CVE-2021-20315

Name	CVE-2021-20315
Description	A locking protection bypass flaw was found in some versions of gnome-shell as shipped within CentOS Stream 8, when the "Application menu" or "Window list" GNOME extensions are enabled. This flaw allows a physical attacker who has access to a locked system to kill existing applications and start new ones as the locked user, even if the session is still locked.
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
gnome-shell (PTS)	jessie	3.14.4-1~deb8u1	fixed
	stretch (security), stretch (lts), stretch	3.22.3-3+deb9u1	fixed
	buster	3.30.2-11~deb10u2	fixed
	bullseye (security), bullseye	3.38.6-1~deb11u2	fixed
	bookworm (security), bookworm	43.9-0+deb12u2	fixed
	sid, trixie	47.1-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
gnome-shell	source	(unstable)	(not affected)

- gnome-shell <not-affected> (Red Hat-specific backport error to CentOS 8 Streams)
https://bugzilla.redhat.com/show_bug.cgi?id=2006285