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SUSE Linux Kernel Major Local Root Vulnerability Fix for 2026-2191-1

suse
Calendar Grey June 1, 2026
Dist Suse Esm H88
SUSE Linux Kernel update solves three important vulnerabilities. Install patches to safeguard your system and data.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.205 fixes various security issues The following security issues were fixed: * CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096). * CVE-2026-46300: FragNesia attack: another xfrm/esp based local root exploit (bsc#1265224). * CVE-2026-46333: ptrace: slightly saner 'get_dumpable()' logic (bsc#1265384). ## 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-2026-2191=1 SUSE-2026-2190=1 * SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-2191=1 SUSE-SLE-

Topics%20covered

Topics Covered

security advisory denial of service local root exploit SuSE important kernel

References

* bsc#1264096

* bsc#1265224

* bsc#1265384

Cross-

* CVE-2025-54518

* CVE-2026-46300

* CVE-2026-46333

CVSS scores:

* CVE-2025-54518 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-54518 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-54518 ( NVD ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-46300 ( SUSE ): 8.6

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-46300 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-46300 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2191-1
Release Date: 2026-06-01T06:36:48Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service local root exploit SuSE important kernel

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