CVE-2023-0266

Name	CVE-2023-0266
Description	A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ\|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
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-3349-1, DLA-3403-1, DSA-5324-1

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)	6.1.119-1	fixed
	trixie	6.11.10-1	fixed
	sid	6.12.3-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	buster	4.19.282-1	DLA-3403-1
linux	source	bullseye	5.10.162-1	DSA-5324-1
linux	source	(unstable)	6.1.7-1
linux-5.10	source	buster	5.10.162-1~deb10u1	DLA-3349-1

https://git.kernel.org/linus/56b88b50565cd8b946a2d00b0c83927b7ebb055e