A xorg-x11-server security update has been released for openSUSE Leap 15.5 and SUSE Linux Enterprise.

SUSE-SU-2023:4272-1: important: Security update for xorg-x11-server

# Security update for xorg-x11-server

Announcement ID: SUSE-SU-2023:4272-1
Rating: important
References:

* bsc#1216133
* bsc#1216135
* bsc#1216261

Cross-References:

* CVE-2023-5367
* CVE-2023-5380
* CVE-2023-5574

CVSS scores:

* CVE-2023-5367 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-5367 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-5380 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-5380 ( NVD ): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-5574 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-5574 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:

* Basesystem Module 15-SP5
* Development Tools Module 15-SP5
* openSUSE Leap 15.5
* SUSE Linux Enterprise Desktop 15 SP5
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves three vulnerabilities can now be installed.

## Description:

This update for xorg-x11-server fixes the following issues:

* CVE-2023-5574: Fixed a privilege escalation issue that could be triggered
via the Damage extension protocol (bsc#1216261).
* CVE-2023-5380: Fixed a memory safety issue that could be triggered when
using multiple protocol screens (bsc#1216133).
* CVE-2023-5367: Fixed a memory safety issue in both the XI2 and RandR
protocols (bsc#1216135).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

* openSUSE Leap 15.5
zypper in -t patch SUSE-2023-4272=1 openSUSE-SLE-15.5-2023-4272=1

* Basesystem Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4272=1

* Development Tools Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP5-2023-4272=1

## Package List:

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
* xorg-x11-server-source-21.1.4-150500.7.7.1
* xorg-x11-server-Xvfb-21.1.4-150500.7.7.1
* xorg-x11-server-Xvfb-debuginfo-21.1.4-150500.7.7.1
* xorg-x11-server-debuginfo-21.1.4-150500.7.7.1
* xorg-x11-server-extra-debuginfo-21.1.4-150500.7.7.1
* xorg-x11-server-sdk-21.1.4-150500.7.7.1
* xorg-x11-server-extra-21.1.4-150500.7.7.1
* xorg-x11-server-debugsource-21.1.4-150500.7.7.1
* xorg-x11-server-21.1.4-150500.7.7.1
* Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
* xorg-x11-server-Xvfb-21.1.4-150500.7.7.1
* xorg-x11-server-Xvfb-debuginfo-21.1.4-150500.7.7.1
* xorg-x11-server-debuginfo-21.1.4-150500.7.7.1
* xorg-x11-server-extra-debuginfo-21.1.4-150500.7.7.1
* xorg-x11-server-extra-21.1.4-150500.7.7.1
* xorg-x11-server-debugsource-21.1.4-150500.7.7.1
* xorg-x11-server-21.1.4-150500.7.7.1
* Development Tools Module 15-SP5 (aarch64 ppc64le s390x x86_64)
* xorg-x11-server-sdk-21.1.4-150500.7.7.1
* xorg-x11-server-debugsource-21.1.4-150500.7.7.1
* xorg-x11-server-debuginfo-21.1.4-150500.7.7.1

## References:

* https://www.suse.com/security/cve/CVE-2023-5367.html
* https://www.suse.com/security/cve/CVE-2023-5380.html
* https://www.suse.com/security/cve/CVE-2023-5574.html
* https://bugzilla.suse.com/show_bug.cgi?id=1216133
* https://bugzilla.suse.com/show_bug.cgi?id=1216135
* https://bugzilla.suse.com/show_bug.cgi?id=1216261