CentOS Errata and Security Advisory CESA-2017:2128
The GNOME Display Manager (GDM) provides the graphical login screen shown shortly after boot up, log out, and when user-switching.
The following packages have been upgraded to a later upstream version: gdm (3.22.3), gnome-session (3.22.3). (BZ#1386862, BZ#1386957)
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.4 Release Notes linked from the References section.
Merged security bulletin from advisories: http://lists.centos.org/pipermail/centos-cr-announce/2017-August/004125.html http://lists.centos.org/pipermail/centos-cr-announce/2017-August/004164.html
Affected packages: gdm gdm-devel gnome-session gnome-session-custom-session gnome-session-xsession
Upstream details at: