Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise Micro 6.0)

Announcement ID: SUSE-SU-2026:20276-1
Release Date: 2026-01-29T11:04:33Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-38588 ( 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-2025-38588 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-38588 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Micro 6.0

An update that solves one vulnerability and has one fix can now be installed.

Description:

This update for the SUSE Linux Enterprise kernel 6.4.0-25.1 fixes one security issue

The following security issue was fixed:

  • CVE-2025-38588: ipv6: prevent infinite loop in rt6_nlmsg_size() (bsc#1249241).

The following non security issue was fixed:

  • fix addr_bit_set() issue on big-endian machines (bsc#1256928).

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-255=1

Package List:

  • SUSE Linux Micro 6.0 (s390x x86_64)
    • kernel-livepatch-6_4_0-25-default-14-1.2
    • kernel-livepatch-MICRO-6-0_Update_5-debugsource-14-1.2
    • kernel-livepatch-6_4_0-25-default-debuginfo-14-1.2

References: