Security update for kernel-livepatch-MICRO-6-0_Update_5

Announcement ID: SUSE-SU-2025:20835-1
Release Date: 2025-10-07T15:38:32Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-21692 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-21692 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  • CVE-2025-21692 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-21692 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-21791 ( 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-2025-21791 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-21791 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-21791 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • 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 6.0

An update that solves four vulnerabilities can now be installed.

Description:

This update for kernel-livepatch-MICRO-6-0_Update_5 fixes the following issues:

  • CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing (bsc#1237048)
  • CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1240744)
  • 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 6.0
    zypper in -t patch SUSE-SLE-Micro-6.0-kernel-153=1

Package List:

  • SUSE Linux Micro 6.0 (s390x x86_64)
    • kernel-livepatch-6_4_0-25-default-debuginfo-9-1.2
    • kernel-livepatch-MICRO-6-0_Update_5-debugsource-9-1.2
    • kernel-livepatch-6_4_0-25-default-9-1.2

References: