CVE-2023-28466

NameCVE-2023-28466
Descriptiondo_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3404-1, ELA-845-1

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)4.19.304-1vulnerable
bullseye5.10.209-2fixed
bullseye (security)5.10.205-2fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.69-1fixed
trixie6.6.15-2fixed
sid6.7.7-1fixed
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
linuxsourcebullseye5.10.178-1
linuxsource(unstable)6.1.20-1
linux-5.10sourcestretch5.10.178-3~deb9u1ELA-845-1
linux-5.10sourcebuster5.10.178-3~deb10u1DLA-3404-1

Notes

[buster] - linux <ignored> (Minor issue; CONFIG_TLS not enabled in Debian)
https://git.kernel.org/linus/49c47cc21b5b7a3d8deb18fc57b0aa2ab1286962

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