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CERTFR-2025-AVI-0024
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, un déni de service à distance et une atteinte à la confidentialité 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 High Performance Computing 12 SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 12 SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 12 SP5 LTSS | ||
| SUSE | N/A | SUSE Linux Enterprise Server for SAP Applications 12 SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security |
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "SUSE Linux Enterprise High Performance Computing 12 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 Server 12 SP5 LTSS",
"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": "SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security",
"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-2024-46755",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46755"
},
{
"name": "CVE-2024-46826",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46826"
},
{
"name": "CVE-2024-26886",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26886"
},
{
"name": "CVE-2024-53061",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53061"
},
{
"name": "CVE-2022-48992",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48992"
},
{
"name": "CVE-2024-27051",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27051"
},
{
"name": "CVE-2022-49010",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49010"
},
{
"name": "CVE-2024-47697",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47697"
},
{
"name": "CVE-2024-41016",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41016"
},
{
"name": "CVE-2024-49890",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49890"
},
{
"name": "CVE-2022-49028",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49028"
},
{
"name": "CVE-2022-49015",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49015"
},
{
"name": "CVE-2024-42098",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42098"
},
{
"name": "CVE-2024-41082",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41082"
},
{
"name": "CVE-2024-50055",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50055"
},
{
"name": "CVE-2024-42253",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42253"
},
{
"name": "CVE-2024-50195",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50195"
},
{
"name": "CVE-2022-49000",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49000"
},
{
"name": "CVE-2024-49967",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49967"
},
{
"name": "CVE-2024-49858",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49858"
},
{
"name": "CVE-2021-47612",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47612"
},
{
"name": "CVE-2024-49884",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49884"
},
{
"name": "CVE-2024-46724",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46724"
},
{
"name": "CVE-2024-50074",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50074"
},
{
"name": "CVE-2024-50289",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50289"
},
{
"name": "CVE-2024-46813",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46813"
},
{
"name": "CVE-2024-47673",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47673"
},
{
"name": "CVE-2024-50024",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50024"
},
{
"name": "CVE-2024-47684",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47684"
},
{
"name": "CVE-2024-49965",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49965"
},
{
"name": "CVE-2024-50125",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50125"
},
{
"name": "CVE-2024-36886",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36886"
},
{
"name": "CVE-2024-46800",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46800"
},
{
"name": "CVE-2024-49950",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49950"
},
{
"name": "CVE-2022-48788",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48788"
},
{
"name": "CVE-2024-50047",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50047"
},
{
"name": "CVE-2024-47701",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47701"
},
{
"name": "CVE-2024-50171",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50171"
},
{
"name": "CVE-2024-42114",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42114"
},
{
"name": "CVE-2024-50302",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50302"
},
{
"name": "CVE-2024-47713",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47713"
},
{
"name": "CVE-2024-49936",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49936"
},
{
"name": "CVE-2024-50267",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50267"
},
{
"name": "CVE-2024-49881",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49881"
},
{
"name": "CVE-2023-46343",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-46343"
},
{
"name": "CVE-2024-49896",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49896"
},
{
"name": "CVE-2024-49959",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49959"
},
{
"name": "CVE-2024-50045",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50045"
},
{
"name": "CVE-2024-50183",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50183"
},
{
"name": "CVE-2024-49995",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49995"
},
{
"name": "CVE-2024-26852",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26852"
},
{
"name": "CVE-2024-46816",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46816"
},
{
"name": "CVE-2024-47679",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47679"
},
{
"name": "CVE-2024-42229",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42229"
},
{
"name": "CVE-2024-47735",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47735"
},
{
"name": "CVE-2024-49952",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49952"
},
{
"name": "CVE-2024-53142",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53142"
},
{
"name": "CVE-2022-48790",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48790"
},
{
"name": "CVE-2022-48969",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48969"
},
{
"name": "CVE-2022-49002",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49002"
},
{
"name": "CVE-2024-53066",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53066"
},
{
"name": "CVE-2024-50150",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50150"
},
{
"name": "CVE-2024-46802",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46802"
},
{
"name": "CVE-2024-26801",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26801"
},
{
"name": "CVE-2024-27043",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27043"
},
{
"name": "CVE-2024-53063",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53063"
},
{
"name": "CVE-2024-46777",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46777"
},
{
"name": "CVE-2022-48789",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48789"
},
{
"name": "CVE-2024-35937",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35937"
},
{
"name": "CVE-2022-48988",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48988"
},
{
"name": "CVE-2024-50167",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50167"
},
{
"name": "CVE-2024-50117",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50117"
},
{
"name": "CVE-2024-50154",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50154"
},
{
"name": "CVE-2022-49027",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49027"
},
{
"name": "CVE-2024-49957",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49957"
},
{
"name": "CVE-2024-49962",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49962"
},
{
"name": "CVE-2024-26804",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26804"
},
{
"name": "CVE-2022-48971",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48971"
},
{
"name": "CVE-2024-49958",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49958"
},
{
"name": "CVE-2024-49945",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49945"
},
{
"name": "CVE-2023-6270",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-6270"
},
{
"name": "CVE-2024-49891",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49891"
},
{
"name": "CVE-2024-36905",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36905"
},
{
"name": "CVE-2024-50148",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50148"
},
{
"name": "CVE-2024-50095",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50095"
},
{
"name": "CVE-2024-50296",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50296"
},
{
"name": "CVE-2023-52918",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52918"
},
{
"name": "CVE-2024-50006",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50006"
},
{
"name": "CVE-2024-47672",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47672"
},
{
"name": "CVE-2024-44958",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44958"
},
{
"name": "CVE-2024-50007",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50007"
},
{
"name": "CVE-2024-42131",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42131"
},
{
"name": "CVE-2024-50115",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50115"
},
{
"name": "CVE-2024-49868",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49868"
},
{
"name": "CVE-2024-50237",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50237"
},
{
"name": "CVE-2024-49929",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49929"
},
{
"name": "CVE-2024-44995",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44995"
},
{
"name": "CVE-2024-50264",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50264"
},
{
"name": "CVE-2021-47162",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47162"
},
{
"name": "CVE-2022-48958",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48958"
},
{
"name": "CVE-2022-48949",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48949"
},
{
"name": "CVE-2024-53058",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53058"
},
{
"name": "CVE-2023-52919",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52919"
},
{
"name": "CVE-2024-49921",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49921"
},
{
"name": "CVE-2024-50035",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50035"
},
{
"name": "CVE-2024-47660",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47660"
},
{
"name": "CVE-2022-48991",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48991"
},
{
"name": "CVE-2024-46809",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46809"
},
{
"name": "CVE-2022-48956",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48956"
},
{
"name": "CVE-2024-49938",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49938"
},
{
"name": "CVE-2024-53088",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53088"
},
{
"name": "CVE-2024-47737",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47737"
},
{
"name": "CVE-2024-50290",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50290"
},
{
"name": "CVE-2022-48985",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48985"
},
{
"name": "CVE-2024-50265",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50265"
},
{
"name": "CVE-2024-50033",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50033"
},
{
"name": "CVE-2024-49901",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49901"
},
{
"name": "CVE-2024-50273",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50273"
},
{
"name": "CVE-2024-49949",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49949"
},
{
"name": "CVE-2022-49026",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49026"
},
{
"name": "CVE-2024-50099",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50099"
},
{
"name": "CVE-2024-49920",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49920"
},
{
"name": "CVE-2022-48960",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48960"
},
{
"name": "CVE-2024-47749",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47749"
},
{
"name": "CVE-2024-49966",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49966"
},
{
"name": "CVE-2024-40965",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40965"
},
{
"name": "CVE-2022-48978",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48978"
},
{
"name": "CVE-2024-53085",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53085"
},
{
"name": "CVE-2024-49925",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49925"
},
{
"name": "CVE-2022-49020",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49020"
},
{
"name": "CVE-2024-49851",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49851"
},
{
"name": "CVE-2022-49029",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49029"
},
{
"name": "CVE-2022-48997",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48997"
},
{
"name": "CVE-2024-50278",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50278"
},
{
"name": "CVE-2024-50210",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50210"
},
{
"name": "CVE-2024-47685",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47685"
},
{
"name": "CVE-2024-50044",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50044"
},
{
"name": "CVE-2024-49894",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49894"
},
{
"name": "CVE-2023-52881",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52881"
},
{
"name": "CVE-2024-50187",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50187"
},
{
"name": "CVE-2024-46771",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46771"
},
{
"name": "CVE-2024-46841",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46841"
},
{
"name": "CVE-2024-47698",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47698"
},
{
"name": "CVE-2022-48951",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48951"
},
{
"name": "CVE-2024-39476",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-39476"
},
{
"name": "CVE-2024-49883",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49883"
},
{
"name": "CVE-2024-50236",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50236"
},
{
"name": "CVE-2024-46840",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46840"
},
{
"name": "CVE-2022-49014",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49014"
},
{
"name": "CVE-2024-49996",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49996"
},
{
"name": "CVE-2022-48972",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48972"
},
{
"name": "CVE-2024-47670",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47670"
},
{
"name": "CVE-2024-46818",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46818"
},
{
"name": "CVE-2022-48809",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48809"
},
{
"name": "CVE-2024-46848",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46848"
},
{
"name": "CVE-2024-49860",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49860"
},
{
"name": "CVE-2024-44931",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44931"
},
{
"name": "CVE-2024-50234",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50234"
},
{
"name": "CVE-2024-50194",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50194"
},
{
"name": "CVE-2021-47163",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47163"
},
{
"name": "CVE-2021-46936",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-46936"
},
{
"name": "CVE-2024-49882",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49882"
},
{
"name": "CVE-2022-48853",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48853"
},
{
"name": "CVE-2022-48946",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48946"
},
{
"name": "CVE-2024-53104",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53104"
},
{
"name": "CVE-2022-49011",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49011"
},
{
"name": "CVE-2024-50301",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50301"
},
{
"name": "CVE-2024-49991",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49991"
},
{
"name": "CVE-2024-50179",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50179"
},
{
"name": "CVE-2022-48962",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48962"
},
{
"name": "CVE-2024-47696",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47696"
},
{
"name": "CVE-2024-50073",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50073"
},
{
"name": "CVE-2022-48967",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48967"
},
{
"name": "CVE-2024-47674",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47674"
},
{
"name": "CVE-2023-52898",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52898"
},
{
"name": "CVE-2021-47416",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47416"
},
{
"name": "CVE-2024-47707",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47707"
},
{
"name": "CVE-2024-49982",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49982"
},
{
"name": "CVE-2024-50218",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50218"
},
{
"name": "CVE-2024-46834",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46834"
},
{
"name": "CVE-2024-36954",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36954"
},
{
"name": "CVE-2024-47745",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47745"
},
{
"name": "CVE-2022-49021",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49021"
},
{
"name": "CVE-2024-50279",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50279"
},
{
"name": "CVE-2024-47742",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47742"
},
{
"name": "CVE-2024-47706",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47706"
},
{
"name": "CVE-2024-50135",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50135"
},
{
"name": "CVE-2024-49877",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49877"
},
{
"name": "CVE-2024-38538",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38538"
},
{
"name": "CVE-2022-48973",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48973"
},
{
"name": "CVE-2022-48966",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48966"
},
{
"name": "CVE-2024-53114",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53114"
},
{
"name": "CVE-2024-50058",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50058"
},
{
"name": "CVE-2024-42145",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42145"
},
{
"name": "CVE-2024-45016",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-45016"
}
],
"initial_release_date": "2025-01-10T00:00:00",
"last_revision_date": "2025-01-10T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0024",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-01-10T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"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": "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, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de SUSE",
"vendor_advisories": [
{
"published_at": "2025-01-08",
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2025:0035-1",
"url": "https://www.suse.com/support/update/announcement/2025/suse-su-20250035-1"
},
{
"published_at": "2025-01-08",
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2025:0034-1",
"url": "https://www.suse.com/support/update/announcement/2025/suse-su-20250034-1"
}
]
}
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
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-2024-50035 (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-2021-46936 (GCVE-0-2021-46936)
Vulnerability from cvelistv5
Published
2024-02-27 09:44
Modified
2026-08-05 08:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: fix use-after-free in tw_timer_handler
A real world panic issue was found as follow in Linux 5.4.
BUG: unable to handle page fault for address: ffffde49a863de28
PGD 7e6fe62067 P4D 7e6fe62067 PUD 7e6fe63067 PMD f51e064067 PTE 0
RIP: 0010:tw_timer_handler+0x20/0x40
Call Trace:
<IRQ>
call_timer_fn+0x2b/0x120
run_timer_softirq+0x1ef/0x450
__do_softirq+0x10d/0x2b8
irq_exit+0xc7/0xd0
smp_apic_timer_interrupt+0x68/0x120
apic_timer_interrupt+0xf/0x20
This issue was also reported since 2017 in the thread [1],
unfortunately, the issue was still can be reproduced after fixing
DCCP.
The ipv4_mib_exit_net is called before tcp_sk_exit_batch when a net
namespace is destroyed since tcp_sk_ops is registered befrore
ipv4_mib_ops, which means tcp_sk_ops is in the front of ipv4_mib_ops
in the list of pernet_list. There will be a use-after-free on
net->mib.net_statistics in tw_timer_handler after ipv4_mib_exit_net
if there are some inflight time-wait timers.
This bug is not introduced by commit f2bf415cfed7 ("mib: add net to
NET_ADD_STATS_BH") since the net_statistics is a global variable
instead of dynamic allocation and freeing. Actually, commit
61a7e26028b9 ("mib: put net statistics on struct net") introduces
the bug since it put net statistics on struct net and free it when
net namespace is destroyed.
Moving init_ipv4_mibs() to the front of tcp_init() to fix this bug
and replace pr_crit() with panic() since continuing is meaningless
when init_ipv4_mibs() fails.
[1] https://groups.google.com/g/syzkaller/c/p1tn-_Kc6l4/m/smuL_FMAAgAJ?pli=1
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
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| Linux | Linux |
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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 |
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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-2024-27051 (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
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|---|---|---|---|---|
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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
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 6b18662e239a032f908b7f6e164bdf7e2e0a32c9 Version: 6b18662e239a032f908b7f6e164bdf7e2e0a32c9 Version: 6b18662e239a032f908b7f6e164bdf7e2e0a32c9 Version: 6b18662e239a032f908b7f6e164bdf7e2e0a32c9 Version: 6b18662e239a032f908b7f6e164bdf7e2e0a32c9 Version: 6b18662e239a032f908b7f6e164bdf7e2e0a32c9 Version: 6b18662e239a032f908b7f6e164bdf7e2e0a32c9 Version: 6b18662e239a032f908b7f6e164bdf7e2e0a32c9 |
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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
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|---|---|---|---|---|
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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
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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-2024-50154 (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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"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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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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{
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}
],
"title": "ELF: fix kernel.randomize_va_space double read",
"x_generator": {
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}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-46826",
"datePublished": "2024-09-27T12:39:25.860Z",
"dateReserved": "2024-09-11T15:12:18.285Z",
"dateUpdated": "2026-05-11T20:37:18.165Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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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"descriptions": [
{
"lang": "en",
"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-2024-49949 (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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: avoid potential underflow in qdisc_pkt_len_init() with UFO\n\nAfter commit 7c6d2ecbda83 (\"net: be more gentle about silly gso\nrequests coming from user\") virtio_net_hdr_to_skb() had sanity check\nto detect malicious attempts from user space to cook a bad GSO packet.\n\nThen commit cf9acc90c80ec (\"net: virtio_net_hdr_to_skb: count\ntransport header in UFO\") while fixing one issue, allowed user space\nto cook a GSO packet with the following characteristic :\n\nIPv4 SKB_GSO_UDP, gso_size=3, skb-\u003elen = 28.\n\nWhen this packet arrives in qdisc_pkt_len_init(), we end up\nwith hdr_len = 28 (IPv4 header + UDP header), matching skb-\u003elen\n\nThen the following sets gso_segs to 0 :\n\ngso_segs = DIV_ROUND_UP(skb-\u003elen - hdr_len,\n shinfo-\u003egso_size);\n\nThen later we set qdisc_skb_cb(skb)-\u003epkt_len to back to zero :/\n\nqdisc_skb_cb(skb)-\u003epkt_len += (gso_segs - 1) * hdr_len;\n\nThis leads to the following crash in fq_codel [1]\n\nqdisc_pkt_len_init() is best effort, we only want an estimation\nof the bytes sent on the wire, not crashing the kernel.\n\nThis patch is fixing this particular issue, a following one\nadds more sanity checks for another potential bug.\n\n[1]\n[ 70.724101] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[ 70.724561] #PF: supervisor read access in kernel mode\n[ 70.724561] #PF: error_code(0x0000) - not-present page\n[ 70.724561] PGD 10ac61067 P4D 10ac61067 PUD 107ee2067 PMD 0\n[ 70.724561] Oops: Oops: 0000 [#1] SMP NOPTI\n[ 70.724561] CPU: 11 UID: 0 PID: 2163 Comm: b358537762 Not tainted 6.11.0-virtme #991\n[ 70.724561] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[ 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\n[ 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 \u003c49\u003e 8b 17 49 89 11 41 8b 57 28 45 8b 5f 34 49 c7 07 00 00 00 00 49\nAll code\n========\n 0:\t24 08 \tand $0x8,%al\n 2:\t49 c1 e1 06 \tshl $0x6,%r9\n 6:\t44 89 7c 24 18 \tmov %r15d,0x18(%rsp)\n b:\t45 31 ed \txor %r13d,%r13d\n e:\t45 31 c0 \txor %r8d,%r8d\n 11:\t31 ff \txor %edi,%edi\n 13:\t89 44 24 14 \tmov %eax,0x14(%rsp)\n 17:\t4c 03 8b 90 01 00 00 \tadd 0x190(%rbx),%r9\n 1e:\teb 04 \tjmp 0x24\n 20:\t39 ca \tcmp %ecx,%edx\n 22:\t73 37 \tjae 0x5b\n 24:\t4d 8b 39 \tmov (%r9),%r15\n 27:\t83 c7 01 \tadd $0x1,%edi\n 2a:*\t49 8b 17 \tmov (%r15),%rdx\t\t\u003c-- trapping instruction\n 2d:\t49 89 11 \tmov %rdx,(%r9)\n 30:\t41 8b 57 28 \tmov 0x28(%r15),%edx\n 34:\t45 8b 5f 34 \tmov 0x34(%r15),%r11d\n 38:\t49 c7 07 00 00 00 00 \tmovq $0x0,(%r15)\n 3f:\t49 \trex.WB\n\nCode starting with the faulting instruction\n===========================================\n 0:\t49 8b 17 \tmov (%r15),%rdx\n 3:\t49 89 11 \tmov %rdx,(%r9)\n 6:\t41 8b 57 28 \tmov 0x28(%r15),%edx\n a:\t45 8b 5f 34 \tmov 0x34(%r15),%r11d\n e:\t49 c7 07 00 00 00 00 \tmovq $0x0,(%r15)\n 15:\t49 \trex.WB\n[ 70.724561] RSP: 0018:ffff95ae85e6fb90 EFLAGS: 00000202\n[ 70.724561] RAX: 0000000002000000 RBX: ffff95ae841de000 RCX: 0000000000000000\n[ 70.724561] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001\n[ 70.724561] RBP: ffff95ae85e6fbf8 R08: 0000000000000000 R09: ffff95b710a30000\n[ 70.724561] R10: 0000000000000000 R11: bdf289445ce31881 R12: ffff95ae85e6fc58\n[ 70.724561] R13: 0000000000000000 R14: 0000000000000040 R15: 0000000000000000\n[ 70.724561] FS: 000000002c5c1380(0000) GS:ffff95bd7fcc0000(0000) knlGS:0000000000000000\n[ 70.724561] CS: 0010 DS: 0000 ES: 0000 C\n---truncated---"
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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{
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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-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-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
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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 | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
| Linux | Linux |
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CVE-2022-48790 (GCVE-0-2022-48790)
Vulnerability from cvelistv5
Published
2024-07-16 11:43
Modified
2026-08-05 08:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme: fix a possible use-after-free in controller reset during load
Unlike .queue_rq, in .submit_async_event drivers may not check the ctrl
readiness for AER submission. This may lead to a use-after-free
condition that was observed with nvme-tcp.
The race condition may happen in the following scenario:
1. driver executes its reset_ctrl_work
2. -> nvme_stop_ctrl - flushes ctrl async_event_work
3. ctrl sends AEN which is received by the host, which in turn
schedules AEN handling
4. teardown admin queue (which releases the queue socket)
5. AEN processed, submits another AER, calling the driver to submit
6. driver attempts to send the cmd
==> use-after-free
In order to fix that, add ctrl state check to validate the ctrl
is actually able to accept the AER submission.
This addresses the above race in controller resets because the driver
during teardown should:
1. change ctrl state to RESETTING
2. flush async_event_work (as well as other async work elements)
So after 1,2, any other AER command will find the
ctrl state to be RESETTING and bail out without submitting the AER.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: ad22c355b707a8d8d48e282aadc01c0b0604b2e9 Version: ad22c355b707a8d8d48e282aadc01c0b0604b2e9 Version: ad22c355b707a8d8d48e282aadc01c0b0604b2e9 Version: ad22c355b707a8d8d48e282aadc01c0b0604b2e9 Version: ad22c355b707a8d8d48e282aadc01c0b0604b2e9 Version: ad22c355b707a8d8d48e282aadc01c0b0604b2e9 |
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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-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-2024-50047 (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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"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."
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"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."
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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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"url": "https://git.kernel.org/stable/c/e7385510e2550a9f8b6f3d5f33c5b894ab9ba976"
},
{
"url": "https://git.kernel.org/stable/c/a5f1d30c51c485cec7a7de60205667c3ff86c303"
},
{
"url": "https://git.kernel.org/stable/c/06ee04a907d64ee3910fecedd05d7f1be4b1b70e"
},
{
"url": "https://git.kernel.org/stable/c/b1397fb4a779fca560c43d2acf6702d41b4a495b"
},
{
"url": "https://git.kernel.org/stable/c/15126b916e39b0cb67026b0af3c014bfeb1f76b3"
}
],
"title": "media: pci: cx23885: check cx23885_vdev_init() return",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2023-52918",
"datePublished": "2024-10-22T07:37:27.390Z",
"dateReserved": "2024-08-21T06:07:11.017Z",
"dateUpdated": "2026-05-11T19:35:35.997Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()\n\nsyzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending\ngarbage on the four reserved tcp bits (th-\u003eres1)\n\nUse skb_put_zero() to clear the whole TCP header,\nas done in nf_reject_ip_tcphdr_put()\n\nBUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255\n nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255\n nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344\n nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48\n expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\n nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288\n nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161\n nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\n nf_hook include/linux/netfilter.h:269 [inline]\n NF_HOOK include/linux/netfilter.h:312 [inline]\n ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310\n __netif_receive_skb_one_core net/core/dev.c:5661 [inline]\n __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775\n process_backlog+0x4ad/0xa50 net/core/dev.c:6108\n __napi_poll+0xe7/0x980 net/core/dev.c:6772\n napi_poll net/core/dev.c:6841 [inline]\n net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963\n handle_softirqs+0x1ce/0x800 kernel/softirq.c:554\n __do_softirq+0x14/0x1a kernel/softirq.c:588\n do_softirq+0x9a/0x100 kernel/softirq.c:455\n __local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382\n local_bh_enable include/linux/bottom_half.h:33 [inline]\n rcu_read_unlock_bh include/linux/rcupdate.h:908 [inline]\n __dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450\n dev_queue_xmit include/linux/netdevice.h:3105 [inline]\n neigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565\n neigh_output include/net/neighbour.h:542 [inline]\n ip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141\n __ip6_finish_output net/ipv6/ip6_output.c:215 [inline]\n ip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226\n NF_HOOK_COND include/linux/netfilter.h:303 [inline]\n ip6_output+0x356/0x620 net/ipv6/ip6_output.c:247\n dst_output include/net/dst.h:450 [inline]\n NF_HOOK include/linux/netfilter.h:314 [inline]\n ip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366\n inet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135\n __tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466\n tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]\n tcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143\n tcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333\n __inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679\n inet_stream_connect+0x6a/0xd0 net/ipv4/af_inet.c:750\n __sys_connect_file net/socket.c:2061 [inline]\n __sys_connect+0x606/0x690 net/socket.c:2078\n __do_sys_connect net/socket.c:2088 [inline]\n __se_sys_connect net/socket.c:2085 [inline]\n __x64_sys_connect+0x91/0xe0 net/socket.c:2085\n x64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43\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 stored to memory at:\n nf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249\n nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344\n nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48\n expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\n nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288\n nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161\n nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\n nf_hook include/linux/netfilter.h:269 [inline]\n NF_HOOK include/linux/netfilter.h:312 [inline]\n ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310\n __netif_receive_skb_one_core\n---truncated---"
}
],
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},
{
"url": "https://git.kernel.org/stable/c/dcf48ab3ca2c55b09c8f9c8de0df01c1943bc4e5"
},
{
"url": "https://git.kernel.org/stable/c/fbff87d682e57ddbbe82abf6d0a1a4a36a98afcd"
},
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"url": "https://git.kernel.org/stable/c/7ea2bcfd9bf4c3dbbf22546162226fd1c14d8ad2"
},
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"url": "https://git.kernel.org/stable/c/af4b8a704f26f38310655bad67fd8096293275a2"
},
{
"url": "https://git.kernel.org/stable/c/7a7b5a27c53b55e91eecf646d1b204e73fa4af93"
},
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},
{
"url": "https://git.kernel.org/stable/c/9c778fe48d20ef362047e3376dee56d77f8500d4"
}
],
"title": "netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-47685",
"datePublished": "2024-10-21T11:53:26.486Z",
"dateReserved": "2024-09-30T16:00:12.941Z",
"dateUpdated": "2026-05-12T11:58:11.897Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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 |
||
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{
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"shortName": "CISA-ADP"
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}
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{
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{
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"version": "5.4.227",
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{
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"version": "5.10.159",
"versionType": "semver"
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{
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"version": "5.15.83",
"versionType": "semver"
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{
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"versionType": "semver"
},
{
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"status": "unaffected",
"version": "6.1",
"versionType": "original_commit_for_fix"
}
]
}
],
"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\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": [
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"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"
},
{
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},
{
"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-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-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-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 |
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-2024-49991 (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-2024-27043 (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.
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| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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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 |
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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-2024-47735 (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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"title": "RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled",
"x_generator": {
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"datePublished": "2024-10-21T12:14:05.876Z",
"dateReserved": "2024-09-30T16:00:12.958Z",
"dateUpdated": "2026-05-12T11:58:43.063Z",
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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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"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,
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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{
"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."
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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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links\n\n[Why]\nCoverity report OVERRUN warning. There are\nonly max_links elements within dc-\u003elinks. link\ncount could up to AMDGPU_DM_MAX_DISPLAY_INDEX 31.\n\n[How]\nMake sure link count less than max_links."
}
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}
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"datePublished": "2024-09-27T12:35:57.742Z",
"dateReserved": "2024-09-11T15:12:18.283Z",
"dateUpdated": "2026-08-05T11:38:47.072Z",
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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 | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 Version: 6c96dbbc2aa9f5b4aed8792989d69eae22bf77c4 |
||
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"value": "AV:L - Exploitation requires opening the s5p-jpeg V4L2 M2M device node (/dev/videoN) and issuing a local S_FMT/REQBUFS/QBUF/STREAMON ioctl sequence with a crafted JPEG in the OUTPUT buffer. There is no network-facing path to the parser.\nAC:L - The attacker fully controls every byte of the JPEG header; setting a DHT/DQT/SOF0 or SOS length field to 0x0000 deterministically produces the integer underflow with no race, timing, or memory-layout precondition. Reaching device_run only requires an otherwise well-formed header with a valid SOF/SOS and subsampling value.\nPR:L - An unprivileged local account with access to /dev/video* is sufficient \u2014 udev/logind grant seat users this ACL on desktop and embedded Linux, and on Android Exynos devices the camera/media UID reaches it. No CAP_SYS_ADMIN or root is needed.\nUI:N - The attacker performs the entire QBUF/STREAMON sequence itself against a device node it opened; no victim action, file open, or mount is involved.\nS:U - The out-of-bounds access and the resulting 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 underflowed size permits an effectively unbounded (up to ~4 GiB) out-of-bounds read past the vb2 dma-contig buffer, far beyond \"a few bytes\". Those kernel bytes are loaded into the JPEG IP\u0027s quantization/Huffman table registers, and since dequantized coefficients are coeff \u00d7 qtbl[k], a crafted entropy-coded stream leaks them back to userspace in the decoded CAPTURE buffer at an attacker-chosen offset.\nI:L - Out-of-bounds data drives writel() to attacker-influenced offsets past the intended Huffman-table register windows, corrupting JPEG IP state and the decoded output returned to userspace. The writes stay within the 64 KB ioremap window and cannot reach the DMA base-address registers, so there is no kernel-memory or arbitrary-write primitive.\nA:H - Sequentially reading gigabytes past a dma-contig allocation will hit unmapped or non-RAM addresses, and the parsers run under spin_lock_irqsave() in exynos4_jpeg_device_run() with interrupts disabled, so the fault becomes an oops/panic in atomic context. The condition is trivially and repeatedly triggerable."
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CVE-2024-26804 (GCVE-0-2024-26804)
Vulnerability from cvelistv5
Published
2024-04-04 08:20
Modified
2026-08-12 17:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: ip_tunnel: prevent perpetual headroom growth
syzkaller triggered following kasan splat:
BUG: KASAN: use-after-free in __skb_flow_dissect+0x19d1/0x7a50 net/core/flow_dissector.c:1170
Read of size 1 at addr ffff88812fb4000e by task syz-executor183/5191
[..]
kasan_report+0xda/0x110 mm/kasan/report.c:588
__skb_flow_dissect+0x19d1/0x7a50 net/core/flow_dissector.c:1170
skb_flow_dissect_flow_keys include/linux/skbuff.h:1514 [inline]
___skb_get_hash net/core/flow_dissector.c:1791 [inline]
__skb_get_hash+0xc7/0x540 net/core/flow_dissector.c:1856
skb_get_hash include/linux/skbuff.h:1556 [inline]
ip_tunnel_xmit+0x1855/0x33c0 net/ipv4/ip_tunnel.c:748
ipip_tunnel_xmit+0x3cc/0x4e0 net/ipv4/ipip.c:308
__netdev_start_xmit include/linux/netdevice.h:4940 [inline]
netdev_start_xmit include/linux/netdevice.h:4954 [inline]
xmit_one net/core/dev.c:3548 [inline]
dev_hard_start_xmit+0x13d/0x6d0 net/core/dev.c:3564
__dev_queue_xmit+0x7c1/0x3d60 net/core/dev.c:4349
dev_queue_xmit include/linux/netdevice.h:3134 [inline]
neigh_connected_output+0x42c/0x5d0 net/core/neighbour.c:1592
...
ip_finish_output2+0x833/0x2550 net/ipv4/ip_output.c:235
ip_finish_output+0x31/0x310 net/ipv4/ip_output.c:323
..
iptunnel_xmit+0x5b4/0x9b0 net/ipv4/ip_tunnel_core.c:82
ip_tunnel_xmit+0x1dbc/0x33c0 net/ipv4/ip_tunnel.c:831
ipgre_xmit+0x4a1/0x980 net/ipv4/ip_gre.c:665
__netdev_start_xmit include/linux/netdevice.h:4940 [inline]
netdev_start_xmit include/linux/netdevice.h:4954 [inline]
xmit_one net/core/dev.c:3548 [inline]
dev_hard_start_xmit+0x13d/0x6d0 net/core/dev.c:3564
...
The splat occurs because skb->data points past skb->head allocated area.
This is because neigh layer does:
__skb_pull(skb, skb_network_offset(skb));
... but skb_network_offset() returns a negative offset and __skb_pull()
arg is unsigned. IOW, we skb->data gets "adjusted" by a huge value.
The negative value is returned because skb->head and skb->data distance is
more than 64k and skb->network_header (u16) has wrapped around.
The bug is in the ip_tunnel infrastructure, which can cause
dev->needed_headroom to increment ad infinitum.
The syzkaller reproducer consists of packets getting routed via a gre
tunnel, and route of gre encapsulated packets pointing at another (ipip)
tunnel. The ipip encapsulation finds gre0 as next output device.
This results in the following pattern:
1). First packet is to be sent out via gre0.
Route lookup found an output device, ipip0.
2).
ip_tunnel_xmit for gre0 bumps gre0->needed_headroom based on the future
output device, rt.dev->needed_headroom (ipip0).
3).
ip output / start_xmit moves skb on to ipip0. which runs the same
code path again (xmit recursion).
4).
Routing step for the post-gre0-encap packet finds gre0 as output device
to use for ipip0 encapsulated packet.
tunl0->needed_headroom is then incremented based on the (already bumped)
gre0 device headroom.
This repeats for every future packet:
gre0->needed_headroom gets inflated because previous packets' ipip0 step
incremented rt->dev (gre0) headroom, and ipip0 incremented because gre0
needed_headroom was increased.
For each subsequent packet, gre/ipip0->needed_headroom grows until
post-expand-head reallocations result in a skb->head/data distance of
more than 64k.
Once that happens, skb->network_header (u16) wraps around when
pskb_expand_head tries to make sure that skb_network_offset() is unchanged
after the headroom expansion/reallocation.
After this skb_network_offset(skb) returns a different (and negative)
result post headroom expansion.
The next trip to neigh layer (or anything else that would __skb_pull the
network header) makes skb->data point to a memory location outside
skb->head area.
v2: Cap the needed_headroom update to an arbitarily chosen upperlimit to
prevent perpetual increase instead of dropping the headroom increment
completely.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 243aad830e8a4cdda261626fbaeddde16b08d04a Version: 243aad830e8a4cdda261626fbaeddde16b08d04a Version: 243aad830e8a4cdda261626fbaeddde16b08d04a Version: 243aad830e8a4cdda261626fbaeddde16b08d04a Version: 243aad830e8a4cdda261626fbaeddde16b08d04a Version: 243aad830e8a4cdda261626fbaeddde16b08d04a Version: 243aad830e8a4cdda261626fbaeddde16b08d04a Version: 03017375b0122453e6dda833ff7bd4191915def5 Version: 2.6.33.2 ≤ |
||
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"value": "AV:L - The attacker must locally configure a two-device ip_tunnel routing cycle (gre0 \u2194 tunl0) via rtnetlink/ioctl and then transmit packets through a local socket; a remote peer cannot create the tunnel topology that drives the headroom growth.\nAC:L - The headroom inflation is fully deterministic \u2014 each transmitted packet monotonically increases dev-\u003eneeded_headroom until the u16 network_header wraps, with no race and no dependence on memory layout the attacker cannot influence. The required ipip/gre modules are standard on virtually all distributions.\nPR:L - An unprivileged user gains CAP_NET_ADMIN over a private netns via unshare -Urn, since rtnetlink checks netlink_net_capable() against the netns owning user_ns, and tunl0/gre0 fallback devices are auto-created in every netns because sysctl_fb_tunnels_only_for_init_net defaults to 0.\nUI:N - The attacker performs the entire setup and packet transmission alone; no victim action or interaction is required.\nS:U - The corruption occurs in kernel memory within the same security authority; no VM, IOMMU, or hypervisor boundary is crossed.\nC:H - After the offset overflow skb-\u003edata points ~4GB away in the kernel direct map, producing the syzbot-confirmed KASAN out-of-bounds/use-after-free read in __skb_flow_dissect, and the resulting packet\u0027s payload is read from that arbitrary kernel memory and transmitted to the attacker-chosen tunnel destination \u2014 up to ~64KB of kernel memory disclosure.\nI:H - skb_push() only validates data \u003c head, so iptunnel_xmit() writes a 20-byte IP header (with attacker-controlled saddr/daddr/tos/ttl) plus the GRE header and attacker-chosen GRE key into out-of-bounds kernel memory, giving a partially controlled write primitive suitable for corrupting adjacent kernel objects.\nA:H - The confirmed use-after-free/out-of-bounds access reliably causes a KASAN report, oops, or panic (unmapped-address dereference or skb_under_panic), and the unbounded needed_headroom growth also forces ever-larger skb reallocations."
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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-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-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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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-2023-52898 (GCVE-0-2023-52898)
Vulnerability from cvelistv5
Published
2024-08-21 06:10
Modified
2026-05-11 19:35
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
xhci: Fix null pointer dereference when host dies
Make sure xhci_free_dev() and xhci_kill_endpoint_urbs() do not race
and cause null pointer dereference when host suddenly dies.
Usb core may call xhci_free_dev() which frees the xhci->devs[slot_id]
virt device at the same time that xhci_kill_endpoint_urbs() tries to
loop through all the device's endpoints, checking if there are any
cancelled urbs left to give back.
hold the xhci spinlock while freeing the virt device
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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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-2024-50195 (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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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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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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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-2024-42114 (GCVE-0-2024-42114)
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2026-05-12 11:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: restrict NL80211_ATTR_TXQ_QUANTUM values
syzbot is able to trigger softlockups, setting NL80211_ATTR_TXQ_QUANTUM
to 2^31.
We had a similar issue in sch_fq, fixed with commit
d9e15a273306 ("pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM")
watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [kworker/1:0:24]
Modules linked in:
irq event stamp: 131135
hardirqs last enabled at (131134): [<ffff80008ae8778c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]
hardirqs last enabled at (131134): [<ffff80008ae8778c>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95
hardirqs last disabled at (131135): [<ffff80008ae85378>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline]
hardirqs last disabled at (131135): [<ffff80008ae85378>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551
softirqs last enabled at (125892): [<ffff80008907e82c>] neigh_hh_init net/core/neighbour.c:1538 [inline]
softirqs last enabled at (125892): [<ffff80008907e82c>] neigh_resolve_output+0x268/0x658 net/core/neighbour.c:1553
softirqs last disabled at (125896): [<ffff80008904166c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: mld mld_ifc_work
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __list_del include/linux/list.h:195 [inline]
pc : __list_del_entry include/linux/list.h:218 [inline]
pc : list_move_tail include/linux/list.h:310 [inline]
pc : fq_tin_dequeue include/net/fq_impl.h:112 [inline]
pc : ieee80211_tx_dequeue+0x6b8/0x3b4c net/mac80211/tx.c:3854
lr : __list_del_entry include/linux/list.h:218 [inline]
lr : list_move_tail include/linux/list.h:310 [inline]
lr : fq_tin_dequeue include/net/fq_impl.h:112 [inline]
lr : ieee80211_tx_dequeue+0x67c/0x3b4c net/mac80211/tx.c:3854
sp : ffff800093d36700
x29: ffff800093d36a60 x28: ffff800093d36960 x27: dfff800000000000
x26: ffff0000d800ad50 x25: ffff0000d800abe0 x24: ffff0000d800abf0
x23: ffff0000e0032468 x22: ffff0000e00324d4 x21: ffff0000d800abf0
x20: ffff0000d800abf8 x19: ffff0000d800abf0 x18: ffff800093d363c0
x17: 000000000000d476 x16: ffff8000805519dc x15: ffff7000127a6cc8
x14: 1ffff000127a6cc8 x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff7000127a6cc8 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80009287aa08 x4 : 0000000000000008 x3 : ffff80008034c7fc
x2 : ffff0000e0032468 x1 : 00000000da0e46b8 x0 : ffff0000e0032470
Call trace:
__list_del include/linux/list.h:195 [inline]
__list_del_entry include/linux/list.h:218 [inline]
list_move_tail include/linux/list.h:310 [inline]
fq_tin_dequeue include/net/fq_impl.h:112 [inline]
ieee80211_tx_dequeue+0x6b8/0x3b4c net/mac80211/tx.c:3854
wake_tx_push_queue net/mac80211/util.c:294 [inline]
ieee80211_handle_wake_tx_queue+0x118/0x274 net/mac80211/util.c:315
drv_wake_tx_queue net/mac80211/driver-ops.h:1350 [inline]
schedule_and_wake_txq net/mac80211/driver-ops.h:1357 [inline]
ieee80211_queue_skb+0x18e8/0x2244 net/mac80211/tx.c:1664
ieee80211_tx+0x260/0x400 net/mac80211/tx.c:1966
ieee80211_xmit+0x278/0x354 net/mac80211/tx.c:2062
__ieee80211_subif_start_xmit+0xab8/0x122c net/mac80211/tx.c:4338
ieee80211_subif_start_xmit+0xe0/0x438 net/mac80211/tx.c:4532
__netdev_start_xmit include/linux/netdevice.h:4903 [inline]
netdev_start_xmit include/linux/netdevice.h:4917 [inline]
xmit_one net/core/dev.c:3531 [inline]
dev_hard_start_xmit+0x27c/0x938 net/core/dev.c:3547
__dev_queue_xmit+0x1678/0x33fc net/core/dev.c:4341
dev_queue_xmit include/linux/netdevice.h:3091 [inline]
neigh_resolve_output+0x558/0x658 net/core/neighbour.c:1563
neigh_output include/net/neighbour.h:542 [inline]
ip6_fini
---truncated---
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 52539ca89f365d3db530535fbffa88a3cca4d2ec Version: 52539ca89f365d3db530535fbffa88a3cca4d2ec Version: 52539ca89f365d3db530535fbffa88a3cca4d2ec Version: 52539ca89f365d3db530535fbffa88a3cca4d2ec Version: 52539ca89f365d3db530535fbffa88a3cca4d2ec Version: 52539ca89f365d3db530535fbffa88a3cca4d2ec |
||
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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-2024-46771 (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-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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware_loader: Block path traversal\n\nMost firmware names are hardcoded strings, or are constructed from fairly\nconstrained format strings where the dynamic parts are just some hex\nnumbers or such.\n\nHowever, there are a couple codepaths in the kernel where firmware file\nnames contain string components that are passed through from a device or\nsemi-privileged userspace; the ones I could find (not counting interfaces\nthat require root privileges) are:\n\n - lpfc_sli4_request_firmware_update() seems to construct the firmware\n filename from \"ModelName\", a string that was previously parsed out of\n some descriptor (\"Vital Product Data\") in lpfc_fill_vpd()\n - nfp_net_fw_find() seems to construct a firmware filename from a model\n name coming from nfp_hwinfo_lookup(pf-\u003ehwinfo, \"nffw.partno\"), which I\n think parses some descriptor that was read from the device.\n (But this case likely isn\u0027t exploitable because the format string looks\n like \"netronome/nic_%s\", and there shouldn\u0027t be any *folders* starting\n with \"netronome/nic_\". The previous case was different because there,\n the \"%s\" is *at the start* of the format string.)\n - module_flash_fw_schedule() is reachable from the\n ETHTOOL_MSG_MODULE_FW_FLASH_ACT netlink command, which is marked as\n GENL_UNS_ADMIN_PERM (meaning CAP_NET_ADMIN inside a user namespace is\n enough to pass the privilege check), and takes a userspace-provided\n firmware name.\n (But I think to reach this case, you need to have CAP_NET_ADMIN over a\n network namespace that a special kind of ethernet device is mapped into,\n so I think this is not a viable attack path in practice.)\n\nFix it by rejecting any firmware names containing \"..\" path components.\n\nFor what it\u0027s worth, I went looking and haven\u0027t found any USB device\ndrivers that use the firmware loader dangerously."
}
],
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{
"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"
},
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{
"lang": "en",
"value": "AV:L - The most viable attacker-triggerable path is the local ETHTOOL_MSG_MODULE_FW_FLASH_ACT generic-netlink command, which passes a fully attacker-controlled filename string into request_firmware_direct(); the device-side paths (lpfc VPD, nfp hwinfo) would only be Physical, so Local is the higher-severity reachable vector.\nAC:L - There is no race, no memory-layout dependency, and no probabilistic element \u2014 the attacker supplies the \"..\" path directly and traversal succeeds deterministically on the first attempt.\nPR:L - The ethtool op is marked GENL_UNS_ADMIN_PERM, meaning CAP_NET_ADMIN inside a user namespace satisfies the check, which per kernel scoring practice is an unprivileged local user; the alternative lpfc path needs no host credentials at all, only a device supplying a malicious VPD ModelName string.\nUI:N - The attacker sends the netlink request itself and the firmware load happens synchronously in that syscall; no victim action is required (and on the lpfc path the load fires automatically from the driver\u0027s probe/init routine).\nS:U - The vulnerable component and the impacted resources are both the host kernel and its filesystem \u2014 there is no VM, hypervisor, or IOMMU boundary crossed, so this is standard in-kernel impact.\nC:H - _request_firmware() reads the target with kernel credentials (override_creds(prepare_kernel_cred(\u0026init_task))) resolved against init\u0027s mount namespace, so traversal yields an arbitrary root-privileged read of any file on the host (/etc/shadow, TLS/SSH private keys), and the contents are then shipped into device flash where an attacker controlling the HBA or transceiver can retrieve them.\nI:H - The traversal breaks the firmware loader\u0027s guarantee that images come only from root-owned /lib/firmware, letting the attacker redirect the load to a file they wrote themselves and have that unvalidated content flashed into device firmware (lpfc_wr_object / CMIS module update) as well as parsed by driver firmware-parsing code that trusts its input.\nA:H - Writing non-firmware or attacker-authored content into an HBA\u0027s or optical module\u0027s flash can permanently brick the adapter, driver firmware parsers readily oops on arbitrary non-firmware data, and kernel_read_file() vmalloc()s the entire target file (up to INT_MAX) so pointing at a multi-gigabyte file drives the machine into memory exhaustion."
}
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}
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"shortName": "Linux"
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"datePublished": "2024-10-21T12:14:10.499Z",
"dateReserved": "2024-09-30T16:00:12.959Z",
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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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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: fix null-ptr-deref while probe() failed\n\nI got a null-ptr-deref report as following when doing fault injection test:\n\nBUG: kernel NULL pointer dereference, address: 0000000000000058\nOops: 0000 [#1] PREEMPT SMP KASAN PTI\nCPU: 1 PID: 253 Comm: 507-spi-dm9051 Tainted: G B N 6.1.0-rc3+\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nRIP: 0010:klist_put+0x2d/0xd0\nCall Trace:\n \u003cTASK\u003e\n klist_remove+0xf1/0x1c0\n device_release_driver_internal+0x23e/0x2d0\n bus_remove_device+0x1bd/0x240\n device_del+0x357/0x770\n phy_device_remove+0x11/0x30\n mdiobus_unregister+0xa5/0x140\n release_nodes+0x6a/0xa0\n devres_release_all+0xf8/0x150\n device_unbind_cleanup+0x19/0xd0\n\n//probe path:\nphy_device_register()\n device_add()\n\nphy_connect\n phy_attach_direct() //set device driver\n probe() //it\u0027s failed, driver is not bound\n device_bind_driver() // probe failed, it\u0027s not called\n\n//remove path:\nphy_device_remove()\n device_del()\n device_release_driver_internal()\n __device_release_driver() //dev-\u003edrv is not NULL\n klist_remove() \u003c- knode_driver is not added yet, cause null-ptr-deref\n\nIn phy_attach_direct(), after setting the \u0027dev-\u003edriver\u0027, probe() fails,\ndevice_bind_driver() is not called, so the knode_driver-\u003en_klist is not\nset, then it causes null-ptr-deref in __device_release_driver() while\ndeleting device. Fix this by setting dev-\u003edriver to NULL in the error\npath in phy_attach_direct()."
}
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"datePublished": "2024-10-21T20:06:28.608Z",
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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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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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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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: pca953x: fix pca953x_irq_bus_sync_unlock race\n\nEnsure that `i2c_lock\u0027 is held when setting interrupt latch and mask in\npca953x_irq_bus_sync_unlock() in order to avoid races.\n\nThe other (non-probe) call site pca953x_gpio_set_multiple() ensures the\nlock is held before calling pca953x_write_regs().\n\nThe problem occurred when a request raced against irq_bus_sync_unlock()\napproximately once per thousand reboots on an i.MX8MP based system.\n\n * Normal case\n\n 0-0022: write register AI|3a {03,02,00,00,01} Input latch P0\n 0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0\n 0-0022: write register AI|08 {ff,00,00,00,00} Output P3\n 0-0022: write register AI|12 {fc,00,00,00,00} Config P3\n\n * Race case\n\n 0-0022: write register AI|08 {ff,00,00,00,00} Output P3\n 0-0022: write register AI|08 {03,02,00,00,01} *** Wrong register ***\n 0-0022: write register AI|12 {fc,00,00,00,00} Config P3\n 0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0"
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"value": "AV:L - The vulnerable paths are reached only through local kernel interfaces \u2014 `/dev/gpiochipN` ioctls (`GPIO_V2_GET_LINE_IOCTL`, `GPIO_V2_LINE_SET_CONFIG_IOCTL`, `GPIO_V2_LINE_SET_VALUES_IOCTL`) or the legacy `/sys/class/gpio` attributes. No network or physical access is involved.\nAC:L - The attacker drives both sides of the race directly and without bound: one thread loops edge-detection setup/teardown to hit the unlocked `pca953x_irq_bus_sync_unlock()` writes while another loops value/bias writes that enter regmap under `i2c_lock`. The race occurred spontaneously ~1 in 1000 boots, so deliberate hammering wins it readily.\nPR:L - An open file descriptor on the GPIO chardev (or legacy sysfs GPIO attributes) is required; embedded, industrial and automotive distributions routinely grant these to a non-root `gpio` group via udev, so an ordinary unprivileged local user in the normal deployment for this driver qualifies.\nUI:N - The attacker performs every step itself via ioctls on its own file descriptors; no victim action, mount, or file open by another user is needed.\nS:U - The corruption is confined to kernel heap state and the I2C GPIO expander owned by the same kernel; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - With `.disable_locking = true`, the missing `i2c_lock` leaves the regmap register cache completely unserialized; `regcache_maple_write()`/`regcache_rbtree_write()` `kfree()`/`krealloc()` cache entries with no grace period while a concurrent walker still dereferences them, yielding a use-after-free read of kernel heap, and register reads return data from the wrong register.\nI:H - The commit documents interrupt-latch data being written into the expander\u0027s Output register, arbitrarily driving GPIO lines that gate power rails, resets and interlocks; additionally the unlocked cache path gives a use-after-free/double-free write primitive on the kernel heap.\nA:H - Concurrent unlocked mutation of the shared maple-tree/rbtree register cache with unsynchronized `kfree()` leads to double free and tree corruption \u2014 kernel oops or panic \u2014 and the expander can be left with interrupts wrongly latched or masked, wedging every GPIO consumer on the bus."
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CVE-2024-46755 (GCVE-0-2024-46755)
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:
wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id()
mwifiex_get_priv_by_id() returns the priv pointer corresponding to
the bss_num and bss_type, but without checking if the priv is actually
currently in use.
Unused priv pointers do not have a wiphy attached to them which can
lead to NULL pointer dereferences further down the callstack. Fix
this by returning only used priv pointers which have priv->bss_mode
set to something else than NL80211_IFTYPE_UNSPECIFIED.
Said NULL pointer dereference happened when an Accesspoint was started
with wpa_supplicant -i mlan0 with this config:
network={
ssid="somessid"
mode=2
frequency=2412
key_mgmt=WPA-PSK WPA-PSK-SHA256
proto=RSN
group=CCMP
pairwise=CCMP
psk="12345678"
}
When waiting for the AP to be established, interrupting wpa_supplicant
with <ctrl-c> and starting it again this happens:
| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000140
| 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, ISS2 = 0x00000000
| CM = 0, WnR = 0, TnD = 0, TagAccess = 0
| GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
| user pgtable: 4k pages, 48-bit VAs, pgdp=0000000046d96000
| [0000000000000140] pgd=0000000000000000, p4d=0000000000000000
| Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
| Modules linked in: caam_jr caamhash_desc spidev caamalg_desc crypto_engine authenc libdes mwifiex_sdio
+mwifiex crct10dif_ce cdc_acm onboard_usb_hub fsl_imx8_ddr_perf imx8m_ddrc rtc_ds1307 lm75 rtc_snvs
+imx_sdma caam imx8mm_thermal spi_imx error imx_cpufreq_dt fuse ip_tables x_tables ipv6
| CPU: 0 PID: 8 Comm: kworker/0:1 Not tainted 6.9.0-00007-g937242013fce-dirty #18
| Hardware name: somemachine (DT)
| Workqueue: events sdio_irq_work
| pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
| pc : mwifiex_get_cfp+0xd8/0x15c [mwifiex]
| lr : mwifiex_get_cfp+0x34/0x15c [mwifiex]
| sp : ffff8000818b3a70
| x29: ffff8000818b3a70 x28: ffff000006bfd8a5 x27: 0000000000000004
| x26: 000000000000002c x25: 0000000000001511 x24: 0000000002e86bc9
| x23: ffff000006bfd996 x22: 0000000000000004 x21: ffff000007bec000
| x20: 000000000000002c x19: 0000000000000000 x18: 0000000000000000
| x17: 000000040044ffff x16: 00500072b5503510 x15: ccc283740681e517
| x14: 0201000101006d15 x13: 0000000002e8ff43 x12: 002c01000000ffb1
| x11: 0100000000000000 x10: 02e8ff43002c0100 x9 : 0000ffb100100157
| x8 : ffff000003d20000 x7 : 00000000000002f1 x6 : 00000000ffffe124
| x5 : 0000000000000001 x4 : 0000000000000003 x3 : 0000000000000000
| x2 : 0000000000000000 x1 : 0001000000011001 x0 : 0000000000000000
| Call trace:
| mwifiex_get_cfp+0xd8/0x15c [mwifiex]
| mwifiex_parse_single_response_buf+0x1d0/0x504 [mwifiex]
| mwifiex_handle_event_ext_scan_report+0x19c/0x2f8 [mwifiex]
| mwifiex_process_sta_event+0x298/0xf0c [mwifiex]
| mwifiex_process_event+0x110/0x238 [mwifiex]
| mwifiex_main_process+0x428/0xa44 [mwifiex]
| mwifiex_sdio_interrupt+0x64/0x12c [mwifiex_sdio]
| process_sdio_pending_irqs+0x64/0x1b8
| sdio_irq_work+0x4c/0x7c
| process_one_work+0x148/0x2a0
| worker_thread+0x2fc/0x40c
| kthread+0x110/0x114
| ret_from_fork+0x10/0x20
| Code: a94153f3 a8c37bfd d50323bf d65f03c0 (f940a000)
| ---[ end trace 0000000000000000 ]---
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 93a1df48d224296fb527d32fbec4d5162828feb4 Version: 93a1df48d224296fb527d32fbec4d5162828feb4 Version: 93a1df48d224296fb527d32fbec4d5162828feb4 Version: 93a1df48d224296fb527d32fbec4d5162828feb4 Version: 93a1df48d224296fb527d32fbec4d5162828feb4 Version: 93a1df48d224296fb527d32fbec4d5162828feb4 Version: 93a1df48d224296fb527d32fbec4d5162828feb4 Version: 93a1df48d224296fb527d32fbec4d5162828feb4 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id()\n\nmwifiex_get_priv_by_id() returns the priv pointer corresponding to\nthe bss_num and bss_type, but without checking if the priv is actually\ncurrently in use.\nUnused priv pointers do not have a wiphy attached to them which can\nlead to NULL pointer dereferences further down the callstack. Fix\nthis by returning only used priv pointers which have priv-\u003ebss_mode\nset to something else than NL80211_IFTYPE_UNSPECIFIED.\n\nSaid NULL pointer dereference happened when an Accesspoint was started\nwith wpa_supplicant -i mlan0 with this config:\n\nnetwork={\n ssid=\"somessid\"\n mode=2\n frequency=2412\n key_mgmt=WPA-PSK WPA-PSK-SHA256\n proto=RSN\n group=CCMP\n pairwise=CCMP\n psk=\"12345678\"\n}\n\nWhen waiting for the AP to be established, interrupting wpa_supplicant\nwith \u003cctrl-c\u003e and starting it again this happens:\n\n| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000140\n| Mem abort info:\n| ESR = 0x0000000096000004\n| EC = 0x25: DABT (current EL), IL = 32 bits\n| SET = 0, FnV = 0\n| EA = 0, S1PTW = 0\n| FSC = 0x04: level 0 translation fault\n| Data abort info:\n| ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n| CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n| GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n| user pgtable: 4k pages, 48-bit VAs, pgdp=0000000046d96000\n| [0000000000000140] pgd=0000000000000000, p4d=0000000000000000\n| Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n| Modules linked in: caam_jr caamhash_desc spidev caamalg_desc crypto_engine authenc libdes mwifiex_sdio\n+mwifiex crct10dif_ce cdc_acm onboard_usb_hub fsl_imx8_ddr_perf imx8m_ddrc rtc_ds1307 lm75 rtc_snvs\n+imx_sdma caam imx8mm_thermal spi_imx error imx_cpufreq_dt fuse ip_tables x_tables ipv6\n| CPU: 0 PID: 8 Comm: kworker/0:1 Not tainted 6.9.0-00007-g937242013fce-dirty #18\n| Hardware name: somemachine (DT)\n| Workqueue: events sdio_irq_work\n| pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n| pc : mwifiex_get_cfp+0xd8/0x15c [mwifiex]\n| lr : mwifiex_get_cfp+0x34/0x15c [mwifiex]\n| sp : ffff8000818b3a70\n| x29: ffff8000818b3a70 x28: ffff000006bfd8a5 x27: 0000000000000004\n| x26: 000000000000002c x25: 0000000000001511 x24: 0000000002e86bc9\n| x23: ffff000006bfd996 x22: 0000000000000004 x21: ffff000007bec000\n| x20: 000000000000002c x19: 0000000000000000 x18: 0000000000000000\n| x17: 000000040044ffff x16: 00500072b5503510 x15: ccc283740681e517\n| x14: 0201000101006d15 x13: 0000000002e8ff43 x12: 002c01000000ffb1\n| x11: 0100000000000000 x10: 02e8ff43002c0100 x9 : 0000ffb100100157\n| x8 : ffff000003d20000 x7 : 00000000000002f1 x6 : 00000000ffffe124\n| x5 : 0000000000000001 x4 : 0000000000000003 x3 : 0000000000000000\n| x2 : 0000000000000000 x1 : 0001000000011001 x0 : 0000000000000000\n| Call trace:\n| mwifiex_get_cfp+0xd8/0x15c [mwifiex]\n| mwifiex_parse_single_response_buf+0x1d0/0x504 [mwifiex]\n| mwifiex_handle_event_ext_scan_report+0x19c/0x2f8 [mwifiex]\n| mwifiex_process_sta_event+0x298/0xf0c [mwifiex]\n| mwifiex_process_event+0x110/0x238 [mwifiex]\n| mwifiex_main_process+0x428/0xa44 [mwifiex]\n| mwifiex_sdio_interrupt+0x64/0x12c [mwifiex_sdio]\n| process_sdio_pending_irqs+0x64/0x1b8\n| sdio_irq_work+0x4c/0x7c\n| process_one_work+0x148/0x2a0\n| worker_thread+0x2fc/0x40c\n| kthread+0x110/0x114\n| ret_from_fork+0x10/0x20\n| Code: a94153f3 a8c37bfd d50323bf d65f03c0 (f940a000)\n| ---[ end trace 0000000000000000 ]---"
}
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"value": "AV:A - The vulnerable dispatch is driven by data arriving from the wireless medium \u2014 ext-scan-report events generated from nearby beacons/probe responses and RX data frames whose RXPD `bss_num`/`bss_type` select the priv \u2014 so an attacker within 802.11 range of the mwifiex device supplies the triggering input. This matches the adjacent-network treatment used for other frame-driven mwifiex/mac80211 defects.\nAC:L - No race must be won: the zero-initialized decoy privs permanently shadow `(bss_num 0, bss_type STA)` on any device operating in AP/hotspot mode, and privs left behind by `mwifiex_del_virtual_intf()` keep matching their old BSS id indefinitely, so a steady stream of frames/events reliably lands on an unused priv.\nPR:N - The attacker needs no credentials or association on the target \u2014 unassociated beacons/probe responses feed the scan-result event path and received frames feed the RX data path, both of which are processed before any authentication state matters.\nUI:N - No victim action is required; the stale-priv condition is the device\u0027s steady-state configuration in AP/hotspot deployments and after any routine interface teardown, and the driver processes the offending events and frames autonomously in a workqueue/IRQ context.\nS:U - Both the flawed lookup and its consequences are confined to the kernel\u0027s own security authority within the mwifiex driver; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - A stale priv causes reads through dangling and never-initialized pointers, and on a deleted interface the freed `priv-\u003ehist_data` object continues to be accessed (including read back via the debugfs histogram after reallocation), giving disclosure of reused heap contents; per use-after-free treatment this is High.\nI:H - `mwifiex_hist_data_add()`/`mwifiex_hist_data_set()` perform `atomic_inc()` into the freed `hist_data` buffer at offsets derived from the received frame\u0027s `rx_rate`/`snr`/`nf` fields (with `rssi = snr - nflr` able to index past the arrays), yielding an out-of-bounds write primitive on freed heap memory that is exploitable for control-flow influence.\nA:H - The commit documents a reproducible kernel oops \u2014 NULL dereference of `priv-\u003ewdev.wiphy-\u003ebands[]` in `mwifiex_get_cfp()` \u2014 and the same stale priv also NULL-derefs `priv-\u003enetdev` in `eth_type_trans()`, producing a kernel panic."
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"datePublished": "2024-09-18T07:12:14.820Z",
"dateReserved": "2024-09-11T15:12:18.270Z",
"dateUpdated": "2026-08-05T11:38:23.495Z",
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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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"defaultStatus": "unknown",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nposix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime()\n\nIf get_clock_desc() succeeds, it calls fget() for the clockid\u0027s fd,\nand get the clk-\u003erwsem read lock, so the error path should release\nthe lock to make the lock balance and fput the clockid\u0027s fd to make\nthe refcount balance and release the fd related resource.\n\nHowever the below commit left the error path locked behind resulting in\nunbalanced locking. Check timespec64_valid_strict() before\nget_clock_desc() to fix it, because the \"ts\" is not changed\nafter that.\n\n[pabeni@redhat.com: fixed commit message typo]"
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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 |
Version: f3d55bd5b7b928ad82f8075d89c908702f3593ab Version: 1c00bb624cd084e2006520ad0edacaff0fb941c4 Version: 782b3e71c957991ac8ae53318bc369049d49bb53 Version: 9e86dffd0b02594d2e7c60c6db9e889c0395414b Version: 5e2cf333b7bd5d3e62595a44d598a254c697cd74 Version: 5e2cf333b7bd5d3e62595a44d598a254c697cd74 Version: 5e2cf333b7bd5d3e62595a44d598a254c697cd74 Version: 5e2cf333b7bd5d3e62595a44d598a254c697cd74 Version: 7d808fe6af8409cf9f46ed2b10840e5788985e9b Version: 2cab058f2b147e0b7c01546ba00445e5701861f5 Version: 91962e40ec3d26e291db230cd45b302da2aff200 Version: 4.19.262 ≤ Version: 5.4.220 ≤ Version: 5.10.150 ≤ Version: 5.15.75 ≤ Version: 4.14.296 ≤ Version: 5.19.17 ≤ Version: 6.0.3 ≤ |
||
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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 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets\n\nTCP_SYN_RECV state is really special, it is only used by\ncross-syn connections, mostly used by fuzzers.\n\nIn the following crash [1], syzbot managed to trigger a divide\nby zero in tcp_rcv_space_adjust()\n\nA socket makes the following state transitions,\nwithout ever calling tcp_init_transfer(),\nmeaning tcp_init_buffer_space() is also not called.\n\n TCP_CLOSE\nconnect()\n TCP_SYN_SENT\n TCP_SYN_RECV\nshutdown() -\u003e tcp_shutdown(sk, SEND_SHUTDOWN)\n TCP_FIN_WAIT1\n\nTo fix this issue, change tcp_shutdown() to not\nperform a TCP_SYN_RECV -\u003e TCP_FIN_WAIT1 transition,\nwhich makes no sense anyway.\n\nWhen tcp_rcv_state_process() later changes socket state\nfrom TCP_SYN_RECV to TCP_ESTABLISH, then look at\nsk-\u003esk_shutdown to finally enter TCP_FIN_WAIT1 state,\nand send a FIN packet from a sane socket state.\n\nThis means tcp_send_fin() can now be called from BH\ncontext, and must use GFP_ATOMIC allocations.\n\n[1]\ndivide error: 0000 [#1] PREEMPT SMP KASAN NOPTI\nCPU: 1 PID: 5084 Comm: syz-executor358 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\n RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767\nCode: 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 \u003c48\u003e f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48\nRSP: 0018:ffffc900031ef3f0 EFLAGS: 00010246\nRAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7\nR10: dffffc0000000000 R11: ffffffff8135e920 R12: ffff88802a9f8d30\nR13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da\nFS: 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f1155bf2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0\nCall Trace:\n \u003cTASK\u003e\n tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/tcp.c:2513\n tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578\n inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680\n sock_recvmsg_nosec net/socket.c:1046 [inline]\n sock_recvmsg+0x109/0x280 net/socket.c:1068\n ____sys_recvmsg+0x1db/0x470 net/socket.c:2803\n ___sys_recvmsg net/socket.c:2845 [inline]\n do_recvmmsg+0x474/0xae0 net/socket.c:2939\n __sys_recvmmsg net/socket.c:3018 [inline]\n __do_sys_recvmmsg net/socket.c:3041 [inline]\n __se_sys_recvmmsg net/socket.c:3034 [inline]\n __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034\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\nRIP: 0033:0x7faeb6363db9\nCode: 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 \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:00007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9\nRDX: 0000000000000001 RSI: 0000000020000bc0 RDI: 0000000000000005\nRBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c\nR10: 0000000000000122 R11: 0000000000000246 R12: 0000000000000000\nR13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001"
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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-2024-50273 (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-2022-48997 (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 | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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||
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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-2021-47612 (GCVE-0-2021-47612)
Vulnerability from cvelistv5
Published
2024-06-19 14:58
Modified
2026-05-11 13:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfc: fix segfault in nfc_genl_dump_devices_done
When kmalloc in nfc_genl_dump_devices() fails then
nfc_genl_dump_devices_done() segfaults as below
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 5.16.0-rc4-01180-g2a987e65025e-dirty #5
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-6.fc35 04/01/2014
Workqueue: events netlink_sock_destruct_work
RIP: 0010:klist_iter_exit+0x26/0x80
Call Trace:
<TASK>
class_dev_iter_exit+0x15/0x20
nfc_genl_dump_devices_done+0x3b/0x50
genl_lock_done+0x84/0xd0
netlink_sock_destruct+0x8f/0x270
__sk_destruct+0x64/0x3b0
sk_destruct+0xa8/0xd0
__sk_free+0x2e8/0x3d0
sk_free+0x51/0x90
netlink_sock_destruct_work+0x1c/0x20
process_one_work+0x411/0x710
worker_thread+0x6fd/0xa80
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 Version: 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 Version: 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 Version: 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 Version: 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 Version: 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 Version: 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 Version: 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 |
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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 |
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||
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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 |
Version: 3241ad820dbb172021e0268b5611031991431626 Version: 3241ad820dbb172021e0268b5611031991431626 Version: 3241ad820dbb172021e0268b5611031991431626 Version: 3241ad820dbb172021e0268b5611031991431626 Version: 3241ad820dbb172021e0268b5611031991431626 Version: 3241ad820dbb172021e0268b5611031991431626 Version: 3241ad820dbb172021e0268b5611031991431626 Version: 3241ad820dbb172021e0268b5611031991431626 |
||
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"descriptions": [
{
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change\n\nrfcomm_sk_state_change attempts to use sock_lock so it must never be\ncalled with it locked but rfcomm_sock_ioctl always attempt to lock it\ncausing the following trace:\n\n======================================================\nWARNING: possible circular locking dependency detected\n6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted\n------------------------------------------------------\nsyz-executor386/5093 is trying to acquire lock:\nffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]\nffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73\n\nbut task is already holding lock:\nffff88807badfd28 (\u0026d-\u003elock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491"
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"datePublished": "2024-10-21T19:39:42.430Z",
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"dateUpdated": "2026-05-12T12:00:00.581Z",
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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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"value": "AV:N - The crash is driven entirely by an inbound/forwarded packet processed by the bridge netfilter data path on a VXLAN VTEP; the upstream regression test triggers the panic with a single ping originated on a different machine, and in an EVPN gateway any routed full-MTU packet destined to an overlay MAC reachable via the VXLAN port takes the same fragmentation path from an arbitrary L3 source.\nAC:L - No race, no memory-layout dependency and no timing window \u2014 the attacker only has to send one IP packet larger than the VXLAN port\u0027s MTU, which is the normal case since the VXLAN device MTU is ~50 bytes below the bridge\u0027s, and `bridge-nf-call-iptables` defaults to 1 whenever br_netfilter is loaded.\nPR:N - The packet is handled in `br_handle_frame`/`br_flood`/`br_nf_post_routing` before any authentication or authorization; the attacker needs no account, capability or credential on the VTEP, only the ability to emit a packet that the bridge forwards to the VXLAN port.\nUI:N - Processing happens automatically in NAPI/softirq context as soon as the frame is forwarded; no administrator or local user has to do anything beyond the VXLAN bridge already being configured.\nS:U - The NULL dereference faults inside the host kernel\u0027s bridge/netfilter forwarding path, and the damage is confined to that same kernel \u2014 no VM, IOMMU or sandbox boundary is crossed.\nC:N - `dev_net(dst-\u003edev)` dereferences a NULL `dst-\u003edev` at the fixed offset 0x110 and faults immediately; no attacker-influenced or out-of-bounds memory is read back or disclosed.\nI:N - Execution aborts at the faulting read before any store \u2014 there is no out-of-bounds or use-after-free write, and `mmap_min_addr` prevents mapping the NULL page to convert the dereference into a write primitive.\nA:H - The oops occurs in softirq/NAPI context, which is a fatal exception in interrupt and takes the whole machine down with \"Kernel panic - not syncing\"; an unauthenticated attacker can repeat it with a single oversized packet to permanently deny service on the VTEP."
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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 |
Version: 542ae60af24f02e130e62cb3b7c23163a2350056 Version: 542ae60af24f02e130e62cb3b7c23163a2350056 Version: 542ae60af24f02e130e62cb3b7c23163a2350056 Version: 542ae60af24f02e130e62cb3b7c23163a2350056 Version: 542ae60af24f02e130e62cb3b7c23163a2350056 Version: 542ae60af24f02e130e62cb3b7c23163a2350056 Version: 542ae60af24f02e130e62cb3b7c23163a2350056 Version: 542ae60af24f02e130e62cb3b7c23163a2350056 |
||
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CVE-2022-48788 (GCVE-0-2022-48788)
Vulnerability from cvelistv5
Published
2024-07-16 11:43
Modified
2026-08-05 08:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme-rdma: fix possible use-after-free in transport error_recovery work
While nvme_rdma_submit_async_event_work is checking the ctrl and queue
state before preparing the AER command and scheduling io_work, in order
to fully prevent a race where this check is not reliable the error
recovery work must flush async_event_work before continuing to destroy
the admin queue after setting the ctrl state to RESETTING such that
there is no race .submit_async_event and the error recovery handler
itself changing the ctrl state.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7110230719602852481c2793d054f866b2bf4a2b Version: 7110230719602852481c2793d054f866b2bf4a2b Version: 7110230719602852481c2793d054f866b2bf4a2b Version: 7110230719602852481c2793d054f866b2bf4a2b Version: 7110230719602852481c2793d054f866b2bf4a2b Version: 7110230719602852481c2793d054f866b2bf4a2b |
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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-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-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-2022-48789 (GCVE-0-2022-48789)
Vulnerability from cvelistv5
Published
2024-07-16 11:43
Modified
2026-08-05 08:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme-tcp: fix possible use-after-free in transport error_recovery work
While nvme_tcp_submit_async_event_work is checking the ctrl and queue
state before preparing the AER command and scheduling io_work, in order
to fully prevent a race where this check is not reliable the error
recovery work must flush async_event_work before continuing to destroy
the admin queue after setting the ctrl state to RESETTING such that
there is no race .submit_async_event and the error recovery handler
itself changing the ctrl state.
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
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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-2024-46848 (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 | |
|---|---|---|
Impacted products
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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-2024-50099 (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-2024-50135 (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-2024-49958 (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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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 | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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-2024-50073 (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 ≤ |
||
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}
],
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"value": "AV:L - The vulnerability is triggered entirely through local syscalls on a tty file descriptor \u2014 `ioctl(TIOCSETD, N_GSM0710)` followed by concurrent `ioctl(GSMIOC_SETCONF)` on a pty the attacker owns. No network or physical access is involved.\nAC:L - The attacker controls both sides of the race \u2014 two threads issuing `GSMIOC_SETCONF` on the same fd, which `tty_ldisc_ref_wait()`\u0027s read semaphore explicitly permits to run concurrently \u2014 and additionally controls list population by writing to the pty peer to queue `gsm_msg` nodes on demand. No condition depends on attacker-uninfluenceable state.\nPR:L - For mainline v6.0\u2013v6.5 and the never-fixed 5.18.18/5.19.2 stable branches covered by this CVE, `gsmld_open()` has no capability check at all, so any unprivileged local user with a pty reaches the bug; even on kernels carrying the later `capable(CAP_NET_ADMIN)` gate, that is a scoped, non-root-equivalent capability routinely granted to network daemons and containers (`--cap-add=NET_ADMIN`).\nUI:N - The attacker performs every step itself \u2014 allocating the pty, attaching the line discipline, feeding data, and racing the two ioctls. No victim action or cooperating process is required.\nS:U - The corruption and its consequences are confined to the kernel of the running system, a standard local privilege-escalation boundary. No hypervisor, IOMMU, or other security-authority boundary is crossed.\nC:H - The unlocked traversal reads `list.next` from a freed, attacker-reclaimable slab object, and the resulting arbitrary-free primitive converts into a use-after-free on a chosen kernel object, enabling arbitrary kernel memory disclosure.\nI:H - Concurrent `kfree()` of the same nodes double-frees them and corrupts the SLUB freelist, while a sprayed `next` pointer yields `kfree()` of an attacker-chosen address \u2014 an arbitrary-free primitive that is a well-established path to arbitrary write and control-flow hijack.\nA:H - The double-free and use-after-free reliably corrupt slab metadata, producing kernel oops or panic even in unweaponized form, as demonstrated by the KASAN slab-use-after-free report in the fix commit."
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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-2024-45016 (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 | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 5845f706388a4cde0f6b80f9e5d33527e942b7d9 Version: 5845f706388a4cde0f6b80f9e5d33527e942b7d9 Version: 5845f706388a4cde0f6b80f9e5d33527e942b7d9 Version: 5845f706388a4cde0f6b80f9e5d33527e942b7d9 Version: 5845f706388a4cde0f6b80f9e5d33527e942b7d9 Version: 5845f706388a4cde0f6b80f9e5d33527e942b7d9 Version: 5845f706388a4cde0f6b80f9e5d33527e942b7d9 Version: a550a01b8af856f2684b0f79d552f5119eb5006c Version: 009510a90e230bb495f3fe25c7db956679263b07 Version: 4de7d30668cb8b06330992e1cd336f91700a2ce7 Version: d1dd2e15c85e890a1cc9bde5ba07ae63331e5c73 Version: 0148fe458b5705e2fea7cb88294fed7e36066ca2 Version: 3.16.66 ≤ Version: 4.9.163 ≤ Version: 4.14.106 ≤ Version: 4.19.28 ≤ Version: 4.20.15 ≤ |
||
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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-2024-47698 (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-2024-49896 (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
| 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-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-2024-49901 (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-2023-46343 (GCVE-0-2023-46343)
Vulnerability from cvelistv5
Published
2024-01-23 00:00
Modified
2025-06-17 13:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel before 6.5.9, there is a NULL pointer dereference in send_acknowledge in net/nfc/nci/spi.c.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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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-2024-50237 (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-2024-47684 (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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{
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],
"descriptions": [
{
"lang": "en",
"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---"
}
],
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"references": [
{
"url": "https://git.kernel.org/stable/c/ad4f0a14d6856e68f023fc4e5017cfd881a3dfbc"
},
{
"url": "https://git.kernel.org/stable/c/16e0387d87fc858e34449fdf2b14ed5837f761db"
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{
"url": "https://git.kernel.org/stable/c/ec31cf42fc4e35bb1248ce6eb1de6de9f851ac86"
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{
"url": "https://git.kernel.org/stable/c/5c4c03288a4aea705e36aa44119c13d7ee4dce99"
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{
"url": "https://git.kernel.org/stable/c/96c4983eab2a5da235f7fff90beaf17b008ba029"
},
{
"url": "https://git.kernel.org/stable/c/570f7d8c9bf14f041152ba8353d4330ef7575915"
},
{
"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": {
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"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-2024-47679 (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-2024-53114 (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-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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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-2024-53104 (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-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
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 Version: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 Version: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 Version: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 Version: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 Version: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 Version: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 Version: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 |
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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
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| Linux | Linux |
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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
The existing behavior of ib_umad, which maintains received MAD
packets in an unbounded list, poses a risk of uncontrolled growth.
As user-space applications extract packets from this list, the rate
of extraction may not match the rate of incoming packets, leading
to potential list overflow.
To address this, we introduce a limit to the size of the list. After
considering typical scenarios, such as OpenSM processing, which can
handle approximately 100k packets per second, and the 1-second retry
timeout for most packets, we set the list size limit to 200k. Packets
received beyond this limit are dropped, assuming they are likely timed
out by the time they are handled by user-space.
Notably, packets queued on the receive list due to reasons like
timed-out sends are preserved even when the list is full.
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-2024-47696 (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 ]---
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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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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
is not reading from the device.
2) In sg_start_req() the invocation of blk_rq_map_user() effectively
bounces the user-space buffer. As if the device was to transfer into
it. Since commit a45b599ad808 ("scsi: sg: allocate with __GFP_ZERO in
sg_build_indirect()") we make sure this first bounce buffer is
allocated with GFP_ZERO.
3) For the rest of the story we keep ignoring that we have a TUR, so the
device won't touch the buffer we prepare as if the we had a
DMA_FROM_DEVICE type of situation. My setup uses a virtio-scsi device
and the buffer allocated by SG is mapped by the function
virtqueue_add_split() which uses DMA_FROM_DEVICE for the "in" sgs (here
scatter-gather and not scsi generics). This mapping involves bouncing
via the swiotlb (we need swiotlb to do virtio in protected guest like
s390 Secure Execution, or AMD SEV).
4) When the SCSI TUR is done, we first copy back the content of the second
(that is swiotlb) bounce buffer (which most likely contains some
previous IO data), to the first bounce buffer, which contains all
zeros. Then we copy back the content of the first bounce buffer to
the user-space buffer.
5) The test case detects that the buffer, which it zero-initialized,
ain't all zeros and fails.
One can argue that this is an swiotlb problem, because without swiotlb
we leak all zeros, and the swiotlb should be transparent in a sense that
it does not affect the outcome (if all other participants are well
behaved).
Copying the content of the original buffer into the swiotlb buffer is
the only way I can think of to make swiotlb transparent in such
scenarios. So let's do just that if in doubt, but allow the driver
to tell us that the whole mapped buffer is going to be overwritten,
in which case we can preserve the old behavior and avoid the performance
impact of the extra bounce.
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-2024-49860 (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 |
Version: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba Version: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba Version: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba Version: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba Version: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba Version: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba Version: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba Version: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba Version: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba |
||
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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-2024-50290 (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-2024-49962 (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-2024-50301 (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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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 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8c3f25d8950c3e9fe6c9849f88679b3f2a071550 Version: 8c3f25d8950c3e9fe6c9849f88679b3f2a071550 Version: 8c3f25d8950c3e9fe6c9849f88679b3f2a071550 Version: 8c3f25d8950c3e9fe6c9849f88679b3f2a071550 Version: 8c3f25d8950c3e9fe6c9849f88679b3f2a071550 Version: 8c3f25d8950c3e9fe6c9849f88679b3f2a071550 Version: 8c3f25d8950c3e9fe6c9849f88679b3f2a071550 Version: 8c3f25d8950c3e9fe6c9849f88679b3f2a071550 Version: 8c3f25d8950c3e9fe6c9849f88679b3f2a071550 |
||
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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-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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"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-2024-53063 (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 |
Version: 5dd3f3071070f5a306bdf8d474c80062f5691cba Version: 5dd3f3071070f5a306bdf8d474c80062f5691cba Version: 5dd3f3071070f5a306bdf8d474c80062f5691cba Version: 5dd3f3071070f5a306bdf8d474c80062f5691cba Version: 5dd3f3071070f5a306bdf8d474c80062f5691cba Version: 5dd3f3071070f5a306bdf8d474c80062f5691cba Version: 5dd3f3071070f5a306bdf8d474c80062f5691cba Version: 5dd3f3071070f5a306bdf8d474c80062f5691cba |
||
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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 |
Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 |
||
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"value": "AV:L - The vulnerable `amdgpu_atif_call()` path is reached only from the local host \u2014 `amdgpu_acpi_detect()` at amdgpu module init and `amdgpu_acpi_event()`/`amdgpu_atif_handler()` on ACPI video notifications \u2014 with no network-facing component involved. Supplying a malformed ATIF return object is done through local software interfaces (initrd ACPI table override, acpi_configfs SSDT load, driver rebind), not physical access, so Local rather than Physical.\nAC:L - Once the ATIF method yields a non-buffer object, the missing type check is bypassed unconditionally and `info-\u003ebuffer.pointer` is dereferenced deterministically on every probe \u2014 no race, no memory-layout luck, no timing window. This matches the sibling CVE-2024-53060 in the same function, also scored AC:L.\nPR:L - The oops occurs in the amdgpu probe/ACPI-notify path on an affected system with no capability check gating it, and the resulting kernel-memory disclosure surfaces to any unprivileged local user via `/sys/class/backlight/amdgpu_bl*/brightness`. Consistent with the CNA\u0027s scoring of the directly-related CVE-2024-53060 in this same function at PR:L.\nUI:N - The faulting ATIF calls fire autonomously during driver initialization and on firmware-generated ACPI video notify events; no victim must open a file, mount anything, or interact in any way.\nS:U - The type confusion, wild read, and crash all occur inside kernel memory within the kernel\u0027s own security authority, with no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - For an `ACPI_TYPE_INTEGER` return, `buffer.pointer` aliases `integer.value` exactly, so the driver reads `*(u16 *)` and then `memcpy()`s from a fully firmware-controlled arbitrary kernel address \u2014 an unbounded read primitive, not a read clamped to a few bytes. Part of that harvested memory (`ac_level`/`dc_level`) escapes the DM sanity clamp and is published to userspace as the initial backlight brightness.\nI:L - Bytes read out of bounds are written into persistent driver state (`atif-\u003ebacklight_caps`, `notification_cfg.command_code`) and drive device behavior through `backlight_device_set_brightness()`, so kernel state is modified in an attacker-influenced way. It is not High because every `memcpy()` is length-clamped by `min(sizeof(dst), size)` into a fixed-size object, giving no out-of-bounds write or control-flow hijack primitive.\nA:H - Dereferencing the aliased firmware value produces the page-fault oops shown in the commit\u0027s backtrace, and because it happens in `amdgpu_acpi_detect()` during module init the box fails to bring up graphics on every boot \u2014 a reliably repeatable kernel crash."
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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-2024-50148 (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-2024-46800 (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-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-2024-49868 (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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix a NULL pointer dereference when failed to start a new trasacntion\n\n[BUG]\nSyzbot reported a NULL pointer dereference with the following crash:\n\n FAULT_INJECTION: forcing a failure.\n start_transaction+0x830/0x1670 fs/btrfs/transaction.c:676\n prepare_to_relocate+0x31f/0x4c0 fs/btrfs/relocation.c:3642\n relocate_block_group+0x169/0xd20 fs/btrfs/relocation.c:3678\n ...\n BTRFS info (device loop0): balance: ended with status: -12\n Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cc: 0000 [#1] PREEMPT SMP KASAN NOPTI\n KASAN: null-ptr-deref in range [0x0000000000000660-0x0000000000000667]\n RIP: 0010:btrfs_update_reloc_root+0x362/0xa80 fs/btrfs/relocation.c:926\n Call Trace:\n \u003cTASK\u003e\n commit_fs_roots+0x2ee/0x720 fs/btrfs/transaction.c:1496\n btrfs_commit_transaction+0xfaf/0x3740 fs/btrfs/transaction.c:2430\n del_balance_item fs/btrfs/volumes.c:3678 [inline]\n reset_balance_state+0x25e/0x3c0 fs/btrfs/volumes.c:3742\n btrfs_balance+0xead/0x10c0 fs/btrfs/volumes.c:4574\n btrfs_ioctl_balance+0x493/0x7c0 fs/btrfs/ioctl.c:3673\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:907 [inline]\n __se_sys_ioctl+0xf9/0x170 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\n[CAUSE]\nThe allocation failure happens at the start_transaction() inside\nprepare_to_relocate(), and during the error handling we call\nunset_reloc_control(), which makes fs_info-\u003ebalance_ctl to be NULL.\n\nThen we continue the error path cleanup in btrfs_balance() by calling\nreset_balance_state() which will call del_balance_item() to fully delete\nthe balance item in the root tree.\n\nHowever during the small window between set_reloc_contrl() and\nunset_reloc_control(), we can have a subvolume tree update and created a\nreloc_root for that subvolume.\n\nThen we go into the final btrfs_commit_transaction() of\ndel_balance_item(), and into btrfs_update_reloc_root() inside\ncommit_fs_roots().\n\nThat function checks if fs_info-\u003ereloc_ctl is in the merge_reloc_tree\nstage, but since fs_info-\u003ereloc_ctl is NULL, it results a NULL pointer\ndereference.\n\n[FIX]\nJust add extra check on fs_info-\u003ereloc_ctl inside\nbtrfs_update_reloc_root(), before checking\nfs_info-\u003ereloc_ctl-\u003emerge_reloc_tree.\n\nThat DEAD_RELOC_TREE handling is to prevent further modification to the\nreloc tree during merge stage, but since there is no reloc_ctl at all,\nwe do not need to bother that."
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"datePublished": "2024-10-21T18:01:10.722Z",
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"dateUpdated": "2026-05-11T20:40:47.334Z",
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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 |
||
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"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---"
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"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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"cveId": "CVE-2024-36886",
"datePublished": "2024-05-30T15:28:55.059Z",
"dateReserved": "2024-05-30T15:25:07.065Z",
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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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"value": "AV:L - The command URBs whose completion handler contains the defect are generated by ordinary tty operations (open/close, tcsetattr, TIOCMSET/TIOCMBIS, TIOCSBRK) on /dev/ttyUSB*, so a local user on a machine with an Edgeport device attached drives the vulnerable path via syscalls. This matches the kernel.org CNA\u0027s consistent treatment of USB-serial host driver flaws as local.\nAC:L - No race has to be won and no memory layout has to be groomed \u2014 the attacker simply issues command-generating ioctls and the released urb is dereferenced whenever the transfer completes with a nonzero status (stall, protocol error, shutdown, unlink), which is repeatable at will.\nPR:L - Only access to the /dev/ttyUSB* node is required; there is no capability check anywhere between the tty entry points and write_cmd_usb(), and on embedded, automotive and Android-style deployments the serial node is routinely readable/writable by unprivileged service or app users.\nUI:N - The attacker performs all the steps itself by opening and configuring the serial port; no separate victim has to open a file, mount anything, or take any action.\nS:U - The released urb and any consequent corruption stay within the kernel\u0027s own security authority; there is no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - This is a use-after-free read: the stale urb\u0027s -\u003edev field is loaded and dereferenced, so if the slab object is reallocated with attacker-influenced content the pointer chase can be steered to read arbitrary kernel memory, which is then formatted into the kernel log.\nI:H - Per use-after-free scoring, control over the reallocated urb contents makes the dereferenced device pointer attacker-influenced, and the resulting struct device accesses can be leveraged toward corrupting kernel state and hijacking control flow.\nA:H - Dereferencing a released urb and the device pointer read out of it readily faults or trips KASAN/slab debugging, producing an oops or panic that takes down the kernel."
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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 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
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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-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-2024-42098 (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-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 |
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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
trust it blindly.
This patch adds a sanity check of the array index to fit in the array
size.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 719f82d3987aad4cc9f46d19c35f362672545cad Version: 719f82d3987aad4cc9f46d19c35f362672545cad Version: 719f82d3987aad4cc9f46d19c35f362672545cad Version: 719f82d3987aad4cc9f46d19c35f362672545cad Version: 719f82d3987aad4cc9f46d19c35f362672545cad Version: 719f82d3987aad4cc9f46d19c35f362672545cad Version: 719f82d3987aad4cc9f46d19c35f362672545cad Version: 719f82d3987aad4cc9f46d19c35f362672545cad Version: 719f82d3987aad4cc9f46d19c35f362672545cad |
||
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CVE-2021-47163 (GCVE-0-2021-47163)
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: wait and exit until all work queues are done
On some host, a crash could be triggered simply by repeating these
commands several times:
# modprobe tipc
# tipc bearer enable media udp name UDP1 localip 127.0.0.1
# rmmod tipc
[] BUG: unable to handle kernel paging request at ffffffffc096bb00
[] Workqueue: events 0xffffffffc096bb00
[] Call Trace:
[] ? process_one_work+0x1a7/0x360
[] ? worker_thread+0x30/0x390
[] ? create_worker+0x1a0/0x1a0
[] ? kthread+0x116/0x130
[] ? kthread_flush_work_fn+0x10/0x10
[] ? ret_from_fork+0x35/0x40
When removing the TIPC module, the UDP tunnel sock will be delayed to
release in a work queue as sock_release() can't be done in rtnl_lock().
If the work queue is schedule to run after the TIPC module is removed,
kernel will crash as the work queue function cleanup_beareri() code no
longer exists when trying to invoke it.
To fix it, this patch introduce a member wq_count in tipc_net to track
the numbers of work queues in schedule, and wait and exit until all
work queues are done in tipc_exit_net().
References
| URL | Tags | |
|---|---|---|
Impacted products
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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
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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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-2024-50278 (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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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
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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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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 | |
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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()
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cause that @priv are freed twice, fixed by setting @priv with NULL after
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References
Impacted products
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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-2024-47706 (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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"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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CVE-2024-46724 (GCVE-0-2024-46724)
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:
drm/amdgpu: Fix out-of-bounds read of df_v1_7_channel_number
Check the fb_channel_number range to avoid the array out-of-bounds
read error
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 |
||
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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-2024-26886 (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 |
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||
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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-2024-49945 (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-2024-50125 (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
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References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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"value": "AV:A - The vulnerable path lives in the Bluetooth SCO stack and only executes when `conn-\u003ehcon` is non-NULL, i.e. an actual SCO/eSCO link exists with an in-range Bluetooth peer; `sco_conn_del()` (the second patched call site) is driven directly by `sco_connect_cfm`/`sco_disconn_cfm` from the adjacent device. Bluetooth radio proximity is required, matching the Adjacent classification.\nAC:L - The attacker controls both sides of the race: `SO_SNDTIMEO` sets `sk-\u003esk_sndtimeo`, which `sco_connect()` passes verbatim to `sco_sock_set_timer()`, so the timeout work can be scheduled to fire at an arbitrarily chosen moment and raced against `close()`, and `sco_sock_clear_timer()` uses non-sync `cancel_delayed_work()` so an in-flight work item is never waited for. syzbot produced a reproducer and confirmed the fix.\nPR:L - There is no `capable()` or `CAP_NET_*` check anywhere in `sco_sock_create/bind/listen/connect`, so any unprivileged local user can create SCO sockets and drive the connect/close sequence that frees the socket. Only basic local account access is needed, not root.\nUI:N - The whole sequence \u2014 socket creation, `SO_SNDTIMEO`, connect, close \u2014 is performed by the attacker\u0027s own process against a system Bluetooth adapter. No victim action is required.\nS:U - The use-after-free corrupts kernel heap memory within the same kernel security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - A use-after-free on `struct sock` lets the attacker respray the freed slab object and read back its contents through subsequent socket operations, giving a path to arbitrary kernel memory disclosure.\nI:H - The stale pointer is written through \u2014 `sock_hold()` performs an atomic increment on freed memory and `sk-\u003esk_err = ETIMEDOUT` writes into it \u2014 and `sk-\u003esk_state_change(sk)` performs an indirect call through a function pointer read from the freed object, providing a control-flow hijack primitive.\nA:H - Even without successful exploitation the UAF produces a KASAN splat / kernel oops or panic in `sco_sock_timeout()`, and it can be triggered repeatedly by an unprivileged process."
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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-2024-46809 (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 |
Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c Version: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c |
||
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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-2024-50218 (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
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References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
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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-2024-49894 (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-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 |
cpe:/o:redhat:enterprise_linux:6 |
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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.
Function cifs_strndup_from_utf16() is currentlly accessing buf->DataBuffer
at position after the end of the buffer because it does not subtract
InodeType size from the length. Fix this problem and correctly subtract
variable len.
Member InodeType is present only when reparse buffer is large enough. Check
for ReparseDataLength before accessing InodeType to prevent another invalid
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 |
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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-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
prevent the resource leak.
Similar to the handling of u132_hcd_init in commit f276e002793c
("usb: u132-hcd: fix resource leak")
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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
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: af224ca2df297440448b9d407d21b50982c6d532 Version: af224ca2df297440448b9d407d21b50982c6d532 Version: af224ca2df297440448b9d407d21b50982c6d532 Version: af224ca2df297440448b9d407d21b50982c6d532 Version: af224ca2df297440448b9d407d21b50982c6d532 Version: af224ca2df297440448b9d407d21b50982c6d532 |
||
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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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"value": "AV:N - The timed-out work requests are IB CM MADs whose timeout and retry counts come directly from a remote peer\u0027s REQ message (`cm_req_handler`, cm.c:2099-2101), and the CM/MAD stack is enabled over RoCEv2, which is UDP/IP-encapsulated and routable across L3 networks. A remote peer flooding CM REQs at a listening RDMA target reaches the vulnerable handler with no local access.\nAC:L - The attacker controls both the volume of pending MADs (number of REQs sent) and their expiry time (`CM_REQ_LOCAL_CM_RESPONSE_TIMEOUT` floors at 1 ms, `CM_REQ_MAX_CM_RETRIES` can be 0), so making thousands of WRs expire in the same jiffy on the single shared per-port agent is fully deterministic. No race or memory layout beyond the attacker\u0027s control is involved.\nPR:N - The InfiniBand CM protocol performs no authentication \u2014 `cm_req_handler()` parses and acts on REQ fields before any ULP credential check, and the REP that later times out is emitted during connection establishment. Locally the same code is reachable through `/dev/infiniband/rdma_cm`, which has no capability checks in `ucma.c`.\nUI:N - The flood of CM REQs is processed automatically by the kernel\u0027s CM and MAD workqueues with no action by any local user or administrator.\nS:U - The soft lockup stalls a kernel workqueue and CPU within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:N - The defect is lock contention in the timeout handler \u2014 no out-of-bounds read, uninitialized data, or freed memory is exposed, so no information is disclosed.\nI:N - No memory corruption or unauthorized data modification occurs; the handler processes the same WRs, only with excessive lock churn.\nA:H - The result is a soft lockup with a CPU stuck for tens of seconds, stalling the `ib_mad` workqueue and all RDMA connection management, and triggering a kernel panic on systems with `softlockup_panic` enabled. The condition is repeatable on demand by continuing the REQ flood."
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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-2024-38538 (GCVE-0-2024-38538)
Vulnerability from cvelistv5
Published
2024-06-19 13:35
Modified
2026-08-05 11:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: bridge: xmit: make sure we have at least eth header len bytes
syzbot triggered an uninit value[1] error in bridge device's xmit path
by sending a short (less than ETH_HLEN bytes) skb. To fix it check if
we can actually pull that amount instead of assuming.
