Description
A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | gnome-shell | < 42.*, 43.0 – < 43.9, 44.0 – < 44.5 | 42.* |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gnome-shell | 44.5-1 | — |
| Debian 13 | gnome-shell | 44.5-1 | — |
| Debian 12 | gnome-shell | 43.6-1~deb12u2 | DSA-5501-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | gnome-shell | 45.3-150600.5.6.1 | SUSE-SU-2024:2576-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gnome-shell | 45.0-2.1 | openSUSE-SU-2024:13251-1 |
| openSUSE Leap 15.6 | gnome-shell | 45.3-150600.5.6.1 | SUSE-SU-2024:2576-1 |
Advisories 4
- DSA-5501-1 gnome-shell - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:13251-1 gnome-extensions-45.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2576-1 Security update for gnome-shell SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2445 GNOME: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Sep 26, 2023