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SUSE: 2023:4293-1 Important: Xwayland Unsafe Memory Escalation Fix

suse
Calendar Grey October 31, 2023
Dist Suse Esm H88
Learn how to install the latest XWayland security update on SUSE to address critical memory safety and privilege escalation vulnerabilities effectively
* bsc#1216135 * bsc#1216261 Cross-References: * CVE-2023-5367

Summary

## This update for xwayland fixes the following issues: * CVE-2023-5574: Fixed a privilege escalation issue that could be triggered via the Damage extension protocol (bsc#1216261). * CVE-2023-5367: 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 15.4 zypper in -t patch SUSE-2023-4293=1 openSUSE-SLE-15.4-2023-4293=1 * SUSE Linux Enterprise Workstation Extension 15 SP4 zypper in -t patch SUSE-SLE-Product-WE-15-SP4-2023-4293=1 ## Package List: * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586) * xwayland-21.1.4-150400.3.20.1

Topics%20covered

Topics Covered

security advisory security fix important SUSE memory safety escalation xwayland

References

* bsc#1216135

* bsc#1216261

Cross-

* CVE-2023-5367

* 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-2023-5574 ( 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:

* openSUSE Leap 15.4

* SUSE Linux Enterprise Desktop 15 SP4

* SUSE Linux Enterprise Server 15 SP4

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

* SUSE Linux Enterprise Workstation Extension 15 SP4

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-5367.html

* https://www.suse.com/security/cve/CVE-2023-5574.html

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2023:4293-1
Rating: important

Topics%20covered

Topics Covered

security advisory security fix important SUSE memory safety escalation xwayland

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