CVE-2022-0480

NameCVE-2022-0480
DescriptionA flaw was found in the filelock_init in fs/locks.c function in the Linux kernel. This issue can lead to host memory exhaustion due to memcg not limiting the number of Portable Operating System Interface (POSIX) file locks.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2vulnerable
buster (security)4.19.304-1vulnerable
bullseye5.10.209-2vulnerable
bullseye (security)5.10.205-2vulnerable
bookworm6.1.76-1fixed
bookworm (security)6.1.69-1fixed
trixie6.6.15-2fixed
sid6.7.9-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)5.15.3-1

Notes

[bullseye] - linux <ignored> (Minor issue)
[buster] - linux <ignored> (Minor issue)
[stretch] - linux <ignored> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=2049700
https://git.kernel.org/linus/0f12156dff2862ac54235fc72703f18770769042 (5.15-rc1)

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