CVE-2025-40021
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: tracing: dynevent: Add a missing lockdown check on dynevent Since dynamic_events interface on tracefs is compatible with kprobe_events and uprobe_events, it should also check the lockdown status and reject if it is set.
Severity
Not scored
CVSS score
Not available
Vulnerability status
Deferred
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-10-24 13:15:47.263000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
"id": "CVE-2025-40021",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-10-24T13:15:47.263",
"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\ntracing: dynevent: Add a missing lockdown check on dynevent\n\nSince dynamic_events interface on tracefs is compatible with\nkprobe_events and uprobe_events, it should also check the lockdown\nstatus and reject if it is set."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ntracing: dynevent: Añadir una comprobación de bloqueo faltante en dynevent\n\nDado que la interfaz dynamic_events en tracefs es compatible con kprobe_events y uprobe_events, también debería verificar el estado de bloqueo y rechazar si está establecido."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"kernel/trace/trace_dynevent.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
"lessThan": "f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf",
"versionType": "git",
"status": "affected"
},
{
"version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
"lessThan": "0d41604d2d53c1abe27fefb54b37a8f6642a4d74",
"versionType": "git",
"status": "affected"
},
{
"version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
"lessThan": "07b1f63b5f86765793fab44d3d4c2be681cddafb",
"versionType": "git",
"status": "affected"
},
{
"version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
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"versionType": "git",
"status": "affected"
},
{
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"lessThan": "573b1e39edfcb7b4eecde0f1664455a1f4462eee",
"versionType": "git",
"status": "affected"
},
{
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"lessThan": "b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb",
"versionType": "git",
"status": "affected"
},
{
"version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
"lessThan": "456c32e3c4316654f95f9d49c12cbecfb77d5660",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"kernel/trace/trace_dynevent.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "5.4",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.4",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.10.245",
"lessThanOrEqual": "5.10.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.15.194",
"lessThanOrEqual": "5.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.155",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.109",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.50",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.16.10",
"lessThanOrEqual": "6.16.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.17",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/07b1f63b5f86765793fab44d3d4c2be681cddafb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/0d41604d2d53c1abe27fefb54b37a8f6642a4d74",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/3887f3814c0e770e6b73567fe0f83a2c01a6470c",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/456c32e3c4316654f95f9d49c12cbecfb77d5660",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/573b1e39edfcb7b4eecde0f1664455a1f4462eee",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}