HIGH 7.8 Microsoft
CVE-2025-21966
dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature
Microsoft Security Update 2025-Apr: dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature
Affected Products
- azl3 kernel 6.6.82.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.85.1-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21966
- https://nvd.nist.gov/vuln/detail/CVE-2025-21966
This high severity vulnerability with a CVSS score of 7.8 was published on 2025-04-08 via Microsoft. Affected: azl3 kernel 6.6.82.1-1 on Azure Linux 3.0, azl3 kernel 6.6.85.1-2 on Azure Linux 3.0.
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