SUSE: Kernel RT Important Security Update 2026:0169-1 CVE-2023-53676
suse
January 20, 2026
An update that solves two vulnerabilities can now be installed.
Summary
## This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.19 fixes various security issues The following security issues were fixed: * CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251787). * CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437). ## 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: * SUSE Linux Enterprise Live Patching 15-SP7 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-169=1 ## Package List: * SUSE Linux Enterprise Live Patching 15-SP7 (x86_64) * kernel-livepatch-SLE15-SP7-RT_Update_5-debugsource-2-150700.2.1
Topics Covered
References
* bsc#1251787
* bsc#1253437
Cross-
* CVE-2023-53676
* CVE-2025-40204
CVSS scores:
* CVE-2023-53676 ( SUSE ): 8.5
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2023-53676 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-40204 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
* CVE-2025-40204 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products:
* SUSE Linux Enterprise Live Patching 15-SP7
* SUSE Linux Enterprise Real Time 15 SP7
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP7
An update that solves two vulnerabilities can now be installed.
##
* https://www.suse.com/security/cve/CVE-2023-53676.html
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:0169-1
Release Date: 2026-01-19T16:04:33Z
Rating: important
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!