CVE-2021-4203

NameCVE-2021-4203
Descriptionaf_unix: fix races in sk_peer_pid and sk_peer_cred accesses
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1vulnerable
stretch (security)4.9.290-1fixed
buster4.19.208-1vulnerable
buster (security)4.19.194-3vulnerable
bullseye5.10.84-1fixed
bullseye (security)5.10.92-1fixed
bookworm, sid5.15.15-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.290-1
linuxsourcebullseye5.10.84-1
linuxsource(unstable)5.14.12-1

Notes

https://bugs.chromium.org/p/project-zero/issues/detail?id=2230
https://git.kernel.org/linus/35306eb23814444bd4021f8a1c3047d3cb0c8b2b (5.15-rc4)

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