CVE-2025-40055
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix double free in user_cluster_connect() user_cluster_disconnect() frees "conn->cc_private" which is "lc" but then the error handling frees "lc" a second time. Set "lc" to NULL on this path to avoid a double free.
Severity
Not scored
CVSS score
Not available
Vulnerability status
Deferred
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-10-28 12:15:39.780000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
"id": "CVE-2025-40055",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-10-28T12:15:39.780",
"lastModified": "2026-10-19T21:10:00.160",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix double free in user_cluster_connect()\n\nuser_cluster_disconnect() frees \"conn->cc_private\" which is \"lc\" but then\nthe error handling frees \"lc\" a second time. Set \"lc\" to NULL on this\npath to avoid a double free."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nocfs2: corrección de doble liberación en user_cluster_connect()\n\nuser_cluster_disconnect() libera 'conn->cc_private', que es 'lc', pero luego el manejo de errores libera 'lc' una segunda vez. Establezca 'lc' a NULL en esta ruta para evitar una doble liberación."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"fs/ocfs2/stack_user.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
"lessThan": "283333079d96c84baa91f0c62b5e0cbec246b7a2",
"versionType": "git",
"status": "affected"
},
{
"version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
"lessThan": "f992bc72f681c32a682d474a29c2135a64d4f4e5",
"versionType": "git",
"status": "affected"
},
{
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"lessThan": "827c8efa0d1afe817b90f3618afff552e88348d2",
"versionType": "git",
"status": "affected"
},
{
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"versionType": "git",
"status": "affected"
},
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"versionType": "git",
"status": "affected"
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"lessThan": "694d5b401036a614f8080085a9de6f86ff0742dc",
"versionType": "git",
"status": "affected"
},
{
"version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
"lessThan": "892f41e12c8689130d552a9eb2b77bafd26484ab",
"versionType": "git",
"status": "affected"
},
{
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"lessThan": "8f45f089337d924db24397f55697cda0e6960516",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"fs/ocfs2/stack_user.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "3.14",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.14",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.4.301",
"lessThanOrEqual": "5.4.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.10.246",
"lessThanOrEqual": "5.10.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.15.195",
"lessThanOrEqual": "5.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.156",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.112",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.53",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.17.3",
"lessThanOrEqual": "6.17.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.18",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/283333079d96c84baa91f0c62b5e0cbec246b7a2",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/827c8efa0d1afe817b90f3618afff552e88348d2",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/892f41e12c8689130d552a9eb2b77bafd26484ab",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/8f45f089337d924db24397f55697cda0e6960516",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/bfe011297ddd2d0cd64752978baaa0c04cd20573",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f992bc72f681c32a682d474a29c2135a64d4f4e5",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}