CVE-2025-37808
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…
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.21% probability · 12th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- linux/linux kernel · debian/debian linux
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS 0.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- 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
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.htmlMailing List
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.htmlMailing List
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.