn_no_space_for_csum\n return ERR_PTR(-EFSBADCRC) // -EBADMSG -74\n nfserrno // WARNING\n\n[ 161.115610] ------------[ cut here ]------------\n[ 161.116465] nfsd: non-standard errno: -74\n[ 161.117315] WARNING: CPU: 1 PID: 780 at fs/nfsd/nfsproc.c:878 nfserrno+0x9d/0xd0\n[ 161.118596] Modules linked in:\n[ 161.119243] CPU: 1 PID: 780 Comm: nfsd Not tainted 5.10.0-00014-g79679361fd5d #138\n[ 161.120684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qe\nmu.org 04/01/2014\n[ 161.123601] RIP: 0010:nfserrno+0x9d/0xd0\n[ 161.124676] Code: 0f 87 da 30 dd 00 83 e3 01 b8 00 00 00 05 75 d7 44 89 ee 48 c7 c7 c0 57 24 98 89 44 24 04 c6\n 05 ce 2b 61 03 01 e8 99 20 d8 00 \u003c0f\u003e 0b 8b 44 24 04 eb b5 4c 89 e6 48 c7 c7 a0 6d a4 99 e8 cc 15 33\n[ 161.127797] RSP: 0018:ffffc90000e2f9c0 EFLAGS: 00010286\n[ 161.128794] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000\n[ 161.130089] RDX: 1ffff1103ee16f6d RSI: 0000000000000008 RDI: fffff520001c5f2a\n[ 161.131379] RBP: 0000000000000022 R08: 0000000000000001 R09: ffff8881f70c1827\n[ 161.132664] R10: ffffed103ee18304 R11: 0000000000000001 R12: 0000000000000021\n[ 161.133949] R13: 00000000ffffffb6 R14: ffff8881317c0000 R15: ffffc90000e2fbd8\n[ 161.135244] FS: 0000000000000000(0000) GS:ffff8881f7080000(0000) knlGS:0000000000000000\n[ 161.136695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 161.137761] CR2: 00007fcaad70b348 CR3: 0000000144256006 CR4: 0000000000770ee0\n[ 161.139041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 161.140291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[ 161.141519] PKRU: 55555554\n[ 161.142076] Call Trace:\n[ 161.142575] ? __warn+0x9b/0x140\n[ 161.143229] ? nfserrno+0x9d/0xd0\n[ 161.143872] ? report_bug+0x125/0x150\n[ 161.144595] ? handle_bug+0x41/0x90\n[ 161.145284] ? exc_invalid_op+0x14/0x70\n[ 161.146009] ? asm_exc_invalid_op+0x12/0x20\n[ 161.146816] ? nfserrno+0x9d/0xd0\n[ 161.147487] nfsd_buffered_readdir+0x28b/0x2b0\n[ 161.148333] ? nfsd4_encode_dirent_fattr+0x380/0x380\n[ 161.149258] ? nfsd_buffered_filldir+0xf0/0xf0\n[ 161.150093] ? wait_for_concurrent_writes+0x170/0x170\n[ 161.151004] ? generic_file_llseek_size+0x48/0x160\n[ 161.151895] nfsd_readdir+0x132/0x190\n[ 161.152606] ? nfsd4_encode_dirent_fattr+0x380/0x380\n[ 161.153516] ? nfsd_unlink+0x380/0x380\n[ 161.154256] ? override_creds+0x45/0x60\n[ 161.155006] nfsd4_encode_readdir+0x21a/0x3d0\n[ 161.155850] ? nfsd4_encode_readlink+0x210/0x210\n[ 161.156731] ? write_bytes_to_xdr_buf+0x97/0xe0\n[ 161.157598] ? __write_bytes_to_xdr_buf+0xd0/0xd0\n[ 161.158494] ? lock_downgrade+0x90/0x90\n[ 161.159232] ? nfs4svc_decode_voidarg+0x10/0x10\n[ 161.160092] nfsd4_encode_operation+0x15a/0x440\n[ 161.160959] nfsd4_proc_compound+0x718/0xe90\n[ 161.161818] nfsd_dispatch+0x18e/0x2c0\n[ 161.162586] svc_process_common+0x786/0xc50\n[ 161.163403] ? nfsd_svc+0x380/0x380\n[ 161.164137] ? svc_printk+0x160/0x160\n[ 161.164846] ? svc_xprt_do_enqueue.part.0+0x365/0x380\n[ 161.165808] ? nfsd_svc+0x380/0x380\n[ 161.166523] ? rcu_is_watching+0x23/0x40\n[ 161.167309] svc_process+0x1a5/0x200\n[ 161.168019] nfsd+0x1f5/0x380\n[ 161.168663] ? nfsd_shutdown_threads+0x260/0x260\n[ 161.169554] kthread+0x1c4/0x210\n[ 161.170224] ? kthread_insert_work_sanity_check+0x80/0x80\n[ 161.171246] ret_from_fork+0x1f/0x30"
}
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"version": "3.1"
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"lang": "en",
"value": "AV:N - The faulty code runs inside the nfsd kernel thread while servicing NFS RPCs (READDIR, file-handle decode, LOOKUP) received over the network, per the commit\u0027s own call trace `svc_process \u2192 nfsd_dispatch \u2192 nfsd4_proc_compound \u2192 nfsd_readdir \u2192 nfserrno`. A remote NFS client triggers it purely by sending protocol requests.\nAC:L - On an affected export the client reliably reaches the path with ordinary READDIR requests or by presenting file handles, and can systematically enumerate directories and inode numbers until it lands on a block returning -EFSBADCRC; for FUSE-backed exports the -EBADMSG return is directly attacker-supplied, requiring no race and no unpredictable memory layout.\nPR:N - NFS exports are commonly served with AUTH_SYS, where credentials are self-asserted and no cryptographic authentication occurs; any host permitted by the export list can issue READDIR or a file handle, so no privileges on the server are needed.\nUI:N - The nfsd thread hits the warning while processing a client-initiated RPC; no administrator or user action on the server is required.\nS:U - The warning and any resulting panic occur within the NFS server kernel itself, with no crossing into another security authority such as a hypervisor or IOMMU boundary.\nC:N - The error is mapped to nfserr_io both before and after the fix, so no additional data is returned to the client; the WARN stack trace goes only to the server\u0027s dmesg and is not exposed to the remote attacker.\nI:N - No memory is corrupted and no filesystem or protocol state is modified \u2014 the resulting NFS status code is identical before and after the fix.\nA:H - The unmapped errno hits WARN_ONCE in nfserrno(), which oopses and taints the kernel, and on the hardened and cloud configurations that set panic_on_warn=1 this panics the entire NFS server, denying service to all clients."
}
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"title": "nfsd: map the EBADMSG to nfserr_io to avoid warning",
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"dateUpdated": "2026-08-05T11:40:18.193Z",
"state": "PUBLISHED"
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CVE-2024-50124 (GCVE-0-2024-50124)
Vulnerability from cvelistv5
Published
2024-11-05 17:10
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: ISO: Fix UAF on iso_sock_timeout
conn->sk maybe have been unlinked/freed while waiting for iso_conn_lock
so this checks if the conn->sk is still valid by checking if it part of
iso_sk_list.
References
| URL | Tags | |
|---|---|---|
Impacted products
{
"containers": {
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"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
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CVE-2024-53074 (GCVE-0-2024-53074)
Vulnerability from cvelistv5
Published
2024-11-19 17:31
Modified
2026-05-11 20:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: don't leak a link on AP removal
Release the link mapping resource in AP removal. This impacted devices
that do not support the MLD API (9260 and down).
On those devices, we couldn't start the AP again after the AP has been
already started and stopped.
References
Impacted products
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CVE-2024-47667 (GCVE-0-2024-47667)
Vulnerability from cvelistv5
Published
2024-10-09 14:13
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
PCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0)
Errata #i2037 in AM65x/DRA80xM Processors Silicon Revision 1.0
(SPRZ452D_July 2018_Revised December 2019 [1]) mentions when an
inbound PCIe TLP spans more than two internal AXI 128-byte bursts,
the bus may corrupt the packet payload and the corrupt data may
cause associated applications or the processor to hang.
The workaround for Errata #i2037 is to limit the maximum read
request size and maximum payload size to 128 bytes. Add workaround
for Errata #i2037 here.
The errata and workaround is applicable only to AM65x SR 1.0 and
later versions of the silicon will have this fixed.
[1] -> https://www.ti.com/lit/er/sprz452i/sprz452i.pdf
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 18b0415bc802a8bab5dedba5ae2757e83259e6ee Version: 18b0415bc802a8bab5dedba5ae2757e83259e6ee Version: 18b0415bc802a8bab5dedba5ae2757e83259e6ee Version: 18b0415bc802a8bab5dedba5ae2757e83259e6ee Version: 18b0415bc802a8bab5dedba5ae2757e83259e6ee Version: 18b0415bc802a8bab5dedba5ae2757e83259e6ee Version: 18b0415bc802a8bab5dedba5ae2757e83259e6ee |
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CVE-2024-41023 (GCVE-0-2024-41023)
Vulnerability from cvelistv5
Published
2024-07-29 14:31
Modified
2026-05-23 15:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
sched/deadline: Fix task_struct reference leak
During the execution of the following stress test with linux-rt:
stress-ng --cyclic 30 --timeout 30 --minimize --quiet
kmemleak frequently reported a memory leak concerning the task_struct:
unreferenced object 0xffff8881305b8000 (size 16136):
comm "stress-ng", pid 614, jiffies 4294883961 (age 286.412s)
object hex dump (first 32 bytes):
02 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .@..............
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
debug hex dump (first 16 bytes):
53 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 S...............
backtrace:
[<00000000046b6790>] dup_task_struct+0x30/0x540
[<00000000c5ca0f0b>] copy_process+0x3d9/0x50e0
[<00000000ced59777>] kernel_clone+0xb0/0x770
[<00000000a50befdc>] __do_sys_clone+0xb6/0xf0
[<000000001dbf2008>] do_syscall_64+0x5d/0xf0
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The issue occurs in start_dl_timer(), which increments the task_struct
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is supposed to decrement the reference count upon expiration. However,
if enqueue_task_dl() is called before the timer expires and cancels it,
the reference count is not decremented, leading to the leak.
This patch fixes the reference leak by ensuring the task_struct
reference count is properly decremented when the timer is canceled.
References
Impacted products
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CVE-2024-49985 (GCVE-0-2024-49985)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i2c: stm32f7: Do not prepare/unprepare clock during runtime suspend/resume
In case there is any sort of clock controller attached to this I2C bus
controller, for example Versaclock or even an AIC32x4 I2C codec, then
an I2C transfer triggered from the clock controller clk_ops .prepare
callback may trigger a deadlock on drivers/clk/clk.c prepare_lock mutex.
This is because the clock controller first grabs the prepare_lock mutex
and then performs the prepare operation, including its I2C access. The
I2C access resumes this I2C bus controller via .runtime_resume callback,
which calls clk_prepare_enable(), which attempts to grab the prepare_lock
mutex again and deadlocks.
Since the clock are already prepared since probe() and unprepared in
remove(), use simple clk_enable()/clk_disable() calls to enable and
disable the clock on runtime suspend and resume, to avoid hitting the
prepare_lock mutex.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4e7bca6fc07bf9526d797b9787dcb21e40cd10cf Version: 4e7bca6fc07bf9526d797b9787dcb21e40cd10cf Version: 4e7bca6fc07bf9526d797b9787dcb21e40cd10cf Version: 4e7bca6fc07bf9526d797b9787dcb21e40cd10cf Version: 4e7bca6fc07bf9526d797b9787dcb21e40cd10cf Version: 4e7bca6fc07bf9526d797b9787dcb21e40cd10cf Version: 4e7bca6fc07bf9526d797b9787dcb21e40cd10cf Version: 4e7bca6fc07bf9526d797b9787dcb21e40cd10cf |
||
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CVE-2024-47757 (GCVE-0-2024-47757)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nilfs2: fix potential oob read in nilfs_btree_check_delete()
The function nilfs_btree_check_delete(), which checks whether degeneration
to direct mapping occurs before deleting a b-tree entry, causes memory
access outside the block buffer when retrieving the maximum key if the
root node has no entries.
This does not usually happen because b-tree mappings with 0 child nodes
are never created by mkfs.nilfs2 or nilfs2 itself. However, it can happen
if the b-tree root node read from a device is configured that way, so fix
this potential issue by adding a check for that case.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 Version: 17c76b0104e4a6513983777e1a17e0297a12b0c4 |
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CVE-2022-49028 (GCVE-0-2022-49028)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-11 18:51
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ixgbevf: Fix resource leak in ixgbevf_init_module()
ixgbevf_init_module() won't destroy the workqueue created by
create_singlethread_workqueue() when pci_register_driver() failed. Add
destroy_workqueue() in fail path to prevent the resource leak.
Similar to the handling of u132_hcd_init in commit f276e002793c
("usb: u132-hcd: fix resource leak")
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-47697 (GCVE-0-2024-47697)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-08-05 11:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drivers: media: dvb-frontends/rtl2830: fix an out-of-bounds write error
Ensure index in rtl2830_pid_filter does not exceed 31 to prevent
out-of-bounds access.
dev->filters is a 32-bit value, so set_bit and clear_bit functions should
only operate on indices from 0 to 31. If index is 32, it will attempt to
access a non-existent 33rd bit, leading to out-of-bounds access.
Change the boundary check from index > 32 to index >= 32 to resolve this
issue.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| Vendor | Product | Version | ||
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CVE-2024-53101 (GCVE-0-2024-53101)
Vulnerability from cvelistv5
Published
2024-11-25 21:21
Modified
2026-05-12 12:01
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fs: Fix uninitialized value issue in from_kuid and from_kgid
ocfs2_setattr() uses attr->ia_mode, attr->ia_uid and attr->ia_gid in
a trace point even though ATTR_MODE, ATTR_UID and ATTR_GID aren't set.
Initialize all fields of newattrs to avoid uninitialized variables, by
checking if ATTR_MODE, ATTR_UID, ATTR_GID are initialized, otherwise 0.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 468eedde23d6c9335935773f4f5764267d5a7763 Version: 468eedde23d6c9335935773f4f5764267d5a7763 Version: 468eedde23d6c9335935773f4f5764267d5a7763 Version: 468eedde23d6c9335935773f4f5764267d5a7763 Version: 468eedde23d6c9335935773f4f5764267d5a7763 Version: 468eedde23d6c9335935773f4f5764267d5a7763 Version: 468eedde23d6c9335935773f4f5764267d5a7763 Version: 468eedde23d6c9335935773f4f5764267d5a7763 |
||
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CVE-2022-48967 (GCVE-0-2022-48967)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
NFC: nci: Bounds check struct nfc_target arrays
While running under CONFIG_FORTIFY_SOURCE=y, syzkaller reported:
memcpy: detected field-spanning write (size 129) of single field "target->sensf_res" at net/nfc/nci/ntf.c:260 (size 18)
This appears to be a legitimate lack of bounds checking in
nci_add_new_protocol(). Add the missing checks.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 019c4fbaa790e2b3f11dab0c8b7d9896d77db3e5 Version: 019c4fbaa790e2b3f11dab0c8b7d9896d77db3e5 Version: 019c4fbaa790e2b3f11dab0c8b7d9896d77db3e5 Version: 019c4fbaa790e2b3f11dab0c8b7d9896d77db3e5 Version: 019c4fbaa790e2b3f11dab0c8b7d9896d77db3e5 Version: 019c4fbaa790e2b3f11dab0c8b7d9896d77db3e5 Version: 019c4fbaa790e2b3f11dab0c8b7d9896d77db3e5 Version: 019c4fbaa790e2b3f11dab0c8b7d9896d77db3e5 |
||
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CVE-2024-53121 (GCVE-0-2024-53121)
Vulnerability from cvelistv5
Published
2024-12-02 13:44
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: fs, lock FTE when checking if active
The referenced commits introduced a two-step process for deleting FTEs:
- Lock the FTE, delete it from hardware, set the hardware deletion function
to NULL and unlock the FTE.
- Lock the parent flow group, delete the software copy of the FTE, and
remove it from the xarray.
However, this approach encounters a race condition if a rule with the same
match value is added simultaneously. In this scenario, fs_core may set the
hardware deletion function to NULL prematurely, causing a panic during
subsequent rule deletions.
To prevent this, ensure the active flag of the FTE is checked under a lock,
which will prevent the fs_core layer from attaching a new steering rule to
an FTE that is in the process of deletion.
[ 438.967589] MOSHE: 2496 mlx5_del_flow_rules del_hw_func
[ 438.968205] ------------[ cut here ]------------
[ 438.968654] refcount_t: decrement hit 0; leaking memory.
[ 438.969249] WARNING: CPU: 0 PID: 8957 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110
[ 438.970054] Modules linked in: act_mirred cls_flower act_gact sch_ingress openvswitch nsh mlx5_vdpa vringh vhost_iotlb vdpa mlx5_ib mlx5_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_nat nf_nat br_netfilter rpcsec_gss_krb5 auth_rpcgss oid_registry overlay rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm ib_uverbs ib_core zram zsmalloc fuse [last unloaded: cls_flower]
[ 438.973288] CPU: 0 UID: 0 PID: 8957 Comm: tc Not tainted 6.12.0-rc1+ #8
[ 438.973888] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
[ 438.974874] RIP: 0010:refcount_warn_saturate+0xfb/0x110
[ 438.975363] Code: 40 66 3b 82 c6 05 16 e9 4d 01 01 e8 1f 7c a0 ff 0f 0b c3 cc cc cc cc 48 c7 c7 10 66 3b 82 c6 05 fd e8 4d 01 01 e8 05 7c a0 ff <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90
[ 438.976947] RSP: 0018:ffff888124a53610 EFLAGS: 00010286
[ 438.977446] RAX: 0000000000000000 RBX: ffff888119d56de0 RCX: 0000000000000000
[ 438.978090] RDX: ffff88852c828700 RSI: ffff88852c81b3c0 RDI: ffff88852c81b3c0
[ 438.978721] RBP: ffff888120fa0e88 R08: 0000000000000000 R09: ffff888124a534b0
[ 438.979353] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888119d56de0
[ 438.979979] R13: ffff888120fa0ec0 R14: ffff888120fa0ee8 R15: ffff888119d56de0
[ 438.980607] FS: 00007fe6dcc0f800(0000) GS:ffff88852c800000(0000) knlGS:0000000000000000
[ 438.983984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 438.984544] CR2: 00000000004275e0 CR3: 0000000186982001 CR4: 0000000000372eb0
[ 438.985205] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 438.985842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 438.986507] Call Trace:
[ 438.986799] <TASK>
[ 438.987070] ? __warn+0x7d/0x110
[ 438.987426] ? refcount_warn_saturate+0xfb/0x110
[ 438.987877] ? report_bug+0x17d/0x190
[ 438.988261] ? prb_read_valid+0x17/0x20
[ 438.988659] ? handle_bug+0x53/0x90
[ 438.989054] ? exc_invalid_op+0x14/0x70
[ 438.989458] ? asm_exc_invalid_op+0x16/0x20
[ 438.989883] ? refcount_warn_saturate+0xfb/0x110
[ 438.990348] mlx5_del_flow_rules+0x2f7/0x340 [mlx5_core]
[ 438.990932] __mlx5_eswitch_del_rule+0x49/0x170 [mlx5_core]
[ 438.991519] ? mlx5_lag_is_sriov+0x3c/0x50 [mlx5_core]
[ 438.992054] ? xas_load+0x9/0xb0
[ 438.992407] mlx5e_tc_rule_unoffload+0x45/0xe0 [mlx5_core]
[ 438.993037] mlx5e_tc_del_fdb_flow+0x2a6/0x2e0 [mlx5_core]
[ 438.993623] mlx5e_flow_put+0x29/0x60 [mlx5_core]
[ 438.994161] mlx5e_delete_flower+0x261/0x390 [mlx5_core]
[ 438.994728] tc_setup_cb_destroy+0xb9/0x190
[ 438.995150] fl_hw_destroy_filter+0x94/0xc0 [cls_flower]
[ 438.995650] fl_change+0x11a4/0x13c0 [cls_flower]
[ 438.996105] tc_new_tfilter+0x347/0xbc0
[ 438.996503] ? __
---truncated---
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 718ce4d601dbf73b5dbe024a88c9e34168fe87f2 Version: 718ce4d601dbf73b5dbe024a88c9e34168fe87f2 Version: 718ce4d601dbf73b5dbe024a88c9e34168fe87f2 Version: 718ce4d601dbf73b5dbe024a88c9e34168fe87f2 Version: 718ce4d601dbf73b5dbe024a88c9e34168fe87f2 Version: 718ce4d601dbf73b5dbe024a88c9e34168fe87f2 Version: 718ce4d601dbf73b5dbe024a88c9e34168fe87f2 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: fs, lock FTE when checking if active\n\nThe referenced commits introduced a two-step process for deleting FTEs:\n\n- Lock the FTE, delete it from hardware, set the hardware deletion function\n to NULL and unlock the FTE.\n- Lock the parent flow group, delete the software copy of the FTE, and\n remove it from the xarray.\n\nHowever, this approach encounters a race condition if a rule with the same\nmatch value is added simultaneously. In this scenario, fs_core may set the\nhardware deletion function to NULL prematurely, causing a panic during\nsubsequent rule deletions.\n\nTo prevent this, ensure the active flag of the FTE is checked under a lock,\nwhich will prevent the fs_core layer from attaching a new steering rule to\nan FTE that is in the process of deletion.\n\n[ 438.967589] MOSHE: 2496 mlx5_del_flow_rules del_hw_func\n[ 438.968205] ------------[ cut here ]------------\n[ 438.968654] refcount_t: decrement hit 0; leaking memory.\n[ 438.969249] WARNING: CPU: 0 PID: 8957 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110\n[ 438.970054] Modules linked in: act_mirred cls_flower act_gact sch_ingress openvswitch nsh mlx5_vdpa vringh vhost_iotlb vdpa mlx5_ib mlx5_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_nat nf_nat br_netfilter rpcsec_gss_krb5 auth_rpcgss oid_registry overlay rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm ib_uverbs ib_core zram zsmalloc fuse [last unloaded: cls_flower]\n[ 438.973288] CPU: 0 UID: 0 PID: 8957 Comm: tc Not tainted 6.12.0-rc1+ #8\n[ 438.973888] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n[ 438.974874] RIP: 0010:refcount_warn_saturate+0xfb/0x110\n[ 438.975363] Code: 40 66 3b 82 c6 05 16 e9 4d 01 01 e8 1f 7c a0 ff 0f 0b c3 cc cc cc cc 48 c7 c7 10 66 3b 82 c6 05 fd e8 4d 01 01 e8 05 7c a0 ff \u003c0f\u003e 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90\n[ 438.976947] RSP: 0018:ffff888124a53610 EFLAGS: 00010286\n[ 438.977446] RAX: 0000000000000000 RBX: ffff888119d56de0 RCX: 0000000000000000\n[ 438.978090] RDX: ffff88852c828700 RSI: ffff88852c81b3c0 RDI: ffff88852c81b3c0\n[ 438.978721] RBP: ffff888120fa0e88 R08: 0000000000000000 R09: ffff888124a534b0\n[ 438.979353] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888119d56de0\n[ 438.979979] R13: ffff888120fa0ec0 R14: ffff888120fa0ee8 R15: ffff888119d56de0\n[ 438.980607] FS: 00007fe6dcc0f800(0000) GS:ffff88852c800000(0000) knlGS:0000000000000000\n[ 438.983984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 438.984544] CR2: 00000000004275e0 CR3: 0000000186982001 CR4: 0000000000372eb0\n[ 438.985205] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 438.985842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[ 438.986507] Call Trace:\n[ 438.986799] \u003cTASK\u003e\n[ 438.987070] ? __warn+0x7d/0x110\n[ 438.987426] ? refcount_warn_saturate+0xfb/0x110\n[ 438.987877] ? report_bug+0x17d/0x190\n[ 438.988261] ? prb_read_valid+0x17/0x20\n[ 438.988659] ? handle_bug+0x53/0x90\n[ 438.989054] ? exc_invalid_op+0x14/0x70\n[ 438.989458] ? asm_exc_invalid_op+0x16/0x20\n[ 438.989883] ? refcount_warn_saturate+0xfb/0x110\n[ 438.990348] mlx5_del_flow_rules+0x2f7/0x340 [mlx5_core]\n[ 438.990932] __mlx5_eswitch_del_rule+0x49/0x170 [mlx5_core]\n[ 438.991519] ? mlx5_lag_is_sriov+0x3c/0x50 [mlx5_core]\n[ 438.992054] ? xas_load+0x9/0xb0\n[ 438.992407] mlx5e_tc_rule_unoffload+0x45/0xe0 [mlx5_core]\n[ 438.993037] mlx5e_tc_del_fdb_flow+0x2a6/0x2e0 [mlx5_core]\n[ 438.993623] mlx5e_flow_put+0x29/0x60 [mlx5_core]\n[ 438.994161] mlx5e_delete_flower+0x261/0x390 [mlx5_core]\n[ 438.994728] tc_setup_cb_destroy+0xb9/0x190\n[ 438.995150] fl_hw_destroy_filter+0x94/0xc0 [cls_flower]\n[ 438.995650] fl_change+0x11a4/0x13c0 [cls_flower]\n[ 438.996105] tc_new_tfilter+0x347/0xbc0\n[ 438.996503] ? __\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The race is driven through the local netlink/tc syscall interface (RTM_NEWTFILTER/RTM_DELTFILTER \u2192 cls_flower \u2192 mlx5e TC offload \u2192 mlx5_{add,del}_flow_rules), as shown in the reporter\u0027s trace. No remote packet-driven path into concurrent same-match-value FTE add/delete exists (aRFS adds are serialized on a single-threaded workqueue).\nAC:L - The attacker controls both sides of the race: cls_flower is TCF_PROTO_OPS_DOIT_UNLOCKED, so two threads can add and delete the identical flower filter concurrently without RTNL, in an unbounded loop. The vulnerable window is wide \u2014 it spans the entire delete_fte firmware command, because del_hw_func is NULLed before the FW call while node.active is only cleared after it completes.\nPR:L - Triggering requires CAP_NET_ADMIN over the netns owning an mlx5 netdev, enforced via ns_capable() and therefore obtainable through user namespaces (unshare -Urn), and routinely held by container root when an SR-IOV VF or representor is delegated into a container. This is unprivileged-user-reachable in realistic multi-tenant SR-IOV/switchdev deployments, not real init-namespace root.\nUI:N - The attacker performs both the add and delete operations itself from its own threads; no victim action or cooperation is needed.\nS:U - The corruption and the crash are confined to the kernel\u0027s own security authority on the same host; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The race leaves a heap object with a corrupted function pointer and a prematurely-zeroed, permanently saturated refcount that is never freed or unhashed, and desynchronizes hardware steering from software policy \u2014 in switchdev/SR-IOV deployments stale or missing FDB entries can steer tenant traffic to the wrong vport, exposing it. Choosing the higher value given the lifetime corruption is memory-safety-adjacent rather than a benign crash.\nI:H - This is not a plain NULL data dereference: an in-heap function pointer (fte-\u003enode.del_hw_func) is corrupted to NULL and then indirectly called, i.e. a control-flow transfer through a corrupted pointer, alongside reference-count corruption. Additionally the hardware rule can never be torn down once del_hw_func is NULL, so deleted steering/firewall rules persist in hardware while the operator believes they were removed.\nA:H - The next deletion of a rule on the resurrected FTE unconditionally calls a NULL function pointer, producing a kernel oops with the FTE rwsem (and tc filter state) still held, so all subsequent flow-steering and device-config operations hang permanently; on panic_on_warn systems the refcount_warn_saturate WARN alone panics the box."
}
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"providerMetadata": {
"dateUpdated": "2026-08-05T11:43:51.943Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"references": [
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"url": "https://git.kernel.org/stable/c/0d568258f99f2076ab02e9234cbabbd43e12f30e"
},
{
"url": "https://git.kernel.org/stable/c/a508c74ceae2f5a4647f67c362126516d6404ed9"
},
{
"url": "https://git.kernel.org/stable/c/5b47c2f47c2fe921681f4a4fe2790375e6c04cdd"
},
{
"url": "https://git.kernel.org/stable/c/bfba288f53192db08c68d4c568db9783fb9cb838"
},
{
"url": "https://git.kernel.org/stable/c/094d1a2121cee1e85ab07d74388f94809dcfb5b9"
},
{
"url": "https://git.kernel.org/stable/c/933ef0d17f012b653e9e6006e3f50c8d0238b5ed"
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"url": "https://git.kernel.org/stable/c/9ca314419930f9135727e39d77e66262d5f7bef6"
}
],
"title": "net/mlx5: fs, lock FTE when checking if active",
"x_generator": {
"engine": "bippy-1.2.0"
}
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},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-53121",
"datePublished": "2024-12-02T13:44:51.864Z",
"dateReserved": "2024-11-19T17:17:24.994Z",
"dateUpdated": "2026-08-05T11:43:51.943Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-49946 (GCVE-0-2024-49946)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ppp: do not assume bh is held in ppp_channel_bridge_input()
Networking receive path is usually handled from BH handler.
However, some protocols need to acquire the socket lock, and
packets might be stored in the socket backlog is the socket was
owned by a user process.
In this case, release_sock(), __release_sock(), and sk_backlog_rcv()
might call the sk->sk_backlog_rcv() handler in process context.
sybot caught ppp was not considering this case in
ppp_channel_bridge_input() :
WARNING: inconsistent lock state
6.11.0-rc7-syzkaller-g5f5673607153 #0 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
ksoftirqd/1/24 [HC0[0]:SC1[1]:HE1:SE0] takes:
ffff0000db7f11e0 (&pch->downl){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffff0000db7f11e0 (&pch->downl){+.?.}-{2:2}, at: ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2272 [inline]
ffff0000db7f11e0 (&pch->downl){+.?.}-{2:2}, at: ppp_input+0x16c/0x854 drivers/net/ppp/ppp_generic.c:2304
{SOFTIRQ-ON-W} state was registered at:
lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5759
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:351 [inline]
ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2272 [inline]
ppp_input+0x16c/0x854 drivers/net/ppp/ppp_generic.c:2304
pppoe_rcv_core+0xfc/0x314 drivers/net/ppp/pppoe.c:379
sk_backlog_rcv include/net/sock.h:1111 [inline]
__release_sock+0x1a8/0x3d8 net/core/sock.c:3004
release_sock+0x68/0x1b8 net/core/sock.c:3558
pppoe_sendmsg+0xc8/0x5d8 drivers/net/ppp/pppoe.c:903
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x374/0x4f4 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2212
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 282914
hardirqs last enabled at (282914): [<ffff80008b42e30c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last enabled at (282914): [<ffff80008b42e30c>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (282913): [<ffff80008b42e13c>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (282913): [<ffff80008b42e13c>] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162
softirqs last enabled at (282904): [<ffff8000801f8e88>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last enabled at (282904): [<ffff8000801f8e88>] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582
softirqs last disabled at (282909): [<ffff8000801fbdf8>] run_ksoftirqd+0x70/0x158 kernel/softirq.c:928
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&pch->downl);
<Interrupt>
lock(&pch->downl);
*** DEADLOCK ***
1 lock held by ksoftirqd/1/24:
#0: ffff80008f74dfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:325
stack backtrace:
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call trace:
dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326
__dump_sta
---truncated---
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4cf476ced45d7f12df30a68e833b263e7a2202d1 Version: 4cf476ced45d7f12df30a68e833b263e7a2202d1 Version: 4cf476ced45d7f12df30a68e833b263e7a2202d1 Version: 4cf476ced45d7f12df30a68e833b263e7a2202d1 Version: 4cf476ced45d7f12df30a68e833b263e7a2202d1 Version: 4cf476ced45d7f12df30a68e833b263e7a2202d1 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nppp: do not assume bh is held in ppp_channel_bridge_input()\n\nNetworking receive path is usually handled from BH handler.\nHowever, some protocols need to acquire the socket lock, and\npackets might be stored in the socket backlog is the socket was\nowned by a user process.\n\nIn this case, release_sock(), __release_sock(), and sk_backlog_rcv()\nmight call the sk-\u003esk_backlog_rcv() handler in process context.\n\nsybot caught ppp was not considering this case in\nppp_channel_bridge_input() :\n\nWARNING: inconsistent lock state\n6.11.0-rc7-syzkaller-g5f5673607153 #0 Not tainted\n--------------------------------\ninconsistent {SOFTIRQ-ON-W} -\u003e {IN-SOFTIRQ-W} usage.\nksoftirqd/1/24 [HC0[0]:SC1[1]:HE1:SE0] takes:\n ffff0000db7f11e0 (\u0026pch-\u003edownl){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]\n ffff0000db7f11e0 (\u0026pch-\u003edownl){+.?.}-{2:2}, at: ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2272 [inline]\n ffff0000db7f11e0 (\u0026pch-\u003edownl){+.?.}-{2:2}, at: ppp_input+0x16c/0x854 drivers/net/ppp/ppp_generic.c:2304\n{SOFTIRQ-ON-W} state was registered at:\n lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5759\n __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]\n _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154\n spin_lock include/linux/spinlock.h:351 [inline]\n ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2272 [inline]\n ppp_input+0x16c/0x854 drivers/net/ppp/ppp_generic.c:2304\n pppoe_rcv_core+0xfc/0x314 drivers/net/ppp/pppoe.c:379\n sk_backlog_rcv include/net/sock.h:1111 [inline]\n __release_sock+0x1a8/0x3d8 net/core/sock.c:3004\n release_sock+0x68/0x1b8 net/core/sock.c:3558\n pppoe_sendmsg+0xc8/0x5d8 drivers/net/ppp/pppoe.c:903\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg net/socket.c:745 [inline]\n __sys_sendto+0x374/0x4f4 net/socket.c:2204\n __do_sys_sendto net/socket.c:2216 [inline]\n __se_sys_sendto net/socket.c:2212 [inline]\n __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2212\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712\n el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730\n el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598\nirq event stamp: 282914\n hardirqs last enabled at (282914): [\u003cffff80008b42e30c\u003e] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]\n hardirqs last enabled at (282914): [\u003cffff80008b42e30c\u003e] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194\n hardirqs last disabled at (282913): [\u003cffff80008b42e13c\u003e] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]\n hardirqs last disabled at (282913): [\u003cffff80008b42e13c\u003e] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162\n softirqs last enabled at (282904): [\u003cffff8000801f8e88\u003e] softirq_handle_end kernel/softirq.c:400 [inline]\n softirqs last enabled at (282904): [\u003cffff8000801f8e88\u003e] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582\n softirqs last disabled at (282909): [\u003cffff8000801fbdf8\u003e] run_ksoftirqd+0x70/0x158 kernel/softirq.c:928\n\nother info that might help us debug this:\n Possible unsafe locking scenario:\n\n CPU0\n ----\n lock(\u0026pch-\u003edownl);\n \u003cInterrupt\u003e\n lock(\u0026pch-\u003edownl);\n\n *** DEADLOCK ***\n\n1 lock held by ksoftirqd/1/24:\n #0: ffff80008f74dfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:325\n\nstack backtrace:\nCPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nCall trace:\n dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319\n show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326\n __dump_sta\n---truncated---"
}
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"url": "https://git.kernel.org/stable/c/176dd41e8c2bd997ed3d66568a3362e69ecce99b"
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{
"url": "https://git.kernel.org/stable/c/635deca1800a68624f185dc1e04a8495b48cf185"
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"url": "https://git.kernel.org/stable/c/f9620e2a665aa642625bd2501282bbddff556bd7"
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},
{
"url": "https://git.kernel.org/stable/c/aec7291003df78cb71fd461d7b672912bde55807"
}
],
"title": "ppp: do not assume bh is held in ppp_channel_bridge_input()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-49946",
"datePublished": "2024-10-21T18:02:03.779Z",
"dateReserved": "2024-10-21T12:17:06.044Z",
"dateUpdated": "2026-05-11T20:42:36.068Z",
"state": "PUBLISHED"
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CVE-2024-50278 (GCVE-0-2024-50278)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
dm cache: fix potential out-of-bounds access on the first resume
Out-of-bounds access occurs if the fast device is expanded unexpectedly
before the first-time resume of the cache table. This happens because
expanding the fast device requires reloading the cache table for
cache_create to allocate new in-core data structures that fit the new
size, and the check in cache_preresume is not performed during the
first resume, leading to the issue.
Reproduce steps:
1. prepare component devices:
dmsetup create cmeta --table "0 8192 linear /dev/sdc 0"
dmsetup create cdata --table "0 65536 linear /dev/sdc 8192"
dmsetup create corig --table "0 524288 linear /dev/sdc 262144"
dd if=/dev/zero of=/dev/mapper/cmeta bs=4k count=1 oflag=direct
2. load a cache table of 512 cache blocks, and deliberately expand the
fast device before resuming the cache, making the in-core data
structures inadequate.
dmsetup create cache --notable
dmsetup reload cache --table "0 524288 cache /dev/mapper/cmeta \
/dev/mapper/cdata /dev/mapper/corig 128 2 metadata2 writethrough smq 0"
dmsetup reload cdata --table "0 131072 linear /dev/sdc 8192"
dmsetup resume cdata
dmsetup resume cache
3. suspend the cache to write out the in-core dirty bitset and hint
array, leading to out-of-bounds access to the dirty bitset at offset
0x40:
dmsetup suspend cache
KASAN reports:
BUG: KASAN: vmalloc-out-of-bounds in is_dirty_callback+0x2b/0x80
Read of size 8 at addr ffffc90000085040 by task dmsetup/90
(...snip...)
