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SUSE: Critical Kernel Livepatch Authentication Vulnerability 2025:20819-2

suse
Calendar Grey October 14, 2025
Dist Suse Esm H88
Kernel Livepatch for SUSE fixes critical bugs for Micro 6.1 enhancing security from vulnerabilities. Immediate update recommended.
* bsc#1245509 * bsc#1247315 Cross-References: * CVE-2025-38089

Summary

## This update for kernel-livepatch-MICRO-6-0-RT_Update_9 fixes the following issues: * CVE-2025-38089: sunrpc: handle SVC_GARBAGE during svc auth processing as auth error (bsc#1245509) * CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315) ## 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 Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-kernel-148=1 ## Package List: * SUSE Linux Micro 6.1 (x86_64) * kernel-livepatch-6_4_0-33-rt-debuginfo-5-1.2 * kernel-livepatch-MICRO-6-0-RT_Update_9-debugsource-5-1.2 * kernel-livepatch-6_4_0-33-rt-5-1.2

Topics%20covered

Topics Covered

security advisory important race condition SUSE Linux Micro kernel livepatch auth error

References

* bsc#1245509

* bsc#1247315

Cross-

* CVE-2025-38089

* CVE-2025-38477

CVSS scores:

* CVE-2025-38089 ( SUSE ): 8.7

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

* CVE-2025-38089 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-38477 ( SUSE ): 7.3

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

* CVE-2025-38477 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* SUSE Linux Micro 6.1

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-38089.html

* https://www.suse.com/security/cve/CVE-2025-38477.html

* https://bugzilla.suse.com/show_bug.cgi?id=1245509

* https://bugzilla.suse.com/show_bug.cgi?id=1247315

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:20818-1
Release Date: 2025-10-07T15:38:32Z
Rating: important

Topics%20covered

Topics Covered

security advisory important race condition SUSE Linux Micro kernel livepatch auth error

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