Security update for the Linux Kernel RT (Live Patch 0 for SUSE Linux Enterprise 15 SP7)

Announcement ID: SUSE-SU-2025:4167-1
Release Date: 2025-11-22T08:34:26Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-23145 ( 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-2025-23145 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-23145 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-38500 ( 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-2025-38500 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-38500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-38616 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise Live Patching 15-SP6
  • SUSE Linux Enterprise Live Patching 15-SP7
  • SUSE Linux Enterprise Real Time 15 SP6
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP6
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP6
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves three vulnerabilities can now be installed.

Description:

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.5 fixes various security issues

The following security issues were fixed:

  • CVE-2025-23145: mptcp: fix NULL pointer in can_accept_new_subflow (bsc#1242882).
  • CVE-2025-38500: xfrm: interface: fix use-after-free after changing collect_md xfrm interface (bsc#1248672).
  • CVE-2025-38616: tls: handle data disappearing from under the TLS ULP (bsc#1249537).

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 Enterprise Live Patching 15-SP6
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-4167=1 SUSE-SLE-Module-Live-Patching-15-SP6-2025-4163=1
  • SUSE Linux Enterprise Live Patching 15-SP7
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2025-4165=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP6 (x86_64)
    • kernel-livepatch-6_4_0-150600_10_23-rt-16-150600.2.1
    • kernel-livepatch-SLE15-SP6-RT_Update_7-debugsource-16-150600.2.1
    • kernel-livepatch-6_4_0-150600_10_23-rt-debuginfo-16-150600.2.1
    • kernel-livepatch-SLE15-SP6-RT_Update_8-debugsource-11-150600.2.1
    • kernel-livepatch-6_4_0-150600_10_26-rt-11-150600.2.1
    • kernel-livepatch-6_4_0-150600_10_26-rt-debuginfo-11-150600.2.1
  • SUSE Linux Enterprise Live Patching 15-SP7 (x86_64)
    • kernel-livepatch-SLE15-SP7-RT_Update_0-debugsource-8-150700.3.1
    • kernel-livepatch-6_4_0-150700_5-rt-8-150700.3.1
    • kernel-livepatch-6_4_0-150700_5-rt-debuginfo-8-150700.3.1

References: