CVE-2025-37808

NameCVE-2025-37808
DescriptionIn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-4178-1, DLA-4193-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1vulnerable
bullseye (security)5.10.237-1fixed
bookworm6.1.137-1fixed
bookworm (security)6.1.140-1fixed
trixie6.12.27-1fixed
sid6.12.30-1fixed
linux-6.1 (PTS)bullseye (security)6.1.137-1~deb11u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebullseye5.10.237-1DLA-4178-1
linuxsourcebookworm6.1.137-1
linuxsource(unstable)6.12.27-1
linux-6.1sourcebullseye6.1.137-1~deb11u1DLA-4193-1

Notes

https://git.kernel.org/linus/dcc47a028c24e793ce6d6efebfef1a1e92f80297 (6.15-rc1)

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