CVE-2022-27666

Name	CVE-2022-27666
Description	A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DSA-5127-1, DSA-5173-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	buster	4.19.249-2	fixed
	buster (security)	4.19.282-1	fixed
	bullseye	5.10.178-3	fixed
	bullseye (security)	5.10.179-1	fixed
	bookworm, sid	6.1.27-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	stretch	(not affected)
linux	source	buster	4.19.249-2	DSA-5173-1
linux	source	bullseye	5.10.113-1	DSA-5127-1
linux	source	(unstable)	5.16.18-1

[stretch] - linux <not-affected> (Vulnerable code introduced later)
https://git.kernel.org/linus/ebe48d368e97d007bfeb76fcb065d6cfc4c96645 (5.17-rc8)