Oracle Linux: CVE-2019-3820: ELSA-2020-1021: GNOME security, bug fix, and enhancement update (MODERATE)

It 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.
A vulnerability was found where the gnome-shell lock screen, since version 3.15.91, does not properly restrict all contextual actions. An attacker with physical access to a locked workstation could invoke certain keyboard shortcuts and potentially other actions. This vulnerability was fixed in gnome-shell 3.31.5 and 3.30.3.