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CERTFR-2025-AVI-1136
Vulnerability from certfr_avis - Published: 2025-12-19 - Updated: 2025-12-19
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian LTS. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
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{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Debian LTS bullseye versions ant\u00e9rieures \u00e0 5.10.247-1",
"product": {
"name": "Debian",
"vendor": {
"name": "Debian",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2025-40273",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40273"
},
{
"name": "CVE-2025-39987",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39987"
},
{
"name": "CVE-2025-21861",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21861"
},
{
"name": "CVE-2025-40055",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40055"
},
{
"name": "CVE-2025-39876",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39876"
},
{
"name": "CVE-2025-40029",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40029"
},
{
"name": "CVE-2025-40306",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40306"
},
{
"name": "CVE-2025-40048",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40048"
},
{
"name": "CVE-2025-40254",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40254"
},
{
"name": "CVE-2025-40219",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40219"
},
{
"name": "CVE-2025-39973",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39973"
},
{
"name": "CVE-2025-39945",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39945"
},
{
"name": "CVE-2025-39883",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39883"
},
{
"name": "CVE-2025-40019",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40019"
},
{
"name": "CVE-2025-40240",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40240"
},
{
"name": "CVE-2025-40081",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40081"
},
{
"name": "CVE-2025-40026",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40026"
},
{
"name": "CVE-2025-40153",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40153"
},
{
"name": "CVE-2025-40121",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40121"
},
{
"name": "CVE-2025-40312",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40312"
},
{
"name": "CVE-2025-40204",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40204"
},
{
"name": "CVE-2025-39911",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39911"
},
{
"name": "CVE-2025-40125",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40125"
},
{
"name": "CVE-2025-40309",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40309"
},
{
"name": "CVE-2025-40308",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40308"
},
{
"name": "CVE-2025-40187",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40187"
},
{
"name": "CVE-2025-40315",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40315"
},
{
"name": "CVE-2025-39913",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39913"
},
{
"name": "CVE-2025-39967",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39967"
},
{
"name": "CVE-2025-40115",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40115"
},
{
"name": "CVE-2025-40198",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40198"
},
{
"name": "CVE-2025-39949",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39949"
},
{
"name": "CVE-2023-53498",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53498"
},
{
"name": "CVE-2025-40173",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40173"
},
{
"name": "CVE-2025-40190",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40190"
},
{
"name": "CVE-2025-39923",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39923"
},
{
"name": "CVE-2025-39866",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39866"
},
{
"name": "CVE-2025-39953",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39953"
},
{
"name": "CVE-2025-40167",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40167"
},
{
"name": "CVE-2025-39969",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39969"
},
{
"name": "CVE-2025-40194",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40194"
},
{
"name": "CVE-2025-40001",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40001"
},
{
"name": "CVE-2025-40035",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40035"
},
{
"name": "CVE-2025-40322",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40322"
},
{
"name": "CVE-2025-40233",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40233"
},
{
"name": "CVE-2025-40020",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40020"
},
{
"name": "CVE-2025-40188",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40188"
},
{
"name": "CVE-2025-40271",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40271"
},
{
"name": "CVE-2025-40186",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40186"
},
{
"name": "CVE-2025-40049",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40049"
},
{
"name": "CVE-2025-40277",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40277"
},
{
"name": "CVE-2025-40070",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40070"
},
{
"name": "CVE-2025-40106",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40106"
},
{
"name": "CVE-2025-40205",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40205"
},
{
"name": "CVE-2025-40269",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40269"
},
{
"name": "CVE-2025-40027",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40027"
},
{
"name": "CVE-2025-39885",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39885"
},
{
"name": "CVE-2025-39970",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39970"
},
{
"name": "CVE-2025-39994",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39994"
},
{
"name": "CVE-2025-40088",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40088"
},
{
"name": "CVE-2025-40220",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40220"
},
{
"name": "CVE-2025-40257",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40257"
},
{
"name": "CVE-2025-22058",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-22058"
},
{
"name": "CVE-2025-40197",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40197"
},
{
"name": "CVE-2025-40109",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40109"
},
{
"name": "CVE-2025-40006",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40006"
},
{
"name": "CVE-2025-40263",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40263"
},
{
"name": "CVE-2025-40011",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40011"
},
{
"name": "CVE-2025-40231",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40231"
},
{
"name": "CVE-2024-47666",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47666"
},
{
"name": "CVE-2025-40278",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40278"
},
{
"name": "CVE-2025-40342",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40342"
},
{
"name": "CVE-2025-23143",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23143"
},
{
"name": "CVE-2024-50143",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50143"
},
{
"name": "CVE-2025-40183",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40183"
},
{
"name": "CVE-2025-39998",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39998"
},
{
"name": "CVE-2025-40134",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40134"
},
{
"name": "CVE-2025-39968",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39968"
},
{
"name": "CVE-2025-39986",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39986"
},
{
"name": "CVE-2025-40283",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40283"
},
{
"name": "CVE-2025-39955",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39955"
},
{
"name": "CVE-2025-40324",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40324"
},
{
"name": "CVE-2025-40264",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40264"
},
{
"name": "CVE-2025-40078",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40078"
},
{
"name": "CVE-2025-40321",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40321"
},
{
"name": "CVE-2025-40116",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40116"
},
{
"name": "CVE-2025-40127",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40127"
},
{
"name": "CVE-2025-40282",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40282"
},
{
"name": "CVE-2025-39996",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39996"
},
{
"name": "CVE-2025-40053",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40053"
},
{
"name": "CVE-2025-39951",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39951"
},
{
"name": "CVE-2025-40243",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40243"
},
{
"name": "CVE-2025-38678",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38678"
},
{
"name": "CVE-2025-40118",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40118"
},
{
"name": "CVE-2025-40021",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40021"
},
{
"name": "CVE-2025-39964",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39964"
},
{
"name": "CVE-2025-39993",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39993"
},
{
"name": "CVE-2025-40044",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40044"
},
{
"name": "CVE-2025-40105",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40105"
},
{
"name": "CVE-2025-40083",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40083"
},
{
"name": "CVE-2025-39971",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39971"
},
{
"name": "CVE-2025-40154",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40154"
},
{
"name": "CVE-2025-40331",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40331"
},
{
"name": "CVE-2025-40280",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40280"
},
{
"name": "CVE-2025-39972",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39972"
},
{
"name": "CVE-2025-40018",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40018"
},
{
"name": "CVE-2025-40200",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40200"
},
{
"name": "CVE-2025-40111",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40111"
},
{
"name": "CVE-2025-40211",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40211"
},
{
"name": "CVE-2025-40042",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40042"
},
{
"name": "CVE-2025-40248",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40248"
},
{
"name": "CVE-2025-40259",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40259"
},
{
"name": "CVE-2025-39937",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39937"
},
{
"name": "CVE-2025-40178",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40178"
},
{
"name": "CVE-2025-39869",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39869"
},
{
"name": "CVE-2025-39985",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39985"
},
{
"name": "CVE-2025-40317",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40317"
},
{
"name": "CVE-2025-40258",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40258"
},
{
"name": "CVE-2025-40281",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40281"
},
{
"name": "CVE-2025-40304",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40304"
},
{
"name": "CVE-2025-39980",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39980"
},
{
"name": "CVE-2025-21887",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21887"
},
{
"name": "CVE-2025-40262",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40262"
},
{
"name": "CVE-2024-57947",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-57947"
},
{
"name": "CVE-2025-40261",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40261"
},
{
"name": "CVE-2025-40030",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40030"
},
{
"name": "CVE-2025-40244",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40244"
},
{
"name": "CVE-2025-39995",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39995"
},
{
"name": "CVE-2025-40275",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40275"
},
{
"name": "CVE-2025-39907",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39907"
},
{
"name": "CVE-2025-40022",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40022"
},
{
"name": "CVE-2025-40140",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40140"
},
{
"name": "CVE-2025-40223",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40223"
},
{
"name": "CVE-2025-40319",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40319"
},
{
"name": "CVE-2025-40087",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40087"
}
],
"initial_release_date": "2025-12-19T00:00:00",
"last_revision_date": "2025-12-19T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-1136",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-12-19T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de Debian LTS. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Debian LTS",
"vendor_advisories": [
{
"published_at": "2025-12-12",
"title": "Bulletin de s\u00e9curit\u00e9 Debian LTS DLA-4404-1",
"url": "https://lists.debian.org/debian-lts-announce/2025/12/msg00015.html"
}
]
}
CVE-2025-40027 (GCVE-0-2025-40027)
Vulnerability from cvelistv5 – Published: 2025-10-28 09:32 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
net/9p: fix double req put in p9_fd_cancelled
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/9p: fix double req put in p9_fd_cancelled
Syzkaller reports a KASAN issue as below:
general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0xdead000000000108-0xdead00000000010f]
CPU: 0 PID: 5083 Comm: syz-executor.2 Not tainted 6.1.134-syzkaller-00037-g855bd1d7d838 #0
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:__list_del include/linux/list.h:114 [inline]
RIP: 0010:__list_del_entry include/linux/list.h:137 [inline]
RIP: 0010:list_del include/linux/list.h:148 [inline]
RIP: 0010:p9_fd_cancelled+0xe9/0x200 net/9p/trans_fd.c:734
Call Trace:
<TASK>
p9_client_flush+0x351/0x440 net/9p/client.c:614
p9_client_rpc+0xb6b/0xc70 net/9p/client.c:734
p9_client_version net/9p/client.c:920 [inline]
p9_client_create+0xb51/0x1240 net/9p/client.c:1027
v9fs_session_init+0x1f0/0x18f0 fs/9p/v9fs.c:408
v9fs_mount+0xba/0xcb0 fs/9p/vfs_super.c:126
legacy_get_tree+0x108/0x220 fs/fs_context.c:632
vfs_get_tree+0x8e/0x300 fs/super.c:1573
do_new_mount fs/namespace.c:3056 [inline]
path_mount+0x6a6/0x1e90 fs/namespace.c:3386
do_mount fs/namespace.c:3399 [inline]
__do_sys_mount fs/namespace.c:3607 [inline]
__se_sys_mount fs/namespace.c:3584 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3584
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
This happens because of a race condition between:
- The 9p client sending an invalid flush request and later cleaning it up;
- The 9p client in p9_read_work() canceled all pending requests.
Thread 1 Thread 2
...
p9_client_create()
...
p9_fd_create()
...
p9_conn_create()
...
// start Thread 2
INIT_WORK(&m->rq, p9_read_work);
p9_read_work()
...
p9_client_rpc()
...
...
p9_conn_cancel()
...
spin_lock(&m->req_lock);
...
p9_fd_cancelled()
...
...
spin_unlock(&m->req_lock);
// status rewrite
p9_client_cb(m->client, req, REQ_STATUS_ERROR)
// first remove
list_del(&req->req_list);
...
spin_lock(&m->req_lock)
...
// second remove
list_del(&req->req_list);
spin_unlock(&m->req_lock)
...
Commit 74d6a5d56629 ("9p/trans_fd: Fix concurrency del of req_list in
p9_fd_cancelled/p9_read_work") fixes a concurrency issue in the 9p filesystem
client where the req_list could be deleted simultaneously by both
p9_read_work and p9_fd_cancelled functions, but for the case where req->status
equals REQ_STATUS_RCVD.
Update the check for req->status in p9_fd_cancelled to skip processing not
just received requests, but anything that is not SENT, as whatever
changed the state from SENT also removed the request from its list.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
[updated the check from status == RECV || status == ERROR to status != SENT]
Severity
No CVSS data available.
Assigner
References
9 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
afd8d65411551839b7ab14a539d00075b2793451 , < a5901a0dfb5964525990106706ae8b98db098226
(git)
Affected: afd8d65411551839b7ab14a539d00075b2793451 , < 5c64c0b7b3446f7ed088a13bc8d7487d66534cbb (git) Affected: afd8d65411551839b7ab14a539d00075b2793451 , < c1db864270eb7fea94a9ef201da0c9dc1cbab7b8 (git) Affected: afd8d65411551839b7ab14a539d00075b2793451 , < 0e0097005abc02c9f262370674f855625f4f3fb4 (git) Affected: afd8d65411551839b7ab14a539d00075b2793451 , < 284e67a93b8c48952b6fc82129a8d3eb9dc73b06 (git) Affected: afd8d65411551839b7ab14a539d00075b2793451 , < 716dceb19a9f8ff6c9d3aee5a771a93d6a47a0b6 (git) Affected: afd8d65411551839b7ab14a539d00075b2793451 , < 448db01a48e1cdbbc31c995716a5dac1e52ba036 (git) Affected: afd8d65411551839b7ab14a539d00075b2793451 , < 94797b84cb9985022eb9cb3275c9497fbc883bb6 (git) Affected: afd8d65411551839b7ab14a539d00075b2793451 , < 674b56aa57f9379854cb6798c3bbcef7e7b51ab7 (git) |
|
| Linux | Linux |
Affected:
3.15
Unaffected: 0 , < 3.15 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.111 , ≤ 6.6.* (semver) Unaffected: 6.12.52 , ≤ 6.12.* (semver) Unaffected: 6.16.12 , ≤ 6.16.* (semver) Unaffected: 6.17.2 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
{
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"cpeApplicability": [
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/9p: fix double req put in p9_fd_cancelled\n\nSyzkaller reports a KASAN issue as below:\n\ngeneral protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP KASAN NOPTI\nKASAN: maybe wild-memory-access in range [0xdead000000000108-0xdead00000000010f]\nCPU: 0 PID: 5083 Comm: syz-executor.2 Not tainted 6.1.134-syzkaller-00037-g855bd1d7d838 #0\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014\nRIP: 0010:__list_del include/linux/list.h:114 [inline]\nRIP: 0010:__list_del_entry include/linux/list.h:137 [inline]\nRIP: 0010:list_del include/linux/list.h:148 [inline]\nRIP: 0010:p9_fd_cancelled+0xe9/0x200 net/9p/trans_fd.c:734\n\nCall Trace:\n \u003cTASK\u003e\n p9_client_flush+0x351/0x440 net/9p/client.c:614\n p9_client_rpc+0xb6b/0xc70 net/9p/client.c:734\n p9_client_version net/9p/client.c:920 [inline]\n p9_client_create+0xb51/0x1240 net/9p/client.c:1027\n v9fs_session_init+0x1f0/0x18f0 fs/9p/v9fs.c:408\n v9fs_mount+0xba/0xcb0 fs/9p/vfs_super.c:126\n legacy_get_tree+0x108/0x220 fs/fs_context.c:632\n vfs_get_tree+0x8e/0x300 fs/super.c:1573\n do_new_mount fs/namespace.c:3056 [inline]\n path_mount+0x6a6/0x1e90 fs/namespace.c:3386\n do_mount fs/namespace.c:3399 [inline]\n __do_sys_mount fs/namespace.c:3607 [inline]\n __se_sys_mount fs/namespace.c:3584 [inline]\n __x64_sys_mount+0x283/0x300 fs/namespace.c:3584\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x35/0x80 arch/x86/entry/common.c:81\n entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n\nThis happens because of a race condition between:\n\n- The 9p client sending an invalid flush request and later cleaning it up;\n- The 9p client in p9_read_work() canceled all pending requests.\n\n Thread 1 Thread 2\n ...\n p9_client_create()\n ...\n p9_fd_create()\n ...\n p9_conn_create()\n ...\n // start Thread 2\n INIT_WORK(\u0026m-\u003erq, p9_read_work);\n p9_read_work()\n ...\n p9_client_rpc()\n ...\n ...\n p9_conn_cancel()\n ...\n spin_lock(\u0026m-\u003ereq_lock);\n ...\n p9_fd_cancelled()\n ...\n ...\n spin_unlock(\u0026m-\u003ereq_lock);\n // status rewrite\n p9_client_cb(m-\u003eclient, req, REQ_STATUS_ERROR)\n // first remove\n list_del(\u0026req-\u003ereq_list);\n ...\n\n spin_lock(\u0026m-\u003ereq_lock)\n ...\n // second remove\n list_del(\u0026req-\u003ereq_list);\n spin_unlock(\u0026m-\u003ereq_lock)\n ...\n\nCommit 74d6a5d56629 (\"9p/trans_fd: Fix concurrency del of req_list in\np9_fd_cancelled/p9_read_work\") fixes a concurrency issue in the 9p filesystem\nclient where the req_list could be deleted simultaneously by both\np9_read_work and p9_fd_cancelled functions, but for the case where req-\u003estatus\nequals REQ_STATUS_RCVD.\n\nUpdate the check for req-\u003estatus in p9_fd_cancelled to skip processing not\njust received requests, but anything that is not SENT, as whatever\nchanged the state from SENT also removed the request from its list.\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.\n\n[updated the check from status == RECV || status == ERROR to status != SENT]"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T21:41:04.283Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/a5901a0dfb5964525990106706ae8b98db098226"
},
{
"url": "https://git.kernel.org/stable/c/5c64c0b7b3446f7ed088a13bc8d7487d66534cbb"
},
{
"url": "https://git.kernel.org/stable/c/c1db864270eb7fea94a9ef201da0c9dc1cbab7b8"
},
{
"url": "https://git.kernel.org/stable/c/0e0097005abc02c9f262370674f855625f4f3fb4"
},
{
"url": "https://git.kernel.org/stable/c/284e67a93b8c48952b6fc82129a8d3eb9dc73b06"
},
{
"url": "https://git.kernel.org/stable/c/716dceb19a9f8ff6c9d3aee5a771a93d6a47a0b6"
},
{
"url": "https://git.kernel.org/stable/c/448db01a48e1cdbbc31c995716a5dac1e52ba036"
},
{
"url": "https://git.kernel.org/stable/c/94797b84cb9985022eb9cb3275c9497fbc883bb6"
},
{
"url": "https://git.kernel.org/stable/c/674b56aa57f9379854cb6798c3bbcef7e7b51ab7"
}
],
"title": "net/9p: fix double req put in p9_fd_cancelled",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-40027",
"datePublished": "2025-10-28T09:32:34.162Z",
"dateReserved": "2025-04-16T07:20:57.152Z",
"dateUpdated": "2026-05-11T21:41:04.283Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-40029 (GCVE-0-2025-40029)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
bus: fsl-mc: Check return value of platform_get_resource()
Summary
In the Linux kernel, the following vulnerability has been resolved:
bus: fsl-mc: Check return value of platform_get_resource()
platform_get_resource() returns NULL in case of failure, so check its
return value and propagate the error in order to prevent NULL pointer
dereference.
Severity
No CVSS data available.
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
6305166c8771c33a8d5992fb53f93cfecedc14fd , < 58dd05070b57a20f22ff35a34ef9846bdf49a1d0
(git)
Affected: 6305166c8771c33a8d5992fb53f93cfecedc14fd , < 8a4dd74fe413d4a278e649be1d22d028e1667116 (git) Affected: 6305166c8771c33a8d5992fb53f93cfecedc14fd , < e60d55692e6c8e951000343c39f3fc92cab57efc (git) Affected: 6305166c8771c33a8d5992fb53f93cfecedc14fd , < 78e87b8a3cf8a59671ea25c87192d16e8d710e1c (git) Affected: 6305166c8771c33a8d5992fb53f93cfecedc14fd , < 84ec0482ed9c9ed0aee553a5e7e7458ad79c021f (git) Affected: 6305166c8771c33a8d5992fb53f93cfecedc14fd , < 2ead548473f58c7960b6b939b79503c4a0a2c0bd (git) Affected: 6305166c8771c33a8d5992fb53f93cfecedc14fd , < 25f526507b8ccc6ac3a43bc094d09b1f9b0b90ae (git) |
|
| Linux | Linux |
Affected:
5.9
Unaffected: 0 , < 5.9 (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
{
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},
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"status": "unaffected",
"version": "6.6.112",
"versionType": "semver"
},
{
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CVE-2025-40030 (GCVE-0-2025-40030)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
pinctrl: check the return value of pinmux_ops::get_function_name()
Summary
In the Linux kernel, the following vulnerability has been resolved:
pinctrl: check the return value of pinmux_ops::get_function_name()
While the API contract in docs doesn't specify it explicitly, the
generic implementation of the get_function_name() callback from struct
pinmux_ops - pinmux_generic_get_function_name() - can fail and return
NULL. This is already checked in pinmux_check_ops() so add a similar
check in pinmux_func_name_to_selector() instead of passing the returned
pointer right down to strcmp() where the NULL can get dereferenced. This
is normal operation when adding new pinfunctions.
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f913cfce4ee49a3382a9ff95696f49a46e56e974 , < 1a7fc8fed2bb2e113604fde7a45432ace2056b97
(git)
Affected: f913cfce4ee49a3382a9ff95696f49a46e56e974 , < e7265dc4c670b89611bcf5fe33acf99bc0aa294f (git) Affected: f913cfce4ee49a3382a9ff95696f49a46e56e974 , < d77ef2f621cd1d605372c4c6ce667c496f6990c3 (git) Affected: f913cfce4ee49a3382a9ff95696f49a46e56e974 , < ba7f7c2b2b3261e7def67018c38c69b626e0e66e (git) Affected: f913cfce4ee49a3382a9ff95696f49a46e56e974 , < 1a2ea887a5cd7d47bab599f733d89444df018b1a (git) Affected: f913cfce4ee49a3382a9ff95696f49a46e56e974 , < 688c688e0bf55824f4a38f8c2180046f089a3e3b (git) Affected: f913cfce4ee49a3382a9ff95696f49a46e56e974 , < b7e0535060a60cc99eafc19cc665d979714cd73a (git) Affected: f913cfce4ee49a3382a9ff95696f49a46e56e974 , < 4002ee98c022d671ecc1e4a84029e9ae7d8a5603 (git) |
|
| Linux | Linux |
Affected:
4.19
Unaffected: 0 , < 4.19 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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CVE-2025-40035 (GCVE-0-2025-40035)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak
Summary
In the Linux kernel, the following vulnerability has been resolved:
Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak
Struct ff_effect_compat is embedded twice inside
uinput_ff_upload_compat, contains internal padding. In particular, there
is a hole after struct ff_replay to satisfy alignment requirements for
the following union member. Without clearing the structure,
copy_to_user() may leak stack data to userspace.
Initialize ff_up_compat to zero before filling valid fields.
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
2d56f3a32c0e62f99c043d2579840f9731fe5855 , < 1b317796013f666ae5040edbf0f230ec61496d42
(git)
Affected: 2d56f3a32c0e62f99c043d2579840f9731fe5855 , < 877172b97786ed1678640dff0b2d35abb328844c (git) Affected: 2d56f3a32c0e62f99c043d2579840f9731fe5855 , < e63aade22a33e77b93c98c9f02db504d897a76b4 (git) Affected: 2d56f3a32c0e62f99c043d2579840f9731fe5855 , < 933b87c4590b42500299f00ff55f555903056803 (git) Affected: 2d56f3a32c0e62f99c043d2579840f9731fe5855 , < fd8a23ecbc602d00e47b27f20b07350867d0ebe5 (git) Affected: 2d56f3a32c0e62f99c043d2579840f9731fe5855 , < 48c96b7e9e03516936d6deba54b5553097eae817 (git) Affected: 2d56f3a32c0e62f99c043d2579840f9731fe5855 , < f5e1f3b85aadce74268c46676772c3e9fa79897e (git) Affected: 2d56f3a32c0e62f99c043d2579840f9731fe5855 , < d3366a04770eea807f2826cbdb96934dd8c9bf79 (git) |
|
| Linux | Linux |
Affected:
2.6.29
Unaffected: 0 , < 2.6.29 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak\n\nStruct ff_effect_compat is embedded twice inside\nuinput_ff_upload_compat, contains internal padding. In particular, there\nis a hole after struct ff_replay to satisfy alignment requirements for\nthe following union member. Without clearing the structure,\ncopy_to_user() may leak stack data to userspace.\n\nInitialize ff_up_compat to zero before filling valid fields."
}
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"url": "https://git.kernel.org/stable/c/877172b97786ed1678640dff0b2d35abb328844c"
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"url": "https://git.kernel.org/stable/c/e63aade22a33e77b93c98c9f02db504d897a76b4"
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"url": "https://git.kernel.org/stable/c/933b87c4590b42500299f00ff55f555903056803"
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{
"url": "https://git.kernel.org/stable/c/48c96b7e9e03516936d6deba54b5553097eae817"
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{
"url": "https://git.kernel.org/stable/c/d3366a04770eea807f2826cbdb96934dd8c9bf79"
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"title": "Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-40035",
"datePublished": "2025-10-28T11:48:17.030Z",
"dateReserved": "2025-04-16T07:20:57.153Z",
"dateUpdated": "2026-05-11T21:41:13.342Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
CVE-2025-40042 (GCVE-0-2025-40042)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
tracing: Fix race condition in kprobe initialization causing NULL pointer dereference
Summary
In the Linux kernel, the following vulnerability has been resolved:
tracing: Fix race condition in kprobe initialization causing NULL pointer dereference
There is a critical race condition in kprobe initialization that can lead to
NULL pointer dereference and kernel crash.
[1135630.084782] Unable to handle kernel paging request at virtual address 0000710a04630000
...
[1135630.260314] pstate: 404003c9 (nZcv DAIF +PAN -UAO)
[1135630.269239] pc : kprobe_perf_func+0x30/0x260
[1135630.277643] lr : kprobe_dispatcher+0x44/0x60
[1135630.286041] sp : ffffaeff4977fa40
[1135630.293441] x29: ffffaeff4977fa40 x28: ffffaf015340e400
[1135630.302837] x27: 0000000000000000 x26: 0000000000000000
[1135630.312257] x25: ffffaf029ed108a8 x24: ffffaf015340e528
[1135630.321705] x23: ffffaeff4977fc50 x22: ffffaeff4977fc50
[1135630.331154] x21: 0000000000000000 x20: ffffaeff4977fc50
[1135630.340586] x19: ffffaf015340e400 x18: 0000000000000000
[1135630.349985] x17: 0000000000000000 x16: 0000000000000000
[1135630.359285] x15: 0000000000000000 x14: 0000000000000000
[1135630.368445] x13: 0000000000000000 x12: 0000000000000000
[1135630.377473] x11: 0000000000000000 x10: 0000000000000000
[1135630.386411] x9 : 0000000000000000 x8 : 0000000000000000
[1135630.395252] x7 : 0000000000000000 x6 : 0000000000000000
[1135630.403963] x5 : 0000000000000000 x4 : 0000000000000000
[1135630.412545] x3 : 0000710a04630000 x2 : 0000000000000006
[1135630.421021] x1 : ffffaeff4977fc50 x0 : 0000710a04630000
[1135630.429410] Call trace:
[1135630.434828] kprobe_perf_func+0x30/0x260
[1135630.441661] kprobe_dispatcher+0x44/0x60
[1135630.448396] aggr_pre_handler+0x70/0xc8
[1135630.454959] kprobe_breakpoint_handler+0x140/0x1e0
[1135630.462435] brk_handler+0xbc/0xd8
[1135630.468437] do_debug_exception+0x84/0x138
[1135630.475074] el1_dbg+0x18/0x8c
[1135630.480582] security_file_permission+0x0/0xd0
[1135630.487426] vfs_write+0x70/0x1c0
[1135630.493059] ksys_write+0x5c/0xc8
[1135630.498638] __arm64_sys_write+0x24/0x30
[1135630.504821] el0_svc_common+0x78/0x130
[1135630.510838] el0_svc_handler+0x38/0x78
[1135630.516834] el0_svc+0x8/0x1b0
kernel/trace/trace_kprobe.c: 1308
0xffff3df8995039ec <kprobe_perf_func+0x2c>: ldr x21, [x24,#120]
include/linux/compiler.h: 294
0xffff3df8995039f0 <kprobe_perf_func+0x30>: ldr x1, [x21,x0]
kernel/trace/trace_kprobe.c
1308: head = this_cpu_ptr(call->perf_events);
1309: if (hlist_empty(head))
1310: return 0;
crash> struct trace_event_call -o
struct trace_event_call {
...
[120] struct hlist_head *perf_events; //(call->perf_event)
...
}
crash> struct trace_event_call ffffaf015340e528
struct trace_event_call {
...
perf_events = 0xffff0ad5fa89f088, //this value is correct, but x21 = 0
...
}
Race Condition Analysis:
The race occurs between kprobe activation and perf_events initialization:
CPU0 CPU1
==== ====
perf_kprobe_init
perf_trace_event_init
tp_event->perf_events = list;(1)
tp_event->class->reg (2)← KPROBE ACTIVE
Debug exception triggers
...
kprobe_dispatcher
kprobe_perf_func (tk->tp.flags & TP_FLAG_PROFILE)
head = this_cpu_ptr(call->perf_events)(3)
(perf_events is still NULL)
Problem:
1. CPU0 executes (1) assigning tp_event->perf_events = list
2. CPU0 executes (2) enabling kprobe functionality via class->reg()
3. CPU1 triggers and reaches kprobe_dispatcher
4. CPU1 checks TP_FLAG_PROFILE - condition passes (step 2 completed)
5. CPU1 calls kprobe_perf_func() and crashes at (3) because
call->perf_events is still NULL
CPU1 sees that kprobe functionality is enabled but does not see that
perf_events has been assigned.
Add pairing read an
---truncated---
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
50d780560785b068c358675c5f0bf6c83b5c373e , < 07926ce598a95de6fd874a74fb510e2ebdfd0aae
(git)
Affected: 50d780560785b068c358675c5f0bf6c83b5c373e , < 9c4951b691bb8d7a004acd010f45144391f85ea6 (git) Affected: 50d780560785b068c358675c5f0bf6c83b5c373e , < 95dd33361061f808d1f68616d69ada639e737cfa (git) Affected: 50d780560785b068c358675c5f0bf6c83b5c373e , < a6e89ada1ff6b70df73f579071ffa6ade8ae7f98 (git) Affected: 50d780560785b068c358675c5f0bf6c83b5c373e , < 1a301228c0a8aedc3154fb1a274456f487416b96 (git) Affected: 50d780560785b068c358675c5f0bf6c83b5c373e , < 0fa388ab2c290ef1115ff88ae88e881d0fb2db02 (git) Affected: 50d780560785b068c358675c5f0bf6c83b5c373e , < 5ebea6561649d30ec7a18fea23d7f76738dae916 (git) Affected: 50d780560785b068c358675c5f0bf6c83b5c373e , < 9cf9aa7b0acfde7545c1a1d912576e9bab28dc6f (git) |
|
| Linux | Linux |
Affected:
2.6.33
Unaffected: 0 , < 2.6.33 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.157 , ≤ 6.1.* (semver) Unaffected: 6.6.113 , ≤ 6.6.* (semver) Unaffected: 6.12.54 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
{
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{
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"vendor": "Linux",
"versions": [
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},
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"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
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"version": "5.4.301",
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},
{
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"versionType": "semver"
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{
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"version": "5.15.195",
"versionType": "semver"
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{
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"status": "unaffected",
"version": "6.1.157",
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},
{
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"status": "unaffected",
"version": "6.6.113",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.54",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.17.*",
"status": "unaffected",
"version": "6.17.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
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"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
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"vulnerable": true
},
{
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"vulnerable": true
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix race condition in kprobe initialization causing NULL pointer dereference\n\nThere is a critical race condition in kprobe initialization that can lead to\nNULL pointer dereference and kernel crash.\n\n[1135630.084782] Unable to handle kernel paging request at virtual address 0000710a04630000\n...\n[1135630.260314] pstate: 404003c9 (nZcv DAIF +PAN -UAO)\n[1135630.269239] pc : kprobe_perf_func+0x30/0x260\n[1135630.277643] lr : kprobe_dispatcher+0x44/0x60\n[1135630.286041] sp : ffffaeff4977fa40\n[1135630.293441] x29: ffffaeff4977fa40 x28: ffffaf015340e400\n[1135630.302837] x27: 0000000000000000 x26: 0000000000000000\n[1135630.312257] x25: ffffaf029ed108a8 x24: ffffaf015340e528\n[1135630.321705] x23: ffffaeff4977fc50 x22: ffffaeff4977fc50\n[1135630.331154] x21: 0000000000000000 x20: ffffaeff4977fc50\n[1135630.340586] x19: ffffaf015340e400 x18: 0000000000000000\n[1135630.349985] x17: 0000000000000000 x16: 0000000000000000\n[1135630.359285] x15: 0000000000000000 x14: 0000000000000000\n[1135630.368445] x13: 0000000000000000 x12: 0000000000000000\n[1135630.377473] x11: 0000000000000000 x10: 0000000000000000\n[1135630.386411] x9 : 0000000000000000 x8 : 0000000000000000\n[1135630.395252] x7 : 0000000000000000 x6 : 0000000000000000\n[1135630.403963] x5 : 0000000000000000 x4 : 0000000000000000\n[1135630.412545] x3 : 0000710a04630000 x2 : 0000000000000006\n[1135630.421021] x1 : ffffaeff4977fc50 x0 : 0000710a04630000\n[1135630.429410] Call trace:\n[1135630.434828] kprobe_perf_func+0x30/0x260\n[1135630.441661] kprobe_dispatcher+0x44/0x60\n[1135630.448396] aggr_pre_handler+0x70/0xc8\n[1135630.454959] kprobe_breakpoint_handler+0x140/0x1e0\n[1135630.462435] brk_handler+0xbc/0xd8\n[1135630.468437] do_debug_exception+0x84/0x138\n[1135630.475074] el1_dbg+0x18/0x8c\n[1135630.480582] security_file_permission+0x0/0xd0\n[1135630.487426] vfs_write+0x70/0x1c0\n[1135630.493059] ksys_write+0x5c/0xc8\n[1135630.498638] __arm64_sys_write+0x24/0x30\n[1135630.504821] el0_svc_common+0x78/0x130\n[1135630.510838] el0_svc_handler+0x38/0x78\n[1135630.516834] el0_svc+0x8/0x1b0\n\nkernel/trace/trace_kprobe.c: 1308\n0xffff3df8995039ec \u003ckprobe_perf_func+0x2c\u003e: ldr x21, [x24,#120]\ninclude/linux/compiler.h: 294\n0xffff3df8995039f0 \u003ckprobe_perf_func+0x30\u003e: ldr x1, [x21,x0]\n\nkernel/trace/trace_kprobe.c\n1308: head = this_cpu_ptr(call-\u003eperf_events);\n1309: if (hlist_empty(head))\n1310: \treturn 0;\n\ncrash\u003e struct trace_event_call -o\nstruct trace_event_call {\n ...\n [120] struct hlist_head *perf_events; //(call-\u003eperf_event)\n ...\n}\n\ncrash\u003e struct trace_event_call ffffaf015340e528\nstruct trace_event_call {\n ...\n perf_events = 0xffff0ad5fa89f088, //this value is correct, but x21 = 0\n ...\n}\n\nRace Condition Analysis:\n\nThe race occurs between kprobe activation and perf_events initialization:\n\n CPU0 CPU1\n ==== ====\n perf_kprobe_init\n perf_trace_event_init\n tp_event-\u003eperf_events = list;(1)\n tp_event-\u003eclass-\u003ereg (2)\u2190 KPROBE ACTIVE\n Debug exception triggers\n ...\n kprobe_dispatcher\n kprobe_perf_func (tk-\u003etp.flags \u0026 TP_FLAG_PROFILE)\n head = this_cpu_ptr(call-\u003eperf_events)(3)\n (perf_events is still NULL)\n\nProblem:\n1. CPU0 executes (1) assigning tp_event-\u003eperf_events = list\n2. CPU0 executes (2) enabling kprobe functionality via class-\u003ereg()\n3. CPU1 triggers and reaches kprobe_dispatcher\n4. CPU1 checks TP_FLAG_PROFILE - condition passes (step 2 completed)\n5. CPU1 calls kprobe_perf_func() and crashes at (3) because\n call-\u003eperf_events is still NULL\n\nCPU1 sees that kprobe functionality is enabled but does not see that\nperf_events has been assigned.\n\nAdd pairing read an\n---truncated---"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T21:41:21.533Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/07926ce598a95de6fd874a74fb510e2ebdfd0aae"
},
{
"url": "https://git.kernel.org/stable/c/9c4951b691bb8d7a004acd010f45144391f85ea6"
},
{
"url": "https://git.kernel.org/stable/c/95dd33361061f808d1f68616d69ada639e737cfa"
},
{
"url": "https://git.kernel.org/stable/c/a6e89ada1ff6b70df73f579071ffa6ade8ae7f98"
},
{
"url": "https://git.kernel.org/stable/c/1a301228c0a8aedc3154fb1a274456f487416b96"
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{
"url": "https://git.kernel.org/stable/c/0fa388ab2c290ef1115ff88ae88e881d0fb2db02"
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{
"url": "https://git.kernel.org/stable/c/5ebea6561649d30ec7a18fea23d7f76738dae916"
},
{
"url": "https://git.kernel.org/stable/c/9cf9aa7b0acfde7545c1a1d912576e9bab28dc6f"
}
],
"title": "tracing: Fix race condition in kprobe initialization causing NULL pointer dereference",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-40042",
"datePublished": "2025-10-28T11:48:21.638Z",
"dateReserved": "2025-04-16T07:20:57.154Z",
"dateUpdated": "2026-05-11T21:41:21.533Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-40044 (GCVE-0-2025-40044)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
fs: udf: fix OOB read in lengthAllocDescs handling
Summary
In the Linux kernel, the following vulnerability has been resolved:
fs: udf: fix OOB read in lengthAllocDescs handling
When parsing Allocation Extent Descriptor, lengthAllocDescs comes from
on-disk data and must be validated against the block size. Crafted or
corrupted images may set lengthAllocDescs so that the total descriptor
length (sizeof(allocExtDesc) + lengthAllocDescs) exceeds the buffer,
leading udf_update_tag() to call crc_itu_t() on out-of-bounds memory and
trigger a KASAN use-after-free read.
BUG: KASAN: use-after-free in crc_itu_t+0x1d5/0x2b0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff888041e7d000 by task syz-executor317/5309
CPU: 0 UID: 0 PID: 5309 Comm: syz-executor317 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #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:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
crc_itu_t+0x1d5/0x2b0 lib/crc-itu-t.c:60
udf_update_tag+0x70/0x6a0 fs/udf/misc.c:261
udf_write_aext+0x4d8/0x7b0 fs/udf/inode.c:2179
extent_trunc+0x2f7/0x4a0 fs/udf/truncate.c:46
udf_truncate_tail_extent+0x527/0x7e0 fs/udf/truncate.c:106
udf_release_file+0xc1/0x120 fs/udf/file.c:185
__fput+0x23f/0x880 fs/file_table.c:431
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:939
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
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
</TASK>
Validate the computed total length against epos->bh->b_size.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 14496175b264d30c2045584ee31d062af2e3a660
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < d2ed9aa8ae50fb0d4ac5ab07e4c67ba7e9a24818 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 1d1847812a1a5375c10a2a779338df643f79c047 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 918649364fbca7d5df72522ca795479edcd25f91 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a70dcfa8d0a0cc530a6af59483dfca260b652c1b (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b57f2d7d3e6bb89ed82330c5fe106cdfa34d3e24 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 459404f858213967ccfff336c41747d8dd186d38 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3bd5e45c2ce30e239d596becd5db720f7eb83c99 (git) |
|
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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"descriptions": [
{
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs: udf: fix OOB read in lengthAllocDescs handling\n\nWhen parsing Allocation Extent Descriptor, lengthAllocDescs comes from\non-disk data and must be validated against the block size. Crafted or\ncorrupted images may set lengthAllocDescs so that the total descriptor\nlength (sizeof(allocExtDesc) + lengthAllocDescs) exceeds the buffer,\nleading udf_update_tag() to call crc_itu_t() on out-of-bounds memory and\ntrigger a KASAN use-after-free read.\n\nBUG: KASAN: use-after-free in crc_itu_t+0x1d5/0x2b0 lib/crc-itu-t.c:60\nRead of size 1 at addr ffff888041e7d000 by task syz-executor317/5309\n\nCPU: 0 UID: 0 PID: 5309 Comm: syz-executor317 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #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:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:488\n kasan_report+0x143/0x180 mm/kasan/report.c:601\n crc_itu_t+0x1d5/0x2b0 lib/crc-itu-t.c:60\n udf_update_tag+0x70/0x6a0 fs/udf/misc.c:261\n udf_write_aext+0x4d8/0x7b0 fs/udf/inode.c:2179\n extent_trunc+0x2f7/0x4a0 fs/udf/truncate.c:46\n udf_truncate_tail_extent+0x527/0x7e0 fs/udf/truncate.c:106\n udf_release_file+0xc1/0x120 fs/udf/file.c:185\n __fput+0x23f/0x880 fs/file_table.c:431\n task_work_run+0x24f/0x310 kernel/task_work.c:239\n exit_task_work include/linux/task_work.h:43 [inline]\n do_exit+0xa2f/0x28e0 kernel/exit.c:939\n do_group_exit+0x207/0x2c0 kernel/exit.c:1088\n __do_sys_exit_group kernel/exit.c:1099 [inline]\n __se_sys_exit_group kernel/exit.c:1097 [inline]\n __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097\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\n \u003c/TASK\u003e\n\nValidate the computed total length against epos-\u003ebh-\u003eb_size.\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller."
}
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"dateUpdated": "2026-05-11T21:41:23.827Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"url": "https://git.kernel.org/stable/c/3bd5e45c2ce30e239d596becd5db720f7eb83c99"
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"title": "fs: udf: fix OOB read in lengthAllocDescs handling",
"x_generator": {
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"datePublished": "2025-10-28T11:48:22.827Z",
"dateReserved": "2025-04-16T07:20:57.154Z",
"dateUpdated": "2026-05-11T21:41:23.827Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-40048 (GCVE-0-2025-40048)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
uio_hv_generic: Let userspace take care of interrupt mask
Summary
In the Linux kernel, the following vulnerability has been resolved:
uio_hv_generic: Let userspace take care of interrupt mask
Remove the logic to set interrupt mask by default in uio_hv_generic
driver as the interrupt mask value is supposed to be controlled
completely by the user space. If the mask bit gets changed
by the driver, concurrently with user mode operating on the ring,
the mask bit may be set when it is supposed to be clear, and the
user-mode driver will miss an interrupt which will cause a hang.
For eg- when the driver sets inbound ring buffer interrupt mask to 1,
the host does not interrupt the guest on the UIO VMBus channel.
However, setting the mask does not prevent the host from putting a
message in the inbound ring buffer. So let’s assume that happens,
the host puts a message into the ring buffer but does not interrupt.
Subsequently, the user space code in the guest sets the inbound ring
buffer interrupt mask to 0, saying “Hey, I’m ready for interrupts”.
User space code then calls pread() to wait for an interrupt.
Then one of two things happens:
* The host never sends another message. So the pread() waits forever.
* The host does send another message. But because there’s already a
message in the ring buffer, it doesn’t generate an interrupt.
This is the correct behavior, because the host should only send an
interrupt when the inbound ring buffer transitions from empty to
not-empty. Adding an additional message to a ring buffer that is not
empty is not supposed to generate an interrupt on the guest.
Since the guest is waiting in pread() and not removing messages from
the ring buffer, the pread() waits forever.
This could be easily reproduced in hv_fcopy_uio_daemon if we delay
setting interrupt mask to 0.
