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SUSE: 2023:4820-2 critical: xorg-x11-server buffer overflow

suse
Calendar Grey December 13, 2023
Dist Suse Esm H88
Crucial upgrade for xorg-x11-server addressing critical memory issues in openSUSE platforms. Implement patch without delay!
* bsc#1217765 * bsc#1217766 Cross-References: * CVE-2023-6377

Summary

## 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 15.4 zypper in -t patch SUSE-2023-4791=1 openSUSE-SLE-15.4-2023-4791=1 * Basesystem Module 15-SP4 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-4791=1 * Development Tools Module 15-SP4 zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP4-2023-4791=1 ## Package List:

Topics%20covered

Topics Covered

security advisory buffer overflow critical patch SUSE xorg-x11-server

References

* bsc#1217765

* bsc#1217766

Cross-

* 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-SP4

* Development Tools Module 15-SP4

* openSUSE Leap 15.4

* SUSE Linux Enterprise Desktop 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise Real Time 15 SP4

* SUSE Linux Enterprise Server 15 SP4

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

* SUSE Manager Proxy 4.3

* SUSE Manager Retail Branch Server 4.3

* SUSE Manager Server 4.3

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-6377.html

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4791-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow critical patch SUSE xorg-x11-server

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