CVE-2026-23251
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: xfs: only call xf{array,blob}_destroy if we have a valid pointer Only call the xfarray and xfblob destructor if we have a valid pointer, and be sure to null out that pointer afterwards. Note that this patch fixes a large number of commits, most of which were merged between 6.9 and 6.10.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-03-18 18:16:23.090000
Last modified
2026-11-05 22:18:08.970000
View original CVE JSON
{
"id": "CVE-2026-23251",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-03-18T18:16:23.090",
"lastModified": "2026-11-05T22:18:08.970",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: only call xf{array,blob}_destroy if we have a valid pointer\n\nOnly call the xfarray and xfblob destructor if we have a valid pointer,\nand be sure to null out that pointer afterwards. Note that this patch\nfixes a large number of commits, most of which were merged between 6.9\nand 6.10."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nxfs: solo llamar a xf{array,blob}_destroy si tenemos un puntero válido\n\nSolo llamar al destructor xfarray y xfblob si tenemos un puntero válido, y asegurarse de anular ese puntero después. Tenga en cuenta que este parche soluciona un gran número de commits, la mayoría de los cuales fueron fusionados entre 6.9 y 6.10."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"fs/xfs/scrub/agheader_repair.c",
"fs/xfs/scrub/attr_repair.c",
"fs/xfs/scrub/dir_repair.c",
"fs/xfs/scrub/dirtree.c",
"fs/xfs/scrub/nlinks.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
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"programFiles": [
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"fs/xfs/scrub/attr_repair.c",
"fs/xfs/scrub/dir_repair.c",
"fs/xfs/scrub/dirtree.c",
"fs/xfs/scrub/nlinks.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
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"status": "affected"
},
{
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"versionType": "semver",
"status": "unaffected"
},
{
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"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.18.16",
"lessThanOrEqual": "6.18.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.19.6",
"lessThanOrEqual": "6.19.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "7.0",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T21:23:28.377770Z",
"id": "CVE-2026-23251",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
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],
"role": "CISA Coordinator",
"version": "2.0.3"
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},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"configurations": [
{
"nodes": [
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"negate": false,
"cpeMatch": [
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