CVE-2025-21966

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Source
https://nvd.nist.gov/vuln/detail/CVE-2025-21966
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21966.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21966
Downstream
Related
Published
2025-04-01T15:47:01.836Z
Modified
2025-11-27T02:33:11.427740Z
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

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/blob/cc431b3424123d84bcd7afd4de150b33f117a8ef/cves/2025/21xxx/CVE-2025-21966.json"
}
References

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
Introduced
1d9a943898533e83f20370c0e1448d606627522e
Fixed
818330f756f3800c37d738bd36bce60eac949938
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
1d9a943898533e83f20370c0e1448d606627522e
Fixed
5a87e46da2418c57b445371f5ca0958d5779ba5f
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
1d9a943898533e83f20370c0e1448d606627522e
Fixed
da070843e153471be4297a12fdaa64023276f40e
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
1d9a943898533e83f20370c0e1448d606627522e
Fixed
57e9417f69839cb10f7ffca684c38acd28ceb57b

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.5.0
Fixed
6.6.84
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.20
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.13.8