CVE-2023-4004

Name	CVE-2023-4004
Description	A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3623-1, DSA-5480-1, DSA-5492-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bookworm	6.1.176-1	fixed
	bookworm (security)	6.1.187-1	fixed
	trixie	6.12.94-1	fixed
	trixie (security)	6.12.107-1	fixed
	forky	7.1.12-1	fixed
	sid	7.1.13-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	buster	(not affected)
linux	source	bullseye	5.10.191-1	DSA-5480-1
linux	source	bookworm	6.1.52-1	DSA-5492-1
linux	source	(unstable)	6.4.11-1
linux-5.10	source	buster	5.10.197-1~deb10u1	DLA-3623-1

[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/87b5a5c209405cb6b57424cdfa226a6dbd349232 (6.5-rc3)