Tested with dropwatch:
drop at: br_dev_xmit+0xb93/0x12d0 [bridge] (0xffffffffc06739b3)
origin: software
timestamp: Mon May 13 11:31:53 2024 778214037 nsec
protocol: 0x88a8
length: 2
original length: 2
drop reason: PKT_TOO_SMALL
[1]
BUG: KMSAN: uninit-value in br_dev_xmit+0x61d/0x1cb0 net/bridge/br_device.c:65
br_dev_xmit+0x61d/0x1cb0 net/bridge/br_device.c:65
__netdev_start_xmit include/linux/netdevice.h:4903 [inline]
netdev_start_xmit include/linux/netdevice.h:4917 [inline]
xmit_one net/core/dev.c:3531 [inline]
dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3547
__dev_queue_xmit+0x34db/0x5350 net/core/dev.c:4341
dev_queue_xmit include/linux/netdevice.h:3091 [inline]
__bpf_tx_skb net/core/filter.c:2136 [inline]
__bpf_redirect_common net/core/filter.c:2180 [inline]
__bpf_redirect+0x14a6/0x1620 net/core/filter.c:2187
____bpf_clone_redirect net/core/filter.c:2460 [inline]
bpf_clone_redirect+0x328/0x470 net/core/filter.c:2432
___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997
__bpf_prog_run512+0xb5/0xe0 kernel/bpf/core.c:2238
bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
__bpf_prog_run include/linux/filter.h:657 [inline]
bpf_prog_run include/linux/filter.h:664 [inline]
bpf_test_run+0x499/0xc30 net/bpf/test_run.c:425
bpf_prog_test_run_skb+0x14ea/0x1f20 net/bpf/test_run.c:1058
bpf_prog_test_run+0x6b7/0xad0 kernel/bpf/syscall.c:4269
__sys_bpf+0x6aa/0xd90 kernel/bpf/syscall.c:5678
__do_sys_bpf kernel/bpf/syscall.c:5767 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5765 [inline]
__x64_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5765
x64_sys_call+0x96b/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:322
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
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-2024-49967 (GCVE-0-2024-49967)
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-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 |
Version: 01d7584cd2e5a93a2b959c9dddaa0d93ec205404 Version: 01d7584cd2e5a93a2b959c9dddaa0d93ec205404 Version: 01d7584cd2e5a93a2b959c9dddaa0d93ec205404 Version: 01d7584cd2e5a93a2b959c9dddaa0d93ec205404 Version: 01d7584cd2e5a93a2b959c9dddaa0d93ec205404 Version: 01d7584cd2e5a93a2b959c9dddaa0d93ec205404 Version: 01d7584cd2e5a93a2b959c9dddaa0d93ec205404 Version: 01d7584cd2e5a93a2b959c9dddaa0d93ec205404 |
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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
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|---|---|---|---|---|
| Linux | Linux |
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||
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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 |
Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 Version: cf1d6c763fbcb115263114302485ad17e7933d87 |
||
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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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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-2024-53066 (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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}
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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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"value": "AV:L - The vulnerable code is reached only through local filesystem operations \u2014 write(2)/writeback via ext4_do_writepages \u2192 ext4_map_blocks \u2192 ext4_ext_map_blocks, direct I/O, and fallocate(2) \u2014 on a mounted ext4 volume. ext4 is a local filesystem subsystem with no network protocol handler in the path.\nAC:L - This is a deterministic stale-pointer logic bug, not a race: the attacker fully controls file fragmentation and therefore the extent-tree depth that forces ext4_ext_create_new_leaf() \u2192 ext4_ext_grow_indepth() \u2192 the reallocating ext4_find_extent(). The attacker also picks the depth so the freed kcalloc(depth+2, 48) object and the replacement land in different kmalloc size classes, leaving the freed object reclaimable by their own spraying thread.\nPR:L - There is no capable() or CAP_* check anywhere in fs/ext4/extents.c; any unprivileged local user with write access to an ext4 filesystem (/tmp, /home, Android /data, or any user-writable mount) reaches ext4_ext_insert_extent() with plain write() and fallocate() calls. No user-namespace trick or elevated privilege is needed.\nUI:N - The attacker triggers the entire sequence with their own syscalls on their own files on an already-mounted filesystem. No victim action such as mounting a crafted image or opening a supplied file is required.\nS:U - The use-after-free is confined to the kernel\u0027s own slab memory and the ext4 extent path array, so all impact stays within the kernel security authority on the same host. No hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - The freed path array is a general-cache kmalloc object the attacker can reclaim and populate via heap spraying, giving control over path[depth].p_hdr, p_ext and p_bh, which are dereferenced as kernel pointers for extent-header and buffer_head reads. Per use-after-free scoring guidance this reclaim-and-read primitive is treated as arbitrary kernel memory disclosure.\nI:H - Unlike a read-only UAF, the post-free code writes through the stale pointers: memmove(nearex+1, nearex, len * sizeof(struct ext4_extent)) with attacker-influenced source, destination and length, le16_add_cpu(\u0026eh-\u003eeh_entries, 1), a 12-byte extent store of attacker-chosen logical/physical block values, and ext4_ext_get_access()/ext4_ext_dirty() on a stale buffer_head fed into jbd2. That is a controlled kernel write primitive suitable for privilege escalation.\nA:H - Dereferencing the freed path array in the writeback path yields a garbage extent header and buffer_head, producing the KASAN slab-use-after-free oops shown in the commit message, or a panic from the subsequent memmove and journal operations. Any use-after-free reliably crashes the kernel even when not fully weaponized."
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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-2024-50279 (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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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---"
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"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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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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"value": "AV:L - The vulnerable path is entered only through `ocfs2_enable_quotas()`/`ocfs2_remount()` when an ocfs2 image is mounted locally, so the attacker needs local access to present the crafted block device or image file. There is no remote or adjacent-network data path into `ocfs2_local_read_info()`.\nAC:L - The attacker authors the on-disk image and therefore controls both the failure trigger (unvalidated `dqi_chunks`/quota-block ECC guaranteeing an error after `ocfs2_global_read_info()` succeeds) and `dqi_syncms`, which sets the exact delay before the freed timer fires \u2014 giving a deterministic, repeatable free-then-spray-then-fire window. No condition outside the attacker\u0027s influence is required.\nPR:L - In the realistic worst case a low-privileged local user supplies the crafted image on removable media or via a delegated/`user` fstab mount and a privileged automounter (udisks2/systemd) performs the mount, so the attacker themself holds only unprivileged credentials. Per the uncertainty rule the lower privilege tier is taken over requiring real CAP_SYS_ADMIN.\nUI:N - On desktop, kiosk and shared-workstation deployments the mount is performed automatically by the automount daemon on media insertion \u2014 an action the attacker performs \u2014 so no separate victim interaction is needed.\nS:U - The freed object, the timer wheel and the work handler all live within the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - This is a slab use-after-free: the attacker can reallocate the freed `ocfs2_mem_dqinfo` and have `qsync_work_fn()` dereference an attacker-chosen `dqi_gqinode`/`i_sb`, and `dquot_scan_active()` then walks structures at attacker-influenced addresses, yielding an arbitrary-read primitive.\nI:H - `expire_timers()` reads `timer-\u003efunction` from the freed object and calls it while `detach_timer()` writes back into it, so a successful heap spray gives a controlled indirect call and write primitive \u2014 full control-flow hijack, not merely state corruption.\nA:H - Even unexploited the dangling timer causes a wild function-pointer call or NULL/garbage dereference in softirq context, producing a kernel oops or panic; with debug objects enabled it trips the ODEBUG \"free active object\" report."
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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-2024-49881 (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-2022-48809 (GCVE-0-2022-48809)
Vulnerability from cvelistv5
Published
2024-07-16 11:43
Modified
2026-05-11 18:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: fix a memleak when uncloning an skb dst and its metadata
When uncloning an skb dst and its associated metadata, a new
dst+metadata is allocated and later replaces the old one in the skb.
This is helpful to have a non-shared dst+metadata attached to a specific
skb.
The issue is the uncloned dst+metadata is initialized with a refcount of
1, which is increased to 2 before attaching it to the skb. When
tun_dst_unclone returns, the dst+metadata is only referenced from a
single place (the skb) while its refcount is 2. Its refcount will never
drop to 0 (when the skb is consumed), leading to a memory leak.
Fix this by removing the call to dst_hold in tun_dst_unclone, as the
dst+metadata refcount is already 1.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fc4099f17240767554ff3a73977acb78ef615404 Version: fc4099f17240767554ff3a73977acb78ef615404 Version: fc4099f17240767554ff3a73977acb78ef615404 Version: fc4099f17240767554ff3a73977acb78ef615404 Version: fc4099f17240767554ff3a73977acb78ef615404 Version: fc4099f17240767554ff3a73977acb78ef615404 Version: fc4099f17240767554ff3a73977acb78ef615404 Version: fc4099f17240767554ff3a73977acb78ef615404 |
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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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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
freed on the err path.
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-2024-49952 (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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],
"title": "netfilter: nf_tables: prevent nf_skb_duplicated corruption",
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"cveId": "CVE-2024-49952",
"datePublished": "2024-10-21T18:02:07.718Z",
"dateReserved": "2024-10-21T12:17:06.047Z",
"dateUpdated": "2026-08-05T11:40:39.691Z",
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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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"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",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-50115",
"options": [
{
"Exploitation": "none"
},
{
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},
{
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}
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"role": "CISA Coordinator",
"timestamp": "2025-10-01T20:21:56.032296Z",
"version": "2.0.3"
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}
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"dateUpdated": "2025-11-03T22:25:38.622Z",
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"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.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\nKVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory\n\nIgnore nCR3[4:0] when loading PDPTEs from memory for nested SVM, as bits\n4:0 of CR3 are ignored when PAE paging is used, and thus VMRUN doesn\u0027t\nenforce 32-byte alignment of nCR3.\n\nIn the absolute worst case scenario, failure to ignore bits 4:0 can result\nin an out-of-bounds read, e.g. if the target page is at the end of a\nmemslot, and the VMM isn\u0027t using guard pages.\n\nPer the APM:\n\n The CR3 register points to the base address of the page-directory-pointer\n table. The page-directory-pointer table is aligned on a 32-byte boundary,\n with the low 5 address bits 4:0 assumed to be 0.\n\nAnd the SDM\u0027s much more explicit:\n\n 4:0 Ignored\n\nNote, KVM gets this right when loading PDPTRs, it\u0027s only the nSVM flow\nthat is broken."
}
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"value": "AV:L - The attacker must execute code on the host machine, specifically CPL0 inside an L1 guest, issuing VMRUN with an attacker-chosen nCR3; there is no network protocol involved. Guest-to-host attacks against KVM are scored as local access to the host.\nAC:L - Every precondition is under the attacker\u0027s control \u2014 L1 chooses 32-bit PAE mode, sets the NPT enable bit, and sets nCR3[4:0]; nested SVM and NPT are enabled by default in kvm_amd, and nCR3 receives no alignment validation, so the out-of-bounds read triggers deterministically on the first VMRUN. The guest knows its own e820 map and can aim at a memslot-terminating gfn and retry against every memslot boundary.\nPR:L - The attacker needs kernel-level (CPL0) control of a guest VM whose CPUID exposes SVM \u2014 i.e. an ordinary tenant VM on a nested-virtualization-enabled AMD host, which is a low privilege level relative to the host kernel being attacked. No host-side root or /dev/kvm privileges beyond running one\u0027s own VM are required.\nUI:N - Exploitation is entirely driven by instructions the attacker executes in its own guest; no host administrator or other user needs to take any action.\nS:C - The vulnerable component is KVM in the host kernel, but the impacted resource is host VMM process memory lying outside the guest\u0027s memslot, so the attack crosses the guest/host security boundary. This is the classic KVM guest-to-host scope change.\nC:H - Up to 31 bytes past the end of every memslot in the host VMM\u0027s address space can be read, and the value is recoverable by the guest through the shadow-NPT root oracle in mmu_alloc_shadow_roots(), disclosing host heap contents and pointers that defeat host ASLR. It is repeatable at each memslot boundary, so it is not strictly bounded to a few bytes at one fixed location.\nI:N - The defect is purely a read; the resulting PDPTE only influences translations that remain gated by kvm_vcpu_is_visible_gfn() and normal memslot lookup, and any accessed/dirty writes land in the attacker\u0027s own L1 memory. No host memory is corrupted and no control-flow primitive is produced.\nA:H - In affected v6.12-rc1..rc4 kernels the same guest-controlled offset trips the WARN_ON_ONCE(offset + len \u003e PAGE_SIZE) hardening check in __kvm_read_guest_page(), giving a guest-triggerable host kernel WARN that panics the entire host \u2014 and all co-resident VMs \u2014 on the widely used panic_on_warn=1 configuration."
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"datePublished": "2024-11-05T17:10:46.677Z",
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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-2024-50024 (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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"value": "AV:L - The attacker-controlled state is built exclusively through local AF_NETLINK/NETLINK_GENERIC sockets (bind() and setsockopt(NETLINK_ADD_MEMBERSHIP)), and the faulty loop lives in netlink table maintenance code. There is no remote, adjacent-network, or guest-to-host path into `__netlink_clear_multicast_users()`.\nAC:L - The attacker deterministically constructs the dangerous `mc_list` \u2014 many sockets subscribed to many genl multicast group ids, with subscription counts arranged so the loop body unlinks the element it is standing on \u2014 and no condition outside their influence (specific timing window, unpredictable memory layout, or victim process state) is needed for the walk to leave the list.\nPR:L - NETLINK_GENERIC is registered with NL_CFG_F_NONROOT_RECV, so `netlink_allowed()` lets any unprivileged user join genl multicast groups, and `genl_bind()`\u0027s CAP_NET_ADMIN/CAP_SYS_ADMIN checks are `ns_capable(net-\u003euser_ns, \u2026)`, which a plain user satisfies via `unshare -Urn`; since `nl_table[].mc_list` is global and `genl_unregister_mc_groups()` sweeps every netns, sockets planted from an unprivileged namespace are walked by the buggy loop.\nUI:R - The unsafe loop only executes from `genl_unregister_family()`, which every in-tree caller reaches from a module exit or module-init failure path, so an administrator must unload/teardown the genl-providing module (rmmod, driver upgrade, udev-driven `modprobe -r`) after the attacker has planted the listeners.\nS:U - The stale list node, the netlink socket group bitmaps, and the corrupted slab memory all belong to the host kernel, the same security authority that is compromised. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - The loop dereferences a list element already unlinked inside the body and reads through pointers taken from it (`test_bit(group - 1, nlk-\u003egroups)`), and the missing `ngroups` bound check \u2014 present in the sibling `netlink_update_listeners()` \u2014 makes that an out-of-bounds slab read at an attacker-chosen group index, a stale-object read primitive usable to disclose adjacent kernel heap contents.\nI:H - The same code path writes through the stale/undersized object \u2014 `__assign_bit(group - 1, nlk-\u003egroups, new)` and `nlk-\u003esubscriptions = subscriptions` \u2014 so once the freed or overrun slab region is groomed by the attacker this becomes an arbitrary-bit clear at an attacker-influenced address, plus corruption of the `mc_list` linkage itself, which is sufficient for control-flow hijacking.\nA:H - The committed reproduction is a hard kernel crash \u2014 \"Oops: Kernel access of bad area, sig: 11\" at `netlink_update_socket_mc+0x3c` under `__netlink_clear_multicast_users()` \u2014 and the corruption happens while `nl_table_lock` is held via `netlink_table_grab()` (`write_lock_irq`), so a mangled list also wedges the entire netlink subsystem."
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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 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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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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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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