Security update for the Linux Kernel (Live Patch 29 for SLE 15 SP5)

Announcement ID: SUSE-SU-2025:03403-1
Release Date: 2025-09-27T22:04:03Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-21701 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-38498 ( 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-2025-38498 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-38555 ( 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-2025-38555 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • openSUSE Leap 15.5
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise Live Patching 15-SP5
  • SUSE Linux Enterprise Micro 5.5
  • SUSE Linux Enterprise Real Time 15 SP5
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150500_55_116 fixes several issues.

The following security issues were fixed:

  • CVE-2025-38498: do_change_type(): refuse to operate on unmounted/not ours mounts (bsc#1247499).
  • CVE-2025-38555: usb: gadget : fix use-after-free in composite_dev_cleanup() (bsc#1248298).
  • CVE-2025-21701: net: avoid race between device unregistration and ethnl ops (bsc#1245805).

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 15.5
    zypper in -t patch SUSE-2025-3403=1
  • SUSE Linux Enterprise Live Patching 15-SP5
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2025-3403=1

Package List:

  • openSUSE Leap 15.5 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150500_55_116-default-3-150500.2.1
    • kernel-livepatch-5_14_21-150500_55_116-default-debuginfo-3-150500.2.1
    • kernel-livepatch-SLE15-SP5_Update_29-debugsource-3-150500.2.1
  • SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150500_55_116-default-3-150500.2.1
    • kernel-livepatch-5_14_21-150500_55_116-default-debuginfo-3-150500.2.1
  • SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x)
    • kernel-livepatch-SLE15-SP5_Update_29-debugsource-3-150500.2.1

References: