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CERTFR-2026-AVI-0291
Vulnerability from certfr_avis - Published: 2026-03-13 - Updated: 2026-03-13
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et un contournement de la politique de sécurité.
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 | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Debian trixie versions ant\u00e9rieures \u00e0 6.12.74-2",
"product": {
"name": "Debian",
"vendor": {
"name": "Debian",
"scada": false
}
}
},
{
"description": "Debian bookworm versions ant\u00e9rieures \u00e0 6.1.164-1",
"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-2026-23198",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23198"
},
{
"name": "CVE-2026-23202",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23202"
},
{
"name": "CVE-2025-22026",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-22026"
},
{
"name": "CVE-2025-38201",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38201"
},
{
"name": "CVE-2025-23155",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23155"
},
{
"name": "CVE-2026-23220",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23220"
},
{
"name": "CVE-2026-23187",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23187"
},
{
"name": "CVE-2025-37920",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37920"
},
{
"name": "CVE-2025-40251",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40251"
},
{
"name": "CVE-2026-23222",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23222"
},
{
"name": "CVE-2026-23229",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23229"
},
{
"name": "CVE-2026-23209",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23209"
},
{
"name": "CVE-2025-40082",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40082"
},
{
"name": "CVE-2026-23236",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23236"
},
{
"name": "CVE-2025-71235",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71235"
},
{
"name": "CVE-2025-39763",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39763"
},
{
"name": "CVE-2025-71144",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71144"
},
{
"name": "CVE-2025-37822",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37822"
},
{
"name": "CVE-2023-53424",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53424"
},
{
"name": "CVE-2026-23234",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23234"
},
{
"name": "CVE-2026-23230",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23230"
},
{
"name": "CVE-2026-23178",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23178"
},
{
"name": "CVE-2026-23228",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23228"
},
{
"name": "CVE-2026-23169",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23169"
},
{
"name": "CVE-2025-71220",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71220"
},
{
"name": "CVE-2025-68358",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-68358"
},
{
"name": "CVE-2026-23180",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23180"
},
{
"name": "CVE-2026-23216",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23216"
},
{
"name": "CVE-2026-23238",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23238"
},
{
"name": "CVE-2026-23176",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23176"
},
{
"name": "CVE-2025-71089",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71089"
},
{
"name": "CVE-2025-71224",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71224"
},
{
"name": "CVE-2026-23193",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23193"
},
{
"name": "CVE-2025-71237",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71237"
},
{
"name": "CVE-2026-23221",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23221"
},
{
"name": "CVE-2026-23205",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23205"
},
{
"name": "CVE-2025-71222",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71222"
},
{
"name": "CVE-2026-23237",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23237"
},
{
"name": "CVE-2025-71236",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71236"
},
{
"name": "CVE-2026-23235",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23235"
},
{
"name": "CVE-2024-26822",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26822"
},
{
"name": "CVE-2025-71232",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71232"
},
{
"name": "CVE-2026-23182",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23182"
},
{
"name": "CVE-2026-23233",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23233"
},
{
"name": "CVE-2026-23206",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23206"
},
{
"name": "CVE-2024-57895",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-57895"
},
{
"name": "CVE-2026-23112",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23112"
},
{
"name": "CVE-2026-23190",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23190"
},
{
"name": "CVE-2026-23100",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23100"
},
{
"name": "CVE-2025-71233",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71233"
},
{
"name": "CVE-2025-37786",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37786"
},
{
"name": "CVE-2026-23111",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23111"
},
{
"name": "CVE-2025-38643",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38643"
},
{
"name": "CVE-2025-71238",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71238"
}
],
"initial_release_date": "2026-03-13T00:00:00",
"last_revision_date": "2026-03-13T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0291",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-03-13T00:00:00.000000"
}
],
"risks": [
{
"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. 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 un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Debian",
"vendor_advisories": [
{
"published_at": "2026-03-12",
"title": "Bulletin de s\u00e9curit\u00e9 Debian DSA-6163-1",
"url": "https://lists.debian.org/debian-security-announce/2026/msg00071.html"
},
{
"published_at": "2026-03-12",
"title": "Bulletin de s\u00e9curit\u00e9 Debian DSA-6162-1",
"url": "https://lists.debian.org/debian-security-announce/2026/msg00072.html"
}
]
}
CVE-2025-39763 (GCVE-0-2025-39763)
Vulnerability from cvelistv5 – Published: 2025-09-11 16:52 – Updated: 2026-05-23 16:00
VLAI
EPSS
VEX
Title
ACPI: APEI: send SIGBUS to current task if synchronous memory error not recovered
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPI: APEI: send SIGBUS to current task if synchronous memory error not recovered
If a synchronous error is detected as a result of user-space process
triggering a 2-bit uncorrected error, the CPU will take a synchronous
error exception such as Synchronous External Abort (SEA) on Arm64. The
kernel will queue a memory_failure() work which poisons the related
page, unmaps the page, and then sends a SIGBUS to the process, so that
a system wide panic can be avoided.
However, no memory_failure() work will be queued when abnormal
synchronous errors occur. These errors can include situations like
invalid PA, unexpected severity, no memory failure config support,
invalid GUID section, etc. In such a case, the user-space process will
trigger SEA again. This loop can potentially exceed the platform
firmware threshold or even trigger a kernel hard lockup, leading to a
system reboot.
Fix it by performing a force kill if no memory_failure() work is queued
for synchronous errors.
[ rjw: Changelog edits ]
Severity
No CVSS data available.
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462 , < 2fbc85da9ac9386bd89fcc94e0aadaea19d47784
(git)
Affected: 8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462 , < 082735fbcdb6cd0cf20fbec94516ab2996f1cdd5 (git) Affected: 8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462 , < cfc9bc15bda6fd0c496cbe2c628564d4d7c332c1 (git) Affected: 8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462 , < af089e41811a1ad6a7b2b80e839a73ec4c3cecdd (git) Affected: 8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462 , < 3cb4f18797247985b0f51d5300f8cb6c78f343ea (git) Affected: 8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462 , < 79a5ae3c4c5eb7e38e0ebe4d6bf602d296080060 (git) Affected: af02933d59bd1621a48d8b0b331cca9e530ba14b (git) Affected: 5.4.69 , < 5.5 (semver) |
|
| Linux | Linux |
Affected:
5.8
Unaffected: 0 , < 5.8 (semver) Unaffected: 6.1.164 , ≤ 6.1.* (semver) Unaffected: 6.6.103 , ≤ 6.6.* (semver) Unaffected: 6.12.43 , ≤ 6.12.* (semver) Unaffected: 6.15.11 , ≤ 6.15.* (semver) Unaffected: 6.16.2 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/acpi/apei/ghes.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "2fbc85da9ac9386bd89fcc94e0aadaea19d47784",
"status": "affected",
"version": "8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462",
"versionType": "git"
},
{
"lessThan": "082735fbcdb6cd0cf20fbec94516ab2996f1cdd5",
"status": "affected",
"version": "8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462",
"versionType": "git"
},
{
"lessThan": "cfc9bc15bda6fd0c496cbe2c628564d4d7c332c1",
"status": "affected",
"version": "8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462",
"versionType": "git"
},
{
"lessThan": "af089e41811a1ad6a7b2b80e839a73ec4c3cecdd",
"status": "affected",
"version": "8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462",
"versionType": "git"
},
{
"lessThan": "3cb4f18797247985b0f51d5300f8cb6c78f343ea",
"status": "affected",
"version": "8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462",
"versionType": "git"
},
{
"lessThan": "79a5ae3c4c5eb7e38e0ebe4d6bf602d296080060",
"status": "affected",
"version": "8fcc4ae6faf8b455eeef00bc9ae70744e3b0f462",
"versionType": "git"
},
{
"status": "affected",
"version": "af02933d59bd1621a48d8b0b331cca9e530ba14b",
"versionType": "git"
},
{
"lessThan": "5.5",
"status": "affected",
"version": "5.4.69",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/acpi/apei/ghes.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.8"
},
{
"lessThan": "5.8",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.164",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.103",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.43",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.15.*",
"status": "unaffected",
"version": "6.15.11",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.16.*",
"status": "unaffected",
"version": "6.16.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.164",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.103",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.43",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.15.11",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.16.2",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.4.69",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: APEI: send SIGBUS to current task if synchronous memory error not recovered\n\nIf a synchronous error is detected as a result of user-space process\ntriggering a 2-bit uncorrected error, the CPU will take a synchronous\nerror exception such as Synchronous External Abort (SEA) on Arm64. The\nkernel will queue a memory_failure() work which poisons the related\npage, unmaps the page, and then sends a SIGBUS to the process, so that\na system wide panic can be avoided.\n\nHowever, no memory_failure() work will be queued when abnormal\nsynchronous errors occur. These errors can include situations like\ninvalid PA, unexpected severity, no memory failure config support,\ninvalid GUID section, etc. In such a case, the user-space process will\ntrigger SEA again. This loop can potentially exceed the platform\nfirmware threshold or even trigger a kernel hard lockup, leading to a\nsystem reboot.\n\nFix it by performing a force kill if no memory_failure() work is queued\nfor synchronous errors.\n\n[ rjw: Changelog edits ]"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-23T16:00:39.327Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/2fbc85da9ac9386bd89fcc94e0aadaea19d47784"
},
{
"url": "https://git.kernel.org/stable/c/082735fbcdb6cd0cf20fbec94516ab2996f1cdd5"
},
{
"url": "https://git.kernel.org/stable/c/cfc9bc15bda6fd0c496cbe2c628564d4d7c332c1"
},
{
"url": "https://git.kernel.org/stable/c/af089e41811a1ad6a7b2b80e839a73ec4c3cecdd"
},
{
"url": "https://git.kernel.org/stable/c/3cb4f18797247985b0f51d5300f8cb6c78f343ea"
},
{
"url": "https://git.kernel.org/stable/c/79a5ae3c4c5eb7e38e0ebe4d6bf602d296080060"
}
],
"title": "ACPI: APEI: send SIGBUS to current task if synchronous memory error not recovered",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-39763",
"datePublished": "2025-09-11T16:52:31.350Z",
"dateReserved": "2025-04-16T07:20:57.126Z",
"dateUpdated": "2026-05-23T16:00:39.327Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-40082 (GCVE-0-2025-40082)
Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-10-15 22:02
VLAI
EPSS
VEX
Title
hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc()
Summary
In the Linux kernel, the following vulnerability has been resolved:
hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc()
BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0xa71/0xb90 fs/hfsplus/unicode.c:186
Read of size 2 at addr ffff8880289ef218 by task syz.6.248/14290
CPU: 0 UID: 0 PID: 14290 Comm: syz.6.248 Not tainted 6.16.4 #1 PREEMPT(full)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1b0 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xca/0x5f0 mm/kasan/report.c:482
kasan_report+0xca/0x100 mm/kasan/report.c:595
hfsplus_uni2asc+0xa71/0xb90 fs/hfsplus/unicode.c:186
hfsplus_listxattr+0x5b6/0xbd0 fs/hfsplus/xattr.c:738
vfs_listxattr+0xbe/0x140 fs/xattr.c:493
listxattr+0xee/0x190 fs/xattr.c:924
filename_listxattr fs/xattr.c:958 [inline]
path_listxattrat+0x143/0x360 fs/xattr.c:988
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcb/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe0e9fae16d
Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 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 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe0eae67f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000c3
RAX: ffffffffffffffda RBX: 00007fe0ea205fa0 RCX: 00007fe0e9fae16d
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007fe0ea0480f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe0ea206038 R14: 00007fe0ea205fa0 R15: 00007fe0eae48000
</TASK>
Allocated by task 14290:
kasan_save_stack+0x24/0x50 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4333 [inline]
__kmalloc_noprof+0x219/0x540 mm/slub.c:4345
kmalloc_noprof include/linux/slab.h:909 [inline]
hfsplus_find_init+0x95/0x1f0 fs/hfsplus/bfind.c:21
hfsplus_listxattr+0x331/0xbd0 fs/hfsplus/xattr.c:697
vfs_listxattr+0xbe/0x140 fs/xattr.c:493
listxattr+0xee/0x190 fs/xattr.c:924
filename_listxattr fs/xattr.c:958 [inline]
path_listxattrat+0x143/0x360 fs/xattr.c:988
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcb/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
When hfsplus_uni2asc is called from hfsplus_listxattr,
it actually passes in a struct hfsplus_attr_unistr*.
