CVE-2022-46341

Name	CVE-2022-46341
Description	A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked with a high keycode or button code. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.
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-3256-1, DSA-5304-1, ELA-782-1
Debian Bugs	1026071

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xorg-server (PTS)	jessie, jessie (lts)	2:1.16.4-1+deb8u17	fixed
	stretch (security)	2:1.19.2-1+deb9u9	vulnerable
	stretch (lts), stretch	2:1.19.2-1+deb9u20	fixed
	buster, buster (lts)	2:1.20.4-1+deb10u15	fixed
	buster (security)	2:1.20.4-1+deb10u14	fixed
	bullseye	2:1.20.11-1+deb11u13	fixed
	bullseye (security)	2:1.20.11-1+deb11u14	fixed
	bookworm (security), bookworm	2:21.1.7-3+deb12u8	fixed
	sid, trixie	2:21.1.14-2	fixed
xwayland (PTS)	bookworm	2:22.1.9-1	fixed
	sid, trixie	2:24.1.4-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
xorg-server	source	jessie	2:1.16.4-1+deb8u9	ELA-782-1
xorg-server	source	stretch	2:1.19.2-1+deb9u12	ELA-782-1
xorg-server	source	buster	2:1.20.4-1+deb10u7	DLA-3256-1
xorg-server	source	bullseye	2:1.20.11-1+deb11u4	DSA-5304-1
xorg-server	source	(unstable)	2:21.1.5-1		1026071
xwayland	source	(unstable)	2:22.1.6-1

Notes

https://lists.x.org/archives/xorg-announce/2022-December/003302.html
https://gitlab.freedesktop.org/xorg/xserver/commit/51eb63b0ee1509c6c6b8922b0e4aa037faa6f78b