# Security update for xorg-x11-server

Announcement ID: SUSE-SU-2023:4787-1  
Rating: important  
References:

  * bsc#1217765
  * bsc#1217766

  
Cross-References:

  * CVE-2023-6377
  * CVE-2023-6478

  
CVSS scores:

  * CVE-2023-6377 ( SUSE ):  8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-6478 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

  
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 two vulnerabilities can now be installed.

## Description:

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

  * CVE-2023-6377: Fixed Out-of-bounds memory write in XKB button
    actions(bsc#1217765).
  * CVE-2023-6478: Fixed Out-of-bounds memory read in RRChangeOutputProperty and
    RRChangeProviderProperty (bsc#1217766).

## 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-2023-4787=1 openSUSE-SLE-15.5-2023-4787=1

  * Basesystem Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4787=1

  * Development Tools Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP5-2023-4787=1

## Package List:

  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    * xorg-x11-server-Xvfb-21.1.4-150500.7.10.1
    * xorg-x11-server-extra-21.1.4-150500.7.10.1
    * xorg-x11-server-extra-debuginfo-21.1.4-150500.7.10.1
    * xorg-x11-server-Xvfb-debuginfo-21.1.4-150500.7.10.1
    * xorg-x11-server-debugsource-21.1.4-150500.7.10.1
    * xorg-x11-server-sdk-21.1.4-150500.7.10.1
    * xorg-x11-server-debuginfo-21.1.4-150500.7.10.1
    * xorg-x11-server-source-21.1.4-150500.7.10.1
    * xorg-x11-server-21.1.4-150500.7.10.1
  * Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    * xorg-x11-server-Xvfb-21.1.4-150500.7.10.1
    * xorg-x11-server-extra-21.1.4-150500.7.10.1
    * xorg-x11-server-extra-debuginfo-21.1.4-150500.7.10.1
    * xorg-x11-server-Xvfb-debuginfo-21.1.4-150500.7.10.1
    * xorg-x11-server-debugsource-21.1.4-150500.7.10.1
    * xorg-x11-server-debuginfo-21.1.4-150500.7.10.1
    * xorg-x11-server-21.1.4-150500.7.10.1
  * Development Tools Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    * xorg-x11-server-debugsource-21.1.4-150500.7.10.1
    * xorg-x11-server-sdk-21.1.4-150500.7.10.1
    * xorg-x11-server-debuginfo-21.1.4-150500.7.10.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-6377.html
  * https://www.suse.com/security/cve/CVE-2023-6478.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1217765
  * https://bugzilla.suse.com/show_bug.cgi?id=1217766