CVE-2022-4378

NameCVE-2022-4378
DescriptionA stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3244-1, DLA-3245-1, ELA-774-1, ELA-776-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1vulnerable
stretch (security)4.9.320-2vulnerable
stretch (lts), stretch4.9.320-3vulnerable
buster4.19.249-2vulnerable
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.205-2fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.69-1fixed
sid, trixie6.6.15-2fixed
linux-4.19 (PTS)jessie, jessie (lts)4.19.304-1~deb8u1fixed
stretch (security)4.19.232-1~deb9u1vulnerable
stretch (lts), stretch4.19.304-1~deb9u1fixed
linux-5.10 (PTS)stretch (lts), stretch5.10.205-2~deb9u1fixed
buster (security)5.10.209-2~deb10u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie(unfixed)end-of-life
linuxsourcestretch(unfixed)end-of-life
linuxsourcebuster4.19.269-1DLA-3245-1
linuxsourcebullseye5.10.158-1
linuxsource(unstable)6.0.12-1
linux-4.19sourcejessie4.19.269-1~deb8u1ELA-776-1
linux-4.19sourcestretch4.19.269-1~deb9u1ELA-776-1
linux-5.10sourcestretch5.10.158-2~deb9u1ELA-774-1
linux-5.10sourcebuster5.10.158-2~deb10u1DLA-3244-1

Notes

https://www.openwall.com/lists/oss-security/2022/12/09/1
https://git.kernel.org/linus/bce9332220bd677d83b19d21502776ad555a0e73
https://git.kernel.org/linus/e6cfaf34be9fcd1a8285a294e18986bfc41a409c

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