gnome screensaver before 2.14, when running on an X server with AllowDeactivateGrabs and AllowClosedownGrabs enabled, allows attackers with physical access to cause the screensaver to crash and access the session via the Ctl+Alt+Keypad-Multiply keyboard sequence, which removes the grab from gnome.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Screensaver | Gnome | * | 2.13 (including) |