CVE-2023-45913

Name	CVE-2023-45913
Description	Mesa v23.0.4 was discovered to contain a NULL pointer dereference via the function dri2GetGlxDrawableFromXDrawableId(). This vulnerability is triggered when the X11 server sends an DRI2_BufferSwapComplete event unexpectedly when the application is using DRI3. NOTE: this is disputed because there is no scenario in which the vulnerability was demonstrated.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, 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
mesa (PTS)	bullseye	20.3.5-1	vulnerable
	bookworm	22.3.6-1+deb12u1	vulnerable
	trixie	25.0.7-2	vulnerable
	forky, sid	25.2.2-1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mesa	source	(unstable)	(unfixed)	unimportant

https://gitlab.freedesktop.org/mesa/mesa/-/issues/9856
Negligible (and disputed) security impact