CVE-2025-37808
Not scored
crypto: null - Use spin lock instead of mutex
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.
Exploit probability
0.2%
Published
May 8, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-37808
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0486de3c1b8223138dcc614846bd76364f758de6
- https://git.kernel.org/stable/c/1b66a5920b7fc7cc6251192a3fcad115b6d75dd5
- https://git.kernel.org/stable/c/1dd4a8561d85dea545cf93f56efc48df8176e218
- https://git.kernel.org/stable/c/8cf2945512a8c0ef74ddd5b5a4f6b6a2fb1a4efb
- https://git.kernel.org/stable/c/dcc47a028c24e793ce6d6efebfef1a1e92f80297
- https://git.kernel.org/stable/c/e27244cbe10658a66b8775be7f0acc4ad2f618d6
- https://git.kernel.org/stable/c/e307c54ac8198bf09652c72603ba6e6d97798410
- https://git.kernel.org/stable/c/f7a5a5c8e1ec16a4b2041398abe95de0e14572ef
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37808.json
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-37808