CVE-2025-21966
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-21966
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21966.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-21966
- Downstream
- Related
- Published
- 2025-04-01T15:47:01.836Z
- Modified
- 2025-11-20T08:27:04.431254Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
dm-flakey: Fix memory corruption in optional corruptbiobyte feature
Fix memory corruption due to incorrect parameter being passed to bio_init
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/57e9417f69839cb10f7ffca684c38acd28ceb57b
- https://git.kernel.org/stable/c/5a87e46da2418c57b445371f5ca0958d5779ba5f
- https://git.kernel.org/stable/c/818330f756f3800c37d738bd36bce60eac949938
- https://git.kernel.org/stable/c/da070843e153471be4297a12fdaa64023276f40e
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced1d9a943898533e83f20370c0e1448d606627522eFixed818330f756f3800c37d738bd36bce60eac949938
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced1d9a943898533e83f20370c0e1448d606627522eFixed5a87e46da2418c57b445371f5ca0958d5779ba5f
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced1d9a943898533e83f20370c0e1448d606627522eFixedda070843e153471be4297a12fdaa64023276f40e
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced1d9a943898533e83f20370c0e1448d606627522eFixed57e9417f69839cb10f7ffca684c38acd28ceb57b
Affected versions
v6.*
v6.10
v6.10-rc1
v6.10-rc2
v6.10-rc3
v6.10-rc4
v6.10-rc5
v6.10-rc6
v6.10-rc7
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.12
v6.12-rc1
v6.12-rc2
v6.12-rc3
v6.12-rc4
v6.12-rc5
v6.12-rc6
v6.12-rc7
v6.12.1
v6.12.10
v6.12.11
v6.12.12
v6.12.13
v6.12.14
v6.12.15
v6.12.16
v6.12.17
v6.12.18
v6.12.19
v6.12.2
v6.12.3
v6.12.4
v6.12.5
v6.12.6
v6.12.7
v6.12.8
v6.12.9
v6.13
v6.13-rc1
v6.13-rc2
v6.13-rc3
v6.13-rc4
v6.13-rc5
v6.13-rc6
v6.13-rc7
v6.13.1
v6.13.2
v6.13.3
v6.13.4
v6.13.5
v6.13.6
v6.13.7
v6.14-rc1
v6.14-rc2
v6.14-rc3
v6.4
v6.4-rc3
v6.4-rc4
v6.4-rc5
v6.4-rc6
v6.4-rc7
v6.5
v6.5-rc1
v6.5-rc2
v6.5-rc3
v6.5-rc4
v6.5-rc5
v6.5-rc6
v6.5-rc7
v6.6
v6.6-rc1
v6.6-rc2
v6.6-rc3
v6.6-rc4
v6.6-rc5
v6.6-rc6
v6.6-rc7
v6.6.1
v6.6.10
v6.6.11
v6.6.12
v6.6.13
v6.6.14
v6.6.15
v6.6.16
v6.6.17
v6.6.18
v6.6.19
v6.6.2
v6.6.20
v6.6.21
v6.6.22
v6.6.23
v6.6.24
v6.6.25
v6.6.26
v6.6.27
v6.6.28
v6.6.29
v6.6.3
v6.6.30
v6.6.31
v6.6.32
v6.6.33
v6.6.34
v6.6.35
v6.6.36
v6.6.37
v6.6.38
v6.6.39
v6.6.4
v6.6.40
v6.6.41
v6.6.42
v6.6.43
v6.6.44
v6.6.45
v6.6.46
v6.6.47
v6.6.48
v6.6.49
v6.6.5
v6.6.50
v6.6.51
v6.6.52
v6.6.53
v6.6.54
v6.6.55
v6.6.56
v6.6.57
v6.6.58
v6.6.59
v6.6.6
v6.6.60
v6.6.61
v6.6.62
v6.6.63
v6.6.64
v6.6.65
v6.6.66
v6.6.67
v6.6.68
v6.6.69
v6.6.7
v6.6.70
v6.6.71
v6.6.72
v6.6.73
v6.6.74
v6.6.75
v6.6.76
v6.6.77
v6.6.78
v6.6.79
v6.6.8
v6.6.80
v6.6.81
v6.6.82
v6.6.83
v6.6.9
v6.7
v6.7-rc1
v6.7-rc2
v6.7-rc3
v6.7-rc4
v6.7-rc5
v6.7-rc6
v6.7-rc7
v6.7-rc8
v6.8
v6.8-rc1
v6.8-rc2
v6.8-rc3
v6.8-rc4
v6.8-rc5
v6.8-rc6
v6.8-rc7
v6.9
v6.9-rc1
v6.9-rc2
v6.9-rc3
v6.9-rc4
v6.9-rc5
v6.9-rc6
v6.9-rc7
Database specific
vanir_signatures
[
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"206111157198289741631755877692819936026",
"51669690505917326231123146094446661320",
"137865252575101671918427673122445095790",
"320960605837177124131997881643362590176"
]
},
"id": "CVE-2025-21966-115ba11e",
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@da070843e153471be4297a12fdaa64023276f40e",
"target": {
"file": "drivers/md/dm-flakey.c"
}
},
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"length": 1592.0,
"function_hash": "228154174934261060272326658347621096203"
},
"id": "CVE-2025-21966-1d51cd51",
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@57e9417f69839cb10f7ffca684c38acd28ceb57b",
"target": {
"file": "drivers/md/dm-flakey.c",
"function": "clone_bio"
}
},
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"206111157198289741631755877692819936026",
"51669690505917326231123146094446661320",
"137865252575101671918427673122445095790",
"320960605837177124131997881643362590176"
]
},
"id": "CVE-2025-21966-264fe8b5",
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@57e9417f69839cb10f7ffca684c38acd28ceb57b",
"target": {
"file": "drivers/md/dm-flakey.c"
}
},
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"length": 1592.0,
"function_hash": "228154174934261060272326658347621096203"
},
"id": "CVE-2025-21966-c8f18251",
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@da070843e153471be4297a12fdaa64023276f40e",
"target": {
"file": "drivers/md/dm-flakey.c",
"function": "clone_bio"
}
}
]