CVE-2022-50048

Name	CVE-2022-50048
Description	In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: possible module reference underflow in error path dst->ops is set on when nft_expr_clone() fails, but module refcount has not been bumped yet, therefore nft_expr_destroy() leads to module reference underflow.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

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)	5.10.237-1	fixed
	bookworm	6.1.137-1	fixed
	bookworm (security)	6.1.140-1	fixed
	trixie	6.12.32-1	fixed
	trixie (security)	6.12.31-1	fixed
	sid	6.12.33-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
linux	source	bullseye	(not affected)
linux	source	(unstable)	6.0.2-1

[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/c485c35ff6783ccd12c160fcac6a0e504e83e0bf (6.0-rc2)