DescriptionIt was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions. An attacker with physical access to a locked workstation could invoke certain keyboard shortcuts, and potentially other actions.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs921490

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnome-shell (PTS)buster3.30.2-11~deb10u2fixed
bookworm, bookworm (security)43.6-1~deb12u2fixed
sid, trixie44.5-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnome-shellsourcejessie(not affected)


[stretch] - gnome-shell <no-dsa> (Minor issue)
[jessie] - gnome-shell <not-affected> (Vulnerable code not present)
Introduced by:
Introduced by:
Upstream issue:

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