This update for gnome-shell fixes the following issues:
Security issue fixed:
CVE-2019-3820: Fixed a partial lock screen bypass (bsc#1124493).
Fixed bugs:
Remove sessionList of endSessionDialog for security reasons (jsc#SLE-6660).
Affected Packages
gnome-shell
SUSE Linux Enterprise Desktop 12 SP3SUSE Linux Enterprise Desktop 12 SP4SUSE Linux Enterprise Server 12 SP3SUSE Linux Enterprise Server 12 SP4SUSE Linux Enterprise Server for SAP Applications 12 SP3
Fixed in:
3.20.4-77.23.1
gnome-shell-browser-plugin
SUSE Linux Enterprise Desktop 12 SP3SUSE Linux Enterprise Desktop 12 SP4SUSE Linux Enterprise Server 12 SP3SUSE Linux Enterprise Server 12 SP4SUSE Linux Enterprise Server for SAP Applications 12 SP3
Fixed in:
3.20.4-77.23.1
gnome-shell-calendar
SUSE Linux Enterprise Desktop 12 SP3SUSE Linux Enterprise Desktop 12 SP4SUSE Linux Enterprise Workstation Extension 12 SP3SUSE Linux Enterprise Workstation Extension 12 SP4
Fixed in:
3.20.4-77.23.1
gnome-shell-lang
SUSE Linux Enterprise Desktop 12 SP3SUSE Linux Enterprise Desktop 12 SP4SUSE Linux Enterprise Server 12 SP3SUSE Linux Enterprise Server 12 SP4SUSE Linux Enterprise Server for SAP Applications 12 SP3
Fixed in:
3.20.4-77.23.1
gnome-shell-devel
SUSE Linux Enterprise Software Development Kit 12 SP3SUSE Linux Enterprise Software Development Kit 12 SP4