CVE-2023-3212

Name	CVE-2023-3212
Description	A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3623-1, DLA-3710-1, DSA-5448-1, DSA-5480-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.226-1	fixed
	bookworm	6.1.115-1	fixed
	bookworm (security)	6.1.112-1	fixed
	trixie	6.11.7-1	fixed
	sid	6.11.9-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	buster	4.19.304-1	DLA-3710-1
linux	source	bullseye	5.10.191-1	DSA-5480-1
linux	source	bookworm	6.1.37-1	DSA-5448-1
linux	source	(unstable)	6.3.7-1
linux-5.10	source	buster	5.10.197-1~deb10u1	DLA-3623-1

https://git.kernel.org/linus/504a10d9e46bc37b23d0a1ae2f28973c8516e636 (6.4-rc2)