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ALSA-2020:1766 — Moderate: GNOME security, bug fix, and enhancement update

Affected: AlmaLinux:8: accountsservice-devel, AlmaLinux:8: baobab, AlmaLinux:8: clutter, AlmaLinux:8: clutter-devel, AlmaLinux:8: clutter-doc, AlmaLinux:8: gjs-devel, AlmaLinux:8: gnome-menus, AlmaLinux:8: gnome-menus-devel, AlmaLinux:8: gnome-tweaks, AlmaLinux:8: mozjs52 and 5 more

GNOME is the default desktop environment of AlmaLinux.

Security Fix(es):

* LibRaw: stack-based buffer overflow in the parse_makernote function of dcraw_common.cpp (CVE-2018-20337)

* gdm: lock screen bypass when timed login is enabled (CVE-2019-3825)

* gvfs: mishandling of file ownership in daemon/gvfsbackendadmin.c (CVE-2019-12447)

* gvfs: race condition in daemon/gvfsbackendadmin.c due to admin backend not implementing query_info_on_read/write (CVE-2019-12448)

* gvfs: mishandling of file's user and group ownership in daemon/gvfsbackendadmin.c due to unavailability of root privileges (CVE-2019-12449)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

bdu:2020-02203

EUVD-2026-49783

fkie_cve-2019-3825

A vulnerability was discovered in gdm before 3.31.4. When timed login is enabled in configuration, an attacker could bypass the lock screen by selecting the timed login user and waiting for the timer to expire, at which time they would gain access to the logged-in user's session.

GHSA-pfhm-wwqj-c296

gsd-2019-3825

OESA-2021-1044 — gdm security update

Affected: openEuler:20.03-LTS: gdm, openEuler:20.03-LTS-SP1: gdm

The GNOME Display Manager is a system service that is responsible for providing graphical log-ins and managing local and remote displays, and if the session doesn't provide a display server, GDM will start the display server. It also provides initiate functionality for user-switching, so multiple users can be logged in at the same time. Security Fix(es): A vulnerability was discovered in gdm before 3.31.4. When timed login is enabled in configuration, an attacker could bypass the lock screen by selecting the timed login user and waiting for the timer to expire, at which time they would gain access to the logged-in user's session.(CVE-2019-3825)

openSUSE-SU-2019:0310-1 — Security update for gdm

Security update for gdm

SUSE-SU-2019:0527-1 — Security update for gdm

Security update for gdm

UBUNTU-CVE-2019-3825

Affected: Ubuntu:16.04:LTS: gdm3, Ubuntu:18.04:LTS: gdm3