CVE-2025-37808
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: null - Use spin lock instead of mutex As the null algorithm may be freed in softirq context through af_alg, use spin locks instead of mutexes to protect the default null algorithm.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0486de3c1b8223138dcc614846bd76364f758de6 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0486de3c1b8223138dcc614846bd76364f758de6Patch
- https://git.kernel.org/stable/c/1b66a5920b7fc7cc6251192a3fcad115b6d75dd5Patch
- https://git.kernel.org/stable/c/1dd4a8561d85dea545cf93f56efc48df8176e218Patch
- https://git.kernel.org/stable/c/8cf2945512a8c0ef74ddd5b5a4f6b6a2fb1a4efbPatch
- https://git.kernel.org/stable/c/dcc47a028c24e793ce6d6efebfef1a1e92f80297Patch
- https://git.kernel.org/stable/c/e27244cbe10658a66b8775be7f0acc4ad2f618d6Patch
- https://git.kernel.org/stable/c/e307c54ac8198bf09652c72603ba6e6d97798410Patch
- https://git.kernel.org/stable/c/f7a5a5c8e1ec16a4b2041398abe95de0e14572efPatch