The buggy address belongs to the virtual mapping at
[ffffc90000085000, ffffc90000087000) created by:
cache_ctr+0x176a/0x35f0
(...snip...)
Memory state around the buggy address:
ffffc90000084f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90000084f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc90000085000: 00 00 00 00 00 00 00 00 f8 f8 f8 f8 f8 f8 f8 f8
^
ffffc90000085080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90000085100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
Fix by checking the size change on the first resume.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Version: f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 |
||
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"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
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}
},
{
"other": {
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"options": [
{
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{
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{
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}
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"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
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{
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"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
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"vulnerable": true
},
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm cache: fix potential out-of-bounds access on the first resume\n\nOut-of-bounds access occurs if the fast device is expanded unexpectedly\nbefore the first-time resume of the cache table. This happens because\nexpanding the fast device requires reloading the cache table for\ncache_create to allocate new in-core data structures that fit the new\nsize, and the check in cache_preresume is not performed during the\nfirst resume, leading to the issue.\n\nReproduce steps:\n\n1. prepare component devices:\n\ndmsetup create cmeta --table \"0 8192 linear /dev/sdc 0\"\ndmsetup create cdata --table \"0 65536 linear /dev/sdc 8192\"\ndmsetup create corig --table \"0 524288 linear /dev/sdc 262144\"\ndd if=/dev/zero of=/dev/mapper/cmeta bs=4k count=1 oflag=direct\n\n2. load a cache table of 512 cache blocks, and deliberately expand the\n fast device before resuming the cache, making the in-core data\n structures inadequate.\n\ndmsetup create cache --notable\ndmsetup reload cache --table \"0 524288 cache /dev/mapper/cmeta \\\n/dev/mapper/cdata /dev/mapper/corig 128 2 metadata2 writethrough smq 0\"\ndmsetup reload cdata --table \"0 131072 linear /dev/sdc 8192\"\ndmsetup resume cdata\ndmsetup resume cache\n\n3. suspend the cache to write out the in-core dirty bitset and hint\n array, leading to out-of-bounds access to the dirty bitset at offset\n 0x40:\n\ndmsetup suspend cache\n\nKASAN reports:\n\n BUG: KASAN: vmalloc-out-of-bounds in is_dirty_callback+0x2b/0x80\n Read of size 8 at addr ffffc90000085040 by task dmsetup/90\n\n (...snip...)\n The buggy address belongs to the virtual mapping at\n [ffffc90000085000, ffffc90000087000) created by:\n cache_ctr+0x176a/0x35f0\n\n (...snip...)\n Memory state around the buggy address:\n ffffc90000084f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8\n ffffc90000084f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8\n \u003effffc90000085000: 00 00 00 00 00 00 00 00 f8 f8 f8 f8 f8 f8 f8 f8\n ^\n ffffc90000085080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8\n ffffc90000085100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8\n\nFix by checking the size change on the first resume."
}
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"title": "dm cache: fix potential out-of-bounds access on the first resume",
"x_generator": {
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"datePublished": "2024-11-19T01:30:19.352Z",
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CVE-2024-53059 (GCVE-0-2024-53059)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: Fix response handling in iwl_mvm_send_recovery_cmd()
1. The size of the response packet is not validated.
2. The response buffer is not freed.
Resolve these issues by switching to iwl_mvm_send_cmd_status(),
which handles both size validation and frees the buffer.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f130bb75d8817c560b48c4d1a0e5279968a0859d Version: f130bb75d8817c560b48c4d1a0e5279968a0859d Version: f130bb75d8817c560b48c4d1a0e5279968a0859d Version: f130bb75d8817c560b48c4d1a0e5279968a0859d Version: f130bb75d8817c560b48c4d1a0e5279968a0859d Version: f130bb75d8817c560b48c4d1a0e5279968a0859d Version: f130bb75d8817c560b48c4d1a0e5279968a0859d |
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CVE-2024-44958 (GCVE-0-2024-44958)
Vulnerability from cvelistv5
Published
2024-09-04 18:35
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
sched/smt: Fix unbalance sched_smt_present dec/inc
I got the following warn report while doing stress test:
jump label: negative count!
WARNING: CPU: 3 PID: 38 at kernel/jump_label.c:263 static_key_slow_try_dec+0x9d/0xb0
Call Trace:
<TASK>
__static_key_slow_dec_cpuslocked+0x16/0x70
sched_cpu_deactivate+0x26e/0x2a0
cpuhp_invoke_callback+0x3ad/0x10d0
cpuhp_thread_fun+0x3f5/0x680
smpboot_thread_fn+0x56d/0x8d0
kthread+0x309/0x400
ret_from_fork+0x41/0x70
ret_from_fork_asm+0x1b/0x30
</TASK>
Because when cpuset_cpu_inactive() fails in sched_cpu_deactivate(),
the cpu offline failed, but sched_smt_present is decremented before
calling sched_cpu_deactivate(), it leads to unbalanced dec/inc, so
fix it by incrementing sched_smt_present in the error path.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: c5511d03ec090980732e929c318a7a6374b5550e Version: c5511d03ec090980732e929c318a7a6374b5550e Version: c5511d03ec090980732e929c318a7a6374b5550e Version: c5511d03ec090980732e929c318a7a6374b5550e Version: c5511d03ec090980732e929c318a7a6374b5550e Version: 01659361c63fdc91c0af239d08cdd211d590a656 Version: a2c094816f894b7a265851fad858e994fa0f78b3 Version: 4.14.86 ≤ Version: 4.19.7 ≤ |
||
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CVE-2024-50302 (GCVE-0-2024-50302)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-23 15:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
HID: core: zero-initialize the report buffer
Since the report buffer is used by all kinds of drivers in various ways, let's
zero-initialize it during allocation to make sure that it can't be ever used
to leak kernel memory via specially-crafted report.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 27ce405039bfe6d3f4143415c638f56a3df77dca Version: 27ce405039bfe6d3f4143415c638f56a3df77dca Version: 27ce405039bfe6d3f4143415c638f56a3df77dca Version: 27ce405039bfe6d3f4143415c638f56a3df77dca Version: 27ce405039bfe6d3f4143415c638f56a3df77dca Version: 27ce405039bfe6d3f4143415c638f56a3df77dca Version: 27ce405039bfe6d3f4143415c638f56a3df77dca Version: 27ce405039bfe6d3f4143415c638f56a3df77dca Version: b2b6cadad699d44a8a5b2a60f3d960e00d6fb3b7 Version: fe6c9b48ebc920ff21c10c50ab2729440c734254 Version: 3.10.16 ≤ Version: 3.11.5 ≤ |
||
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CVE-2024-46825 (GCVE-0-2024-46825)
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2026-05-11 20:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: use IWL_FW_CHECK for link ID check
The lookup function iwl_mvm_rcu_fw_link_id_to_link_conf() is
normally called with input from the firmware, so it should use
IWL_FW_CHECK() instead of WARN_ON().
References
Impacted products
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CVE-2024-49884 (GCVE-0-2024-49884)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix slab-use-after-free in ext4_split_extent_at()
We hit the following use-after-free:
==================================================================
BUG: KASAN: slab-use-after-free in ext4_split_extent_at+0xba8/0xcc0
Read of size 2 at addr ffff88810548ed08 by task kworker/u20:0/40
CPU: 0 PID: 40 Comm: kworker/u20:0 Not tainted 6.9.0-dirty #724
Call Trace:
<TASK>
kasan_report+0x93/0xc0
ext4_split_extent_at+0xba8/0xcc0
ext4_split_extent.isra.0+0x18f/0x500
ext4_split_convert_extents+0x275/0x750
ext4_ext_handle_unwritten_extents+0x73e/0x1580
ext4_ext_map_blocks+0xe20/0x2dc0
ext4_map_blocks+0x724/0x1700
ext4_do_writepages+0x12d6/0x2a70
[...]
Allocated by task 40:
__kmalloc_noprof+0x1ac/0x480
ext4_find_extent+0xf3b/0x1e70
ext4_ext_map_blocks+0x188/0x2dc0
ext4_map_blocks+0x724/0x1700
ext4_do_writepages+0x12d6/0x2a70
[...]
Freed by task 40:
kfree+0xf1/0x2b0
ext4_find_extent+0xa71/0x1e70
ext4_ext_insert_extent+0xa22/0x3260
ext4_split_extent_at+0x3ef/0xcc0
ext4_split_extent.isra.0+0x18f/0x500
ext4_split_convert_extents+0x275/0x750
ext4_ext_handle_unwritten_extents+0x73e/0x1580
ext4_ext_map_blocks+0xe20/0x2dc0
ext4_map_blocks+0x724/0x1700
ext4_do_writepages+0x12d6/0x2a70
[...]
==================================================================
The flow of issue triggering is as follows:
ext4_split_extent_at
path = *ppath
ext4_ext_insert_extent(ppath)
ext4_ext_create_new_leaf(ppath)
ext4_find_extent(orig_path)
path = *orig_path
read_extent_tree_block
// return -ENOMEM or -EIO
ext4_free_ext_path(path)
kfree(path)
*orig_path = NULL
a. If err is -ENOMEM:
ext4_ext_dirty(path + path->p_depth)
// path use-after-free !!!
b. If err is -EIO and we have EXT_DEBUG defined:
ext4_ext_show_leaf(path)
eh = path[depth].p_hdr
// path also use-after-free !!!
So when trying to zeroout or fix the extent length, call ext4_find_extent()
to update the path.
In addition we use *ppath directly as an ext4_ext_show_leaf() input to
avoid possible use-after-free when EXT_DEBUG is defined, and to avoid
unnecessary path updates.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: dfe5080939ea4686b3414b5d970a9b26733c57a4 Version: dfe5080939ea4686b3414b5d970a9b26733c57a4 Version: dfe5080939ea4686b3414b5d970a9b26733c57a4 Version: dfe5080939ea4686b3414b5d970a9b26733c57a4 Version: dfe5080939ea4686b3414b5d970a9b26733c57a4 Version: dfe5080939ea4686b3414b5d970a9b26733c57a4 Version: dfe5080939ea4686b3414b5d970a9b26733c57a4 Version: dfe5080939ea4686b3414b5d970a9b26733c57a4 Version: dfe5080939ea4686b3414b5d970a9b26733c57a4 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix slab-use-after-free in ext4_split_extent_at()\n\nWe hit the following use-after-free:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in ext4_split_extent_at+0xba8/0xcc0\nRead of size 2 at addr ffff88810548ed08 by task kworker/u20:0/40\nCPU: 0 PID: 40 Comm: kworker/u20:0 Not tainted 6.9.0-dirty #724\nCall Trace:\n \u003cTASK\u003e\n kasan_report+0x93/0xc0\n ext4_split_extent_at+0xba8/0xcc0\n ext4_split_extent.isra.0+0x18f/0x500\n ext4_split_convert_extents+0x275/0x750\n ext4_ext_handle_unwritten_extents+0x73e/0x1580\n ext4_ext_map_blocks+0xe20/0x2dc0\n ext4_map_blocks+0x724/0x1700\n ext4_do_writepages+0x12d6/0x2a70\n[...]\n\nAllocated by task 40:\n __kmalloc_noprof+0x1ac/0x480\n ext4_find_extent+0xf3b/0x1e70\n ext4_ext_map_blocks+0x188/0x2dc0\n ext4_map_blocks+0x724/0x1700\n ext4_do_writepages+0x12d6/0x2a70\n[...]\n\nFreed by task 40:\n kfree+0xf1/0x2b0\n ext4_find_extent+0xa71/0x1e70\n ext4_ext_insert_extent+0xa22/0x3260\n ext4_split_extent_at+0x3ef/0xcc0\n ext4_split_extent.isra.0+0x18f/0x500\n ext4_split_convert_extents+0x275/0x750\n ext4_ext_handle_unwritten_extents+0x73e/0x1580\n ext4_ext_map_blocks+0xe20/0x2dc0\n ext4_map_blocks+0x724/0x1700\n ext4_do_writepages+0x12d6/0x2a70\n[...]\n==================================================================\n\nThe flow of issue triggering is as follows:\n\next4_split_extent_at\n path = *ppath\n ext4_ext_insert_extent(ppath)\n ext4_ext_create_new_leaf(ppath)\n ext4_find_extent(orig_path)\n path = *orig_path\n read_extent_tree_block\n // return -ENOMEM or -EIO\n ext4_free_ext_path(path)\n kfree(path)\n *orig_path = NULL\n a. If err is -ENOMEM:\n ext4_ext_dirty(path + path-\u003ep_depth)\n // path use-after-free !!!\n b. If err is -EIO and we have EXT_DEBUG defined:\n ext4_ext_show_leaf(path)\n eh = path[depth].p_hdr\n // path also use-after-free !!!\n\nSo when trying to zeroout or fix the extent length, call ext4_find_extent()\nto update the path.\n\nIn addition we use *ppath directly as an ext4_ext_show_leaf() input to\navoid possible use-after-free when EXT_DEBUG is defined, and to avoid\nunnecessary path updates."
}
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"value": "AV:L - The vulnerable code is the ext4 extent-splitting path reached through ordinary file I/O (write/fallocate plus writeback) on a locally mounted filesystem. No network protocol handler is involved, so local access to the system is required.\nAC:L - Every precondition is attacker-shaped: the extent-tree depth and fullness are controlled by fragmenting the attacker\u0027s own file, writeback is forced on demand with fsync/sync_file_range, and the -ENOMEM that triggers the fallthrough is inducible by an unprivileged task creating memory pressure against GFP_NOFS allocations, which cannot fall back on filesystem reclaim. The reallocation window is widened by the sleeping ext4_ext_zeroout() block I/O on the same code path.\nPR:L - Only an unprivileged local account with write access to any ext4 file (world-writable /tmp or the user\u0027s home directory) is needed; no capability, mount privilege, or admin right is checked anywhere along ext4_do_writepages \u2192 ext4_ext_map_blocks \u2192 ext4_split_extent_at.\nUI:N - The attacker operates entirely on files they own and triggers writeback themselves; no victim action, mount of a crafted image, or administrator involvement is required.\nS:U - The use-after-free corrupts kernel slab memory within the same kernel security authority, with no crossing of a VM, IOMMU, or hypervisor boundary.\nC:H - The freed struct ext4_ext_path array lives in a sprayable general kmalloc cache, and the stale p_depth/p_bh fields are dereferenced, so a reallocated object lets the attacker point ext4 at arbitrary kernel addresses and observe results, giving disclosure of arbitrary kernel memory.\nI:H - __ext4_ext_dirty() performs set_buffer_verified() (an arbitrary bit set) and ext4_extent_block_csum_set() (a controlled 4-byte write through a forged buffer_head b_data pointer) on the reallocated object, a classic UAF write primitive usable for control-flow hijack; ext4_ext_zeroout() on the stale extent can additionally zero incorrect on-disk blocks.\nA:H - Even without successful heap grooming the dangling path dereference reliably oopses or panics the kernel in a writeback kworker, as demonstrated by the reported KASAN slab-use-after-free, and it can be retriggered at will."
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CVE-2024-50282 (GCVE-0-2024-50282)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-08-05 11:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: add missing size check in amdgpu_debugfs_gprwave_read()
Avoid a possible buffer overflow if size is larger than 4K.
(cherry picked from commit f5d873f5825b40d886d03bd2aede91d4cf002434)
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-53052 (GCVE-0-2024-53052)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
io_uring/rw: fix missing NOWAIT check for O_DIRECT start write
When io_uring starts a write, it'll call kiocb_start_write() to bump the
super block rwsem, preventing any freezes from happening while that
write is in-flight. The freeze side will grab that rwsem for writing,
excluding any new writers from happening and waiting for existing writes
to finish. But io_uring unconditionally uses kiocb_start_write(), which
will block if someone is currently attempting to freeze the mount point.
This causes a deadlock where freeze is waiting for previous writes to
complete, but the previous writes cannot complete, as the task that is
supposed to complete them is blocked waiting on starting a new write.
This results in the following stuck trace showing that dependency with
the write blocked starting a new write:
task:fio state:D stack:0 pid:886 tgid:886 ppid:876
Call trace:
__switch_to+0x1d8/0x348
__schedule+0x8e8/0x2248
schedule+0x110/0x3f0
percpu_rwsem_wait+0x1e8/0x3f8
__percpu_down_read+0xe8/0x500
io_write+0xbb8/0xff8
io_issue_sqe+0x10c/0x1020
io_submit_sqes+0x614/0x2110
__arm64_sys_io_uring_enter+0x524/0x1038
invoke_syscall+0x74/0x268
el0_svc_common.constprop.0+0x160/0x238
do_el0_svc+0x44/0x60
el0_svc+0x44/0xb0
el0t_64_sync_handler+0x118/0x128
el0t_64_sync+0x168/0x170
INFO: task fsfreeze:7364 blocked for more than 15 seconds.
Not tainted 6.12.0-rc5-00063-g76aaf945701c #7963
with the attempting freezer stuck trying to grab the rwsem:
task:fsfreeze state:D stack:0 pid:7364 tgid:7364 ppid:995
Call trace:
__switch_to+0x1d8/0x348
__schedule+0x8e8/0x2248
schedule+0x110/0x3f0
percpu_down_write+0x2b0/0x680
freeze_super+0x248/0x8a8
do_vfs_ioctl+0x149c/0x1b18
__arm64_sys_ioctl+0xd0/0x1a0
invoke_syscall+0x74/0x268
el0_svc_common.constprop.0+0x160/0x238
do_el0_svc+0x44/0x60
el0_svc+0x44/0xb0
el0t_64_sync_handler+0x118/0x128
el0t_64_sync+0x168/0x170
Fix this by having the io_uring side honor IOCB_NOWAIT, and only attempt a
blocking grab of the super block rwsem if it isn't set. For normal issue
where IOCB_NOWAIT would always be set, this returns -EAGAIN which will
have io_uring core issue a blocking attempt of the write. That will in
turn also get completions run, ensuring forward progress.
Since freezing requires CAP_SYS_ADMIN in the first place, this isn't
something that can be triggered by a regular user.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e |
||
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CVE-2024-46815 (GCVE-0-2024-46815)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[]
[WHY & HOW]
num_valid_sets needs to be checked to avoid a negative index when
accessing reader_wm_sets[num_valid_sets - 1].
This fixes an OVERRUN issue reported by Coverity.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
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],
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check num_valid_sets before accessing reader_wm_sets[]\n\n[WHY \u0026 HOW]\nnum_valid_sets needs to be checked to avoid a negative index when\naccessing reader_wm_sets[num_valid_sets - 1].\n\nThis fixes an OVERRUN issue reported by Coverity."
}
],
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
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{
"lang": "en",
"value": "AV:L - The affected code is amdgpu display clock-manager init for DCN2.1 (Renoir/Cezanne APUs), reached only through local GPU bring-up \u2014 driver probe and `dc_set_power_state(D0)` on system/runtime-PM resume \u2014 with no network, packet, or remote-peer input anywhere on the path. Local is selected over Physical as the higher-severity of the two defensible options.\nAC:L - Once a platform presents the anomalous watermark table (first valid entry typed `WM_TYPE_RETRAINING`), the negative-index write occurs deterministically on every `rn_notify_wm_ranges()` call \u2014 there is no race, timing window, or memory-layout condition outside the attacker\u0027s control. Chosen as the higher-severity option even though the driver\u0027s own table-population code cannot produce that state.\nPR:L - On an affected platform the vulnerable path is re-entered on every GPU D0 transition, and an unprivileged local user holding `/dev/dri/cardN` (normal desktop/kiosk seat access) can force repeated runtime suspend/resume cycles to re-run `dcn10_init_hw()` \u2192 `rn_notify_wm_ranges()`. No root, CAP_SYS_ADMIN, or namespace privilege is needed to reach the code.\nUI:N - The attacker drives the GPU power-state transitions themselves via their own DRM device access; no separate victim has to log in, open a file, or perform any action.\nS:U - The corrupted memory is the kernel\u0027s own `struct clk_mgr_internal` allocation inside the amdgpu driver, so the fault and its impact stay within the kernel\u0027s security authority \u2014 no VM, IOMMU, or sandbox boundary is crossed.\nC:N - The defect is a write of the fixed constant `PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX` (0xFFFF) to a fixed negative offset; there is no out-of-bounds read, no attacker-chosen address, and no value returned to userspace or any observable channel.\nI:H - This is an out-of-bounds (negative-index) write that lands squarely on the upper half of the live `clk_mgr-\u003ebw_params` kernel pointer, corrupting kernel state that is dereferenced repeatedly afterwards by the clock manager and DML code. Per kernel scoring guidance, an out-of-bounds write is High.\nA:H - After the write, `bw_params` is a wild pointer dereferenced throughout `rn_clk_mgr`/DML on every clock update, producing an oops or panic; because it recurs on each GPU resume, the system is left unusable rather than transiently degraded."
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"url": "https://git.kernel.org/stable/c/7c47dd2e92341f2989ab73dbed07f8894593ad7b"
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"url": "https://git.kernel.org/stable/c/c4a7f7c0062fe2c73f70bb7e335199e25bd71492"
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"url": "https://git.kernel.org/stable/c/21f9cb44f8c60bf6c26487d428b1a09ad3e8aebf"
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},
{
"url": "https://git.kernel.org/stable/c/b38a4815f79b87efb196cd5121579fc51e29a7fb"
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],
"title": "drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[]",
"x_generator": {
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"cveMetadata": {
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"cveId": "CVE-2024-46815",
"datePublished": "2024-09-27T12:35:57.062Z",
"dateReserved": "2024-09-11T15:12:18.283Z",
"dateUpdated": "2026-08-05T11:38:46.003Z",
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CVE-2022-48954 (GCVE-0-2022-48954)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
s390/qeth: fix use-after-free in hsci
KASAN found that addr was dereferenced after br2dev_event_work was freed.
==================================================================
BUG: KASAN: use-after-free in qeth_l2_br2dev_worker+0x5ba/0x6b0
Read of size 1 at addr 00000000fdcea440 by task kworker/u760:4/540
CPU: 17 PID: 540 Comm: kworker/u760:4 Tainted: G E 6.1.0-20221128.rc7.git1.5aa3bed4ce83.300.fc36.s390x+kasan #1
Hardware name: IBM 8561 T01 703 (LPAR)
Workqueue: 0.0.8000_event qeth_l2_br2dev_worker
Call Trace:
[<000000016944d4ce>] dump_stack_lvl+0xc6/0xf8
[<000000016942cd9c>] print_address_description.constprop.0+0x34/0x2a0
[<000000016942d118>] print_report+0x110/0x1f8
[<0000000167a7bd04>] kasan_report+0xfc/0x128
[<000000016938d79a>] qeth_l2_br2dev_worker+0x5ba/0x6b0
[<00000001673edd1e>] process_one_work+0x76e/0x1128
[<00000001673ee85c>] worker_thread+0x184/0x1098
[<000000016740718a>] kthread+0x26a/0x310
[<00000001672c606a>] __ret_from_fork+0x8a/0xe8
[<00000001694711da>] ret_from_fork+0xa/0x40
Allocated by task 108338:
kasan_save_stack+0x40/0x68
kasan_set_track+0x36/0x48
__kasan_kmalloc+0xa0/0xc0
qeth_l2_switchdev_event+0x25a/0x738
atomic_notifier_call_chain+0x9c/0xf8
br_switchdev_fdb_notify+0xf4/0x110
fdb_notify+0x122/0x180
fdb_add_entry.constprop.0.isra.0+0x312/0x558
br_fdb_add+0x59e/0x858
rtnl_fdb_add+0x58a/0x928
rtnetlink_rcv_msg+0x5f8/0x8d8
netlink_rcv_skb+0x1f2/0x408
netlink_unicast+0x570/0x790
netlink_sendmsg+0x752/0xbe0
sock_sendmsg+0xca/0x110
____sys_sendmsg+0x510/0x6a8
___sys_sendmsg+0x12a/0x180
__sys_sendmsg+0xe6/0x168
__do_sys_socketcall+0x3c8/0x468
do_syscall+0x22c/0x328
__do_syscall+0x94/0xf0
system_call+0x82/0xb0
Freed by task 540:
kasan_save_stack+0x40/0x68
kasan_set_track+0x36/0x48
kasan_save_free_info+0x4c/0x68
____kasan_slab_free+0x14e/0x1a8
__kasan_slab_free+0x24/0x30
__kmem_cache_free+0x168/0x338
qeth_l2_br2dev_worker+0x154/0x6b0
process_one_work+0x76e/0x1128
worker_thread+0x184/0x1098
kthread+0x26a/0x310
__ret_from_fork+0x8a/0xe8
ret_from_fork+0xa/0x40
Last potentially related work creation:
kasan_save_stack+0x40/0x68
__kasan_record_aux_stack+0xbe/0xd0
insert_work+0x56/0x2e8
__queue_work+0x4ce/0xd10
queue_work_on+0xf4/0x100
qeth_l2_switchdev_event+0x520/0x738
atomic_notifier_call_chain+0x9c/0xf8
br_switchdev_fdb_notify+0xf4/0x110
fdb_notify+0x122/0x180
fdb_add_entry.constprop.0.isra.0+0x312/0x558
br_fdb_add+0x59e/0x858
rtnl_fdb_add+0x58a/0x928
rtnetlink_rcv_msg+0x5f8/0x8d8
netlink_rcv_skb+0x1f2/0x408
netlink_unicast+0x570/0x790
netlink_sendmsg+0x752/0xbe0
sock_sendmsg+0xca/0x110
____sys_sendmsg+0x510/0x6a8
___sys_sendmsg+0x12a/0x180
__sys_sendmsg+0xe6/0x168
__do_sys_socketcall+0x3c8/0x468
do_syscall+0x22c/0x328
__do_syscall+0x94/0xf0
system_call+0x82/0xb0
Second to last potentially related work creation:
kasan_save_stack+0x40/0x68
__kasan_record_aux_stack+0xbe/0xd0
kvfree_call_rcu+0xb2/0x760
kernfs_unlink_open_file+0x348/0x430
kernfs_fop_release+0xc2/0x320
__fput+0x1ae/0x768
task_work_run+0x1bc/0x298
exit_to_user_mode_prepare+0x1a0/0x1a8
__do_syscall+0x94/0xf0
system_call+0x82/0xb0
The buggy address belongs to the object at 00000000fdcea400
which belongs to the cache kmalloc-96 of size 96
The buggy address is located 64 bytes inside of
96-byte region [00000000fdcea400, 00000000fdcea460)
The buggy address belongs to the physical page:
page:000000005a9c26e8 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xfdcea
flags: 0x3ffff00000000200(slab|node=0|zone=1|lastcpupid=0x1ffff)
raw: 3ffff00000000200 0000000000000000 0000000100000122 000000008008cc00
raw: 0000000000000000 0020004100000000 ffffffff00000001 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
00000000fdcea300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
00000000fdcea380: fb fb fb fb fb fb f
---truncated---
References
Impacted products
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/qeth: fix use-after-free in hsci\n\nKASAN found that addr was dereferenced after br2dev_event_work was freed.\n\n==================================================================\nBUG: KASAN: use-after-free in qeth_l2_br2dev_worker+0x5ba/0x6b0\nRead of size 1 at addr 00000000fdcea440 by task kworker/u760:4/540\nCPU: 17 PID: 540 Comm: kworker/u760:4 Tainted: G E 6.1.0-20221128.rc7.git1.5aa3bed4ce83.300.fc36.s390x+kasan #1\nHardware name: IBM 8561 T01 703 (LPAR)\nWorkqueue: 0.0.8000_event qeth_l2_br2dev_worker\nCall Trace:\n [\u003c000000016944d4ce\u003e] dump_stack_lvl+0xc6/0xf8\n [\u003c000000016942cd9c\u003e] print_address_description.constprop.0+0x34/0x2a0\n [\u003c000000016942d118\u003e] print_report+0x110/0x1f8\n [\u003c0000000167a7bd04\u003e] kasan_report+0xfc/0x128\n [\u003c000000016938d79a\u003e] qeth_l2_br2dev_worker+0x5ba/0x6b0\n [\u003c00000001673edd1e\u003e] process_one_work+0x76e/0x1128\n [\u003c00000001673ee85c\u003e] worker_thread+0x184/0x1098\n [\u003c000000016740718a\u003e] kthread+0x26a/0x310\n [\u003c00000001672c606a\u003e] __ret_from_fork+0x8a/0xe8\n [\u003c00000001694711da\u003e] ret_from_fork+0xa/0x40\nAllocated by task 108338:\n kasan_save_stack+0x40/0x68\n kasan_set_track+0x36/0x48\n __kasan_kmalloc+0xa0/0xc0\n qeth_l2_switchdev_event+0x25a/0x738\n atomic_notifier_call_chain+0x9c/0xf8\n br_switchdev_fdb_notify+0xf4/0x110\n fdb_notify+0x122/0x180\n fdb_add_entry.constprop.0.isra.0+0x312/0x558\n br_fdb_add+0x59e/0x858\n rtnl_fdb_add+0x58a/0x928\n rtnetlink_rcv_msg+0x5f8/0x8d8\n netlink_rcv_skb+0x1f2/0x408\n netlink_unicast+0x570/0x790\n netlink_sendmsg+0x752/0xbe0\n sock_sendmsg+0xca/0x110\n ____sys_sendmsg+0x510/0x6a8\n ___sys_sendmsg+0x12a/0x180\n __sys_sendmsg+0xe6/0x168\n __do_sys_socketcall+0x3c8/0x468\n do_syscall+0x22c/0x328\n __do_syscall+0x94/0xf0\n system_call+0x82/0xb0\nFreed by task 540:\n kasan_save_stack+0x40/0x68\n kasan_set_track+0x36/0x48\n kasan_save_free_info+0x4c/0x68\n ____kasan_slab_free+0x14e/0x1a8\n __kasan_slab_free+0x24/0x30\n __kmem_cache_free+0x168/0x338\n qeth_l2_br2dev_worker+0x154/0x6b0\n process_one_work+0x76e/0x1128\n worker_thread+0x184/0x1098\n kthread+0x26a/0x310\n __ret_from_fork+0x8a/0xe8\n ret_from_fork+0xa/0x40\nLast potentially related work creation:\n kasan_save_stack+0x40/0x68\n __kasan_record_aux_stack+0xbe/0xd0\n insert_work+0x56/0x2e8\n __queue_work+0x4ce/0xd10\n queue_work_on+0xf4/0x100\n qeth_l2_switchdev_event+0x520/0x738\n atomic_notifier_call_chain+0x9c/0xf8\n br_switchdev_fdb_notify+0xf4/0x110\n fdb_notify+0x122/0x180\n fdb_add_entry.constprop.0.isra.0+0x312/0x558\n br_fdb_add+0x59e/0x858\n rtnl_fdb_add+0x58a/0x928\n rtnetlink_rcv_msg+0x5f8/0x8d8\n netlink_rcv_skb+0x1f2/0x408\n netlink_unicast+0x570/0x790\n netlink_sendmsg+0x752/0xbe0\n sock_sendmsg+0xca/0x110\n ____sys_sendmsg+0x510/0x6a8\n ___sys_sendmsg+0x12a/0x180\n __sys_sendmsg+0xe6/0x168\n __do_sys_socketcall+0x3c8/0x468\n do_syscall+0x22c/0x328\n __do_syscall+0x94/0xf0\n system_call+0x82/0xb0\nSecond to last potentially related work creation:\n kasan_save_stack+0x40/0x68\n __kasan_record_aux_stack+0xbe/0xd0\n kvfree_call_rcu+0xb2/0x760\n kernfs_unlink_open_file+0x348/0x430\n kernfs_fop_release+0xc2/0x320\n __fput+0x1ae/0x768\n task_work_run+0x1bc/0x298\n exit_to_user_mode_prepare+0x1a0/0x1a8\n __do_syscall+0x94/0xf0\n system_call+0x82/0xb0\nThe buggy address belongs to the object at 00000000fdcea400\n which belongs to the cache kmalloc-96 of size 96\nThe buggy address is located 64 bytes inside of\n 96-byte region [00000000fdcea400, 00000000fdcea460)\nThe buggy address belongs to the physical page:\npage:000000005a9c26e8 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xfdcea\nflags: 0x3ffff00000000200(slab|node=0|zone=1|lastcpupid=0x1ffff)\nraw: 3ffff00000000200 0000000000000000 0000000100000122 000000008008cc00\nraw: 0000000000000000 0020004100000000 ffffffff00000001 0000000000000000\npage dumped because: kasan: bad access detected\nMemory state around the buggy address:\n 00000000fdcea300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc\n 00000000fdcea380: fb fb fb fb fb fb f\n---truncated---"
}
],
"metrics": [
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CVE-2024-49937 (GCVE-0-2024-49937)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: Set correct chandef when starting CAC
When starting CAC in a mode other than AP mode, it return a
"WARNING: CPU: 0 PID: 63 at cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]"
caused by the chandef.chan being null at the end of CAC.
Solution: Ensure the channel definition is set for the different modes
when starting CAC to avoid getting a NULL 'chan' at the end of CAC.
Call Trace:
? show_regs.part.0+0x14/0x16
? __warn+0x67/0xc0
? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]
? report_bug+0xa7/0x130
? exc_overflow+0x30/0x30
? handle_bug+0x27/0x50
? exc_invalid_op+0x18/0x60
? handle_exception+0xf6/0xf6
? exc_overflow+0x30/0x30
? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]
? exc_overflow+0x30/0x30
? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]
? regulatory_propagate_dfs_state.cold+0x1b/0x4c [cfg80211]
? cfg80211_propagate_cac_done_wk+0x1a/0x30 [cfg80211]
? process_one_work+0x165/0x280
? worker_thread+0x120/0x3f0
? kthread+0xc2/0xf0
? process_one_work+0x280/0x280
? kthread_complete_and_exit+0x20/0x20
? ret_from_fork+0x19/0x24
[shorten subject, remove OCB, reorder cases to match previous list]
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 Version: 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 Version: 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 Version: 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 Version: 7b0a0e3c3a88260b6fcb017e49f198463aa62ed1 Version: 7a53ad13c09150076b7ddde96c2dfc5622c90b45 Version: 5.19.2 ≤ |
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CVE-2024-36244 (GCVE-0-2024-36244)
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2026-05-23 15:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: taprio: extend minimum interval restriction to entire cycle too
It is possible for syzbot to side-step the restriction imposed by the
blamed commit in the Fixes: tag, because the taprio UAPI permits a
cycle-time different from (and potentially shorter than) the sum of
entry intervals.
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entries. This restriction needs to apply regardless of whether the cycle
time came from the user or was the implicit, auto-calculated value, so
we move the existing "cycle == 0" check outside the "if "(!new->cycle_time)"
branch. This way covers both conditions and scenarios.
Add a selftest which illustrates the issue triggered by syzbot.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b5b73b26b3ca34574124ed7ae9c5ba8391a7f176 Version: b5b73b26b3ca34574124ed7ae9c5ba8391a7f176 Version: b5b73b26b3ca34574124ed7ae9c5ba8391a7f176 Version: b5b73b26b3ca34574124ed7ae9c5ba8391a7f176 Version: 83bd58952b2b8543d8c48d1453975ab47a0a7504 Version: 817ff50796c5e364c879596509f83fcba194bb6f Version: 5.4.68 ≤ Version: 5.8.12 ≤ |
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CVE-2024-49891 (GCVE-0-2024-49891)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths
When the HBA is undergoing a reset or is handling an errata event, NULL ptr
dereference crashes may occur in routines such as
lpfc_sli_flush_io_rings(), lpfc_dev_loss_tmo_callbk(), or
lpfc_abort_handler().
Add NULL ptr checks before dereferencing hdwq pointers that may have been
freed due to operations colliding with a reset or errata event handler.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50269 (GCVE-0-2024-50269)
Vulnerability from cvelistv5
Published
2024-11-19 01:30
Modified
2026-05-23 15:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: musb: sunxi: Fix accessing an released usb phy
Commit 6ed05c68cbca ("usb: musb: sunxi: Explicitly release USB PHY on
exit") will cause that usb phy @glue->xceiv is accessed after released.
1) register platform driver @sunxi_musb_driver
// get the usb phy @glue->xceiv
sunxi_musb_probe() -> devm_usb_get_phy().
2) register and unregister platform driver @musb_driver
musb_probe() -> sunxi_musb_init()
use the phy here
//the phy is released here
musb_remove() -> sunxi_musb_exit() -> devm_usb_put_phy()
3) register @musb_driver again
musb_probe() -> sunxi_musb_init()
use the phy here but the phy has been released at 2).
...
Fixed by reverting the commit, namely, removing devm_usb_put_phy()
from sunxi_musb_exit().
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-50019 (GCVE-0-2024-50019)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-05-11 20:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
kthread: unpark only parked kthread
Calling into kthread unparking unconditionally is mostly harmless when
the kthread is already unparked. The wake up is then simply ignored
because the target is not in TASK_PARKED state.
However if the kthread is per CPU, the wake up is preceded by a call
to kthread_bind() which expects the task to be inactive and in
TASK_PARKED state, which obviously isn't the case if it is unparked.
As a result, calling kthread_stop() on an unparked per-cpu kthread
triggers such a warning:
WARNING: CPU: 0 PID: 11 at kernel/kthread.c:525 __kthread_bind_mask kernel/kthread.c:525
<TASK>
kthread_stop+0x17a/0x630 kernel/kthread.c:707
destroy_workqueue+0x136/0xc40 kernel/workqueue.c:5810
wg_destruct+0x1e2/0x2e0 drivers/net/wireguard/device.c:257
netdev_run_todo+0xe1a/0x1000 net/core/dev.c:10693
default_device_exit_batch+0xa14/0xa90 net/core/dev.c:11769
ops_exit_list net/core/net_namespace.c:178 [inline]
cleanup_net+0x89d/0xcc0 net/core/net_namespace.c:640
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Fix this with skipping unecessary unparking while stopping a kthread.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-50198 (GCVE-0-2024-50198)
Vulnerability from cvelistv5
Published
2024-11-08 05:54
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iio: light: veml6030: fix IIO device retrieval from embedded device
The dev pointer that is received as an argument in the
in_illuminance_period_available_show function references the device
embedded in the IIO device, not in the i2c client.
dev_to_iio_dev() must be used to accessthe right data. The current
implementation leads to a segmentation fault on every attempt to read
the attribute because indio_dev gets a NULL assignment.
This bug has been present since the first appearance of the driver,
apparently since the last version (V6) before getting applied. A
constant attribute was used until then, and the last modifications might
have not been tested again.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7b779f573c48e1ad6da1d6ea5f181f3ecd666bf6 Version: 7b779f573c48e1ad6da1d6ea5f181f3ecd666bf6 Version: 7b779f573c48e1ad6da1d6ea5f181f3ecd666bf6 Version: 7b779f573c48e1ad6da1d6ea5f181f3ecd666bf6 Version: 7b779f573c48e1ad6da1d6ea5f181f3ecd666bf6 Version: 7b779f573c48e1ad6da1d6ea5f181f3ecd666bf6 |
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CVE-2024-50215 (GCVE-0-2024-50215)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvmet-auth: assign dh_key to NULL after kfree_sensitive
ctrl->dh_key might be used across multiple calls to nvmet_setup_dhgroup()
for the same controller. So it's better to nullify it after release on
error path in order to avoid double free later in nvmet_destroy_auth().
Found by Linux Verification Center (linuxtesting.org) with Svace.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2022-49005 (GCVE-0-2022-49005)
Vulnerability from cvelistv5
Published
2024-10-21 20:06
Modified
2026-05-23 15:21
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ASoC: ops: Fix bounds check for _sx controls
For _sx controls the semantics of the max field is not the usual one, max
is the number of steps rather than the maximum value. This means that our
check in snd_soc_put_volsw_sx() needs to just check against the maximum
value.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9e5c40b5706d8aae2cf70bd7e01f0b4575a642d0 Version: 4977491e4b3aad8567f57e2a9992d251410c1db3 Version: 9a12fcbf3c622f9bf6b110a873d62b0cba93972e Version: c33402b056de61104b6146dedbe138ca8d7ec62b Version: 038f8b7caa74d29e020949a43ca368c93f6b29b9 Version: e8e07c5e25a29e2a6f119fd947f55d7a55eb8a13 Version: 4f1e50d6a9cf9c1b8c859d449b5031cacfa8404e Version: 4f1e50d6a9cf9c1b8c859d449b5031cacfa8404e Version: ef6cd9eeb38062a145802b7b56be7ae1090e165e Version: 4.9.300 ≤ Version: 4.14.265 ≤ Version: 4.19.228 ≤ Version: 5.4.178 ≤ Version: 5.10.99 ≤ Version: 5.15.22 ≤ Version: 5.16.8 ≤ |
||
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CVE-2024-26943 (GCVE-0-2024-26943)
Vulnerability from cvelistv5
Published
2024-05-01 05:18
Modified
2026-05-11 20:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nouveau/dmem: handle kcalloc() allocation failure
The kcalloc() in nouveau_dmem_evict_chunk() will return null if
the physical memory has run out. As a result, if we dereference
src_pfns, dst_pfns or dma_addrs, the null pointer dereference bugs
will happen.
Moreover, the GPU is going away. If the kcalloc() fails, we could not
evict all pages mapping a chunk. So this patch adds a __GFP_NOFAIL
flag in kcalloc().
Finally, as there is no need to have physically contiguous memory,
this patch switches kcalloc() to kvcalloc() in order to avoid
failing allocations.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-47756 (GCVE-0-2024-47756)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
PCI: keystone: Fix if-statement expression in ks_pcie_quirk()
This code accidentally uses && where || was intended. It potentially
results in a NULL dereference.
Thus, fix the if-statement expression to use the correct condition.
[kwilczynski: commit log]
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: cfb006e185f64edbbdf7869eac352442bc76b8f6 Version: ebbdbbc580c1695dec283d0ba6448729dc993246 Version: 135843c351c08df72bdd4b4ebea53c8052a76881 Version: af218c803fe298ddf00abef331aa526b20d7ea61 Version: 576d0fb6f8d4bd4695e70eee173a1b9c7bae9572 Version: dd47051c76c8acd8cb983f01b4d1265da29cb66a Version: 86f271f22bbb6391410a07e08d6ca3757fda01fa Version: 86f271f22bbb6391410a07e08d6ca3757fda01fa Version: 5.4.284 ≤ Version: 5.10.226 ≤ Version: 5.15.167 ≤ Version: 6.1.110 ≤ Version: 6.6.51 ≤ Version: 6.10.10 ≤ |
||
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CVE-2024-49871 (GCVE-0-2024-49871)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Input: adp5589-keys - fix NULL pointer dereference
We register a devm action to call adp5589_clear_config() and then pass
the i2c client as argument so that we can call i2c_get_clientdata() in
order to get our device object. However, i2c_set_clientdata() is only
being set at the end of the probe function which means that we'll get a
NULL pointer dereference in case the probe function fails early.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
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CVE-2024-50169 (GCVE-0-2024-50169)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vsock: Update rx_bytes on read_skb()
Make sure virtio_transport_inc_rx_pkt() and virtio_transport_dec_rx_pkt()
calls are balanced (i.e. virtio_vsock_sock::rx_bytes doesn't lie) after
vsock_transport::read_skb().
While here, also inform the peer that we've freed up space and it has more
credit.
Failing to update rx_bytes after packet is dequeued leads to a warning on
SOCK_STREAM recv():
[ 233.396654] rx_queue is empty, but rx_bytes is non-zero
[ 233.396702] WARNING: CPU: 11 PID: 40601 at net/vmw_vsock/virtio_transport_common.c:589
References
Impacted products
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CVE-2024-50196 (GCVE-0-2024-50196)
Vulnerability from cvelistv5
Published
2024-11-08 05:54
Modified
2026-05-11 20:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
pinctrl: ocelot: fix system hang on level based interrupts
The current implementation only calls chained_irq_enter() and
chained_irq_exit() if it detects pending interrupts.
```
for (i = 0; i < info->stride; i++) {
uregmap_read(info->map, id_reg + 4 * i, ®);
if (!reg)
continue;
chained_irq_enter(parent_chip, desc);
```
However, in case of GPIO pin configured in level mode and the parent
controller configured in edge mode, GPIO interrupt might be lowered by the
hardware. In the result, if the interrupt is short enough, the parent
interrupt is still pending while the GPIO interrupt is cleared;
chained_irq_enter() never gets called and the system hangs trying to
service the parent interrupt.
Moving chained_irq_enter() and chained_irq_exit() outside the for loop
ensures that they are called even when GPIO interrupt is lowered by the
hardware.
The similar code with chained_irq_enter() / chained_irq_exit() functions
wrapping interrupt checking loop may be found in many other drivers:
```
grep -r -A 10 chained_irq_enter drivers/pinctrl
```
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2024-46802 (GCVE-0-2024-46802)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-05-11 20:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: added NULL check at start of dc_validate_stream
[Why]
prevent invalid memory access
[How]
check if dc and stream are NULL
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-46811 (GCVE-0-2024-46811)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix index may exceed array range within fpu_update_bw_bounding_box
[Why]
Coverity reports OVERRUN warning. soc.num_states could
be 40. But array range of bw_params->clk_table.entries is 8.
[How]
Assert if soc.num_states greater than 8.
References
Impacted products
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CVE-2024-53048 (GCVE-0-2024-53048)
Vulnerability from cvelistv5
Published
2024-11-19 17:19
Modified
2026-05-11 20:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: fix crash on probe for DPLL enabled E810 LOM
The E810 Lan On Motherboard (LOM) design is vendor specific. Intel
provides the reference design, but it is up to vendor on the final
product design. For some cases, like Linux DPLL support, the static
values defined in the driver does not reflect the actual LOM design.
Current implementation of dpll pins is causing the crash on probe
of the ice driver for such DPLL enabled E810 LOM designs:
WARNING: (...) at drivers/dpll/dpll_core.c:495 dpll_pin_get+0x2c4/0x330
...
Call Trace:
<TASK>
? __warn+0x83/0x130
? dpll_pin_get+0x2c4/0x330
? report_bug+0x1b7/0x1d0
? handle_bug+0x42/0x70
? exc_invalid_op+0x18/0x70
? asm_exc_invalid_op+0x1a/0x20
? dpll_pin_get+0x117/0x330
? dpll_pin_get+0x2c4/0x330
? dpll_pin_get+0x117/0x330
ice_dpll_get_pins.isra.0+0x52/0xe0 [ice]
...
The number of dpll pins enabled by LOM vendor is greater than expected
and defined in the driver for Intel designed NICs, which causes the crash.
Prevent the crash and allow generic pin initialization within Linux DPLL
subsystem for DPLL enabled E810 LOM designs.
Newly designed solution for described issue will be based on "per HW
design" pin initialization. It requires pin information dynamically
acquired from the firmware and is already in progress, planned for
next-tree only.
References
Impacted products
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CVE-2024-47710 (GCVE-0-2024-47710)
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2026-05-23 15:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
sock_map: Add a cond_resched() in sock_hash_free()
Several syzbot soft lockup reports all have in common sock_hash_free()
If a map with a large number of buckets is destroyed, we need to yield
the cpu when needed.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 5bed77b0a2a0e6b6bc0ae8e851cafb38ef0374df Version: 75e68e5bf2c7fa9d3e874099139df03d5952a3e1 Version: 75e68e5bf2c7fa9d3e874099139df03d5952a3e1 Version: 75e68e5bf2c7fa9d3e874099139df03d5952a3e1 Version: 75e68e5bf2c7fa9d3e874099139df03d5952a3e1 Version: 75e68e5bf2c7fa9d3e874099139df03d5952a3e1 Version: 75e68e5bf2c7fa9d3e874099139df03d5952a3e1 Version: 75e68e5bf2c7fa9d3e874099139df03d5952a3e1 Version: 6fc372656a1ebed8c1ebe0011881058c02eeddc0 Version: 5.4.49 ≤ Version: 5.7.6 ≤ |
||
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CVE-2024-46810 (GCVE-0-2024-46810)
Vulnerability from cvelistv5
Published
2024-09-27 12:35
Modified
2026-05-11 20:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/bridge: tc358767: Check if fully initialized before signalling HPD event via IRQ
Make sure the connector is fully initialized before signalling any
HPD events via drm_kms_helper_hotplug_event(), otherwise this may
lead to NULL pointer dereference.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-26953 (GCVE-0-2024-26953)
Vulnerability from cvelistv5
Published
2024-05-01 05:18
Modified
2026-08-05 11:28
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: esp: fix bad handling of pages from page_pool
When the skb is reorganized during esp_output (!esp->inline), the pages
coming from the original skb fragments are supposed to be released back
to the system through put_page. But if the skb fragment pages are
originating from a page_pool, calling put_page on them will trigger a
page_pool leak which will eventually result in a crash.
This leak can be easily observed when using CONFIG_DEBUG_VM and doing
ipsec + gre (non offloaded) forwarding:
BUG: Bad page state in process ksoftirqd/16 pfn:1451b6
page:00000000de2b8d32 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1451b6000 pfn:0x1451b6
flags: 0x200000000000000(node=0|zone=2)
page_type: 0xffffffff()
raw: 0200000000000000 dead000000000040 ffff88810d23c000 0000000000000000
raw: 00000001451b6000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
Modules linked in: ip_gre gre mlx5_ib mlx5_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink iptable_nat nf_nat xt_addrtype br_netfilter rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm ib_uverbs ib_core overlay zram zsmalloc fuse [last unloaded: mlx5_core]
CPU: 16 PID: 96 Comm: ksoftirqd/16 Not tainted 6.8.0-rc4+ #22
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x36/0x50
bad_page+0x70/0xf0
free_unref_page_prepare+0x27a/0x460
free_unref_page+0x38/0x120
esp_ssg_unref.isra.0+0x15f/0x200
esp_output_tail+0x66d/0x780
esp_xmit+0x2c5/0x360
validate_xmit_xfrm+0x313/0x370
? validate_xmit_skb+0x1d/0x330
validate_xmit_skb_list+0x4c/0x70
sch_direct_xmit+0x23e/0x350
__dev_queue_xmit+0x337/0xba0
? nf_hook_slow+0x3f/0xd0
ip_finish_output2+0x25e/0x580
iptunnel_xmit+0x19b/0x240
ip_tunnel_xmit+0x5fb/0xb60
ipgre_xmit+0x14d/0x280 [ip_gre]
dev_hard_start_xmit+0xc3/0x1c0
__dev_queue_xmit+0x208/0xba0
? nf_hook_slow+0x3f/0xd0
ip_finish_output2+0x1ca/0x580
ip_sublist_rcv_finish+0x32/0x40
ip_sublist_rcv+0x1b2/0x1f0
? ip_rcv_finish_core.constprop.0+0x460/0x460
ip_list_rcv+0x103/0x130
__netif_receive_skb_list_core+0x181/0x1e0
netif_receive_skb_list_internal+0x1b3/0x2c0
napi_gro_receive+0xc8/0x200
gro_cell_poll+0x52/0x90
__napi_poll+0x25/0x1a0
net_rx_action+0x28e/0x300
__do_softirq+0xc3/0x276
? sort_range+0x20/0x20
run_ksoftirqd+0x1e/0x30
smpboot_thread_fn+0xa6/0x130
kthread+0xcd/0x100
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x31/0x50
? kthread_complete_and_exit+0x20/0x20
ret_from_fork_asm+0x11/0x20
</TASK>
The suggested fix is to introduce a new wrapper (skb_page_unref) that
covers page refcounting for page_pool pages as well.
References
| URL | Tags | |
|---|---|---|
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: esp: fix bad handling of pages from page_pool\n\nWhen the skb is reorganized during esp_output (!esp-\u003einline), the pages\ncoming from the original skb fragments are supposed to be released back\nto the system through put_page. But if the skb fragment pages are\noriginating from a page_pool, calling put_page on them will trigger a\npage_pool leak which will eventually result in a crash.\n\nThis leak can be easily observed when using CONFIG_DEBUG_VM and doing\nipsec + gre (non offloaded) forwarding:\n\n BUG: Bad page state in process ksoftirqd/16 pfn:1451b6\n page:00000000de2b8d32 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1451b6000 pfn:0x1451b6\n flags: 0x200000000000000(node=0|zone=2)\n page_type: 0xffffffff()\n raw: 0200000000000000 dead000000000040 ffff88810d23c000 0000000000000000\n raw: 00000001451b6000 0000000000000001 00000000ffffffff 0000000000000000\n page dumped because: page_pool leak\n Modules linked in: ip_gre gre mlx5_ib mlx5_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink iptable_nat nf_nat xt_addrtype br_netfilter rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm ib_uverbs ib_core overlay zram zsmalloc fuse [last unloaded: mlx5_core]\n CPU: 16 PID: 96 Comm: ksoftirqd/16 Not tainted 6.8.0-rc4+ #22\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x36/0x50\n bad_page+0x70/0xf0\n free_unref_page_prepare+0x27a/0x460\n free_unref_page+0x38/0x120\n esp_ssg_unref.isra.0+0x15f/0x200\n esp_output_tail+0x66d/0x780\n esp_xmit+0x2c5/0x360\n validate_xmit_xfrm+0x313/0x370\n ? validate_xmit_skb+0x1d/0x330\n validate_xmit_skb_list+0x4c/0x70\n sch_direct_xmit+0x23e/0x350\n __dev_queue_xmit+0x337/0xba0\n ? nf_hook_slow+0x3f/0xd0\n ip_finish_output2+0x25e/0x580\n iptunnel_xmit+0x19b/0x240\n ip_tunnel_xmit+0x5fb/0xb60\n ipgre_xmit+0x14d/0x280 [ip_gre]\n dev_hard_start_xmit+0xc3/0x1c0\n __dev_queue_xmit+0x208/0xba0\n ? nf_hook_slow+0x3f/0xd0\n ip_finish_output2+0x1ca/0x580\n ip_sublist_rcv_finish+0x32/0x40\n ip_sublist_rcv+0x1b2/0x1f0\n ? ip_rcv_finish_core.constprop.0+0x460/0x460\n ip_list_rcv+0x103/0x130\n __netif_receive_skb_list_core+0x181/0x1e0\n netif_receive_skb_list_internal+0x1b3/0x2c0\n napi_gro_receive+0xc8/0x200\n gro_cell_poll+0x52/0x90\n __napi_poll+0x25/0x1a0\n net_rx_action+0x28e/0x300\n __do_softirq+0xc3/0x276\n ? sort_range+0x20/0x20\n run_ksoftirqd+0x1e/0x30\n smpboot_thread_fn+0xa6/0x130\n kthread+0xcd/0x100\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x31/0x50\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork_asm+0x11/0x20\n \u003c/TASK\u003e\n\nThe suggested fix is to introduce a new wrapper (skb_page_unref) that\ncovers page refcounting for page_pool pages as well."
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CVE-2022-48975 (GCVE-0-2022-48975)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
gpiolib: fix memory leak in gpiochip_setup_dev()
Here is a backtrace report about memory leak detected in
gpiochip_setup_dev():
unreferenced object 0xffff88810b406400 (size 512):
comm "python3", pid 1682, jiffies 4295346908 (age 24.090s)
backtrace:
kmalloc_trace
device_add device_private_init at drivers/base/core.c:3361
(inlined by) device_add at drivers/base/core.c:3411
cdev_device_add
gpiolib_cdev_register
gpiochip_setup_dev
gpiochip_add_data_with_key
gcdev_register() & gcdev_unregister() would call device_add() &
device_del() (no matter CONFIG_GPIO_CDEV is enabled or not) to
register/unregister device.
However, if device_add() succeeds, some resource (like
struct device_private allocated by device_private_init())
is not released by device_del().
Therefore, after device_add() succeeds by gcdev_register(), it
needs to call put_device() to release resource in the error handle
path.
Here we move forward the register of release function, and let it
release every piece of resource by put_device() instead of kfree().
While at it, fix another subtle issue, i.e. when gc->ngpio is equal
to 0, we still call kcalloc() and, in case of further error, kfree()
on the ZERO_PTR pointer, which is not NULL. It's not a bug per se,
but rather waste of the resources and potentially wrong expectation
about contents of the gdev->descs variable.
References
Impacted products
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CVE-2024-40914 (GCVE-0-2024-40914)
Vulnerability from cvelistv5
Published
2024-07-12 12:24
Modified
2026-05-23 15:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/huge_memory: don't unpoison huge_zero_folio
When I did memory failure tests recently, below panic occurs:
kernel BUG at include/linux/mm.h:1135!
invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 9 PID: 137 Comm: kswapd1 Not tainted 6.9.0-rc4-00491-gd5ce28f156fe-dirty #14
RIP: 0010:shrink_huge_zero_page_scan+0x168/0x1a0
RSP: 0018:ffff9933c6c57bd0 EFLAGS: 00000246
RAX: 000000000000003e RBX: 0000000000000000 RCX: ffff88f61fc5c9c8
RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff88f61fc5c9c0
RBP: ffffcd7c446b0000 R08: ffffffff9a9405f0 R09: 0000000000005492
R10: 00000000000030ea R11: ffffffff9a9405f0 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88e703c4ac00
FS: 0000000000000000(0000) GS:ffff88f61fc40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f4da6e9878 CR3: 0000000c71048000 CR4: 00000000000006f0
Call Trace:
<TASK>
do_shrink_slab+0x14f/0x6a0
shrink_slab+0xca/0x8c0
shrink_node+0x2d0/0x7d0
balance_pgdat+0x33a/0x720
kswapd+0x1f3/0x410
kthread+0xd5/0x100
ret_from_fork+0x2f/0x50
ret_from_fork_asm+0x1a/0x30
</TASK>
Modules linked in: mce_inject hwpoison_inject
---[ end trace 0000000000000000 ]---
RIP: 0010:shrink_huge_zero_page_scan+0x168/0x1a0
RSP: 0018:ffff9933c6c57bd0 EFLAGS: 00000246
RAX: 000000000000003e RBX: 0000000000000000 RCX: ffff88f61fc5c9c8
RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff88f61fc5c9c0
RBP: ffffcd7c446b0000 R08: ffffffff9a9405f0 R09: 0000000000005492
R10: 00000000000030ea R11: ffffffff9a9405f0 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88e703c4ac00
FS: 0000000000000000(0000) GS:ffff88f61fc40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f4da6e9878 CR3: 0000000c71048000 CR4: 00000000000006f0
The root cause is that HWPoison flag will be set for huge_zero_folio
without increasing the folio refcnt. But then unpoison_memory() will
decrease the folio refcnt unexpectedly as it appears like a successfully
hwpoisoned folio leading to VM_BUG_ON_PAGE(page_ref_count(page) == 0) when
releasing huge_zero_folio.
Skip unpoisoning huge_zero_folio in unpoison_memory() to fix this issue.
We're not prepared to unpoison huge_zero_folio yet.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2024-49897 (GCVE-0-2024-49897)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check phantom_stream before it is used
dcn32_enable_phantom_stream can return null, so returned value
must be checked before used.
This fixes 1 NULL_RETURNS issue reported by Coverity.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-49967 (GCVE-0-2024-49967)
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
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CVE-2024-49983 (GCVE-0-2024-49983)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-08-05 11:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: drop ppath from ext4_ext_replay_update_ex() to avoid double-free
When calling ext4_force_split_extent_at() in ext4_ext_replay_update_ex(),
the 'ppath' is updated but it is the 'path' that is freed, thus potentially
triggering a double-free in the following process:
ext4_ext_replay_update_ex
ppath = path
ext4_force_split_extent_at(&ppath)
ext4_split_extent_at
ext4_ext_insert_extent
ext4_ext_create_new_leaf
ext4_ext_grow_indepth
ext4_find_extent
if (depth > path[0].p_maxdepth)
kfree(path) ---> path First freed
*orig_path = path = NULL ---> null ppath
kfree(path) ---> path double-free !!!
So drop the unnecessary ppath and use path directly to avoid this problem.
And use ext4_find_extent() directly to update path, avoiding unnecessary
memory allocation and freeing. Also, propagate the error returned by
ext4_find_extent() instead of using strange error codes.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 Version: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 Version: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 Version: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 Version: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 Version: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 Version: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 |
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CVE-2024-49895 (GCVE-0-2024-49895)
Vulnerability from cvelistv5
Published
2024-10-21 18:01
Modified
2026-05-11 20:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix index out of bounds in DCN30 degamma hardware format translation
This commit addresses a potential index out of bounds issue in the
`cm3_helper_translate_curve_to_degamma_hw_format` function in the DCN30
color management module. The issue could occur when the index 'i'
exceeds the number of transfer function points (TRANSFER_FUNC_POINTS).
The fix adds a check to ensure 'i' is within bounds before accessing the
transfer function points. If 'i' is out of bounds, the function returns
false to indicate an error.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:338 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:339 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:340 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
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CVE-2024-49954 (GCVE-0-2024-49954)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
static_call: Replace pointless WARN_ON() in static_call_module_notify()
static_call_module_notify() triggers a WARN_ON(), when memory allocation
fails in __static_call_add_module().
That's not really justified, because the failure case must be correctly
handled by the well known call chain and the error code is passed
through to the initiating userspace application.
A memory allocation fail is not a fatal problem, but the WARN_ON() takes
the machine out when panic_on_warn is set.
Replace it with a pr_warn().
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 Version: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 |
||
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CVE-2024-50146 (GCVE-0-2024-50146)
Vulnerability from cvelistv5
Published
2024-11-07 09:31
Modified
2026-05-11 20:46
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: Don't call cleanup on profile rollback failure
When profile rollback fails in mlx5e_netdev_change_profile, the netdev
profile var is left set to NULL. Avoid a crash when unloading the driver
by not calling profile->cleanup in such a case.
This was encountered while testing, with the original trigger that
the wq rescuer thread creation got interrupted (presumably due to
Ctrl+C-ing modprobe), which gets converted to ENOMEM (-12) by
mlx5e_priv_init, the profile rollback also fails for the same reason
(signal still active) so the profile is left as NULL, leading to a crash
later in _mlx5e_remove.
[ 732.473932] mlx5_core 0000:08:00.1: E-Switch: Unload vfs: mode(OFFLOADS), nvfs(2), necvfs(0), active vports(2)
[ 734.525513] workqueue: Failed to create a rescuer kthread for wq "mlx5e": -EINTR
[ 734.557372] mlx5_core 0000:08:00.1: mlx5e_netdev_init_profile:6235:(pid 6086): mlx5e_priv_init failed, err=-12
[ 734.559187] mlx5_core 0000:08:00.1 eth3: mlx5e_netdev_change_profile: new profile init failed, -12
[ 734.560153] workqueue: Failed to create a rescuer kthread for wq "mlx5e": -EINTR
[ 734.589378] mlx5_core 0000:08:00.1: mlx5e_netdev_init_profile:6235:(pid 6086): mlx5e_priv_init failed, err=-12
[ 734.591136] mlx5_core 0000:08:00.1 eth3: mlx5e_netdev_change_profile: failed to rollback to orig profile, -12
[ 745.537492] BUG: kernel NULL pointer dereference, address: 0000000000000008
[ 745.538222] #PF: supervisor read access in kernel mode
<snipped>
[ 745.551290] Call Trace:
[ 745.551590] <TASK>
[ 745.551866] ? __die+0x20/0x60
[ 745.552218] ? page_fault_oops+0x150/0x400
[ 745.555307] ? exc_page_fault+0x79/0x240
[ 745.555729] ? asm_exc_page_fault+0x22/0x30
[ 745.556166] ? mlx5e_remove+0x6b/0xb0 [mlx5_core]
[ 745.556698] auxiliary_bus_remove+0x18/0x30
[ 745.557134] device_release_driver_internal+0x1df/0x240
[ 745.557654] bus_remove_device+0xd7/0x140
[ 745.558075] device_del+0x15b/0x3c0
[ 745.558456] mlx5_rescan_drivers_locked.part.0+0xb1/0x2f0 [mlx5_core]
[ 745.559112] mlx5_unregister_device+0x34/0x50 [mlx5_core]
[ 745.559686] mlx5_uninit_one+0x46/0xf0 [mlx5_core]
[ 745.560203] remove_one+0x4e/0xd0 [mlx5_core]
[ 745.560694] pci_device_remove+0x39/0xa0
[ 745.561112] device_release_driver_internal+0x1df/0x240
[ 745.561631] driver_detach+0x47/0x90
[ 745.562022] bus_remove_driver+0x84/0x100
[ 745.562444] pci_unregister_driver+0x3b/0x90
[ 745.562890] mlx5_cleanup+0xc/0x1b [mlx5_core]
[ 745.563415] __x64_sys_delete_module+0x14d/0x2f0
[ 745.563886] ? kmem_cache_free+0x1b0/0x460
[ 745.564313] ? lockdep_hardirqs_on_prepare+0xe2/0x190
[ 745.564825] do_syscall_64+0x6d/0x140
[ 745.565223] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 745.565725] RIP: 0033:0x7f1579b1288b
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-50015 (GCVE-0-2024-50015)
Vulnerability from cvelistv5
Published
2024-10-21 18:54
Modified
2026-05-12 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: dax: fix overflowing extents beyond inode size when partially writing
The dax_iomap_rw() does two things in each iteration: map written blocks
and copy user data to blocks. If the process is killed by user(See signal
handling in dax_iomap_iter()), the copied data will be returned and added
on inode size, which means that the length of written extents may exceed
the inode size, then fsck will fail. An example is given as:
dd if=/dev/urandom of=file bs=4M count=1
dax_iomap_rw
iomap_iter // round 1
ext4_iomap_begin
ext4_iomap_alloc // allocate 0~2M extents(written flag)
dax_iomap_iter // copy 2M data
iomap_iter // round 2
iomap_iter_advance
iter->pos += iter->processed // iter->pos = 2M
ext4_iomap_begin
ext4_iomap_alloc // allocate 2~4M extents(written flag)
dax_iomap_iter
fatal_signal_pending
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ext4_handle_inode_extension
ext4_update_inode_size // inode size = 2M
fsck reports: Inode 13, i_size is 2097152, should be 4194304. Fix?
Fix the problem by truncating extents if the written length is smaller
than expected.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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||
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CVE-2023-52524 (GCVE-0-2023-52524)
Vulnerability from cvelistv5
Published
2024-03-02 21:52
Modified
2026-05-23 15:25
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: nfc: llcp: Add lock when modifying device list
The device list needs its associated lock held when modifying it, or the
list could become corrupted, as syzbot discovered.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: dd6ff3f3862709ab1a12566e73b9d6a9b8f6e548 Version: 96f2c6f272ec04083d828de46285a7d7b17d1aad Version: fc8429f8d86801f092fbfbd257c3af821ac0dcd3 Version: 425d9d3a92df7d96b3cfb7ee5c240293a21cbde3 Version: 6709d4b7bc2e079241fdef15d1160581c5261c10 Version: 6709d4b7bc2e079241fdef15d1160581c5261c10 Version: b3ad46e155a6d91b36c6e892019a43e3ef3c696d Version: e5207c1d69b1a9707615ab6ff9376e59fc096815 Version: 5.4.251 ≤ Version: 5.10.188 ≤ Version: 5.15.121 ≤ Version: 6.1.39 ≤ Version: 6.3.13 ≤ Version: 6.4.4 ≤ |
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CVE-2024-49963 (GCVE-0-2024-49963)
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2026-05-11 20:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mailbox: bcm2835: Fix timeout during suspend mode
During noirq suspend phase the Raspberry Pi power driver suffer of
firmware property timeouts. The reason is that the IRQ of the underlying
BCM2835 mailbox is disabled and rpi_firmware_property_list() will always
run into a timeout [1].
Since the VideoCore side isn't consider as a wakeup source, set the
IRQF_NO_SUSPEND flag for the mailbox IRQ in order to keep it enabled
during suspend-resume cycle.
[1]
PM: late suspend of devices complete after 1.754 msecs
WARNING: CPU: 0 PID: 438 at drivers/firmware/raspberrypi.c:128
rpi_firmware_property_list+0x204/0x22c
Firmware transaction 0x00028001 timeout
Modules linked in:
CPU: 0 PID: 438 Comm: bash Tainted: G C 6.9.3-dirty #17
Hardware name: BCM2835
Call trace:
unwind_backtrace from show_stack+0x18/0x1c
show_stack from dump_stack_lvl+0x34/0x44
dump_stack_lvl from __warn+0x88/0xec
__warn from warn_slowpath_fmt+0x7c/0xb0
warn_slowpath_fmt from rpi_firmware_property_list+0x204/0x22c
rpi_firmware_property_list from rpi_firmware_property+0x68/0x8c
rpi_firmware_property from rpi_firmware_set_power+0x54/0xc0
rpi_firmware_set_power from _genpd_power_off+0xe4/0x148
_genpd_power_off from genpd_sync_power_off+0x7c/0x11c
genpd_sync_power_off from genpd_finish_suspend+0xcc/0xe0
genpd_finish_suspend from dpm_run_callback+0x78/0xd0
dpm_run_callback from device_suspend_noirq+0xc0/0x238
device_suspend_noirq from dpm_suspend_noirq+0xb0/0x168
dpm_suspend_noirq from suspend_devices_and_enter+0x1b8/0x5ac
suspend_devices_and_enter from pm_suspend+0x254/0x2e4
pm_suspend from state_store+0xa8/0xd4
state_store from kernfs_fop_write_iter+0x154/0x1a0
kernfs_fop_write_iter from vfs_write+0x12c/0x184
vfs_write from ksys_write+0x78/0xc0
ksys_write from ret_fast_syscall+0x0/0x54
Exception stack(0xcc93dfa8 to 0xcc93dff0)
[...]
PM: noirq suspend of devices complete after 3095.584 msecs
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0bae6af6d704f026d4938739786e0a69d50177ca Version: 0bae6af6d704f026d4938739786e0a69d50177ca Version: 0bae6af6d704f026d4938739786e0a69d50177ca Version: 0bae6af6d704f026d4938739786e0a69d50177ca Version: 0bae6af6d704f026d4938739786e0a69d50177ca Version: 0bae6af6d704f026d4938739786e0a69d50177ca Version: 0bae6af6d704f026d4938739786e0a69d50177ca Version: 0bae6af6d704f026d4938739786e0a69d50177ca Version: 0bae6af6d704f026d4938739786e0a69d50177ca |
||
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CVE-2022-48961 (GCVE-0-2022-48961)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-05-11 18:50
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: mdio: fix unbalanced fwnode reference count in mdio_device_release()
There is warning report about of_node refcount leak
while probing mdio device:
OF: ERROR: memory leak, expected refcount 1 instead of 2,
of_node_get()/of_node_put() unbalanced - destroy cset entry:
attach overlay node /spi/soc@0/mdio@710700c0/ethernet@4
In of_mdiobus_register_device(), we increase fwnode refcount
by fwnode_handle_get() before associating the of_node with
mdio device, but it has never been decreased in normal path.
Since that, in mdio_device_release(), it needs to call
fwnode_handle_put() in addition instead of calling kfree()
directly.
After above, just calling mdio_device_free() in the error handle
path of of_mdiobus_register_device() is enough to keep the
refcount balanced.
References
Impacted products
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CVE-2024-50235 (GCVE-0-2024-50235)
Vulnerability from cvelistv5
Published
2024-11-09 10:14
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: clear wdev->cqm_config pointer on free
When we free wdev->cqm_config when unregistering, we also
need to clear out the pointer since the same wdev/netdev
may get re-registered in another network namespace, then
destroyed later, running this code again, which results in
a double-free.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2022-3435 (GCVE-0-2022-3435)
Vulnerability from cvelistv5
Published
2022-10-08 00:00
Modified
2025-04-15 13:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-119 - Memory Corruption -> CWE-125 Out-of-Bounds Read
Summary
A vulnerability classified as problematic has been found in Linux Kernel. This affects the function fib_nh_match of the file net/ipv4/fib_semantics.c of the component IPv4 Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-210357 was assigned to this vulnerability.
References
| URL | Tags | |||||||||||||||||||
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CVE-2024-50100 (GCVE-0-2024-50100)
Vulnerability from cvelistv5
Published
2024-11-05 17:07
Modified
2026-05-11 20:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
USB: gadget: dummy-hcd: Fix "task hung" problem
The syzbot fuzzer has been encountering "task hung" problems ever
since the dummy-hcd driver was changed to use hrtimers instead of
regular timers. It turns out that the problems are caused by a subtle
difference between the timer_pending() and hrtimer_active() APIs.
The changeover blindly replaced the first by the second. However,
timer_pending() returns True when the timer is queued but not when its
callback is running, whereas hrtimer_active() returns True when the
hrtimer is queued _or_ its callback is running. This difference
occasionally caused dummy_urb_enqueue() to think that the callback
routine had not yet started when in fact it was almost finished. As a
result the hrtimer was not restarted, which made it impossible for the
driver to dequeue later the URB that was just enqueued. This caused
usb_kill_urb() to hang, and things got worse from there.
Since hrtimers have no API for telling when they are queued and the
callback isn't running, the driver must keep track of this for itself.
That's what this patch does, adding a new "timer_pending" flag and
setting or clearing it at the appropriate times.
References
| URL | Tags | |
|---|---|---|
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: gadget: dummy-hcd: Fix \"task hung\" problem\n\nThe syzbot fuzzer has been encountering \"task hung\" problems ever\nsince the dummy-hcd driver was changed to use hrtimers instead of\nregular timers. It turns out that the problems are caused by a subtle\ndifference between the timer_pending() and hrtimer_active() APIs.\n\nThe changeover blindly replaced the first by the second. However,\ntimer_pending() returns True when the timer is queued but not when its\ncallback is running, whereas hrtimer_active() returns True when the\nhrtimer is queued _or_ its callback is running. This difference\noccasionally caused dummy_urb_enqueue() to think that the callback\nroutine had not yet started when in fact it was almost finished. As a\nresult the hrtimer was not restarted, which made it impossible for the\ndriver to dequeue later the URB that was just enqueued. This caused\nusb_kill_urb() to hang, and things got worse from there.\n\nSince hrtimers have no API for telling when they are queued and the\ncallback isn\u0027t running, the driver must keep track of this for itself.\nThat\u0027s what this patch does, adding a new \"timer_pending\" flag and\nsetting or clearing it at the appropriate times."
}
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"url": "https://git.kernel.org/stable/c/7d85884576a3be3616c260fc1fa862a59579d1ab"
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"url": "https://git.kernel.org/stable/c/5189df7b8088268012882c220d6aca4e64981348"
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"title": "USB: gadget: dummy-hcd: Fix \"task hung\" problem",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50100",
"datePublished": "2024-11-05T17:07:37.997Z",
"dateReserved": "2024-10-21T19:36:19.945Z",
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CVE-2024-46765 (GCVE-0-2024-46765)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-08-05 11:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: protect XDP configuration with a mutex
The main threat to data consistency in ice_xdp() is a possible asynchronous
PF reset. It can be triggered by a user or by TX timeout handler.
XDP setup and PF reset code access the same resources in the following
sections:
* ice_vsi_close() in ice_prepare_for_reset() - already rtnl-locked
* ice_vsi_rebuild() for the PF VSI - not protected
* ice_vsi_open() - already rtnl-locked
With an unfortunate timing, such accesses can result in a crash such as the
one below:
[ +1.999878] ice 0000:b1:00.0: Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring 14
[ +2.002992] ice 0000:b1:00.0: Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring 18
[Mar15 18:17] ice 0000:b1:00.0 ens801f0np0: NETDEV WATCHDOG: CPU: 38: transmit queue 14 timed out 80692736 ms
[ +0.000093] ice 0000:b1:00.0 ens801f0np0: tx_timeout: VSI_num: 6, Q 14, NTC: 0x0, HW_HEAD: 0x0, NTU: 0x0, INT: 0x4000001
[ +0.000012] ice 0000:b1:00.0 ens801f0np0: tx_timeout recovery level 1, txqueue 14
[ +0.394718] ice 0000:b1:00.0: PTP reset successful
[ +0.006184] BUG: kernel NULL pointer dereference, address: 0000000000000098
[ +0.000045] #PF: supervisor read access in kernel mode
[ +0.000023] #PF: error_code(0x0000) - not-present page
[ +0.000023] PGD 0 P4D 0
[ +0.000018] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ +0.000023] CPU: 38 PID: 7540 Comm: kworker/38:1 Not tainted 6.8.0-rc7 #1
[ +0.000031] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0014.082620210524 08/26/2021
[ +0.000036] Workqueue: ice ice_service_task [ice]
[ +0.000183] RIP: 0010:ice_clean_tx_ring+0xa/0xd0 [ice]
[...]
[ +0.000013] Call Trace:
[ +0.000016] <TASK>
[ +0.000014] ? __die+0x1f/0x70
[ +0.000029] ? page_fault_oops+0x171/0x4f0
[ +0.000029] ? schedule+0x3b/0xd0
[ +0.000027] ? exc_page_fault+0x7b/0x180
[ +0.000022] ? asm_exc_page_fault+0x22/0x30
[ +0.000031] ? ice_clean_tx_ring+0xa/0xd0 [ice]
[ +0.000194] ice_free_tx_ring+0xe/0x60 [ice]
[ +0.000186] ice_destroy_xdp_rings+0x157/0x310 [ice]
[ +0.000151] ice_vsi_decfg+0x53/0xe0 [ice]
[ +0.000180] ice_vsi_rebuild+0x239/0x540 [ice]
[ +0.000186] ice_vsi_rebuild_by_type+0x76/0x180 [ice]
[ +0.000145] ice_rebuild+0x18c/0x840 [ice]
[ +0.000145] ? delay_tsc+0x4a/0xc0
[ +0.000022] ? delay_tsc+0x92/0xc0
[ +0.000020] ice_do_reset+0x140/0x180 [ice]
[ +0.000886] ice_service_task+0x404/0x1030 [ice]
[ +0.000824] process_one_work+0x171/0x340
[ +0.000685] worker_thread+0x277/0x3a0
[ +0.000675] ? preempt_count_add+0x6a/0xa0
[ +0.000677] ? _raw_spin_lock_irqsave+0x23/0x50
[ +0.000679] ? __pfx_worker_thread+0x10/0x10
[ +0.000653] kthread+0xf0/0x120
[ +0.000635] ? __pfx_kthread+0x10/0x10
[ +0.000616] ret_from_fork+0x2d/0x50
[ +0.000612] ? __pfx_kthread+0x10/0x10
[ +0.000604] ret_from_fork_asm+0x1b/0x30
[ +0.000604] </TASK>
The previous way of handling this through returning -EBUSY is not viable,
particularly when destroying AF_XDP socket, because the kernel proceeds
with removal anyway.
There is plenty of code between those calls and there is no need to create
a large critical section that covers all of them, same as there is no need
to protect ice_vsi_rebuild() with rtnl_lock().
Add xdp_state_lock mutex to protect ice_vsi_rebuild() and ice_xdp().
Leaving unprotected sections in between would result in two states that
have to be considered:
1. when the VSI is closed, but not yet rebuild
2. when VSI is already rebuild, but not yet open
The latter case is actually already handled through !netif_running() case,
we just need to adjust flag checking a little. The former one is not as
trivial, because between ice_vsi_close() and ice_vsi_rebuild(), a lot of
hardware interaction happens, this can make adding/deleting rings exit
with an error. Luckily, VSI rebuild is pending and can apply new
configuration for us in a managed fashion.
Therefore, add an additional VSI state flag ICE_VSI_REBUILD_PENDING to
indicate that ice_x
---truncated---
References
Impacted products
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"drivers/net/ethernet/intel/ice/ice_main.c",
"drivers/net/ethernet/intel/ice/ice_xsk.c"
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: protect XDP configuration with a mutex\n\nThe main threat to data consistency in ice_xdp() is a possible asynchronous\nPF reset. It can be triggered by a user or by TX timeout handler.\n\nXDP setup and PF reset code access the same resources in the following\nsections:\n* ice_vsi_close() in ice_prepare_for_reset() - already rtnl-locked\n* ice_vsi_rebuild() for the PF VSI - not protected\n* ice_vsi_open() - already rtnl-locked\n\nWith an unfortunate timing, such accesses can result in a crash such as the\none below:\n\n[ +1.999878] ice 0000:b1:00.0: Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring 14\n[ +2.002992] ice 0000:b1:00.0: Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring 18\n[Mar15 18:17] ice 0000:b1:00.0 ens801f0np0: NETDEV WATCHDOG: CPU: 38: transmit queue 14 timed out 80692736 ms\n[ +0.000093] ice 0000:b1:00.0 ens801f0np0: tx_timeout: VSI_num: 6, Q 14, NTC: 0x0, HW_HEAD: 0x0, NTU: 0x0, INT: 0x4000001\n[ +0.000012] ice 0000:b1:00.0 ens801f0np0: tx_timeout recovery level 1, txqueue 14\n[ +0.394718] ice 0000:b1:00.0: PTP reset successful\n[ +0.006184] BUG: kernel NULL pointer dereference, address: 0000000000000098\n[ +0.000045] #PF: supervisor read access in kernel mode\n[ +0.000023] #PF: error_code(0x0000) - not-present page\n[ +0.000023] PGD 0 P4D 0\n[ +0.000018] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[ +0.000023] CPU: 38 PID: 7540 Comm: kworker/38:1 Not tainted 6.8.0-rc7 #1\n[ +0.000031] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0014.082620210524 08/26/2021\n[ +0.000036] Workqueue: ice ice_service_task [ice]\n[ +0.000183] RIP: 0010:ice_clean_tx_ring+0xa/0xd0 [ice]\n[...]\n[ +0.000013] Call Trace:\n[ +0.000016] \u003cTASK\u003e\n[ +0.000014] ? __die+0x1f/0x70\n[ +0.000029] ? page_fault_oops+0x171/0x4f0\n[ +0.000029] ? schedule+0x3b/0xd0\n[ +0.000027] ? exc_page_fault+0x7b/0x180\n[ +0.000022] ? asm_exc_page_fault+0x22/0x30\n[ +0.000031] ? ice_clean_tx_ring+0xa/0xd0 [ice]\n[ +0.000194] ice_free_tx_ring+0xe/0x60 [ice]\n[ +0.000186] ice_destroy_xdp_rings+0x157/0x310 [ice]\n[ +0.000151] ice_vsi_decfg+0x53/0xe0 [ice]\n[ +0.000180] ice_vsi_rebuild+0x239/0x540 [ice]\n[ +0.000186] ice_vsi_rebuild_by_type+0x76/0x180 [ice]\n[ +0.000145] ice_rebuild+0x18c/0x840 [ice]\n[ +0.000145] ? delay_tsc+0x4a/0xc0\n[ +0.000022] ? delay_tsc+0x92/0xc0\n[ +0.000020] ice_do_reset+0x140/0x180 [ice]\n[ +0.000886] ice_service_task+0x404/0x1030 [ice]\n[ +0.000824] process_one_work+0x171/0x340\n[ +0.000685] worker_thread+0x277/0x3a0\n[ +0.000675] ? preempt_count_add+0x6a/0xa0\n[ +0.000677] ? _raw_spin_lock_irqsave+0x23/0x50\n[ +0.000679] ? __pfx_worker_thread+0x10/0x10\n[ +0.000653] kthread+0xf0/0x120\n[ +0.000635] ? __pfx_kthread+0x10/0x10\n[ +0.000616] ret_from_fork+0x2d/0x50\n[ +0.000612] ? __pfx_kthread+0x10/0x10\n[ +0.000604] ret_from_fork_asm+0x1b/0x30\n[ +0.000604] \u003c/TASK\u003e\n\nThe previous way of handling this through returning -EBUSY is not viable,\nparticularly when destroying AF_XDP socket, because the kernel proceeds\nwith removal anyway.\n\nThere is plenty of code between those calls and there is no need to create\na large critical section that covers all of them, same as there is no need\nto protect ice_vsi_rebuild() with rtnl_lock().\n\nAdd xdp_state_lock mutex to protect ice_vsi_rebuild() and ice_xdp().\n\nLeaving unprotected sections in between would result in two states that\nhave to be considered:\n1. when the VSI is closed, but not yet rebuild\n2. when VSI is already rebuild, but not yet open\n\nThe latter case is actually already handled through !netif_running() case,\nwe just need to adjust flag checking a little. The former one is not as\ntrivial, because between ice_vsi_close() and ice_vsi_rebuild(), a lot of\nhardware interaction happens, this can make adding/deleting rings exit\nwith an error. Luckily, VSI rebuild is pending and can apply new\nconfiguration for us in a managed fashion.\n\nTherefore, add an additional VSI state flag ICE_VSI_REBUILD_PENDING to\nindicate that ice_x\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - Both halves of the race are driven through local syscalls \u2014 AF_XDP `bind()`/`close()` and rtnetlink `IFLA_XDP` attach/detach for `ice_xdp()`, plus locally-triggered PF resets. No remote peer input reaches this code.\nAC:L - The attacker controls both sides: a tight AF_XDP bind/close or XDP attach/detach loop against the multi-millisecond `ice_vsi_decfg()`\u2192`ice_vsi_cfg_def()` window in the unlocked `ice_vsi_rebuild()`, with PF resets induced repeatedly via TX-timeout recovery or reset-scheduling config paths, so the window is hit reliably by repetition.\nPR:L - The `XDP_SETUP_XSK_POOL` entry needs only `ns_capable(net-\u003euser_ns, CAP_NET_RAW)` in `xsk_create()`, obtainable in a user namespace, and every AF_XDP bind/close calls `ndo_bpf` with no BPF program load; in the AF_XDP/XDP deployments this driver targets the E810 netdev is delegated into a container netns where that principal is unprivileged on the host.\nUI:N - The attacker performs all steps itself \u2014 opening AF_XDP sockets, toggling XDP, and inducing the reset. No victim action is involved.\nS:U - The freed ring/vector objects, the `pf-\u003eavail_txqs` bitmap, and the devres list all belong to the kernel itself, so impact stays within the kernel\u0027s security authority.\nC:H - `ice_qp_dis()` and `ice_destroy_xdp_rings()` read `tx_rings[]`, `rx_rings[]`, `q_vector`, `xdp_rings[]` and `txq_map[]` after `ice_vsi_decfg()` has freed them, so a reclaimed slab\u0027s contents are read back and acted on, giving the attacker a use-after-free read of arbitrary kernel data.\nI:H - The same window yields UAF writes \u2014 `WRITE_ONCE(vsi-\u003erx_rings[i]-\u003exdp_prog, \u2026)`, `vsi-\u003exdp_rings[i] = NULL`, `txq_map[\u2026] = ICE_INVAL_Q_INDEX` into freed slabs \u2014 plus a double `devm_kfree(vsi-\u003exdp_rings)` corrupting the devres list and a `clear_bit()` indexed by stale, groomable `txq_map` data.\nA:H - The commit documents a hard kernel Oops (`BUG: kernel NULL pointer dereference` in `ice_clean_tx_ring` from `ice_vsi_rebuild`), and the double-free plus use-after-free of ring structures reliably panic the machine."
}
]
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"datePublished": "2024-09-18T07:12:24.420Z",
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CVE-2024-46870 (GCVE-0-2024-46870)
Vulnerability from cvelistv5
Published
2024-10-09 14:02
Modified
2026-05-11 20:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Disable DMCUB timeout for DCN35
[Why]
DMCUB can intermittently take longer than expected to process commands.
Old ASIC policy was to continue while logging a diagnostic error - which
works fine for ASIC without IPS, but with IPS this could lead to a race
condition where we attempt to access DCN state while it's inaccessible,
leading to a system hang when the NIU port is not disabled or register
accesses that timeout and the display configuration in an undefined
state.
[How]
We need to investigate why these accesses take longer than expected, but
for now we should disable the timeout on DCN35 to avoid this race
condition. Since the waits happen only at lower interrupt levels the
risk of taking too long at higher IRQ and causing a system watchdog
timeout are minimal.
References
Impacted products
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"versions": [
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CVE-2024-36954 (GCVE-0-2024-36954)
Vulnerability from cvelistv5
Published
2024-05-30 15:35
Modified
2026-05-23 15:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tipc: fix a possible memleak in tipc_buf_append
__skb_linearize() doesn't free the skb when it fails, so move
'*buf = NULL' after __skb_linearize(), so that the skb can be
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References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4b1761898861117c97066aea6c58f68a7787f0bf Version: 64d17ec9f1ded042c4b188d15734f33486ed9966 Version: 6da24cfc83ba4f97ea44fc7ae9999a006101755c Version: b7df21cf1b79ab7026f545e7bf837bd5750ac026 Version: b7df21cf1b79ab7026f545e7bf837bd5750ac026 Version: b7df21cf1b79ab7026f545e7bf837bd5750ac026 Version: b7df21cf1b79ab7026f545e7bf837bd5750ac026 Version: b7df21cf1b79ab7026f545e7bf837bd5750ac026 Version: b2c8d28c34b3070407cb1741f9ba3f15d0284b8b Version: 5489f30bb78ff0dafb4229a69632afc2ba20765c Version: 436d650d374329a591c30339a91fa5078052ed1e Version: ace300eecbccaa698e2b472843c74a5f33f7dce8 Version: 4.19.193 ≤ Version: 5.4.124 ≤ Version: 5.10.42 ≤ Version: 4.4.271 ≤ Version: 4.9.271 ≤ Version: 4.14.235 ≤ Version: 5.12.9 ≤ |
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CVE-2024-50175 (GCVE-0-2024-50175)
Vulnerability from cvelistv5
Published
2024-11-08 05:23
Modified
2026-08-05 11:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: qcom: camss: Remove use_count guard in stop_streaming
The use_count check was introduced so that multiple concurrent Raw Data
Interfaces RDIs could be driven by different virtual channels VCs on the
CSIPHY input driving the video pipeline.
This is an invalid use of use_count though as use_count pertains to the
number of times a video entity has been opened by user-space not the number
of active streams.
If use_count and stream-on count don't agree then stop_streaming() will
break as is currently the case and has become apparent when using CAMSS
with libcamera's released softisp 0.3.
The use of use_count like this is a bit hacky and right now breaks regular
usage of CAMSS for a single stream case. Stopping qcam results in the splat
below, and then it cannot be started again and any attempts to do so fails
with -EBUSY.
[ 1265.509831] WARNING: CPU: 5 PID: 919 at drivers/media/common/videobuf2/videobuf2-core.c:2183 __vb2_queue_cancel+0x230/0x2c8 [videobuf2_common]
...
[ 1265.510630] Call trace:
[ 1265.510636] __vb2_queue_cancel+0x230/0x2c8 [videobuf2_common]
[ 1265.510648] vb2_core_streamoff+0x24/0xcc [videobuf2_common]
[ 1265.510660] vb2_ioctl_streamoff+0x5c/0xa8 [videobuf2_v4l2]
[ 1265.510673] v4l_streamoff+0x24/0x30 [videodev]
[ 1265.510707] __video_do_ioctl+0x190/0x3f4 [videodev]
[ 1265.510732] video_usercopy+0x304/0x8c4 [videodev]
[ 1265.510757] video_ioctl2+0x18/0x34 [videodev]
[ 1265.510782] v4l2_ioctl+0x40/0x60 [videodev]
...
[ 1265.510944] videobuf2_common: driver bug: stop_streaming operation is leaving buffer 0 in active state
[ 1265.511175] videobuf2_common: driver bug: stop_streaming operation is leaving buffer 1 in active state
[ 1265.511398] videobuf2_common: driver bug: stop_streaming operation is leaving buffer 2 in active st
One CAMSS specific way to handle multiple VCs on the same RDI might be:
- Reference count each pipeline enable for CSIPHY, CSID, VFE and RDIx.
- The video buffers are already associated with msm_vfeN_rdiX so
release video buffers when told to do so by stop_streaming.
- Only release the power-domains for the CSIPHY, CSID and VFE when
their internal refcounts drop.
Either way refusing to release video buffers based on use_count is
erroneous and should be reverted. The silicon enabling code for selecting
VCs is perfectly fine. Its a "known missing feature" that concurrent VCs
won't work with CAMSS right now.
Initial testing with this code didn't show an error but, SoftISP and "real"
usage with Google Hangouts breaks the upstream code pretty quickly, we need
to do a partial revert and take another pass at VCs.
This commit partially reverts commit 89013969e232 ("media: camss: sm8250:
Pipeline starting and stopping for multiple virtual channels")
References
| URL | Tags | |
|---|---|---|
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: qcom: camss: Remove use_count guard in stop_streaming\n\nThe use_count check was introduced so that multiple concurrent Raw Data\nInterfaces RDIs could be driven by different virtual channels VCs on the\nCSIPHY input driving the video pipeline.\n\nThis is an invalid use of use_count though as use_count pertains to the\nnumber of times a video entity has been opened by user-space not the number\nof active streams.\n\nIf use_count and stream-on count don\u0027t agree then stop_streaming() will\nbreak as is currently the case and has become apparent when using CAMSS\nwith libcamera\u0027s released softisp 0.3.\n\nThe use of use_count like this is a bit hacky and right now breaks regular\nusage of CAMSS for a single stream case. Stopping qcam results in the splat\nbelow, and then it cannot be started again and any attempts to do so fails\nwith -EBUSY.\n\n[ 1265.509831] WARNING: CPU: 5 PID: 919 at drivers/media/common/videobuf2/videobuf2-core.c:2183 __vb2_queue_cancel+0x230/0x2c8 [videobuf2_common]\n...\n[ 1265.510630] Call trace:\n[ 1265.510636] __vb2_queue_cancel+0x230/0x2c8 [videobuf2_common]\n[ 1265.510648] vb2_core_streamoff+0x24/0xcc [videobuf2_common]\n[ 1265.510660] vb2_ioctl_streamoff+0x5c/0xa8 [videobuf2_v4l2]\n[ 1265.510673] v4l_streamoff+0x24/0x30 [videodev]\n[ 1265.510707] __video_do_ioctl+0x190/0x3f4 [videodev]\n[ 1265.510732] video_usercopy+0x304/0x8c4 [videodev]\n[ 1265.510757] video_ioctl2+0x18/0x34 [videodev]\n[ 1265.510782] v4l2_ioctl+0x40/0x60 [videodev]\n...\n[ 1265.510944] videobuf2_common: driver bug: stop_streaming operation is leaving buffer 0 in active state\n[ 1265.511175] videobuf2_common: driver bug: stop_streaming operation is leaving buffer 1 in active state\n[ 1265.511398] videobuf2_common: driver bug: stop_streaming operation is leaving buffer 2 in active st\n\nOne CAMSS specific way to handle multiple VCs on the same RDI might be:\n\n- Reference count each pipeline enable for CSIPHY, CSID, VFE and RDIx.\n- The video buffers are already associated with msm_vfeN_rdiX so\n release video buffers when told to do so by stop_streaming.\n- Only release the power-domains for the CSIPHY, CSID and VFE when\n their internal refcounts drop.\n\nEither way refusing to release video buffers based on use_count is\nerroneous and should be reverted. The silicon enabling code for selecting\nVCs is perfectly fine. Its a \"known missing feature\" that concurrent VCs\nwon\u0027t work with CAMSS right now.\n\nInitial testing with this code didn\u0027t show an error but, SoftISP and \"real\"\nusage with Google Hangouts breaks the upstream code pretty quickly, we need\nto do a partial revert and take another pass at VCs.\n\nThis commit partially reverts commit 89013969e232 (\"media: camss: sm8250:\nPipeline starting and stopping for multiple virtual channels\")"
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"value": "AV:L - The vulnerability is reached exclusively through local character-device ioctls on the CAMSS `/dev/videoN` and `/dev/mediaN` nodes (VIDIOC_REQBUFS/QBUF/STREAMON/STREAMOFF, or simply close()). No network or physical-access vector exists.\nAC:L - The attacker controls every precondition: open the video node twice to drive the upstream subdev\u0027s use_count to 2, then STREAMON/STREAMOFF; the early return is then taken deterministically with no race or uncontrolled state. The upstream commit reports this breaking on ordinary single-stream libcamera/qcam usage.\nPR:L - Only an unprivileged local account with access to the camera device nodes is needed \u2014 `video` group membership or a logind seat ACL on desktop/laptop Qualcomm systems, or the camera service context on Android. No capability check exists in `video_open()`, `vb2_ioctl_streamoff()`, or `video_stop_streaming()`.\nUI:N - The attacker performs the entire open/queue/streamon/streamoff/free sequence from its own process. No victim action or cooperating second party is required.\nS:U - The corruption is confined to kernel heap objects and driver state within the same security authority; there is no VM, IOMMU, or sandbox boundary crossed by the bug itself.\nC:H - Skipping `vfe_flush_buffers()` leaves `output-\u003epending_bufs`, `buf[0]/buf[1]` and `last_buffer` dangling after `__vb2_queue_free()`, and the next STREAMON reads `buf-\u003eaddr[0]` out of the freed slab; a use-after-free of this kind gives read access to reclaimed kernel heap contents and can leak them back to userspace via vb2 buffers.\nI:H - `vfe_buf_get_pending()` performs `list_del()` on a freed list node \u2014 a classic unlink write primitive once the slab is resprayed \u2014 and the stale `addr[0]` is programmed as the VFE write-master DMA destination, letting hardware write frame data to an attacker-influenced address. Both yield arbitrary-write potential and control-flow hijack opportunity.\nA:H - The path immediately hits `WARN_ON()` at videobuf2-core.c:2183 (a panic under panic_on_warn), the use-after-free crashes the kernel, and the leaked `media_pipeline` leaves every other video node in the graph permanently returning -EBUSY, disabling the camera subsystem system-wide until reboot."
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CVE-2024-41031 (GCVE-0-2024-41031)
Vulnerability from cvelistv5
Published
2024-07-29 14:31
Modified
2026-05-11 20:24
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/filemap: skip to create PMD-sized page cache if needed
On ARM64, HPAGE_PMD_ORDER is 13 when the base page size is 64KB. The
PMD-sized page cache can't be supported by xarray as the following error
messages indicate.
------------[ cut here ]------------
WARNING: CPU: 35 PID: 7484 at lib/xarray.c:1025 xas_split_alloc+0xf8/0x128
Modules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib \
nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct \
nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 \
ip_set rfkill nf_tables nfnetlink vfat fat virtio_balloon drm \
fuse xfs libcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64 \
sha1_ce virtio_net net_failover virtio_console virtio_blk failover \
dimlib virtio_mmio
CPU: 35 PID: 7484 Comm: test Kdump: loaded Tainted: G W 6.10.0-rc5-gavin+ #9
Hardware name: QEMU KVM Virtual Machine, BIOS edk2-20240524-1.el9 05/24/2024
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : xas_split_alloc+0xf8/0x128
lr : split_huge_page_to_list_to_order+0x1c4/0x720
sp : ffff800087a4f6c0
x29: ffff800087a4f6c0 x28: ffff800087a4f720 x27: 000000001fffffff
x26: 0000000000000c40 x25: 000000000000000d x24: ffff00010625b858
x23: ffff800087a4f720 x22: ffffffdfc0780000 x21: 0000000000000000
x20: 0000000000000000 x19: ffffffdfc0780000 x18: 000000001ff40000
x17: 00000000ffffffff x16: 0000018000000000 x15: 51ec004000000000
x14: 0000e00000000000 x13: 0000000000002000 x12: 0000000000000020
x11: 51ec000000000000 x10: 51ece1c0ffff8000 x9 : ffffbeb961a44d28
x8 : 0000000000000003 x7 : ffffffdfc0456420 x6 : ffff0000e1aa6eb8
x5 : 20bf08b4fe778fca x4 : ffffffdfc0456420 x3 : 0000000000000c40
x2 : 000000000000000d x1 : 000000000000000c x0 : 0000000000000000
Call trace:
xas_split_alloc+0xf8/0x128
split_huge_page_to_list_to_order+0x1c4/0x720
truncate_inode_partial_folio+0xdc/0x160
truncate_inode_pages_range+0x1b4/0x4a8
truncate_pagecache_range+0x84/0xa0
xfs_flush_unmap_range+0x70/0x90 [xfs]
xfs_file_fallocate+0xfc/0x4d8 [xfs]
vfs_fallocate+0x124/0x2e8
ksys_fallocate+0x4c/0xa0
__arm64_sys_fallocate+0x24/0x38
invoke_syscall.constprop.0+0x7c/0xd8
do_el0_svc+0xb4/0xd0
el0_svc+0x44/0x1d8
el0t_64_sync_handler+0x134/0x150
el0t_64_sync+0x17c/0x180
Fix it by skipping to allocate PMD-sized page cache when its size is
larger than MAX_PAGECACHE_ORDER. For this specific case, we will fall to
regular path where the readahead window is determined by BDI's sysfs file
(read_ahead_kb).
References
Impacted products
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CVE-2022-48879 (GCVE-0-2022-48879)
Vulnerability from cvelistv5
Published
2024-08-21 06:10
Modified
2026-05-23 15:21
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
efi: fix NULL-deref in init error path
In cases where runtime services are not supported or have been disabled,
the runtime services workqueue will never have been allocated.
Do not try to destroy the workqueue unconditionally in the unlikely
event that EFI initialisation fails to avoid dereferencing a NULL
pointer.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2ff3c97b47521d6700cc6485c7935908dcd2c27c Version: 5167f194da6947e19a3e970485ee3ccb44f7958d Version: 98086df8b70c06234a8f4290c46064e44dafa0ed Version: 98086df8b70c06234a8f4290c46064e44dafa0ed Version: 98086df8b70c06234a8f4290c46064e44dafa0ed Version: 98086df8b70c06234a8f4290c46064e44dafa0ed Version: f591a42b8f9a9d20e01d0462f4f55d2176ac52ec Version: e6584124b9823151ef586d10dedf565ade50cea6 Version: 4.19.142 ≤ Version: 5.4.61 ≤ Version: 5.7.18 ≤ Version: 5.8.4 ≤ |
||
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CVE-2022-48981 (GCVE-0-2022-48981)
Vulnerability from cvelistv5
Published
2024-10-21 20:05
Modified
2026-08-05 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/shmem-helper: Remove errant put in error path
drm_gem_shmem_mmap() doesn't own this reference, resulting in the GEM
object getting prematurely freed leading to a later use-after-free.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-46797 (GCVE-0-2024-46797)
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2026-05-11 20:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
powerpc/qspinlock: Fix deadlock in MCS queue
If an interrupt occurs in queued_spin_lock_slowpath() after we increment
qnodesp->count and before node->lock is initialized, another CPU might
see stale lock values in get_tail_qnode(). If the stale lock value happens
to match the lock on that CPU, then we write to the "next" pointer of
the wrong qnode. This causes a deadlock as the former CPU, once it becomes
the head of the MCS queue, will spin indefinitely until it's "next" pointer
is set by its successor in the queue.
Running stress-ng on a 16 core (16EC/16VP) shared LPAR, results in
occasional lockups similar to the following:
$ stress-ng --all 128 --vm-bytes 80% --aggressive \
--maximize --oomable --verify --syslog \
--metrics --times --timeout 5m
watchdog: CPU 15 Hard LOCKUP
......
NIP [c0000000000b78f4] queued_spin_lock_slowpath+0x1184/0x1490
LR [c000000001037c5c] _raw_spin_lock+0x6c/0x90
Call Trace:
0xc000002cfffa3bf0 (unreliable)
_raw_spin_lock+0x6c/0x90
raw_spin_rq_lock_nested.part.135+0x4c/0xd0
sched_ttwu_pending+0x60/0x1f0
__flush_smp_call_function_queue+0x1dc/0x670
smp_ipi_demux_relaxed+0xa4/0x100
xive_muxed_ipi_action+0x20/0x40
__handle_irq_event_percpu+0x80/0x240
handle_irq_event_percpu+0x2c/0x80
handle_percpu_irq+0x84/0xd0
generic_handle_irq+0x54/0x80
__do_irq+0xac/0x210
__do_IRQ+0x74/0xd0
0x0
do_IRQ+0x8c/0x170
hardware_interrupt_common_virt+0x29c/0x2a0
--- interrupt: 500 at queued_spin_lock_slowpath+0x4b8/0x1490
......
NIP [c0000000000b6c28] queued_spin_lock_slowpath+0x4b8/0x1490
LR [c000000001037c5c] _raw_spin_lock+0x6c/0x90
--- interrupt: 500
0xc0000029c1a41d00 (unreliable)
_raw_spin_lock+0x6c/0x90
futex_wake+0x100/0x260
do_futex+0x21c/0x2a0
sys_futex+0x98/0x270
system_call_exception+0x14c/0x2f0
system_call_vectored_common+0x15c/0x2ec
The following code flow illustrates how the deadlock occurs.
For the sake of brevity, assume that both locks (A and B) are
contended and we call the queued_spin_lock_slowpath() function.
CPU0 CPU1
---- ----
spin_lock_irqsave(A) |
spin_unlock_irqrestore(A) |
spin_lock(B) |
| |
▼ |
id = qnodesp->count++; |
(Note that nodes[0].lock == A) |
| |
▼ |
Interrupt |
(happens before "nodes[0].lock = B") |
| |
▼ |
spin_lock_irqsave(A) |
| |
▼ |
id = qnodesp->count++ |
nodes[1].lock = A |
| |
▼ |
Tail of MCS queue |
| spin_lock_irqsave(A)
▼ |
Head of MCS queue ▼
| CPU0 is previous tail
▼ |
Spin indefinitely ▼
(until "nodes[1].next != NULL") prev = get_tail_qnode(A, CPU0)
|
▼
prev == &qnodes[CPU0].nodes[0]
(as qnodes
---truncated---
References
Impacted products
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CVE-2024-50024 (GCVE-0-2024-50024)
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2026-08-05 11:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: Fix an unsafe loop on the list
The kernel may crash when deleting a genetlink family if there are still
listeners for that family:
Oops: Kernel access of bad area, sig: 11 [#1]
...
NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0
LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0
Call Trace:
__netlink_clear_multicast_users+0x74/0xc0
genl_unregister_family+0xd4/0x2d0
Change the unsafe loop on the list to a safe one, because inside the
loop there is an element removal from this list.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: b8273570f802a7658827dcb077b0b517ba75a289 Version: b8273570f802a7658827dcb077b0b517ba75a289 Version: b8273570f802a7658827dcb077b0b517ba75a289 Version: b8273570f802a7658827dcb077b0b517ba75a289 Version: b8273570f802a7658827dcb077b0b517ba75a289 Version: b8273570f802a7658827dcb077b0b517ba75a289 Version: b8273570f802a7658827dcb077b0b517ba75a289 Version: b8273570f802a7658827dcb077b0b517ba75a289 |
||
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CVE-2024-36883 (GCVE-0-2024-36883)
Vulnerability from cvelistv5
Published
2024-05-30 15:28
Modified
2026-08-05 11:31
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: fix out-of-bounds access in ops_init
net_alloc_generic is called by net_alloc, which is called without any
locking. It reads max_gen_ptrs, which is changed under pernet_ops_rwsem. It
is read twice, first to allocate an array, then to set s.len, which is
later used to limit the bounds of the array access.
It is possible that the array is allocated and another thread is
registering a new pernet ops, increments max_gen_ptrs, which is then used
to set s.len with a larger than allocated length for the variable array.
Fix it by reading max_gen_ptrs only once in net_alloc_generic. If
max_gen_ptrs is later incremented, it will be caught in net_assign_generic.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 073862ba5d249c20bd5c49fc6d904ff0e1f6a672 Version: 073862ba5d249c20bd5c49fc6d904ff0e1f6a672 Version: 073862ba5d249c20bd5c49fc6d904ff0e1f6a672 Version: 073862ba5d249c20bd5c49fc6d904ff0e1f6a672 Version: 073862ba5d249c20bd5c49fc6d904ff0e1f6a672 Version: 073862ba5d249c20bd5c49fc6d904ff0e1f6a672 Version: 073862ba5d249c20bd5c49fc6d904ff0e1f6a672 Version: 073862ba5d249c20bd5c49fc6d904ff0e1f6a672 Version: 561331eae0a03d0c4cf60f3cf485aa3e8aa5ab48 Version: a2c82f7bee1ffa9eafa1fb0bd886a7eea8c9e497 Version: 3.0.19 ≤ Version: 3.2.3 ≤ |
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{
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"url": "https://git.kernel.org/stable/c/f4f94587e1bf87cb40ec33955a9d90148dd026ab"
},
{
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"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
},
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"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html"
},
{
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}
],
"title": "CVE Program Container"
}
],
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix out-of-bounds access in ops_init\n\nnet_alloc_generic is called by net_alloc, which is called without any\nlocking. It reads max_gen_ptrs, which is changed under pernet_ops_rwsem. It\nis read twice, first to allocate an array, then to set s.len, which is\nlater used to limit the bounds of the array access.\n\nIt is possible that the array is allocated and another thread is\nregistering a new pernet ops, increments max_gen_ptrs, which is then used\nto set s.len with a larger than allocated length for the variable array.\n\nFix it by reading max_gen_ptrs only once in net_alloc_generic. If\nmax_gen_ptrs is later incremented, it will be caught in net_assign_generic."
}
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"lang": "en",
"value": "AV:L - The vulnerable code is reached through the local `clone()`/`unshare(CLONE_NEWNET)` syscall path (`copy_net_ns` \u2192 `net_alloc` \u2192 `net_alloc_generic`) raced against local pernet-ops registration. No remote packet processing is involved, so local access is required.\nAC:L - The attacker controls both sides of the race \u2014 one set of threads spins on netns creation while another triggers `register_pernet_operations()` via autoloadable network modules \u2014 and the window is a sleepable `kzalloc(GFP_KERNEL)` that can be widened arbitrarily with memory pressure. Once the window is hit, the subsequent `setup_net()` ordering follows naturally from the rwsem, requiring no additional luck.\nPR:L - Creating a network namespace requires only `ns_capable(user_ns, CAP_SYS_ADMIN)`, which any unprivileged user obtains via `unshare -Urn` on the widely-deployed configurations that enable unprivileged user namespaces; module autoload for the second race side is likewise reachable with CAP_NET_ADMIN inside that namespace.\nUI:N - The attacker triggers the entire sequence from its own threads via syscalls; no action by any other user or victim process is needed.\nS:U - The out-of-bounds accesses corrupt kernel slab memory within the same kernel security authority; no VM, IOMMU, or other trust boundary is crossed.\nC:H - The oversized `s.len` drives an out-of-bounds `memcpy` that copies adjacent slab contents into the `net_generic` array, where those leaked qwords are then handed out by `net_generic()` as subsystem private-data pointers and dereferenced, yielding attacker-influenced kernel heap disclosure.\nI:H - `net_assign_generic()` writes a valid kernel heap pointer at `old_ng-\u003eptr[id]` beyond the end of the allocation, and the attacker can size the allocation to a kmalloc bucket boundary so the write lands in a neighboring object \u2014 a controlled cross-object heap write suitable for control-flow hijacking.\nA:H - Out-of-bounds slab writes and the resulting wild-pointer dereferences and `kfree()` of garbage values in `ops_free_list()` reliably produce kernel oops, slab corruption, or panic."
}
]
}
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"references": [
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{
"url": "https://git.kernel.org/stable/c/7b0e64583eab8c1d896b47e5dd0bf2e7d86ec41f"
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{
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{
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},
{
"url": "https://git.kernel.org/stable/c/a26ff37e624d12e28077e5b24d2b264f62764ad6"
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],
"title": "net: fix out-of-bounds access in ops_init",
"x_generator": {
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-36883",
"datePublished": "2024-05-30T15:28:53.302Z",
"dateReserved": "2024-05-30T15:25:07.064Z",
"dateUpdated": "2026-08-05T11:31:49.005Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2024-42226 (GCVE-0-2024-42226)
Vulnerability from cvelistv5
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
"containers": {
"cna": {
"providerMetadata": {
"dateUpdated": "2024-08-11T15:33:01.397Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"rejectedReasons": [
{
"lang": "en",
"value": "This CVE ID has been rejected or withdrawn by its CVE Numbering Authority."
}
]
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"cveId": "CVE-2024-42226",
"datePublished": "2024-07-30T07:47:07.319Z",
"dateRejected": "2024-08-11T15:33:01.397Z",
"dateReserved": "2024-07-30T07:40:12.250Z",
"dateUpdated": "2024-08-11T15:33:01.397Z",
"state": "REJECTED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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