[RHSA-2022:1814-01] Low: gnome-shell security and bug fix update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Low: gnome-shell security and bug fix update
Advisory ID:       RHSA-2022:1814-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:1814
Issue date:        2022-05-10
CVE Names:         CVE-2020-17489 
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1. Summary:

An update for gnome-shell is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Low. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

GNOME Shell acts as a compositing manager for the desktop, and displays
both application windows and other objects. It provides core interface
functions like switching windows, launching applications, and
notifications. It takes advantage of the capabilities of modern graphics
hardware and introduces innovative user interface concepts.

Security Fix(es):

* gnome-shell: Password from logged-out user may be shown on login screen
(CVE-2020-17489)

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 Red Hat
Enterprise Linux 8.6 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1868418 - CVE-2020-17489 gnome-shell: Password from logged-out user may be shown on login screen
2000918 - Enabled extensions appear on lock screen [rhel-8.6.0]
2025940 - [Bug] gnome-shell errors in syslog

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
gnome-shell-3.32.2-44.el8.src.rpm

aarch64:
gnome-shell-3.32.2-44.el8.aarch64.rpm
gnome-shell-debuginfo-3.32.2-44.el8.aarch64.rpm
gnome-shell-debugsource-3.32.2-44.el8.aarch64.rpm

ppc64le:
gnome-shell-3.32.2-44.el8.ppc64le.rpm
gnome-shell-debuginfo-3.32.2-44.el8.ppc64le.rpm
gnome-shell-debugsource-3.32.2-44.el8.ppc64le.rpm

s390x:
gnome-shell-3.32.2-44.el8.s390x.rpm
gnome-shell-debuginfo-3.32.2-44.el8.s390x.rpm
gnome-shell-debugsource-3.32.2-44.el8.s390x.rpm

x86_64:
gnome-shell-3.32.2-44.el8.x86_64.rpm
gnome-shell-debuginfo-3.32.2-44.el8.x86_64.rpm
gnome-shell-debugsource-3.32.2-44.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-17489
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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