Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP6)

Announcement ID: SUSE-SU-2025:02648-1
Release Date: 2025-08-04T10:05:04Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2024-56664 ( 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-2024-56664 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2024-56664 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-21702 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-37752 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-37797 ( 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 15.3
  • openSUSE Leap 15.5
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise High Performance Computing 15 SP3
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise Live Patching 12-SP5
  • SUSE Linux Enterprise Live Patching 15-SP3
  • SUSE Linux Enterprise Live Patching 15-SP5
  • SUSE Linux Enterprise Live Patching 15-SP6
  • SUSE Linux Enterprise Micro 5.1
  • SUSE Linux Enterprise Micro 5.2
  • SUSE Linux Enterprise Micro 5.5
  • SUSE Linux Enterprise Real Time 15 SP5
  • SUSE Linux Enterprise Real Time 15 SP6
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 15 SP3
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server 15 SP6
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP3
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP6

An update that solves four vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 6.4.0-150600_10_23 fixes several issues.

The following security issues were fixed:

  • CVE-2024-56664: bpf, sockmap: Fix race between element replace and close() (bsc#1235250).
  • CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling (bsc#1245793).
  • CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776).
  • CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 (bsc#1245797).

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 12-SP5
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2025-2648=1 SUSE-SLE-Live-Patching-12-SP5-2025-2646=1
  • openSUSE Leap 15.3
    zypper in -t patch SUSE-2025-2649=1 SUSE-2025-2629=1 SUSE-2025-2628=1
  • SUSE Linux Enterprise Live Patching 15-SP3
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2025-2628=1 SUSE-SLE-Module-Live-Patching-15-SP3-2025-2649=1 SUSE-SLE-Module-Live-Patching-15-SP3-2025-2629=1
  • openSUSE Leap 15.5
    zypper in -t patch SUSE-2025-2623=1
  • SUSE Linux Enterprise Live Patching 15-SP5
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2025-2623=1
  • SUSE Linux Enterprise Live Patching 15-SP6
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-2644=1

Package List:

  • SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    • kgraft-patch-4_12_14-122_225-default-14-2.1
    • kgraft-patch-4_12_14-122_222-default-15-2.1
  • openSUSE Leap 15.3 (ppc64le s390x x86_64)
    • kernel-livepatch-5_3_18-150300_59_188-default-debuginfo-8-150300.2.1
    • kernel-livepatch-SLE15-SP3_Update_49-debugsource-13-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_188-default-8-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_170-default-debuginfo-15-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_170-default-15-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_179-default-13-150300.2.1
    • kernel-livepatch-SLE15-SP3_Update_52-debugsource-8-150300.2.1
    • kernel-livepatch-SLE15-SP3_Update_47-debugsource-15-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_179-default-debuginfo-13-150300.2.1
  • openSUSE Leap 15.3 (x86_64)
    • kernel-livepatch-5_3_18-150300_59_179-preempt-13-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_170-preempt-debuginfo-15-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_170-preempt-15-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_179-preempt-debuginfo-13-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_188-preempt-debuginfo-8-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_188-preempt-8-150300.2.1
  • SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP3_Update_49-debugsource-13-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_188-default-8-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_170-default-debuginfo-15-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_170-default-15-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_179-default-13-150300.2.1
    • kernel-livepatch-SLE15-SP3_Update_47-debugsource-15-150300.2.1
    • kernel-livepatch-5_3_18-150300_59_179-default-debuginfo-13-150300.2.1
  • openSUSE Leap 15.5 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150500_55_91-default-8-150500.2.1
    • kernel-livepatch-SLE15-SP5_Update_22-debugsource-8-150500.2.1
    • kernel-livepatch-5_14_21-150500_55_91-default-debuginfo-8-150500.2.1
  • SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150500_55_91-default-8-150500.2.1
    • kernel-livepatch-SLE15-SP5_Update_22-debugsource-8-150500.2.1
    • kernel-livepatch-5_14_21-150500_55_91-default-debuginfo-8-150500.2.1
  • SUSE Linux Enterprise Live Patching 15-SP6 (x86_64)
    • kernel-livepatch-SLE15-SP6-RT_Update_7-debugsource-9-150600.2.1
    • kernel-livepatch-6_4_0-150600_10_23-rt-9-150600.2.1
    • kernel-livepatch-6_4_0-150600_10_23-rt-debuginfo-9-150600.2.1

References: