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CERTFR-2025-AVI-0699
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, un contournement de la politique de sécurité et un déni de service.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 9 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian 9 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 8.6 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian 8 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems 8 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - TUS 8.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 8 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 8 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 9 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 8.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Real Time for NFV 8 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 8 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems 9 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 8 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 9 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Real Time 8 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.6 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 9 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x |
References
| Title | Publication Time | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 9 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian 9 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 8.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian 8 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems 8 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - TUS 8.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 8 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 9 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 8.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for NFV 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 8 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems 9 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 9 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 9 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"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-2025-38380",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38380"
},
{
"name": "CVE-2022-50020",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-50020"
},
{
"name": "CVE-2024-57980",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-57980"
},
{
"name": "CVE-2025-21727",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21727"
},
{
"name": "CVE-2025-38159",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38159"
},
{
"name": "CVE-2025-38086",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38086"
},
{
"name": "CVE-2025-38079",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38079"
},
{
"name": "CVE-2021-47670",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47670"
},
{
"name": "CVE-2025-38292",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38292"
},
{
"name": "CVE-2025-38085",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38085"
},
{
"name": "CVE-2025-21928",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21928"
},
{
"name": "CVE-2022-50022",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-50022"
},
{
"name": "CVE-2024-58002",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-58002"
},
{
"name": "CVE-2025-38052",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38052"
},
{
"name": "CVE-2022-49788",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49788"
},
{
"name": "CVE-2025-21919",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21919"
},
{
"name": "CVE-2025-21759",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21759"
},
{
"name": "CVE-2025-23150",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23150"
}
],
"initial_release_date": "2025-08-14T00:00:00",
"last_revision_date": "2025-08-14T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0699",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-08-14T00:00:00.000000"
}
],
"risks": [
{
"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 Red Hat. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, un contournement de la politique de s\u00e9curit\u00e9 et un d\u00e9ni de service.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Red Hat",
"vendor_advisories": [
{
"published_at": "2025-08-11",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2025:13589",
"url": "https://access.redhat.com/errata/RHSA-2025:13589"
},
{
"published_at": "2025-08-13",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2025:13805",
"url": "https://access.redhat.com/errata/RHSA-2025:13805"
},
{
"published_at": "2025-08-11",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2025:13602",
"url": "https://access.redhat.com/errata/RHSA-2025:13602"
},
{
"published_at": "2025-08-11",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2025:13590",
"url": "https://access.redhat.com/errata/RHSA-2025:13590"
},
{
"published_at": "2025-08-13",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2025:13776",
"url": "https://access.redhat.com/errata/RHSA-2025:13776"
}
]
}
CVE-2021-47670 (GCVE-0-2021-47670)
Vulnerability from cvelistv5
Published
2025-04-17 18:01
Modified
2026-08-05 08:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
can: peak_usb: fix use after free bugs
After calling peak_usb_netif_rx_ni(skb), dereferencing skb is unsafe.
Especially, the can_frame cf which aliases skb memory is accessed
after the peak_usb_netif_rx_ni().
Reordering the lines solves the issue.
References
| URL | Tags | |
|---|---|---|
Impacted products
{
"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-2021-47670",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-17T18:17:46.529671Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-17T18:25:25.160Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/can/usb/peak_usb/pcan_usb_fd.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "5408824636fa0dfedb9ecb0d94abd573131bfbbe",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "ddd1416f44130377798c1430b76503513b7497c2",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "ec939c13c3fff2114479769c8380b7f1a54feca9",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "50aca891d7a554db0901b245167cd653d73aaa71",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/can/usb/peak_usb/pcan_usb_fd.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.0"
},
{
"lessThan": "4.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.171",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.93",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.11",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.11",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.19.171",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.4.93",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.11",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.11",
"versionStartIncluding": "4.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_usb: fix use after free bugs\n\nAfter calling peak_usb_netif_rx_ni(skb), dereferencing skb is unsafe.\nEspecially, the can_frame cf which aliases skb memory is accessed\nafter the peak_usb_netif_rx_ni().\n\nReordering the lines solves the issue."
}
],
"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 UAF is in pcan_usb_fd_decode_canmsg/decode_status on the USB bulk RX path that delivers CAN/CAN-FD frames from a PEAK USB FD adapter. In the highest realistic deployment (automotive/industrial host with the adapter already attached and the CAN netdev up), an attacker on the shared CAN bus can send frames that the adapter forwards into this decode path, which is an adjacent-segment attack analogous to Bluetooth/WiFi rather than a pure physical plug-in.\nAC:L - Any received CAN frame or status message that takes the decode path calls peak_usb_netif_rx() and then dereferences the can_frame alias; the attacker fully controls frame generation on the bus and does not depend on an uncontrollable race or rare memory layout to trigger the use-after-free.\nPR:N - CAN-bus peers need no host account or capability; once the PEAK interface is up in normal operation, URB completion runs in kernel context with no authentication of on-bus traffic.\nUI:N - No separate victim action is required beyond the already-deployed adapter and up interface; on-bus frames are processed automatically by peak_usb_read_bulk_callback \u2192 pcan_usb_fd_decode_buf.\nS:U - Impact is confined to the same host kernel that owns the peak_usb driver and skb allocator; this is ordinary kernel memory corruption, not a VM escape, IOMMU bypass, or other cross-authority boundary crossing.\nC:H - This is a use-after-free of an sk_buff/can_frame after ownership transfer to netif_rx; UAF of heap objects enables reclaim and disclosure of freed object contents, so confidentiality is scored High.\nI:H - The same UAF allows heap reuse of the freed skb object and is treated as providing a corruption/write primitive suitable for control-flow hijack under kernel UAF guidance, so integrity is High.\nA:H - Use-after-free of skb memory after netif_rx can oops/panic when the object is reused or unmapped, and UAF bugs are scored High availability even when not fully exploited for code execution."
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CVE-2025-23150 (GCVE-0-2025-23150)
Vulnerability from cvelistv5
Published
2025-05-01 12:55
Modified
2026-08-05 11:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix off-by-one error in do_split
Syzkaller detected a use-after-free issue in ext4_insert_dentry that was
caused by out-of-bounds access due to incorrect splitting in do_split.
BUG: KASAN: use-after-free in ext4_insert_dentry+0x36a/0x6d0 fs/ext4/namei.c:2109
Write of size 251 at addr ffff888074572f14 by task syz-executor335/5847
CPU: 0 UID: 0 PID: 5847 Comm: syz-executor335 Not tainted 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
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
kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
__asan_memcpy+0x40/0x70 mm/kasan/shadow.c:106
ext4_insert_dentry+0x36a/0x6d0 fs/ext4/namei.c:2109
add_dirent_to_buf+0x3d9/0x750 fs/ext4/namei.c:2154
make_indexed_dir+0xf98/0x1600 fs/ext4/namei.c:2351
ext4_add_entry+0x222a/0x25d0 fs/ext4/namei.c:2455
ext4_add_nondir+0x8d/0x290 fs/ext4/namei.c:2796
ext4_symlink+0x920/0xb50 fs/ext4/namei.c:3431
vfs_symlink+0x137/0x2e0 fs/namei.c:4615
do_symlinkat+0x222/0x3a0 fs/namei.c:4641
__do_sys_symlink fs/namei.c:4662 [inline]
__se_sys_symlink fs/namei.c:4660 [inline]
__x64_sys_symlink+0x7a/0x90 fs/namei.c:4660
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
</TASK>
The following loop is located right above 'if' statement.
for (i = count-1; i >= 0; i--) {
/* is more than half of this entry in 2nd half of the block? */
if (size + map[i].size/2 > blocksize/2)
break;
size += map[i].size;
move++;
}
'i' in this case could go down to -1, in which case sum of active entries
wouldn't exceed half the block size, but previous behaviour would also do
split in half if sum would exceed at the very last block, which in case of
having too many long name files in a single block could lead to
out-of-bounds access and following use-after-free.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ea54176e5821936d109bb45dc2c19bd53559e735 Version: 5872331b3d91820e14716632ebb56b1399b34fe1 Version: 5872331b3d91820e14716632ebb56b1399b34fe1 Version: 5872331b3d91820e14716632ebb56b1399b34fe1 Version: 5872331b3d91820e14716632ebb56b1399b34fe1 Version: 5872331b3d91820e14716632ebb56b1399b34fe1 Version: 5872331b3d91820e14716632ebb56b1399b34fe1 Version: 5872331b3d91820e14716632ebb56b1399b34fe1 Version: 5872331b3d91820e14716632ebb56b1399b34fe1 Version: 059b1480105478c5f68cf664301545b8cad6a7cf Version: 539ae3e03875dacaa9c388aff141ccbb4ef4ecb5 Version: fbbfd55a40d5d0806b59ee0403c75d5ac517533f Version: b3ddf6ba5e28a57729fff1605ae08e21be5c92e3 Version: e50fe43e3062e18846e99d9646b9c07b097eb1ed Version: 88e79f7a9841278fa8ff7ff6178bad12da002ffc Version: 5.4.61 ≤ Version: 4.4.234 ≤ Version: 4.9.234 ≤ Version: 4.14.195 ≤ Version: 4.19.142 ≤ Version: 5.7.18 ≤ Version: 5.8.4 ≤ |
||
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix off-by-one error in do_split\n\nSyzkaller detected a use-after-free issue in ext4_insert_dentry that was\ncaused by out-of-bounds access due to incorrect splitting in do_split.\n\nBUG: KASAN: use-after-free in ext4_insert_dentry+0x36a/0x6d0 fs/ext4/namei.c:2109\nWrite of size 251 at addr ffff888074572f14 by task syz-executor335/5847\n\nCPU: 0 UID: 0 PID: 5847 Comm: syz-executor335 Not tainted 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024\nCall 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 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189\n __asan_memcpy+0x40/0x70 mm/kasan/shadow.c:106\n ext4_insert_dentry+0x36a/0x6d0 fs/ext4/namei.c:2109\n add_dirent_to_buf+0x3d9/0x750 fs/ext4/namei.c:2154\n make_indexed_dir+0xf98/0x1600 fs/ext4/namei.c:2351\n ext4_add_entry+0x222a/0x25d0 fs/ext4/namei.c:2455\n ext4_add_nondir+0x8d/0x290 fs/ext4/namei.c:2796\n ext4_symlink+0x920/0xb50 fs/ext4/namei.c:3431\n vfs_symlink+0x137/0x2e0 fs/namei.c:4615\n do_symlinkat+0x222/0x3a0 fs/namei.c:4641\n __do_sys_symlink fs/namei.c:4662 [inline]\n __se_sys_symlink fs/namei.c:4660 [inline]\n __x64_sys_symlink+0x7a/0x90 fs/namei.c:4660\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 \u003c/TASK\u003e\n\nThe following loop is located right above \u0027if\u0027 statement.\n\nfor (i = count-1; i \u003e= 0; i--) {\n\t/* is more than half of this entry in 2nd half of the block? */\n\tif (size + map[i].size/2 \u003e blocksize/2)\n\t\tbreak;\n\tsize += map[i].size;\n\tmove++;\n}\n\n\u0027i\u0027 in this case could go down to -1, in which case sum of active entries\nwouldn\u0027t exceed half the block size, but previous behaviour would also do\nsplit in half if sum would exceed at the very last block, which in case of\nhaving too many long name files in a single block could lead to\nout-of-bounds access and following use-after-free.\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller."
}
],
"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 path is reached purely through local filesystem syscalls (symlink, open(O_CREAT), mkdir, link, mknod, rename) via ext4_add_entry() on a locally mounted ext4 filesystem. No network protocol handling is involved.\nAC:L - The attacker fully controls every filename in the target directory, and therefore every dirent size, every hash, the sorted map ordering, the loop break index, and which split block receives the new entry; favorable layouts are cheaply brute-forced in fresh directories. The 1024-byte block size required is the mke2fs default for filesystems under 512 MB (embedded/IoT rootfs, SD cards, USB media, /boot, small images) and is directly attacker-chosen when the attacker supplies the medium.\nPR:L - Only an ordinary unprivileged local user is needed \u2014 write permission on any directory of the affected ext4 filesystem (e.g. /tmp, a home directory, or a mounted removable volume). No capabilities, no user namespace tricks, and no root are required.\nUI:N - The attacker performs all the file-creation operations themselves; no crafted or corrupted filesystem image needs to be mounted and no victim action of any kind is required.\nS:U - The out-of-bounds write corrupts kernel heap/page-cache memory within the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The overflow writes attacker-controlled bytes into memory adjacent to the directory block, allowing forged ext4_dir_entry_2 records with attacker-chosen inode numbers that grant read access to arbitrary inodes on the filesystem regardless of permissions, and the resulting heap corruption is leverageable into an arbitrary-read primitive (KASAN reports it as a use-after-free).\nI:H - This is a linear heap out-of-bounds write of up to ~263 bytes whose contents are entirely attacker-supplied (the filename), landing either in adjacent page-cache directory data or past the folio into arbitrary kernel memory \u2014 a classic controlled-overflow primitive for arbitrary write and control-flow hijack, plus direct on-disk filesystem corruption.\nA:H - The bug is a KASAN-confirmed out-of-bounds/use-after-free write that reliably produces kernel oops/panic and persistent directory corruption requiring fsck, and it can be re-triggered at will by an unprivileged user."
}
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CVE-2025-38292 (GCVE-0-2025-38292)
Vulnerability from cvelistv5
Published
2025-07-10 07:42
Modified
2026-08-05 12:01
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath12k: fix invalid access to memory
In ath12k_dp_rx_msdu_coalesce(), rxcb is fetched from skb and boolean
is_continuation is part of rxcb.
Currently, after freeing the skb, the rxcb->is_continuation accessed
again which is wrong since the memory is already freed.
This might lead use-after-free error.
Hence, fix by locally defining bool is_continuation from rxcb,
so that after freeing skb, is_continuation can be used.
Compile tested only.
References
Impacted products
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CVE-2025-38159 (GCVE-0-2025-38159)
Vulnerability from cvelistv5
Published
2025-07-03 08:36
Modified
2026-05-11 21:22
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds
Set the size to 6 instead of 2, since 'para' array is passed to
'rtw_fw_bt_wifi_control(rtwdev, para[0], ¶[1])', which reads
5 bytes:
void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data)
{
...
SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data);
SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1));
...
SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4));
Detected using the static analysis tool - Svace.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
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Version: 4136214f7c46839c15f0f177fe1d5052302c0205 Version: 4136214f7c46839c15f0f177fe1d5052302c0205 Version: 4136214f7c46839c15f0f177fe1d5052302c0205 Version: 4136214f7c46839c15f0f177fe1d5052302c0205 Version: 4136214f7c46839c15f0f177fe1d5052302c0205 Version: 4136214f7c46839c15f0f177fe1d5052302c0205 |
||
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CVE-2025-21727 (GCVE-0-2025-21727)
Vulnerability from cvelistv5
Published
2025-02-27 02:07
Modified
2026-08-05 11:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
padata: fix UAF in padata_reorder
A bug was found when run ltp test:
BUG: KASAN: slab-use-after-free in padata_find_next+0x29/0x1a0
Read of size 4 at addr ffff88bbfe003524 by task kworker/u113:2/3039206
CPU: 0 PID: 3039206 Comm: kworker/u113:2 Kdump: loaded Not tainted 6.6.0+
Workqueue: pdecrypt_parallel padata_parallel_worker
Call Trace:
<TASK>
dump_stack_lvl+0x32/0x50
print_address_description.constprop.0+0x6b/0x3d0
print_report+0xdd/0x2c0
kasan_report+0xa5/0xd0
padata_find_next+0x29/0x1a0
padata_reorder+0x131/0x220
padata_parallel_worker+0x3d/0xc0
process_one_work+0x2ec/0x5a0
If 'mdelay(10)' is added before calling 'padata_find_next' in the
'padata_reorder' function, this issue could be reproduced easily with
ltp test (pcrypt_aead01).
This can be explained as bellow:
pcrypt_aead_encrypt
...
padata_do_parallel
refcount_inc(&pd->refcnt); // add refcnt
...
padata_do_serial
padata_reorder // pd
while (1) {
padata_find_next(pd, true); // using pd
queue_work_on
...
padata_serial_worker crypto_del_alg
padata_put_pd_cnt // sub refcnt
padata_free_shell
padata_put_pd(ps->pd);
// pd is freed
// loop again, but pd is freed
// call padata_find_next, UAF
}
In the padata_reorder function, when it loops in 'while', if the alg is
deleted, the refcnt may be decreased to 0 before entering
'padata_find_next', which leads to UAF.
As mentioned in [1], do_serial is supposed to be called with BHs disabled
and always happen under RCU protection, to address this issue, add
synchronize_rcu() in 'padata_free_shell' wait for all _do_serial calls
to finish.
[1] https://lore.kernel.org/all/20221028160401.cccypv4euxikusiq@parnassus.localdomain/
[2] https://lore.kernel.org/linux-kernel/jfjz5d7zwbytztackem7ibzalm5lnxldi2eofeiczqmqs2m7o6@fq426cwnjtkm/
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
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CVE-2022-50022 (GCVE-0-2022-50022)
Vulnerability from cvelistv5
Published
2025-06-18 11:01
Modified
2026-08-05 08:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drivers:md:fix a potential use-after-free bug
In line 2884, "raid5_release_stripe(sh);" drops the reference to sh and
may cause sh to be released. However, sh is subsequently used in lines
2886 "if (sh->batch_head && sh != sh->batch_head)". This may result in an
use-after-free bug.
It can be fixed by moving "raid5_release_stripe(sh);" to the bottom of
the function.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c Version: 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c Version: 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c Version: 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c Version: 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c Version: 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c Version: 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c Version: 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c |
||
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CVE-2025-21928 (GCVE-0-2025-21928)
Vulnerability from cvelistv5
Published
2025-04-01 15:40
Modified
2026-05-11 21:09
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove()
The system can experience a random crash a few minutes after the driver is
removed. This issue occurs due to improper handling of memory freeing in
the ishtp_hid_remove() function.
The function currently frees the `driver_data` directly within the loop
that destroys the HID devices, which can lead to accessing freed memory.
Specifically, `hid_destroy_device()` uses `driver_data` when it calls
`hid_ishtp_set_feature()` to power off the sensor, so freeing
`driver_data` beforehand can result in accessing invalid memory.
This patch resolves the issue by storing the `driver_data` in a temporary
variable before calling `hid_destroy_device()`, and then freeing the
`driver_data` after the device is destroyed.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0b28cb4bcb17dcb5fe0763fc3e1a94398b8f6cf6 Version: 0b28cb4bcb17dcb5fe0763fc3e1a94398b8f6cf6 Version: 0b28cb4bcb17dcb5fe0763fc3e1a94398b8f6cf6 Version: 0b28cb4bcb17dcb5fe0763fc3e1a94398b8f6cf6 Version: 0b28cb4bcb17dcb5fe0763fc3e1a94398b8f6cf6 Version: 0b28cb4bcb17dcb5fe0763fc3e1a94398b8f6cf6 Version: 0b28cb4bcb17dcb5fe0763fc3e1a94398b8f6cf6 Version: 0b28cb4bcb17dcb5fe0763fc3e1a94398b8f6cf6 |
||
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CVE-2025-38052 (GCVE-0-2025-38052)
Vulnerability from cvelistv5
Published
2025-06-18 09:33
Modified
2026-08-05 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done
Syzbot reported a slab-use-after-free with the following call trace:
==================================================================
BUG: KASAN: slab-use-after-free in tipc_aead_encrypt_done+0x4bd/0x510 net/tipc/crypto.c:840
Read of size 8 at addr ffff88807a733000 by task kworker/1:0/25
Call Trace:
kasan_report+0xd9/0x110 mm/kasan/report.c:601
tipc_aead_encrypt_done+0x4bd/0x510 net/tipc/crypto.c:840
crypto_request_complete include/crypto/algapi.h:266
aead_request_complete include/crypto/internal/aead.h:85
cryptd_aead_crypt+0x3b8/0x750 crypto/cryptd.c:772
crypto_request_complete include/crypto/algapi.h:266
cryptd_queue_worker+0x131/0x200 crypto/cryptd.c:181
process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
Allocated by task 8355:
kzalloc_noprof include/linux/slab.h:778
tipc_crypto_start+0xcc/0x9e0 net/tipc/crypto.c:1466
tipc_init_net+0x2dd/0x430 net/tipc/core.c:72
ops_init+0xb9/0x650 net/core/net_namespace.c:139
setup_net+0x435/0xb40 net/core/net_namespace.c:343
copy_net_ns+0x2f0/0x670 net/core/net_namespace.c:508
create_new_namespaces+0x3ea/0xb10 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228
ksys_unshare+0x419/0x970 kernel/fork.c:3323
__do_sys_unshare kernel/fork.c:3394
Freed by task 63:
kfree+0x12a/0x3b0 mm/slub.c:4557
tipc_crypto_stop+0x23c/0x500 net/tipc/crypto.c:1539
tipc_exit_net+0x8c/0x110 net/tipc/core.c:119
ops_exit_list+0xb0/0x180 net/core/net_namespace.c:173
cleanup_net+0x5b7/0xbf0 net/core/net_namespace.c:640
process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
After freed the tipc_crypto tx by delete namespace, tipc_aead_encrypt_done
may still visit it in cryptd_queue_worker workqueue.
I reproduce this issue by:
ip netns add ns1
ip link add veth1 type veth peer name veth2
ip link set veth1 netns ns1
ip netns exec ns1 tipc bearer enable media eth dev veth1
ip netns exec ns1 tipc node set key this_is_a_master_key master
ip netns exec ns1 tipc bearer disable media eth dev veth1
ip netns del ns1
The key of reproduction is that, simd_aead_encrypt is interrupted, leading
to crypto_simd_usable() return false. Thus, the cryptd_queue_worker is
triggered, and the tipc_crypto tx will be visited.
tipc_disc_timeout
tipc_bearer_xmit_skb
tipc_crypto_xmit
tipc_aead_encrypt
crypto_aead_encrypt
// encrypt()
simd_aead_encrypt
// crypto_simd_usable() is false
child = &ctx->cryptd_tfm->base;
simd_aead_encrypt
crypto_aead_encrypt
// encrypt()
cryptd_aead_encrypt_enqueue
cryptd_aead_enqueue
cryptd_enqueue_request
// trigger cryptd_queue_worker
queue_work_on(smp_processor_id(), cryptd_wq, &cpu_queue->work)
Fix this by holding net reference count before encrypt.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 Version: fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 Version: fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 Version: fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 Version: fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 Version: fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 Version: fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done\n\nSyzbot reported a slab-use-after-free with the following call trace:\n\n ==================================================================\n BUG: KASAN: slab-use-after-free in tipc_aead_encrypt_done+0x4bd/0x510 net/tipc/crypto.c:840\n Read of size 8 at addr ffff88807a733000 by task kworker/1:0/25\n\n Call Trace:\n kasan_report+0xd9/0x110 mm/kasan/report.c:601\n tipc_aead_encrypt_done+0x4bd/0x510 net/tipc/crypto.c:840\n crypto_request_complete include/crypto/algapi.h:266\n aead_request_complete include/crypto/internal/aead.h:85\n cryptd_aead_crypt+0x3b8/0x750 crypto/cryptd.c:772\n crypto_request_complete include/crypto/algapi.h:266\n cryptd_queue_worker+0x131/0x200 crypto/cryptd.c:181\n process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231\n\n Allocated by task 8355:\n kzalloc_noprof include/linux/slab.h:778\n tipc_crypto_start+0xcc/0x9e0 net/tipc/crypto.c:1466\n tipc_init_net+0x2dd/0x430 net/tipc/core.c:72\n ops_init+0xb9/0x650 net/core/net_namespace.c:139\n setup_net+0x435/0xb40 net/core/net_namespace.c:343\n copy_net_ns+0x2f0/0x670 net/core/net_namespace.c:508\n create_new_namespaces+0x3ea/0xb10 kernel/nsproxy.c:110\n unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228\n ksys_unshare+0x419/0x970 kernel/fork.c:3323\n __do_sys_unshare kernel/fork.c:3394\n\n Freed by task 63:\n kfree+0x12a/0x3b0 mm/slub.c:4557\n tipc_crypto_stop+0x23c/0x500 net/tipc/crypto.c:1539\n tipc_exit_net+0x8c/0x110 net/tipc/core.c:119\n ops_exit_list+0xb0/0x180 net/core/net_namespace.c:173\n cleanup_net+0x5b7/0xbf0 net/core/net_namespace.c:640\n process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231\n\nAfter freed the tipc_crypto tx by delete namespace, tipc_aead_encrypt_done\nmay still visit it in cryptd_queue_worker workqueue.\n\nI reproduce this issue by:\n ip netns add ns1\n ip link add veth1 type veth peer name veth2\n ip link set veth1 netns ns1\n ip netns exec ns1 tipc bearer enable media eth dev veth1\n ip netns exec ns1 tipc node set key this_is_a_master_key master\n ip netns exec ns1 tipc bearer disable media eth dev veth1\n ip netns del ns1\n\nThe key of reproduction is that, simd_aead_encrypt is interrupted, leading\nto crypto_simd_usable() return false. Thus, the cryptd_queue_worker is\ntriggered, and the tipc_crypto tx will be visited.\n\n tipc_disc_timeout\n tipc_bearer_xmit_skb\n tipc_crypto_xmit\n tipc_aead_encrypt\n crypto_aead_encrypt\n // encrypt()\n simd_aead_encrypt\n // crypto_simd_usable() is false\n child = \u0026ctx-\u003ecryptd_tfm-\u003ebase;\n\n simd_aead_encrypt\n crypto_aead_encrypt\n // encrypt()\n cryptd_aead_encrypt_enqueue\n cryptd_aead_enqueue\n cryptd_enqueue_request\n // trigger cryptd_queue_worker\n queue_work_on(smp_processor_id(), cryptd_wq, \u0026cpu_queue-\u003ework)\n\nFix this by holding net reference count before encrypt."
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"value": "AV:N - The vulnerable encrypt path is bound to the TIPC network stack and is driven by remote peer traffic \u2014 an inbound DSC_REQ_MSG forces an encrypted DSC_RESP_MSG through tipc_crypto_xmit()/tipc_aead_encrypt() before any node is established, and TIPC bearers include IP/UDP media (CONFIG_TIPC_MEDIA_UDP default y), which is routable across the internet.\nAC:L - The attacker controls both sides of the race \u2014 flooding discovery/link-protocol traffic keeps many async cryptd encryptions in flight while the namespace teardown that frees tipc_crypto is issued on demand, and the sequence can be retried without limit; on platforms with asynchronous AEAD accelerators the -EINPROGRESS callback path is taken unconditionally rather than being a race at all.\nPR:L - No real root is needed: the TIPC v2 generic-netlink ops carry no GENL_ADMIN_PERM (the only capability check in net/tipc is the legacy compat path), and `unshare -Urn` grants CAP_NET_ADMIN inside a fresh netns for veth/bearer/key setup, with namespace exit performing the free \u2014 matching the syzbot trace via ksys_unshare \u2192 copy_net_ns \u2192 tipc_crypto_start.\nUI:N - The entire sequence (bearer enable, key set, packet flood, namespace teardown) is performed by the attacker; no victim action or cooperation is required.\nS:U - The use-after-free corrupts kernel heap memory within the same security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - The callback reads 8 bytes of freed slab memory (tx-\u003enet at crypto.c:840) and then uses tx-\u003estats and that stale struct net pointer; once the ~320-byte kmalloc object is reclaimed with attacker-chosen data, the resulting pointer dereferences give a path to disclose arbitrary kernel memory.\nI:H - A reclaimed tipc_crypto yields a fully attacker-controlled tx-\u003estats, so this_cpu_inc(tx-\u003estats-\u003estat[STAT_ASYNC_OK]) becomes a repeatable arbitrary-address increment, and the controlled struct net * is passed into b-\u003emedia-\u003esend_msg() \u2014 both are standard building blocks for kernel privilege escalation.\nA:H - Dereferencing the freed per-netns tipc_crypto from the cryptd worker reliably oopses or panics the kernel, and the trigger can be repeated to keep the system down."
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CVE-2025-38086 (GCVE-0-2025-38086)
Vulnerability from cvelistv5
Published
2025-06-28 07:52
Modified
2026-05-11 21:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: ch9200: fix uninitialised access during mii_nway_restart
In mii_nway_restart() the code attempts to call
mii->mdio_read which is ch9200_mdio_read(). ch9200_mdio_read()
utilises a local buffer called "buff", which is initialised
with control_read(). However "buff" is conditionally
initialised inside control_read():
if (err == size) {
memcpy(data, buf, size);
}
If the condition of "err == size" is not met, then
"buff" remains uninitialised. Once this happens the
uninitialised "buff" is accessed and returned during
ch9200_mdio_read():
return (buff[0] | buff[1] << 8);
The problem stems from the fact that ch9200_mdio_read()
ignores the return value of control_read(), leading to
uinit-access of "buff".
To fix this we should check the return value of
control_read() and return early on error.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4a476bd6d1d923922ec950ddc4c27b279f6901eb Version: 4a476bd6d1d923922ec950ddc4c27b279f6901eb Version: 4a476bd6d1d923922ec950ddc4c27b279f6901eb Version: 4a476bd6d1d923922ec950ddc4c27b279f6901eb Version: 4a476bd6d1d923922ec950ddc4c27b279f6901eb Version: 4a476bd6d1d923922ec950ddc4c27b279f6901eb Version: 4a476bd6d1d923922ec950ddc4c27b279f6901eb Version: 4a476bd6d1d923922ec950ddc4c27b279f6901eb |
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CVE-2025-21919 (GCVE-0-2025-21919)
Vulnerability from cvelistv5
Published
2025-04-01 15:40
Modified
2026-08-05 11:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
sched/fair: Fix potential memory corruption in child_cfs_rq_on_list
child_cfs_rq_on_list attempts to convert a 'prev' pointer to a cfs_rq.
This 'prev' pointer can originate from struct rq's leaf_cfs_rq_list,
making the conversion invalid and potentially leading to memory
corruption. Depending on the relative positions of leaf_cfs_rq_list and
the task group (tg) pointer within the struct, this can cause a memory
fault or access garbage data.
The issue arises in list_add_leaf_cfs_rq, where both
cfs_rq->leaf_cfs_rq_list and rq->leaf_cfs_rq_list are added to the same
leaf list. Also, rq->tmp_alone_branch can be set to rq->leaf_cfs_rq_list.
This adds a check `if (prev == &rq->leaf_cfs_rq_list)` after the main
conditional in child_cfs_rq_on_list. This ensures that the container_of
operation will convert a correct cfs_rq struct.
This check is sufficient because only cfs_rqs on the same CPU are added
to the list, so verifying the 'prev' pointer against the current rq's list
head is enough.
Fixes a potential memory corruption issue that due to current struct
layout might not be manifesting as a crash but could lead to unpredictable
behavior when the layout changes.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fdaba61ef8a268d4136d0a113d153f7a89eb9984 Version: fdaba61ef8a268d4136d0a113d153f7a89eb9984 Version: fdaba61ef8a268d4136d0a113d153f7a89eb9984 Version: fdaba61ef8a268d4136d0a113d153f7a89eb9984 Version: fdaba61ef8a268d4136d0a113d153f7a89eb9984 Version: fdaba61ef8a268d4136d0a113d153f7a89eb9984 |
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CVE-2022-50020 (GCVE-0-2022-50020)
Vulnerability from cvelistv5
Published
2025-06-18 11:01
Modified
2026-05-11 19:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: avoid resizing to a partial cluster size
This patch avoids an attempt to resize the filesystem to an
unaligned cluster boundary. An online resize to a size that is not
integral to cluster size results in the last iteration attempting to
grow the fs by a negative amount, which trips a BUG_ON and leaves the fs
with a corrupted in-memory superblock.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
| Linux | Linux |
Version: d77147ff443b255d82c907a632c825b2cc610b10 Version: d77147ff443b255d82c907a632c825b2cc610b10 Version: d77147ff443b255d82c907a632c825b2cc610b10 Version: d77147ff443b255d82c907a632c825b2cc610b10 Version: d77147ff443b255d82c907a632c825b2cc610b10 Version: d77147ff443b255d82c907a632c825b2cc610b10 |
||
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CVE-2025-38085 (GCVE-0-2025-38085)
Vulnerability from cvelistv5
Published
2025-06-28 07:44
Modified
2026-08-05 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race
huge_pmd_unshare() drops a reference on a page table that may have
previously been shared across processes, potentially turning it into a
normal page table used in another process in which unrelated VMAs can
afterwards be installed.
If this happens in the middle of a concurrent gup_fast(), gup_fast() could
end up walking the page tables of another process. While I don't see any
way in which that immediately leads to kernel memory corruption, it is
really weird and unexpected.
Fix it with an explicit broadcast IPI through tlb_remove_table_sync_one(),
just like we do in khugepaged when removing page tables for a THP
collapse.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2022-49788 (GCVE-0-2022-49788)
Vulnerability from cvelistv5
Published
2025-05-01 14:09
Modified
2026-05-11 19:06
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram()
`struct vmci_event_qp` allocated by qp_notify_peer() contains padding,
which may carry uninitialized data to the userspace, as observed by
KMSAN:
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user ./include/linux/instrumented.h:121
instrument_copy_to_user ./include/linux/instrumented.h:121
_copy_to_user+0x5f/0xb0 lib/usercopy.c:33
copy_to_user ./include/linux/uaccess.h:169
vmci_host_do_receive_datagram drivers/misc/vmw_vmci/vmci_host.c:431
vmci_host_unlocked_ioctl+0x33d/0x43d0 drivers/misc/vmw_vmci/vmci_host.c:925
vfs_ioctl fs/ioctl.c:51
...
Uninit was stored to memory at:
kmemdup+0x74/0xb0 mm/util.c:131
dg_dispatch_as_host drivers/misc/vmw_vmci/vmci_datagram.c:271
vmci_datagram_dispatch+0x4f8/0xfc0 drivers/misc/vmw_vmci/vmci_datagram.c:339
qp_notify_peer+0x19a/0x290 drivers/misc/vmw_vmci/vmci_queue_pair.c:1479
qp_broker_attach drivers/misc/vmw_vmci/vmci_queue_pair.c:1662
qp_broker_alloc+0x2977/0x2f30 drivers/misc/vmw_vmci/vmci_queue_pair.c:1750
vmci_qp_broker_alloc+0x96/0xd0 drivers/misc/vmw_vmci/vmci_queue_pair.c:1940
vmci_host_do_alloc_queuepair drivers/misc/vmw_vmci/vmci_host.c:488
vmci_host_unlocked_ioctl+0x24fd/0x43d0 drivers/misc/vmw_vmci/vmci_host.c:927
...
Local variable ev created at:
qp_notify_peer+0x54/0x290 drivers/misc/vmw_vmci/vmci_queue_pair.c:1456
qp_broker_attach drivers/misc/vmw_vmci/vmci_queue_pair.c:1662
qp_broker_alloc+0x2977/0x2f30 drivers/misc/vmw_vmci/vmci_queue_pair.c:1750
Bytes 28-31 of 48 are uninitialized
Memory access of size 48 starts at ffff888035155e00
Data copied to user address 0000000020000100
Use memset() to prevent the infoleaks.
Also speculatively fix qp_notify_peer_local(), which may suffer from the
same problem.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 06164d2b72aa752ce4633184b3e0d97601017135 Version: 06164d2b72aa752ce4633184b3e0d97601017135 Version: 06164d2b72aa752ce4633184b3e0d97601017135 Version: 06164d2b72aa752ce4633184b3e0d97601017135 Version: 06164d2b72aa752ce4633184b3e0d97601017135 Version: 06164d2b72aa752ce4633184b3e0d97601017135 Version: 06164d2b72aa752ce4633184b3e0d97601017135 Version: 06164d2b72aa752ce4633184b3e0d97601017135 |
||
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CVE-2024-57980 (GCVE-0-2024-57980)
Vulnerability from cvelistv5
Published
2025-02-27 02:07
Modified
2026-05-11 21:01
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: uvcvideo: Fix double free in error path
If the uvc_status_init() function fails to allocate the int_urb, it will
free the dev->status pointer but doesn't reset the pointer to NULL. This
results in the kfree() call in uvc_status_cleanup() trying to
double-free the memory. Fix it by resetting the dev->status pointer to
NULL after freeing it.
Reviewed by: Ricardo Ribalda <ribalda@chromium.org>
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: a31a4055473bf0a7b2b06cb2262347200d0711e1 Version: a31a4055473bf0a7b2b06cb2262347200d0711e1 Version: a31a4055473bf0a7b2b06cb2262347200d0711e1 Version: a31a4055473bf0a7b2b06cb2262347200d0711e1 Version: a31a4055473bf0a7b2b06cb2262347200d0711e1 Version: a31a4055473bf0a7b2b06cb2262347200d0711e1 Version: a31a4055473bf0a7b2b06cb2262347200d0711e1 Version: a31a4055473bf0a7b2b06cb2262347200d0711e1 |
||
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CVE-2025-21759 (GCVE-0-2025-21759)
Vulnerability from cvelistv5
Published
2025-02-27 02:18
Modified
2026-08-05 11:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: mcast: extend RCU protection in igmp6_send()
igmp6_send() can be called without RTNL or RCU being held.
Extend RCU protection so that we can safely fetch the net pointer
and avoid a potential UAF.
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ipv6.igmp_sk uses GFP_KERNEL allocations which can sleep.
Instead use alloc_skb() and charge the net->ipv6.igmp_sk
socket under RCU protection.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2024-58002 (GCVE-0-2024-58002)
Vulnerability from cvelistv5
Published
2025-02-27 02:12
Modified
2026-08-05 11:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: uvcvideo: Remove dangling pointers
When an async control is written, we copy a pointer to the file handle
that started the operation. That pointer will be used when the device is
done. Which could be anytime in the future.
If the user closes that file descriptor, its structure will be freed,
and there will be one dangling pointer per pending async control, that
the driver will try to use.
Clean all the dangling pointers during release().
To avoid adding a performance penalty in the most common case (no async
operation), a counter has been introduced with some logic to make sure
that it is properly handled.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e5225c820c057537dc780244760e2e24c7d27366 Version: e5225c820c057537dc780244760e2e24c7d27366 Version: e5225c820c057537dc780244760e2e24c7d27366 Version: e5225c820c057537dc780244760e2e24c7d27366 Version: e5225c820c057537dc780244760e2e24c7d27366 Version: e5225c820c057537dc780244760e2e24c7d27366 Version: e5225c820c057537dc780244760e2e24c7d27366 Version: e5225c820c057537dc780244760e2e24c7d27366 |
||
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CVE-2025-38380 (GCVE-0-2025-38380)
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-2025-38079 (GCVE-0-2025-38079)
Vulnerability from cvelistv5
Published
2025-06-18 09:33
Modified
2026-08-05 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
crypto: algif_hash - fix double free in hash_accept
If accept(2) is called on socket type algif_hash with
MSG_MORE flag set and crypto_ahash_import fails,
sk2 is freed. However, it is also freed in af_alg_release,
leading to slab-use-after-free error.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fe869cdb89c95d060c77eea20204d6c91f233b53 Version: fe869cdb89c95d060c77eea20204d6c91f233b53 Version: fe869cdb89c95d060c77eea20204d6c91f233b53 Version: fe869cdb89c95d060c77eea20204d6c91f233b53 Version: fe869cdb89c95d060c77eea20204d6c91f233b53 Version: fe869cdb89c95d060c77eea20204d6c91f233b53 Version: fe869cdb89c95d060c77eea20204d6c91f233b53 Version: fe869cdb89c95d060c77eea20204d6c91f233b53 |
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"url": "https://git.kernel.org/stable/c/c3059d58f79fdfb2201249c2741514e34562b547"
},
{
"url": "https://git.kernel.org/stable/c/f0f3d09f53534ea385d55ced408f2b67059b16e4"
},
{
"url": "https://git.kernel.org/stable/c/134daaba93193df9e988524b5cd2f52d15eb1993"
},
{
"url": "https://git.kernel.org/stable/c/2f45a8d64fb4ed4830a4b3273834ecd6ca504896"
},
{
"url": "https://git.kernel.org/stable/c/0346f4b742345d1c733c977f3a7aef5a6419a967"
},
{
"url": "https://git.kernel.org/stable/c/b2df03ed4052e97126267e8c13ad4204ea6ba9b6"
}
],
"title": "crypto: algif_hash - fix double free in hash_accept",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-38079",
"datePublished": "2025-06-18T09:33:53.251Z",
"dateReserved": "2025-04-16T04:51:23.980Z",
"dateUpdated": "2026-08-05T11:59:18.103Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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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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