Similarly if hv_uio_channel_cb() sets the interrupt_mask to 1,
there’s a race condition. Once user space empties the inbound ring
buffer, but before user space sets interrupt_mask to 0, the host could
put another message in the ring buffer but it wouldn’t interrupt.
Then the next pread() would hang.
Fix these by removing all instances where interrupt_mask is changed,
while keeping the one in set_event() unchanged to enable userspace
control the interrupt mask by writing 0/1 to /dev/uioX.
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
95096f2fbd10186d3e78a328b327afc71428f65f , < 540aac117eaea5723cef5e4cbf3035c4ac654d92
(git)
Affected: 95096f2fbd10186d3e78a328b327afc71428f65f , < 65d40acd911c7011745cbbd2aaac34eb5266d11e (git) Affected: 95096f2fbd10186d3e78a328b327afc71428f65f , < a44f61f878f32071d6378e8dd7c2d47f9490c8f7 (git) Affected: 95096f2fbd10186d3e78a328b327afc71428f65f , < 01ce972e6f9974a7c76943bcb7e93746917db83a (git) Affected: 95096f2fbd10186d3e78a328b327afc71428f65f , < 2af39ab5e6dc46b835a52e80a22d0cad430985e3 (git) Affected: 95096f2fbd10186d3e78a328b327afc71428f65f , < 37bd91f22794dc05436130d6983302cb90ecfe7e (git) Affected: 95096f2fbd10186d3e78a328b327afc71428f65f , < e29587c07537929684faa365027f4b0d87521e1b (git) Affected: 95096f2fbd10186d3e78a328b327afc71428f65f , < b15b7d2a1b09ef5428a8db260251897405a19496 (git) |
|
| Linux | Linux |
Affected:
4.10
Unaffected: 0 , < 4.10 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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CVE-2025-40049 (GCVE-0-2025-40049)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
Squashfs: fix uninit-value in squashfs_get_parent
Summary
In the Linux kernel, the following vulnerability has been resolved:
Squashfs: fix uninit-value in squashfs_get_parent
Syzkaller reports a "KMSAN: uninit-value in squashfs_get_parent" bug.
This is caused by open_by_handle_at() being called with a file handle
containing an invalid parent inode number. In particular the inode number
is that of a symbolic link, rather than a directory.
Squashfs_get_parent() gets called with that symbolic link inode, and
accesses the parent member field.
unsigned int parent_ino = squashfs_i(inode)->parent;
Because non-directory inodes in Squashfs do not have a parent value, this
is uninitialised, and this causes an uninitialised value access.
The fix is to initialise parent with the invalid inode 0, which will cause
an EINVAL error to be returned.
Regular inodes used to share the parent field with the block_list_start
field. This is removed in this commit to enable the parent field to
contain the invalid inode number 0.
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
122601408d20c77704268f1dea9f9ce4abf997c2 , < f81a5bc9e924ee1950e0dd82bd10749048390f6e
(git)
Affected: 122601408d20c77704268f1dea9f9ce4abf997c2 , < 382a47fae449e554ef1e8c198667fd2f3270b945 (git) Affected: 122601408d20c77704268f1dea9f9ce4abf997c2 , < 61d38b5ce2782bff3cacaacbb8164087a73ed1a5 (git) Affected: 122601408d20c77704268f1dea9f9ce4abf997c2 , < 81a2bca52d43fc9d9abf07408b91255131c5dc53 (git) Affected: 122601408d20c77704268f1dea9f9ce4abf997c2 , < c28b0ca029edf5d0558abcd76cb8c732706cd339 (git) Affected: 122601408d20c77704268f1dea9f9ce4abf997c2 , < 1b3ccd0019132880c94bb00ca7088c1749308f82 (git) Affected: 122601408d20c77704268f1dea9f9ce4abf997c2 , < 91b99db7a92e57ff48a96a1b10fddfd2547e7f53 (git) Affected: 122601408d20c77704268f1dea9f9ce4abf997c2 , < 74058c0a9fc8b2b4d5f4a0ef7ee2cfa66a9e49cf (git) |
|
| Linux | Linux |
Affected:
2.6.29
Unaffected: 0 , < 2.6.29 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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CVE-2025-40053 (GCVE-0-2025-40053)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
net: dlink: handle copy_thresh allocation failure
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: dlink: handle copy_thresh allocation failure
The driver did not handle failure of `netdev_alloc_skb_ip_align()`.
If the allocation failed, dereferencing `skb->protocol` could lead to
a NULL pointer dereference.
This patch tries to allocate `skb`. If the allocation fails, it falls
back to the normal path.
Tested-on: D-Link DGE-550T Rev-A3
Severity
No CVSS data available.
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 84fd710a704f3d53d4120e452e86cea558cf73a8
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5aa9b885602811a026a3f45c92ea2b4b04c54f09 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9d49e4b14609e1a20d931e718962c4b6b5485174 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ea87151df398d407a632c7bf63013290f01c5009 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7ed5010fef0930f4322d620052edc854ef3ec41f (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fd7b6b2c920d7fd370a612be416a904d6e1ebe55 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8169a6011c5fecc6cb1c3654c541c567d3318de8 (git) |
|
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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CVE-2025-40055 (GCVE-0-2025-40055)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
EPSS
Title
ocfs2: fix double free in user_cluster_connect()
Summary
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix double free in user_cluster_connect()
user_cluster_disconnect() frees "conn->cc_private" which is "lc" but then
the error handling frees "lc" a second time. Set "lc" to NULL on this
path to avoid a double free.
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 , < 283333079d96c84baa91f0c62b5e0cbec246b7a2
(git)
Affected: c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 , < f992bc72f681c32a682d474a29c2135a64d4f4e5 (git) Affected: c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 , < 827c8efa0d1afe817b90f3618afff552e88348d2 (git) Affected: c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 , < bfe011297ddd2d0cd64752978baaa0c04cd20573 (git) Affected: c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 , < 7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2 (git) Affected: c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 , < 694d5b401036a614f8080085a9de6f86ff0742dc (git) Affected: c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 , < 892f41e12c8689130d552a9eb2b77bafd26484ab (git) Affected: c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 , < 8f45f089337d924db24397f55697cda0e6960516 (git) |
|
| Linux | Linux |
Affected:
3.14
Unaffected: 0 , < 3.14 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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