The size of the corresponding structure is different from that of hfsplus_unistr,
so the previous fix (94458781aee6) is insufficient.
The pointer on the unicode buffer is still going beyond the allocated memory.
This patch introduces two warpper functions hfsplus_uni2asc_xattr_str and
hfsplus_uni2asc_str to process two unicode buffers,
struct hfsplus_attr_unistr* and struct hfsplus_unistr* respectively.
When ustrlen value is bigger than the allocated memory size,
the ustrlen value is limited to an safe size.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 21:56 UTC
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
ccf0ad56a779e6704c0b27f555dec847f50c7557 , < 343fe375a8dd6ee51a193a1c233b999f5ea4d479
(git)
Affected: 13604b1d7e7b125fb428cddbec6b8d92baad25d5 , < 782acde47e127c98a113726e2ff8024bd65c0454 (git) Affected: 291bb5d931c6f3cd7227b913302a17be21cf53b0 , < c3db89ea1ed3d540eebe8f3c36e806fb75ee4a1e (git) Affected: f7534cbfac0a9ffa4fa17cacc6e8b6446dae24ee , < 5b5228964619b180f366940505b77255b1a03929 (git) Affected: 94458781aee6045bd3d0ad4b80b02886b9e2219b , < 857aefc70d4ae3b9bf1ae67434d27d0f79f80c9e (git) Affected: 94458781aee6045bd3d0ad4b80b02886b9e2219b , < bea3e1d4467bcf292c8e54f080353d556d355e26 (git) Affected: 73f7da507d787b489761a0fa280716f84fa32b2f (git) Affected: 76a4c6636a69d69409aa253b049b1be717a539c5 (git) Affected: 6f93694bcbc2c2ab3e01cd8fba2f296faf34e6b9 (git) Affected: 1ca69007e52a73bd8b84b988b61b319816ca8b01 (git) Affected: 5.15.190 , < 5.15.200 (semver) Affected: 6.1.149 , < 6.1.163 (semver) Affected: 6.6.103 , < 6.6.124 (semver) Affected: 6.12.43 , < 6.12.70 (semver) Affected: 5.4.297 , < 5.5 (semver) Affected: 5.10.241 , < 5.11 (semver) Affected: 6.15.11 , < 6.16 (semver) Affected: 6.16.2 , < 6.17 (semver) |
|
| Linux | Linux |
Affected:
6.17
Unaffected: 0 , < 6.17 (semver) Unaffected: 5.15.200 , ≤ 5.15.* (semver) Unaffected: 6.1.163 , ≤ 6.1.* (semver) Unaffected: 6.6.124 , ≤ 6.6.* (semver) Unaffected: 6.12.70 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-40082",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-15T21:56:46.761364Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-15T22:02:37.613Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/hfsplus/dir.c",
"fs/hfsplus/hfsplus_fs.h",
"fs/hfsplus/unicode.c",
"fs/hfsplus/xattr.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "343fe375a8dd6ee51a193a1c233b999f5ea4d479",
"status": "affected",
"version": "ccf0ad56a779e6704c0b27f555dec847f50c7557",
"versionType": "git"
},
{
"lessThan": "782acde47e127c98a113726e2ff8024bd65c0454",
"status": "affected",
"version": "13604b1d7e7b125fb428cddbec6b8d92baad25d5",
"versionType": "git"
},
{
"lessThan": "c3db89ea1ed3d540eebe8f3c36e806fb75ee4a1e",
"status": "affected",
"version": "291bb5d931c6f3cd7227b913302a17be21cf53b0",
"versionType": "git"
},
{
"lessThan": "5b5228964619b180f366940505b77255b1a03929",
"status": "affected",
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"versionType": "git"
},
{
"lessThan": "857aefc70d4ae3b9bf1ae67434d27d0f79f80c9e",
"status": "affected",
"version": "94458781aee6045bd3d0ad4b80b02886b9e2219b",
"versionType": "git"
},
{
"lessThan": "bea3e1d4467bcf292c8e54f080353d556d355e26",
"status": "affected",
"version": "94458781aee6045bd3d0ad4b80b02886b9e2219b",
"versionType": "git"
},
{
"status": "affected",
"version": "73f7da507d787b489761a0fa280716f84fa32b2f",
"versionType": "git"
},
{
"status": "affected",
"version": "76a4c6636a69d69409aa253b049b1be717a539c5",
"versionType": "git"
},
{
"status": "affected",
"version": "6f93694bcbc2c2ab3e01cd8fba2f296faf34e6b9",
"versionType": "git"
},
{
"status": "affected",
"version": "1ca69007e52a73bd8b84b988b61b319816ca8b01",
"versionType": "git"
},
{
"lessThan": "5.15.200",
"status": "affected",
"version": "5.15.190",
"versionType": "semver"
},
{
"lessThan": "6.1.163",
"status": "affected",
"version": "6.1.149",
"versionType": "semver"
},
{
"lessThan": "6.6.124",
"status": "affected",
"version": "6.6.103",
"versionType": "semver"
},
{
"lessThan": "6.12.70",
"status": "affected",
"version": "6.12.43",
"versionType": "semver"
},
{
"lessThan": "5.5",
"status": "affected",
"version": "5.4.297",
"versionType": "semver"
},
{
"lessThan": "5.11",
"status": "affected",
"version": "5.10.241",
"versionType": "semver"
},
{
"lessThan": "6.16",
"status": "affected",
"version": "6.15.11",
"versionType": "semver"
},
{
"lessThan": "6.17",
"status": "affected",
"version": "6.16.2",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/hfsplus/dir.c",
"fs/hfsplus/hfsplus_fs.h",
"fs/hfsplus/unicode.c",
"fs/hfsplus/xattr.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.17"
},
{
"lessThan": "6.17",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.200",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.163",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.124",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.70",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.17.*",
"status": "unaffected",
"version": "6.17.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.200",
"versionStartIncluding": "5.15.190",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.163",
"versionStartIncluding": "6.1.149",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.124",
"versionStartIncluding": "6.6.103",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.70",
"versionStartIncluding": "6.12.43",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17.3",
"versionStartIncluding": "6.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18",
"versionStartIncluding": "6.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.4.297",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10.241",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.15.11",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.16.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc()\n\nBUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0xa71/0xb90 fs/hfsplus/unicode.c:186\nRead of size 2 at addr ffff8880289ef218 by task syz.6.248/14290\n\nCPU: 0 UID: 0 PID: 14290 Comm: syz.6.248 Not tainted 6.16.4 #1 PREEMPT(full)\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x116/0x1b0 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xca/0x5f0 mm/kasan/report.c:482\n kasan_report+0xca/0x100 mm/kasan/report.c:595\n hfsplus_uni2asc+0xa71/0xb90 fs/hfsplus/unicode.c:186\n hfsplus_listxattr+0x5b6/0xbd0 fs/hfsplus/xattr.c:738\n vfs_listxattr+0xbe/0x140 fs/xattr.c:493\n listxattr+0xee/0x190 fs/xattr.c:924\n filename_listxattr fs/xattr.c:958 [inline]\n path_listxattrat+0x143/0x360 fs/xattr.c:988\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcb/0x4c0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fe0e9fae16d\nCode: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 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 c7 c1 a8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fe0eae67f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000c3\nRAX: ffffffffffffffda RBX: 00007fe0ea205fa0 RCX: 00007fe0e9fae16d\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000\nRBP: 00007fe0ea0480f0 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007fe0ea206038 R14: 00007fe0ea205fa0 R15: 00007fe0eae48000\n \u003c/TASK\u003e\n\nAllocated by task 14290:\n kasan_save_stack+0x24/0x50 mm/kasan/common.c:47\n kasan_save_track+0x14/0x30 mm/kasan/common.c:68\n poison_kmalloc_redzone mm/kasan/common.c:377 [inline]\n __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394\n kasan_kmalloc include/linux/kasan.h:260 [inline]\n __do_kmalloc_node mm/slub.c:4333 [inline]\n __kmalloc_noprof+0x219/0x540 mm/slub.c:4345\n kmalloc_noprof include/linux/slab.h:909 [inline]\n hfsplus_find_init+0x95/0x1f0 fs/hfsplus/bfind.c:21\n hfsplus_listxattr+0x331/0xbd0 fs/hfsplus/xattr.c:697\n vfs_listxattr+0xbe/0x140 fs/xattr.c:493\n listxattr+0xee/0x190 fs/xattr.c:924\n filename_listxattr fs/xattr.c:958 [inline]\n path_listxattrat+0x143/0x360 fs/xattr.c:988\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcb/0x4c0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nWhen hfsplus_uni2asc is called from hfsplus_listxattr,\nit actually passes in a struct hfsplus_attr_unistr*.\nThe size of the corresponding structure is different from that of hfsplus_unistr,\nso the previous fix (94458781aee6) is insufficient.\nThe pointer on the unicode buffer is still going beyond the allocated memory.\n\nThis patch introduces two warpper functions hfsplus_uni2asc_xattr_str and\nhfsplus_uni2asc_str to process two unicode buffers,\nstruct hfsplus_attr_unistr* and struct hfsplus_unistr* respectively.\nWhen ustrlen value is bigger than the allocated memory size,\nthe ustrlen value is limited to an safe size."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.1,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The attacker-controlled input is an on-disk HFS+ attributes B-tree key, and the vulnerable conversion is reached through the ordinary local `listxattr()`/`llistxattr()` syscall on a mounted volume; there is no network or remote-peer input path. Local rather than Physical because the volume can be attached locally via a loop device and the trigger is a plain local syscall.\nAC:L - The `length` field of the `hfsplus_attr_unistr` key name is written verbatim by the attacker in the crafted image and was clamped to 255 instead of 127, so the 256-byte overread fires deterministically on the first `listxattr()` call. No race, no heap grooming, and no condition outside the attacker\u0027s control.\nPR:L - Nothing on the `path_listxattrat` \u2192 `vfs_listxattr` \u2192 `hfsplus_listxattr` \u2192 `hfsplus_uni2asc` path performs any capability check \u2014 the only `capable(CAP_SYS_ADMIN)` test (`can_list()`) runs after the out-of-bounds conversion and merely filters `trusted.*` names. Any unprivileged local user who can traverse an HFS+ volume (e.g. one udisks2-automounted from attacker-supplied removable media) triggers it.\nUI:N - In the automount/kiosk scenario the volume is mounted by the system on device insertion with no victim action, and the attacker then issues the `listxattr()` himself; likewise an attacker with loop-mount access performs every step. Choosing the higher-severity option where the mount could otherwise be attributed to a victim.\nS:U - The out-of-bounds read, the leaked bytes, and any resulting fault all stay within the kernel\u0027s own security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - This is not a bounded few-byte read: up to 256 bytes past the `kzalloc(536)` key allocation are consumed, NLS-converted into `strbuf`, and copied out to userspace by `copy_name()` plus the `copy_to_user()` in `listxattr()`, giving a direct kernel-heap disclosure channel rather than a mere oracle. On slub_debug/KASAN/KFENCE and hardened configurations those bytes are live redzone/stale slab content adjacent to the allocation.\nI:N - `hfsplus_uni2asc()` only dereferences and converts the input; the output writes are bounded by `*len_p` via `nls-\u003euni2char()` returning `-ENAMETOOLONG`. There is no out-of-bounds write, no type confusion, and no mechanism to modify kernel memory or hijack control flow.\nA:H - The slab out-of-bounds read is a guaranteed KASAN/KFENCE report and, with `panic_on_warn`/`panic_on_oops`, a kernel panic; where the overread crosses a KFENCE guard page it faults outright. It also leaves the xattr listing returning `-EIO`/garbage, rendering the volume\u0027s attribute handling unusable, and is repeatable at will by an unprivileged user."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T12:07:37.878Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/343fe375a8dd6ee51a193a1c233b999f5ea4d479"
},
{
"url": "https://git.kernel.org/stable/c/782acde47e127c98a113726e2ff8024bd65c0454"
},
{
"url": "https://git.kernel.org/stable/c/c3db89ea1ed3d540eebe8f3c36e806fb75ee4a1e"
},
{
"url": "https://git.kernel.org/stable/c/5b5228964619b180f366940505b77255b1a03929"
},
{
"url": "https://git.kernel.org/stable/c/857aefc70d4ae3b9bf1ae67434d27d0f79f80c9e"
},
{
"url": "https://git.kernel.org/stable/c/bea3e1d4467bcf292c8e54f080353d556d355e26"
}
],
"title": "hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-40082",
"datePublished": "2025-10-28T11:48:45.975Z",
"dateReserved": "2025-04-16T07:20:57.161Z",
"dateUpdated": "2026-10-15T22:02:37.613Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-40251 (GCVE-0-2025-40251)
Vulnerability from cvelistv5 – Published: 2025-12-04 16:08 – Updated: 2026-08-05 12:08
VLAI
EPSS
VEX
Title
devlink: rate: Unset parent pointer in devl_rate_nodes_destroy
Summary
In the Linux kernel, the following vulnerability has been resolved:
devlink: rate: Unset parent pointer in devl_rate_nodes_destroy
The function devl_rate_nodes_destroy is documented to "Unset parent for
all rate objects". However, it was only calling the driver-specific
`rate_leaf_parent_set` or `rate_node_parent_set` ops and decrementing
the parent's refcount, without actually setting the
`devlink_rate->parent` pointer to NULL.
This leaves a dangling pointer in the `devlink_rate` struct, which cause
refcount error in netdevsim[1] and mlx5[2]. In addition, this is
inconsistent with the behavior of `devlink_nl_rate_parent_node_set`,
where the parent pointer is correctly cleared.
This patch fixes the issue by explicitly setting `devlink_rate->parent`
to NULL after notifying the driver, thus fulfilling the function's
documented behavior for all rate objects.
[1]
repro steps:
echo 1 > /sys/bus/netdevsim/new_device
devlink dev eswitch set netdevsim/netdevsim1 mode switchdev
echo 1 > /sys/bus/netdevsim/devices/netdevsim1/sriov_numvfs
devlink port function rate add netdevsim/netdevsim1/test_node
devlink port function rate set netdevsim/netdevsim1/128 parent test_node
echo 1 > /sys/bus/netdevsim/del_device
dmesg:
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 8 PID: 1530 at lib/refcount.c:31 refcount_warn_saturate+0x42/0xe0
CPU: 8 UID: 0 PID: 1530 Comm: bash Not tainted 6.18.0-rc4+ #1 NONE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:refcount_warn_saturate+0x42/0xe0
Call Trace:
<TASK>
devl_rate_leaf_destroy+0x8d/0x90
__nsim_dev_port_del+0x6c/0x70 [netdevsim]
nsim_dev_reload_destroy+0x11c/0x140 [netdevsim]
nsim_drv_remove+0x2b/0xb0 [netdevsim]
device_release_driver_internal+0x194/0x1f0
bus_remove_device+0xc6/0x130
device_del+0x159/0x3c0
device_unregister+0x1a/0x60
del_device_store+0x111/0x170 [netdevsim]
kernfs_fop_write_iter+0x12e/0x1e0
vfs_write+0x215/0x3d0
ksys_write+0x5f/0xd0
do_syscall_64+0x55/0x10f0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
[2]
devlink dev eswitch set pci/0000:08:00.0 mode switchdev
devlink port add pci/0000:08:00.0 flavour pcisf pfnum 0 sfnum 1000
devlink port function rate add pci/0000:08:00.0/group1
devlink port function rate set pci/0000:08:00.0/32768 parent group1
modprobe -r mlx5_ib mlx5_fwctl mlx5_core
dmesg:
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 7 PID: 16151 at lib/refcount.c:31 refcount_warn_saturate+0x42/0xe0
CPU: 7 UID: 0 PID: 16151 Comm: bash Not tainted 6.17.0-rc7_for_upstream_min_debug_2025_10_02_12_44 #1 NONE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
RIP: 0010:refcount_warn_saturate+0x42/0xe0
Call Trace:
<TASK>
devl_rate_leaf_destroy+0x8d/0x90
mlx5_esw_offloads_devlink_port_unregister+0x33/0x60 [mlx5_core]
mlx5_esw_offloads_unload_rep+0x3f/0x50 [mlx5_core]
mlx5_eswitch_unload_sf_vport+0x40/0x90 [mlx5_core]
mlx5_sf_esw_event+0xc4/0x120 [mlx5_core]
notifier_call_chain+0x33/0xa0
blocking_notifier_call_chain+0x3b/0x50
mlx5_eswitch_disable_locked+0x50/0x110 [mlx5_core]
mlx5_eswitch_disable+0x63/0x90 [mlx5_core]
mlx5_unload+0x1d/0x170 [mlx5_core]
mlx5_uninit_one+0xa2/0x130 [mlx5_core]
remove_one+0x78/0xd0 [mlx5_core]
pci_device_remove+0x39/0xa0
device_release_driver_internal+0x194/0x1f0
unbind_store+0x99/0xa0
kernfs_fop_write_iter+0x12e/0x1e0
vfs_write+0x215/0x3d0
ksys_write+0x5f/0xd0
do_syscall_64+0x53/0x1f0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 20:41 UTC
Assigner
References
6 references
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
d7555984507822458b32a6405881038241d140be , < 90e51e20bcec9bff5b2421ce1bd95704764655f5
(git)
Affected: d7555984507822458b32a6405881038241d140be , < 715d9cda646a8a38ea8b2bb5afb679a7464055e2 (git) Affected: d7555984507822458b32a6405881038241d140be , < c70df6c17d389cc743f0eb30160e2d6bc6910db8 (git) Affected: d7555984507822458b32a6405881038241d140be , < 542f45486f1ce2d2dde75bd85aca0389ef7046c3 (git) Affected: d7555984507822458b32a6405881038241d140be , < f94c1a114ac209977bdf5ca841b98424295ab1f0 (git) |
|
| Linux | Linux |
Affected:
5.14
Unaffected: 0 , < 5.14 (semver) Unaffected: 6.1.164 , ≤ 6.1.* (semver) Unaffected: 6.6.118 , ≤ 6.6.* (semver) Unaffected: 6.12.60 , ≤ 6.12.* (semver) Unaffected: 6.17.10 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
|
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V4.0
(custom)
|
{
"containers": {
"adp": [
{
"affected": [
{
"defaultStatus": "unknown",
"product": "RUGGEDCOM RST2428P",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V4.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-02T13:00:01.139Z",
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-253495.html"
}
],
"x_adpType": "supplier"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-40251",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-10T20:41:14.789338Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-11T18:44:10.307Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/devlink/rate.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "90e51e20bcec9bff5b2421ce1bd95704764655f5",
"status": "affected",
"version": "d7555984507822458b32a6405881038241d140be",
"versionType": "git"
},
{
"lessThan": "715d9cda646a8a38ea8b2bb5afb679a7464055e2",
"status": "affected",
"version": "d7555984507822458b32a6405881038241d140be",
"versionType": "git"
},
{
"lessThan": "c70df6c17d389cc743f0eb30160e2d6bc6910db8",
"status": "affected",
"version": "d7555984507822458b32a6405881038241d140be",
"versionType": "git"
},
{
"lessThan": "542f45486f1ce2d2dde75bd85aca0389ef7046c3",
"status": "affected",
"version": "d7555984507822458b32a6405881038241d140be",
"versionType": "git"
},
{
"lessThan": "f94c1a114ac209977bdf5ca841b98424295ab1f0",
"status": "affected",
"version": "d7555984507822458b32a6405881038241d140be",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.14"
},
{
"lessThan": "5.14",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.164",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.118",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.60",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.17.*",
"status": "unaffected",
"version": "6.17.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.164",
"versionStartIncluding": "5.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.118",
"versionStartIncluding": "5.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.60",
"versionStartIncluding": "5.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17.10",
"versionStartIncluding": "5.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18",
"versionStartIncluding": "5.14",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndevlink: rate: Unset parent pointer in devl_rate_nodes_destroy\n\nThe function devl_rate_nodes_destroy is documented to \"Unset parent for\nall rate objects\". However, it was only calling the driver-specific\n`rate_leaf_parent_set` or `rate_node_parent_set` ops and decrementing\nthe parent\u0027s refcount, without actually setting the\n`devlink_rate-\u003eparent` pointer to NULL.\n\nThis leaves a dangling pointer in the `devlink_rate` struct, which cause\nrefcount error in netdevsim[1] and mlx5[2]. In addition, this is\ninconsistent with the behavior of `devlink_nl_rate_parent_node_set`,\nwhere the parent pointer is correctly cleared.\n\nThis patch fixes the issue by explicitly setting `devlink_rate-\u003eparent`\nto NULL after notifying the driver, thus fulfilling the function\u0027s\ndocumented behavior for all rate objects.\n\n[1]\nrepro steps:\necho 1 \u003e /sys/bus/netdevsim/new_device\ndevlink dev eswitch set netdevsim/netdevsim1 mode switchdev\necho 1 \u003e /sys/bus/netdevsim/devices/netdevsim1/sriov_numvfs\ndevlink port function rate add netdevsim/netdevsim1/test_node\ndevlink port function rate set netdevsim/netdevsim1/128 parent test_node\necho 1 \u003e /sys/bus/netdevsim/del_device\n\ndmesg:\nrefcount_t: decrement hit 0; leaking memory.\nWARNING: CPU: 8 PID: 1530 at lib/refcount.c:31 refcount_warn_saturate+0x42/0xe0\nCPU: 8 UID: 0 PID: 1530 Comm: bash Not tainted 6.18.0-rc4+ #1 NONE\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nRIP: 0010:refcount_warn_saturate+0x42/0xe0\nCall Trace:\n \u003cTASK\u003e\n devl_rate_leaf_destroy+0x8d/0x90\n __nsim_dev_port_del+0x6c/0x70 [netdevsim]\n nsim_dev_reload_destroy+0x11c/0x140 [netdevsim]\n nsim_drv_remove+0x2b/0xb0 [netdevsim]\n device_release_driver_internal+0x194/0x1f0\n bus_remove_device+0xc6/0x130\n device_del+0x159/0x3c0\n device_unregister+0x1a/0x60\n del_device_store+0x111/0x170 [netdevsim]\n kernfs_fop_write_iter+0x12e/0x1e0\n vfs_write+0x215/0x3d0\n ksys_write+0x5f/0xd0\n do_syscall_64+0x55/0x10f0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n\n[2]\ndevlink dev eswitch set pci/0000:08:00.0 mode switchdev\ndevlink port add pci/0000:08:00.0 flavour pcisf pfnum 0 sfnum 1000\ndevlink port function rate add pci/0000:08:00.0/group1\ndevlink port function rate set pci/0000:08:00.0/32768 parent group1\nmodprobe -r mlx5_ib mlx5_fwctl mlx5_core\n\ndmesg:\nrefcount_t: decrement hit 0; leaking memory.\nWARNING: CPU: 7 PID: 16151 at lib/refcount.c:31 refcount_warn_saturate+0x42/0xe0\nCPU: 7 UID: 0 PID: 16151 Comm: bash Not tainted 6.17.0-rc7_for_upstream_min_debug_2025_10_02_12_44 #1 NONE\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014\nRIP: 0010:refcount_warn_saturate+0x42/0xe0\nCall Trace:\n \u003cTASK\u003e\n devl_rate_leaf_destroy+0x8d/0x90\n mlx5_esw_offloads_devlink_port_unregister+0x33/0x60 [mlx5_core]\n mlx5_esw_offloads_unload_rep+0x3f/0x50 [mlx5_core]\n mlx5_eswitch_unload_sf_vport+0x40/0x90 [mlx5_core]\n mlx5_sf_esw_event+0xc4/0x120 [mlx5_core]\n notifier_call_chain+0x33/0xa0\n blocking_notifier_call_chain+0x3b/0x50\n mlx5_eswitch_disable_locked+0x50/0x110 [mlx5_core]\n mlx5_eswitch_disable+0x63/0x90 [mlx5_core]\n mlx5_unload+0x1d/0x170 [mlx5_core]\n mlx5_uninit_one+0xa2/0x130 [mlx5_core]\n remove_one+0x78/0xd0 [mlx5_core]\n pci_device_remove+0x39/0xa0\n device_release_driver_internal+0x194/0x1f0\n unbind_store+0x99/0xa0\n kernfs_fop_write_iter+0x12e/0x1e0\n vfs_write+0x215/0x3d0\n ksys_write+0x5f/0xd0\n do_syscall_64+0x53/0x1f0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The dangling `devlink_rate-\u003eparent` is dereferenced from the devlink generic-netlink interface (`DEVLINK_CMD_RATE_GET` dump) and from local device/eswitch reconfiguration paths reached via netlink and sysfs. No network packet processing is involved, so this is local-only.\nAC:L - Once `devl_rate_nodes_destroy()` runs (SR-IOV teardown, eswitch mode change, driver reload \u2014 routine in SR-IOV/DPU cloud hosts), the stale parent pointer persists in surviving leaf rate objects, so there is no race to win: the attacker sprays the 120-byte kmalloc-128 slot and then deterministically triggers the deref with an unprivileged `devlink port function rate show`. The reproducers in the commit message are deterministic one-shot command sequences.\nPR:L - The vulnerable dereference sites \u2014 `devlink_nl_rate_fill()` reading `devlink_rate-\u003eparent-\u003ename` and emitting it to userspace \u2014 sit behind `DEVLINK_CMD_RATE_GET`, which carries only `GENL_CMD_CAP_DO|DUMP` with no `GENL_ADMIN_PERM` and no family-level gate, so an ordinary unprivileged local user reaches the freed object and obtains the read primitive. Only the state-creating teardown needs CAP_NET_ADMIN, and that occurs as routine orchestration activity on the affected mlx5/ice/netdevsim hosts.\nUI:N - No victim must open a file, mount a filesystem, or interact in any way; the attacker issues the netlink dump (or the whole command sequence) themselves. Exploitation completes entirely within attacker-issued syscalls.\nS:U - The use-after-free read and write are confined to kernel slab memory under the same security authority as the kernel itself. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - `nla_put_string(msg, DEVLINK_ATTR_RATE_PARENT_NODE_NAME, devlink_rate-\u003eparent-\u003ename)` loads a pointer from offset 64 of the freed `struct devlink_rate` and copies the string it points at back to userspace; after reclaiming the kmalloc-128 slot with controlled data this is an unbounded arbitrary kernel-memory read delivered over an unprivileged netlink dump.\nI:H - `devl_rate_leaf_destroy()` performs `refcount_dec()` on offset 72 of the freed object, giving a controlled decrement primitive against whatever kmalloc-128 object reclaims the slot \u2014 dropping a live object\u0027s refcount to zero yields a second use-after-free and the standard heap-spray path to arbitrary write and control-flow hijack.\nA:H - Even without reclamation the bug reliably produces `refcount_warn_saturate` WARNINGs (\"decrement hit 0; leaking memory\") as shown in both netdevsim and mlx5 traces, which panic the box under `panic_on_warn`; with a reclaimed slot the corrupted refcount causes premature frees, slab corruption, and oops on the subsequent dangling-pointer string dereference."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T12:08:53.761Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/90e51e20bcec9bff5b2421ce1bd95704764655f5"
},
{
"url": "https://git.kernel.org/stable/c/715d9cda646a8a38ea8b2bb5afb679a7464055e2"
},
{
"url": "https://git.kernel.org/stable/c/c70df6c17d389cc743f0eb30160e2d6bc6910db8"
},
{
"url": "https://git.kernel.org/stable/c/542f45486f1ce2d2dde75bd85aca0389ef7046c3"
},
{
"url": "https://git.kernel.org/stable/c/f94c1a114ac209977bdf5ca841b98424295ab1f0"
}
],
"title": "devlink: rate: Unset parent pointer in devl_rate_nodes_destroy",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-40251",
"datePublished": "2025-12-04T16:08:13.710Z",
"dateReserved": "2025-04-16T07:20:57.181Z",
"dateUpdated": "2026-08-05T12:08:53.761Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-68358 (GCVE-0-2025-68358)
Vulnerability from cvelistv5 – Published: 2025-12-24 10:32 – Updated: 2026-05-11 21:51
VLAI
EPSS
VEX
Title
btrfs: fix racy bitfield write in btrfs_clear_space_info_full()
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix racy bitfield write in btrfs_clear_space_info_full()
From the memory-barriers.txt document regarding memory barrier ordering
guarantees:
(*) These guarantees do not apply to bitfields, because compilers often
generate code to modify these using non-atomic read-modify-write
sequences. Do not attempt to use bitfields to synchronize parallel
algorithms.
(*) Even in cases where bitfields are protected by locks, all fields
in a given bitfield must be protected by one lock. If two fields
in a given bitfield are protected by different locks, the compiler's
non-atomic read-modify-write sequences can cause an update to one
field to corrupt the value of an adjacent field.
btrfs_space_info has a bitfield sharing an underlying word consisting of
the fields full, chunk_alloc, and flush:
struct btrfs_space_info {
struct btrfs_fs_info * fs_info; /* 0 8 */
struct btrfs_space_info * parent; /* 8 8 */
...
int clamp; /* 172 4 */
unsigned int full:1; /* 176: 0 4 */
unsigned int chunk_alloc:1; /* 176: 1 4 */
unsigned int flush:1; /* 176: 2 4 */
...
Therefore, to be safe from parallel read-modify-writes losing a write to
one of the bitfield members protected by a lock, all writes to all the
bitfields must use the lock. They almost universally do, except for
btrfs_clear_space_info_full() which iterates over the space_infos and
writes out found->full = 0 without a lock.
Imagine that we have one thread completing a transaction in which we
finished deleting a block_group and are thus calling
btrfs_clear_space_info_full() while simultaneously the data reclaim
ticket infrastructure is running do_async_reclaim_data_space():
T1 T2
btrfs_commit_transaction
btrfs_clear_space_info_full
data_sinfo->full = 0
READ: full:0, chunk_alloc:0, flush:1
do_async_reclaim_data_space(data_sinfo)
spin_lock(&space_info->lock);
if(list_empty(tickets))
space_info->flush = 0;
READ: full: 0, chunk_alloc:0, flush:1
MOD/WRITE: full: 0, chunk_alloc:0, flush:0
spin_unlock(&space_info->lock);
return;
MOD/WRITE: full:0, chunk_alloc:0, flush:1
and now data_sinfo->flush is 1 but the reclaim worker has exited. This
breaks the invariant that flush is 0 iff there is no work queued or
running. Once this invariant is violated, future allocations that go
into __reserve_bytes() will add tickets to space_info->tickets but will
see space_info->flush is set to 1 and not queue the work. After this,
they will block forever on the resulting ticket, as it is now impossible
to kick the worker again.
I also confirmed by looking at the assembly of the affected kernel that
it is doing RMW operations. For example, to set the flush (3rd) bit to 0,
the assembly is:
andb $0xfb,0x60(%rbx)
and similarly for setting the full (1st) bit to 0:
andb $0xfe,-0x20(%rax)
So I think this is really a bug on practical systems. I have observed
a number of systems in this exact state, but am currently unable to
reproduce it.
Rather than leaving this footgun lying around for the future, take
advantage of the fact that there is room in the struct anyway, and that
it is already quite large and simply change the three bitfield members to
bools. This avoids writes to space_info->full having any effect on
---truncated---
Severity
No CVSS data available.
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
957780eb2788d8c218d539e19a85653f51a96dc1 , < b0bb67385480a3aa4c54b139e4f371ddd06b5150
(git)
Affected: 957780eb2788d8c218d539e19a85653f51a96dc1 , < 55835646da78e83e7ad06abd741ca8fd8c0b0ea7 (git) Affected: 957780eb2788d8c218d539e19a85653f51a96dc1 , < d4a81b8ec639895999275ea2472c69825cd67ea4 (git) Affected: 957780eb2788d8c218d539e19a85653f51a96dc1 , < db4ae18e1b31e0421fb5312e56aefa382bbc6ece (git) Affected: 957780eb2788d8c218d539e19a85653f51a96dc1 , < 6f442808a86eef847ee10afa9e6459494ed85bb3 (git) Affected: 957780eb2788d8c218d539e19a85653f51a96dc1 , < 742b90eaf394f0018352c0e10dc89763b2dd5267 (git) Affected: 957780eb2788d8c218d539e19a85653f51a96dc1 , < 38e818718c5e04961eea0fa8feff3f100ce40408 (git) |
|
| Linux | Linux |
Affected:
4.8
Unaffected: 0 , < 4.8 (semver) Unaffected: 5.15.201 , ≤ 5.15.* (semver) Unaffected: 6.1.164 , ≤ 6.1.* (semver) Unaffected: 6.6.124 , ≤ 6.6.* (semver) Unaffected: 6.12.68 , ≤ 6.12.* (semver) Unaffected: 6.17.13 , ≤ 6.17.* (semver) Unaffected: 6.18.2 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix racy bitfield write in btrfs_clear_space_info_full()\n\nFrom the memory-barriers.txt document regarding memory barrier ordering\nguarantees:\n\n (*) These guarantees do not apply to bitfields, because compilers often\n generate code to modify these using non-atomic read-modify-write\n sequences. Do not attempt to use bitfields to synchronize parallel\n algorithms.\n\n (*) Even in cases where bitfields are protected by locks, all fields\n in a given bitfield must be protected by one lock. If two fields\n in a given bitfield are protected by different locks, the compiler\u0027s\n non-atomic read-modify-write sequences can cause an update to one\n field to corrupt the value of an adjacent field.\n\nbtrfs_space_info has a bitfield sharing an underlying word consisting of\nthe fields full, chunk_alloc, and flush:\n\nstruct btrfs_space_info {\n struct btrfs_fs_info * fs_info; /* 0 8 */\n struct btrfs_space_info * parent; /* 8 8 */\n ...\n int clamp; /* 172 4 */\n unsigned int full:1; /* 176: 0 4 */\n unsigned int chunk_alloc:1; /* 176: 1 4 */\n unsigned int flush:1; /* 176: 2 4 */\n ...\n\nTherefore, to be safe from parallel read-modify-writes losing a write to\none of the bitfield members protected by a lock, all writes to all the\nbitfields must use the lock. They almost universally do, except for\nbtrfs_clear_space_info_full() which iterates over the space_infos and\nwrites out found-\u003efull = 0 without a lock.\n\nImagine that we have one thread completing a transaction in which we\nfinished deleting a block_group and are thus calling\nbtrfs_clear_space_info_full() while simultaneously the data reclaim\nticket infrastructure is running do_async_reclaim_data_space():\n\n T1 T2\nbtrfs_commit_transaction\n btrfs_clear_space_info_full\n data_sinfo-\u003efull = 0\n READ: full:0, chunk_alloc:0, flush:1\n do_async_reclaim_data_space(data_sinfo)\n spin_lock(\u0026space_info-\u003elock);\n if(list_empty(tickets))\n space_info-\u003eflush = 0;\n READ: full: 0, chunk_alloc:0, flush:1\n MOD/WRITE: full: 0, chunk_alloc:0, flush:0\n spin_unlock(\u0026space_info-\u003elock);\n return;\n MOD/WRITE: full:0, chunk_alloc:0, flush:1\n\nand now data_sinfo-\u003eflush is 1 but the reclaim worker has exited. This\nbreaks the invariant that flush is 0 iff there is no work queued or\nrunning. Once this invariant is violated, future allocations that go\ninto __reserve_bytes() will add tickets to space_info-\u003etickets but will\nsee space_info-\u003eflush is set to 1 and not queue the work. After this,\nthey will block forever on the resulting ticket, as it is now impossible\nto kick the worker again.\n\nI also confirmed by looking at the assembly of the affected kernel that\nit is doing RMW operations. For example, to set the flush (3rd) bit to 0,\nthe assembly is:\n andb $0xfb,0x60(%rbx)\nand similarly for setting the full (1st) bit to 0:\n andb $0xfe,-0x20(%rax)\n\nSo I think this is really a bug on practical systems. I have observed\na number of systems in this exact state, but am currently unable to\nreproduce it.\n\nRather than leaving this footgun lying around for the future, take\nadvantage of the fact that there is room in the struct anyway, and that\nit is already quite large and simply change the three bitfield members to\nbools. This avoids writes to space_info-\u003efull having any effect on\n---truncated---"
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"url": "https://git.kernel.org/stable/c/38e818718c5e04961eea0fa8feff3f100ce40408"
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"title": "btrfs: fix racy bitfield write in btrfs_clear_space_info_full()",
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CVE-2025-71089 (GCVE-0-2025-71089)
Vulnerability from cvelistv5 – Published: 2026-01-13 15:34 – Updated: 2026-10-30 12:23
VLAI
EPSS
VEX
Title
iommu: disable SVA when CONFIG_X86 is set
Summary
In the Linux kernel, the following vulnerability has been resolved:
iommu: disable SVA when CONFIG_X86 is set
Patch series "Fix stale IOTLB entries for kernel address space", v7.
This proposes a fix for a security vulnerability related to IOMMU Shared
Virtual Addressing (SVA). In an SVA context, an IOMMU can cache kernel
page table entries. When a kernel page table page is freed and
reallocated for another purpose, the IOMMU might still hold stale,
incorrect entries. This can be exploited to cause a use-after-free or
write-after-free condition, potentially leading to privilege escalation or
data corruption.
This solution introduces a deferred freeing mechanism for kernel page
table pages, which provides a safe window to notify the IOMMU to
invalidate its caches before the page is reused.
This patch (of 8):
In the IOMMU Shared Virtual Addressing (SVA) context, the IOMMU hardware
shares and walks the CPU's page tables. The x86 architecture maps the
kernel's virtual address space into the upper portion of every process's
page table. Consequently, in an SVA context, the IOMMU hardware can walk
and cache kernel page table entries.
The Linux kernel currently lacks a notification mechanism for kernel page
table changes, specifically when page table pages are freed and reused.
The IOMMU driver is only notified of changes to user virtual address
mappings. This can cause the IOMMU's internal caches to retain stale
entries for kernel VA.
Use-After-Free (UAF) and Write-After-Free (WAF) conditions arise when
kernel page table pages are freed and later reallocated. The IOMMU could
misinterpret the new data as valid page table entries. The IOMMU might
then walk into attacker-controlled memory, leading to arbitrary physical
memory DMA access or privilege escalation. This is also a
Write-After-Free issue, as the IOMMU will potentially continue to write
Accessed and Dirty bits to the freed memory while attempting to walk the
stale page tables.
Currently, SVA contexts are unprivileged and cannot access kernel
mappings. However, the IOMMU will still walk kernel-only page tables all
the way down to the leaf entries, where it realizes the mapping is for the
kernel and errors out. This means the IOMMU still caches these
intermediate page table entries, making the described vulnerability a real
concern.
Disable SVA on x86 architecture until the IOMMU can receive notification
to flush the paging cache before freeing the CPU kernel page table pages.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 16:19 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
26b25a2b98e45aeb40eedcedc586ad5034cbd984 , < 845875f4c6788c88e2334fe5825934821decbdc8
(git)
Affected: 26b25a2b98e45aeb40eedcedc586ad5034cbd984 , < b34289505180a83607fcfdce14b5a290d0528476 (git) Affected: 26b25a2b98e45aeb40eedcedc586ad5034cbd984 , < 7cad37e358970af1bb49030ff01f06a69fa7d985 (git) Affected: 26b25a2b98e45aeb40eedcedc586ad5034cbd984 , < 240cd7f2812cc25496b12063d11c823618f364e9 (git) Affected: 26b25a2b98e45aeb40eedcedc586ad5034cbd984 , < c2c3f1a3fd74ef16cf115f0c558616a13a8471b4 (git) Affected: 26b25a2b98e45aeb40eedcedc586ad5034cbd984 , < c341dee80b5df49a936182341b36395c831c2661 (git) Affected: 26b25a2b98e45aeb40eedcedc586ad5034cbd984 , < 72f98ef9a4be30d2a60136dd6faee376f780d06c (git) |
|
| Linux | Linux |
Affected:
5.2
Unaffected: 0 , < 5.2 (semver) Unaffected: 5.10.273 , ≤ 5.10.* (semver) Unaffected: 5.15.200 , ≤ 5.15.* (semver) Unaffected: 6.1.163 , ≤ 6.1.* (semver) Unaffected: 6.6.120 , ≤ 6.6.* (semver) Unaffected: 6.12.64 , ≤ 6.12.* (semver) Unaffected: 6.18.4 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu: disable SVA when CONFIG_X86 is set\n\nPatch series \"Fix stale IOTLB entries for kernel address space\", v7.\n\nThis proposes a fix for a security vulnerability related to IOMMU Shared\nVirtual Addressing (SVA). In an SVA context, an IOMMU can cache kernel\npage table entries. When a kernel page table page is freed and\nreallocated for another purpose, the IOMMU might still hold stale,\nincorrect entries. This can be exploited to cause a use-after-free or\nwrite-after-free condition, potentially leading to privilege escalation or\ndata corruption.\n\nThis solution introduces a deferred freeing mechanism for kernel page\ntable pages, which provides a safe window to notify the IOMMU to\ninvalidate its caches before the page is reused.\n\n\nThis patch (of 8):\n\nIn the IOMMU Shared Virtual Addressing (SVA) context, the IOMMU hardware\nshares and walks the CPU\u0027s page tables. The x86 architecture maps the\nkernel\u0027s virtual address space into the upper portion of every process\u0027s\npage table. Consequently, in an SVA context, the IOMMU hardware can walk\nand cache kernel page table entries.\n\nThe Linux kernel currently lacks a notification mechanism for kernel page\ntable changes, specifically when page table pages are freed and reused. \nThe IOMMU driver is only notified of changes to user virtual address\nmappings. This can cause the IOMMU\u0027s internal caches to retain stale\nentries for kernel VA.\n\nUse-After-Free (UAF) and Write-After-Free (WAF) conditions arise when\nkernel page table pages are freed and later reallocated. The IOMMU could\nmisinterpret the new data as valid page table entries. The IOMMU might\nthen walk into attacker-controlled memory, leading to arbitrary physical\nmemory DMA access or privilege escalation. This is also a\nWrite-After-Free issue, as the IOMMU will potentially continue to write\nAccessed and Dirty bits to the freed memory while attempting to walk the\nstale page tables.\n\nCurrently, SVA contexts are unprivileged and cannot access kernel\nmappings. However, the IOMMU will still walk kernel-only page tables all\nthe way down to the leaf entries, where it realizes the mapping is for the\nkernel and errors out. This means the IOMMU still caches these\nintermediate page table entries, making the described vulnerability a real\nconcern.\n\nDisable SVA on x86 architecture until the IOMMU can receive notification\nto flush the paging cache before freeing the CPU kernel page table pages."
}
],
"metrics": [
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"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "IOMMU SVA stale kernel page table entries enable arbitrary physical memory DMA access. IOMMU caches kernel page table entries that become stale when freed and reallocated, allowing walk into attacker-controlled memory. Scope Changed as it breaks IOMMU hardware isolation boundary."
}
]
}
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"cveId": "CVE-2025-71089",
"datePublished": "2026-01-13T15:34:51.079Z",
"dateReserved": "2026-01-13T15:30:19.649Z",
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CVE-2025-71144 (GCVE-0-2025-71144)
Vulnerability from cvelistv5 – Published: 2026-01-14 15:08 – Updated: 2026-05-23 16:03
VLAI
EPSS
VEX
Title
mptcp: ensure context reset on disconnect()
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: ensure context reset on disconnect()
After the blamed commit below, if the MPC subflow is already in TCP_CLOSE
status or has fallback to TCP at mptcp_disconnect() time,
mptcp_do_fastclose() skips setting the `send_fastclose flag` and the later
__mptcp_close_ssk() does not reset anymore the related subflow context.
Any later connection will be created with both the `request_mptcp` flag
and the msk-level fallback status off (it is unconditionally cleared at
MPTCP disconnect time), leading to a warning in subflow_data_ready():
WARNING: CPU: 26 PID: 8996 at net/mptcp/subflow.c:1519 subflow_data_ready (net/mptcp/subflow.c:1519 (discriminator 13))
Modules linked in:
CPU: 26 UID: 0 PID: 8996 Comm: syz.22.39 Not tainted 6.18.0-rc7-05427-g11fc074f6c36 #1 PREEMPT(voluntary)
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
RIP: 0010:subflow_data_ready (net/mptcp/subflow.c:1519 (discriminator 13))
Code: 90 0f 0b 90 90 e9 04 fe ff ff e8 b7 1e f5 fe 89 ee bf 07 00 00 00 e8 db 19 f5 fe 83 fd 07 0f 84 35 ff ff ff e8 9d 1e f5 fe 90 <0f> 0b 90 e9 27 ff ff ff e8 8f 1e f5 fe 4c 89 e7 48 89 de e8 14 09
RSP: 0018:ffffc9002646fb30 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88813b218000 RCX: ffffffff825c8435
RDX: ffff8881300b3580 RSI: ffffffff825c8443 RDI: 0000000000000005
RBP: 000000000000000b R08: ffffffff825c8435 R09: 000000000000000b
R10: 0000000000000005 R11: 0000000000000007 R12: ffff888131ac0000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f88330af6c0(0000) GS:ffff888a93dd2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f88330aefe8 CR3: 000000010ff59000 CR4: 0000000000350ef0
Call Trace:
<TASK>
tcp_data_ready (net/ipv4/tcp_input.c:5356)
tcp_data_queue (net/ipv4/tcp_input.c:5445)
tcp_rcv_state_process (net/ipv4/tcp_input.c:7165)
tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1955)
__release_sock (include/net/sock.h:1158 (discriminator 6) net/core/sock.c:3180 (discriminator 6))
release_sock (net/core/sock.c:3737)
mptcp_sendmsg (net/mptcp/protocol.c:1763 net/mptcp/protocol.c:1857)
inet_sendmsg (net/ipv4/af_inet.c:853 (discriminator 7))
__sys_sendto (net/socket.c:727 (discriminator 15) net/socket.c:742 (discriminator 15) net/socket.c:2244 (discriminator 15))
__x64_sys_sendto (net/socket.c:2247)
do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
RIP: 0033:0x7f883326702d
Address the issue setting an explicit `fastclosing` flag at fastclose
time, and checking such flag after mptcp_do_fastclose().
Severity
No CVSS data available.
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
9ea05fabce31ff93a0adae8221c58bc6d7b832f3 , < 226fff52e7ed9fc8cd63327133739b3d92537ffd
(git)
Affected: 3a13454fd098ed51e733958488f8ec62859a9ed8 , < 5c7c7135468f3fc6379cde9777a2c18bfe92d82f (git) Affected: f6fb2cbc91a81178dea23d463503b4525a76825d , < 1c7c3a9314d8a7fc0e9a508606466a967c8e774a (git) Affected: ae155060247be8dcae3802a95bd1bdf93ab3215d , < f1a77dfc3b045c3dd5f6e64189b9f52b90399f07 (git) Affected: ae155060247be8dcae3802a95bd1bdf93ab3215d , < 86730ac255b0497a272704de9a1df559f5d6602e (git) Affected: c4f7b0916b95fd2226e5ab98882482b08f52e1c0 (git) Affected: 6.1.159 , < 6.1.164 (semver) Affected: 6.6.119 , < 6.6.120 (semver) Affected: 6.12.60 , < 6.12.65 (semver) Affected: 6.17.10 , < 6.18 (semver) |
|
| Linux | Linux |
Affected:
6.18
Unaffected: 0 , < 6.18 (semver) Unaffected: 6.1.164 , ≤ 6.1.* (semver) Unaffected: 6.6.120 , ≤ 6.6.* (semver) Unaffected: 6.12.65 , ≤ 6.12.* (semver) Unaffected: 6.18.5 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: ensure context reset on disconnect()\n\nAfter the blamed commit below, if the MPC subflow is already in TCP_CLOSE\nstatus or has fallback to TCP at mptcp_disconnect() time,\nmptcp_do_fastclose() skips setting the `send_fastclose flag` and the later\n__mptcp_close_ssk() does not reset anymore the related subflow context.\n\nAny later connection will be created with both the `request_mptcp` flag\nand the msk-level fallback status off (it is unconditionally cleared at\nMPTCP disconnect time), leading to a warning in subflow_data_ready():\n\n WARNING: CPU: 26 PID: 8996 at net/mptcp/subflow.c:1519 subflow_data_ready (net/mptcp/subflow.c:1519 (discriminator 13))\n Modules linked in:\n CPU: 26 UID: 0 PID: 8996 Comm: syz.22.39 Not tainted 6.18.0-rc7-05427-g11fc074f6c36 #1 PREEMPT(voluntary)\n Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011\n RIP: 0010:subflow_data_ready (net/mptcp/subflow.c:1519 (discriminator 13))\n Code: 90 0f 0b 90 90 e9 04 fe ff ff e8 b7 1e f5 fe 89 ee bf 07 00 00 00 e8 db 19 f5 fe 83 fd 07 0f 84 35 ff ff ff e8 9d 1e f5 fe 90 \u003c0f\u003e 0b 90 e9 27 ff ff ff e8 8f 1e f5 fe 4c 89 e7 48 89 de e8 14 09\n RSP: 0018:ffffc9002646fb30 EFLAGS: 00010293\n RAX: 0000000000000000 RBX: ffff88813b218000 RCX: ffffffff825c8435\n RDX: ffff8881300b3580 RSI: ffffffff825c8443 RDI: 0000000000000005\n RBP: 000000000000000b R08: ffffffff825c8435 R09: 000000000000000b\n R10: 0000000000000005 R11: 0000000000000007 R12: ffff888131ac0000\n R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\n FS: 00007f88330af6c0(0000) GS:ffff888a93dd2000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007f88330aefe8 CR3: 000000010ff59000 CR4: 0000000000350ef0\n Call Trace:\n \u003cTASK\u003e\n tcp_data_ready (net/ipv4/tcp_input.c:5356)\n tcp_data_queue (net/ipv4/tcp_input.c:5445)\n tcp_rcv_state_process (net/ipv4/tcp_input.c:7165)\n tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1955)\n __release_sock (include/net/sock.h:1158 (discriminator 6) net/core/sock.c:3180 (discriminator 6))\n release_sock (net/core/sock.c:3737)\n mptcp_sendmsg (net/mptcp/protocol.c:1763 net/mptcp/protocol.c:1857)\n inet_sendmsg (net/ipv4/af_inet.c:853 (discriminator 7))\n __sys_sendto (net/socket.c:727 (discriminator 15) net/socket.c:742 (discriminator 15) net/socket.c:2244 (discriminator 15))\n __x64_sys_sendto (net/socket.c:2247)\n do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n RIP: 0033:0x7f883326702d\n\nAddress the issue setting an explicit `fastclosing` flag at fastclose\ntime, and checking such flag after mptcp_do_fastclose()."
}
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CVE-2025-71220 (GCVE-0-2025-71220)
Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-05-23 16:03
VLAI
EPSS
VEX
Title
smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()
Summary
In the Linux kernel, the following vulnerability has been resolved:
smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()
When ksmbd_iov_pin_rsp() fails, we should call ksmbd_session_rpc_close().
Severity
No CVSS data available.
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f2283680a80571ca82d710bc6ecd8f8beac67d63 , < a2c68e256fb7a4ac34154c6e865a1389acca839f
(git)
Affected: 9f297df20d93411c0b4ddad7f88ba04a7cd36e77 , < 2b7b4df87fe6f2db6ee45f475de6b37b8b8e5d29 (git) Affected: e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d , < 04dd114b682a4ccaeba2c2bad049c8b50ce740d8 (git) Affected: e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d , < ac18761b530b5dd40f59af8a25902282e5512854 (git) Affected: e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d , < fdda836fcee6fdbcccc24e3679097efb583f581f (git) Affected: e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d , < 7c28f8eef5ac5312794d8a52918076dcd787e53b (git) Affected: 5.15.145 , < 5.15.200 (semver) Affected: 6.1.71 , < 6.1.163 (semver) |
|
| Linux | Linux |
Affected:
6.6
Unaffected: 0 , < 6.6 (semver) Unaffected: 5.15.200 , ≤ 5.15.* (semver) Unaffected: 6.1.163 , ≤ 6.1.* (semver) Unaffected: 6.6.124 , ≤ 6.6.* (semver) Unaffected: 6.12.70 , ≤ 6.12.* (semver) Unaffected: 6.18.10 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
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CVE-2025-71222 (GCVE-0-2025-71222)
Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-05-11 21:56
VLAI
EPSS
VEX
Title
wifi: wlcore: ensure skb headroom before skb_push
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: wlcore: ensure skb headroom before skb_push
This avoids occasional skb_under_panic Oops from wl1271_tx_work. In this case, headroom is
less than needed (typically 110 - 94 = 16 bytes).
Severity
No CVSS data available.
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f5fc0f86b02afef1119b523623b4cde41475bc8c , < 88295a55fefe5414e64293638b6f7549646e58ed
(git)
Affected: f5fc0f86b02afef1119b523623b4cde41475bc8c , < cd89a4656c03f8db0c57350aaec69cd3cfaa3522 (git) Affected: f5fc0f86b02afef1119b523623b4cde41475bc8c , < 745a0810dbc96a0471e5f5e627ba1e978c3116d4 (git) Affected: f5fc0f86b02afef1119b523623b4cde41475bc8c , < b167312390fdd461c81ead516f2b0b44e83a9edb (git) Affected: f5fc0f86b02afef1119b523623b4cde41475bc8c , < 71de0b6e04bbee5575caf9a1e4d424e7dcc50018 (git) Affected: f5fc0f86b02afef1119b523623b4cde41475bc8c , < 689a7980e4788e13e766763d53569fb78dea2513 (git) Affected: f5fc0f86b02afef1119b523623b4cde41475bc8c , < e75665dd096819b1184087ba5718bd93beafff51 (git) |
|
| Linux | Linux |
Affected:
2.6.32
Unaffected: 0 , < 2.6.32 (semver) Unaffected: 5.10.250 , ≤ 5.10.* (semver) Unaffected: 5.15.200 , ≤ 5.15.* (semver) Unaffected: 6.1.163 , ≤ 6.1.* (semver) Unaffected: 6.6.124 , ≤ 6.6.* (semver) Unaffected: 6.12.70 , ≤ 6.12.* (semver) Unaffected: 6.18.10 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
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CVE-2025-71224 (GCVE-0-2025-71224)
Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-05-11 21:56
VLAI
EPSS
VEX
Title
wifi: mac80211: ocb: skip rx_no_sta when interface is not joined
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: ocb: skip rx_no_sta when interface is not joined
ieee80211_ocb_rx_no_sta() assumes a valid channel context, which is only
present after JOIN_OCB.
RX may run before JOIN_OCB is executed, in which case the OCB interface
is not operational. Skip RX peer handling when the interface is not
joined to avoid warnings in the RX path.
Severity
No CVSS data available.
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
239281f803e2efdb77d906ef296086b6917e5d71 , < fcc768760df08337525cde28e8460e36f9855af8
(git)
Affected: 239281f803e2efdb77d906ef296086b6917e5d71 , < b04c75366a5471ae2dd7f4c33b7f1e2c08b9b32d (git) Affected: 239281f803e2efdb77d906ef296086b6917e5d71 , < 8fd1c63e016893b7f6c1cf799410da4eaa98c090 (git) Affected: 239281f803e2efdb77d906ef296086b6917e5d71 , < ffe1e19c3b0e5b9eb9e04fad4bce7d1dc407fd77 (git) Affected: 239281f803e2efdb77d906ef296086b6917e5d71 , < 536447521b3b9be1975c7f1db9054bdf2ab779cb (git) Affected: 239281f803e2efdb77d906ef296086b6917e5d71 , < e0bd226804f8e0098711042c93d64f3b720b36c0 (git) Affected: 239281f803e2efdb77d906ef296086b6917e5d71 , < ff4071c60018a668249dc6a2df7d16330543540e (git) |
|
| Linux | Linux |
Affected:
3.19
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{
"url": "https://git.kernel.org/stable/c/ffe1e19c3b0e5b9eb9e04fad4bce7d1dc407fd77"
},
{
"url": "https://git.kernel.org/stable/c/536447521b3b9be1975c7f1db9054bdf2ab779cb"
},
{
"url": "https://git.kernel.org/stable/c/e0bd226804f8e0098711042c93d64f3b720b36c0"
},
{
"url": "https://git.kernel.org/stable/c/ff4071c60018a668249dc6a2df7d16330543540e"
}
],
"title": "wifi: mac80211: ocb: skip rx_no_sta when interface is not joined",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-71224",
"datePublished": "2026-02-14T16:27:06.752Z",
"dateReserved": "2026-02-14T16:26:02.969Z",
"dateUpdated": "2026-05-11T21:56:46.366Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-71232 (GCVE-0-2025-71232)
Vulnerability from cvelistv5 – Published: 2026-02-18 14:53 – Updated: 2026-10-19 18:25
VLAI
EPSS
VEX
Title
scsi: qla2xxx: Free sp in error path to fix system crash
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: qla2xxx: Free sp in error path to fix system crash
System crash seen during load/unload test in a loop,
[61110.449331] qla2xxx [0000:27:00.0]-0042:0: Disabled MSI-X.
[61110.467494] =============================================================================
[61110.467498] BUG qla2xxx_srbs (Tainted: G OE -------- --- ): Objects remaining in qla2xxx_srbs on __kmem_cache_shutdown()
[61110.467501] -----------------------------------------------------------------------------
[61110.467502] Slab 0x000000000ffc8162 objects=51 used=1 fp=0x00000000e25d3d85 flags=0x57ffffc0010200(slab|head|node=1|zone=2|lastcpupid=0x1fffff)
[61110.467509] CPU: 53 PID: 455206 Comm: rmmod Kdump: loaded Tainted: G OE -------- --- 5.14.0-284.11.1.el9_2.x86_64 #1
[61110.467513] Hardware name: HPE ProLiant DL385 Gen10 Plus v2/ProLiant DL385 Gen10 Plus v2, BIOS A42 08/17/2023
[61110.467515] Call Trace:
[61110.467516] <TASK>
[61110.467519] dump_stack_lvl+0x34/0x48
[61110.467526] slab_err.cold+0x53/0x67
[61110.467534] __kmem_cache_shutdown+0x16e/0x320
[61110.467540] kmem_cache_destroy+0x51/0x160
[61110.467544] qla2x00_module_exit+0x93/0x99 [qla2xxx]
[61110.467607] ? __do_sys_delete_module.constprop.0+0x178/0x280
[61110.467613] ? syscall_trace_enter.constprop.0+0x145/0x1d0
[61110.467616] ? do_syscall_64+0x5c/0x90
[61110.467619] ? exc_page_fault+0x62/0x150
[61110.467622] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd
[61110.467626] </TASK>
[61110.467627] Disabling lock debugging due to kernel taint
[61110.467635] Object 0x0000000026f7e6e6 @offset=16000
[61110.467639] ------------[ cut here ]------------
[61110.467639] kmem_cache_destroy qla2xxx_srbs: Slab cache still has objects when called from qla2x00_module_exit+0x93/0x99 [qla2xxx]
[61110.467659] WARNING: CPU: 53 PID: 455206 at mm/slab_common.c:520 kmem_cache_destroy+0x14d/0x160
[61110.467718] CPU: 53 PID: 455206 Comm: rmmod Kdump: loaded Tainted: G B OE -------- --- 5.14.0-284.11.1.el9_2.x86_64 #1
[61110.467720] Hardware name: HPE ProLiant DL385 Gen10 Plus v2/ProLiant DL385 Gen10 Plus v2, BIOS A42 08/17/2023
[61110.467721] RIP: 0010:kmem_cache_destroy+0x14d/0x160
[61110.467724] Code: 99 7d 07 00 48 89 ef e8 e1 6a 07 00 eb b3 48 8b 55 60 48 8b 4c 24 20 48 c7 c6 70 fc 66 90 48 c7 c7 f8 ef a1 90 e8 e1 ed 7c 00 <0f> 0b eb 93 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 55 48 89
[61110.467725] RSP: 0018:ffffa304e489fe80 EFLAGS: 00010282
[61110.467727] RAX: 0000000000000000 RBX: ffffffffc0d9a860 RCX: 0000000000000027
[61110.467729] RDX: ffff8fd5ff9598a8 RSI: 0000000000000001 RDI: ffff8fd5ff9598a0
[61110.467730] RBP: ffff8fb6aaf78700 R08: 0000000000000000 R09: 0000000100d863b7
[61110.467731] R10: ffffa304e489fd20 R11: ffffffff913bef48 R12: 0000000040002000
[61110.467731] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[61110.467733] FS: 00007f64c89fb740(0000) GS:ffff8fd5ff940000(0000) knlGS:0000000000000000
[61110.467734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[61110.467735] CR2: 00007f0f02bfe000 CR3: 00000020ad6dc005 CR4: 0000000000770ee0
[61110.467736] PKRU: 55555554
[61110.467737] Call Trace:
[61110.467738] <TASK>
[61110.467739] qla2x00_module_exit+0x93/0x99 [qla2xxx]
[61110.467755] ? __do_sys_delete_module.constprop.0+0x178/0x280
Free sp in the error path to fix the crash.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 20:40 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f352eeb75419d2b693df7cc5957f7427c2b9b3ea , < b410ab8b9431d6d63d04caa1d69909fcc8b25eae
(git)
Affected: f352eeb75419d2b693df7cc5957f7427c2b9b3ea , < b74408de1f2264220979f0c6a5a9d5e50b5b534b (git) Affected: f352eeb75419d2b693df7cc5957f7427c2b9b3ea , < 8e7597b4efee6143439641bc6522f247d585e060 (git) Affected: f352eeb75419d2b693df7cc5957f7427c2b9b3ea , < aed16d37696f494288a291b4b477484ed0be774b (git) Affected: f352eeb75419d2b693df7cc5957f7427c2b9b3ea , < 05fcd590e5fbbb3e9e1b4fc6c23c98a1d38cf256 (git) Affected: f352eeb75419d2b693df7cc5957f7427c2b9b3ea , < f04840512438ac025dea6e357d80a986b28bbe4c (git) Affected: f352eeb75419d2b693df7cc5957f7427c2b9b3ea , < 19ac050ef09a2f0a9d9787540f77bb45cf9033e8 (git) Affected: f352eeb75419d2b693df7cc5957f7427c2b9b3ea , < 7adbd2b7809066c75f0433e5e2a8e114b429f30f (git) |
|
| Linux | Linux |
Affected:
4.16
Unaffected: 0 , < 4.16 (semver) Unaffected: 5.10.251 , ≤ 5.10.* (semver) Unaffected: 5.15.201 , ≤ 5.15.* (semver) Unaffected: 6.1.164 , ≤ 6.1.* (semver) Unaffected: 6.6.125 , ≤ 6.6.* (semver) Unaffected: 6.12.72 , ≤ 6.12.* (semver) Unaffected: 6.18.11 , ≤ 6.18.* (semver) Unaffected: 6.19.1 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
{
"containers": {
"adp": [
{
"metrics": [
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"other": {
"content": {
"id": "CVE-2025-71232",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-10T20:40:38.659915Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
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"descriptions": [
{
"cweId": "CWE-401",
"description": "CWE-401 Missing Release of Memory after Effective Lifetime",
"lang": "en",
"type": "CWE"
}
]
}
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"providerMetadata": {
"dateUpdated": "2026-10-19T18:25:24.277Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/scsi/qla2xxx/qla_gs.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "b410ab8b9431d6d63d04caa1d69909fcc8b25eae",
"status": "affected",
"version": "f352eeb75419d2b693df7cc5957f7427c2b9b3ea",
"versionType": "git"
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{
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"status": "affected",
"version": "f352eeb75419d2b693df7cc5957f7427c2b9b3ea",
"versionType": "git"
},
{
"lessThan": "8e7597b4efee6143439641bc6522f247d585e060",
"status": "affected",
"version": "f352eeb75419d2b693df7cc5957f7427c2b9b3ea",
"versionType": "git"
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{
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"status": "affected",
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"versionType": "git"
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{
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"versionType": "git"
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{
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"status": "affected",
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"versionType": "git"
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{
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"status": "affected",
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"versionType": "git"
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{
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"status": "affected",
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"versionType": "git"
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]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.16"
},
{
"lessThan": "4.16",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.251",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.201",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.164",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.125",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.72",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.11",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"version": "6.19.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.251",
"versionStartIncluding": "4.16",
"vulnerable": true
},
{
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"versionEndExcluding": "5.15.201",
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.164",
"versionStartIncluding": "4.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.125",
"versionStartIncluding": "4.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.72",
"versionStartIncluding": "4.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.11",
"versionStartIncluding": "4.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19.1",
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"vulnerable": true
},
{
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"versionEndExcluding": "7.0",
"versionStartIncluding": "4.16",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Free sp in error path to fix system crash\n\nSystem crash seen during load/unload test in a loop,\n\n[61110.449331] qla2xxx [0000:27:00.0]-0042:0: Disabled MSI-X.\n[61110.467494] =============================================================================\n[61110.467498] BUG qla2xxx_srbs (Tainted: G OE -------- --- ): Objects remaining in qla2xxx_srbs on __kmem_cache_shutdown()\n[61110.467501] -----------------------------------------------------------------------------\n\n[61110.467502] Slab 0x000000000ffc8162 objects=51 used=1 fp=0x00000000e25d3d85 flags=0x57ffffc0010200(slab|head|node=1|zone=2|lastcpupid=0x1fffff)\n[61110.467509] CPU: 53 PID: 455206 Comm: rmmod Kdump: loaded Tainted: G OE -------- --- 5.14.0-284.11.1.el9_2.x86_64 #1\n[61110.467513] Hardware name: HPE ProLiant DL385 Gen10 Plus v2/ProLiant DL385 Gen10 Plus v2, BIOS A42 08/17/2023\n[61110.467515] Call Trace:\n[61110.467516] \u003cTASK\u003e\n[61110.467519] dump_stack_lvl+0x34/0x48\n[61110.467526] slab_err.cold+0x53/0x67\n[61110.467534] __kmem_cache_shutdown+0x16e/0x320\n[61110.467540] kmem_cache_destroy+0x51/0x160\n[61110.467544] qla2x00_module_exit+0x93/0x99 [qla2xxx]\n[61110.467607] ? __do_sys_delete_module.constprop.0+0x178/0x280\n[61110.467613] ? syscall_trace_enter.constprop.0+0x145/0x1d0\n[61110.467616] ? do_syscall_64+0x5c/0x90\n[61110.467619] ? exc_page_fault+0x62/0x150\n[61110.467622] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[61110.467626] \u003c/TASK\u003e\n[61110.467627] Disabling lock debugging due to kernel taint\n[61110.467635] Object 0x0000000026f7e6e6 @offset=16000\n[61110.467639] ------------[ cut here ]------------\n[61110.467639] kmem_cache_destroy qla2xxx_srbs: Slab cache still has objects when called from qla2x00_module_exit+0x93/0x99 [qla2xxx]\n[61110.467659] WARNING: CPU: 53 PID: 455206 at mm/slab_common.c:520 kmem_cache_destroy+0x14d/0x160\n[61110.467718] CPU: 53 PID: 455206 Comm: rmmod Kdump: loaded Tainted: G B OE -------- --- 5.14.0-284.11.1.el9_2.x86_64 #1\n[61110.467720] Hardware name: HPE ProLiant DL385 Gen10 Plus v2/ProLiant DL385 Gen10 Plus v2, BIOS A42 08/17/2023\n[61110.467721] RIP: 0010:kmem_cache_destroy+0x14d/0x160\n[61110.467724] Code: 99 7d 07 00 48 89 ef e8 e1 6a 07 00 eb b3 48 8b 55 60 48 8b 4c 24 20 48 c7 c6 70 fc 66 90 48 c7 c7 f8 ef a1 90 e8 e1 ed 7c 00 \u003c0f\u003e 0b eb 93 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 55 48 89\n[61110.467725] RSP: 0018:ffffa304e489fe80 EFLAGS: 00010282\n[61110.467727] RAX: 0000000000000000 RBX: ffffffffc0d9a860 RCX: 0000000000000027\n[61110.467729] RDX: ffff8fd5ff9598a8 RSI: 0000000000000001 RDI: ffff8fd5ff9598a0\n[61110.467730] RBP: ffff8fb6aaf78700 R08: 0000000000000000 R09: 0000000100d863b7\n[61110.467731] R10: ffffa304e489fd20 R11: ffffffff913bef48 R12: 0000000040002000\n[61110.467731] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\n[61110.467733] FS: 00007f64c89fb740(0000) GS:ffff8fd5ff940000(0000) knlGS:0000000000000000\n[61110.467734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[61110.467735] CR2: 00007f0f02bfe000 CR3: 00000020ad6dc005 CR4: 0000000000770ee0\n[61110.467736] PKRU: 55555554\n[61110.467737] Call Trace:\n[61110.467738] \u003cTASK\u003e\n[61110.467739] qla2x00_module_exit+0x93/0x99 [qla2xxx]\n[61110.467755] ? __do_sys_delete_module.constprop.0+0x178/0x280\n\nFree sp in the error path to fix the crash."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T21:56:53.439Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/b410ab8b9431d6d63d04caa1d69909fcc8b25eae"
},
{
"url": "https://git.kernel.org/stable/c/b74408de1f2264220979f0c6a5a9d5e50b5b534b"
},
{
"url": "https://git.kernel.org/stable/c/8e7597b4efee6143439641bc6522f247d585e060"
},
{
"url": "https://git.kernel.org/stable/c/aed16d37696f494288a291b4b477484ed0be774b"
},
{
"url": "https://git.kernel.org/stable/c/05fcd590e5fbbb3e9e1b4fc6c23c98a1d38cf256"
},
{
"url": "https://git.kernel.org/stable/c/f04840512438ac025dea6e357d80a986b28bbe4c"
},
{
"url": "https://git.kernel.org/stable/c/19ac050ef09a2f0a9d9787540f77bb45cf9033e8"
},
{
"url": "https://git.kernel.org/stable/c/7adbd2b7809066c75f0433e5e2a8e114b429f30f"
}
],
"title": "scsi: qla2xxx: Free sp in error path to fix system crash",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-71232",
"datePublished": "2026-02-18T14:53:16.709Z",
"dateReserved": "2026-02-18T14:25:13.845Z",
"dateUpdated": "2026-10-19T18:25:24.277Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Trend slope:
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Show additional events:
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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.
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- 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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
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They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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