p PatchFirst

SUSE-SU-2026:1563-1

SUSE-SU-2026:1563-1 · Security update for the Linux Kernel

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38234: sched/rt: Fix race in push_rt_task (bsc#1246057). - CVE-2026-23103: ipvlan: Make the addrs_lock be per port (bsc#1257773). - CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259797). - CVE-2026-23272: netfilter: nf_tables: unconditionally bump set-nelems before insertion (bsc#1260009). - CVE-2026-23274: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels (bsc#1260005). The following non security issue was fixed: - watchdog/perf: properly initialize the turbo mode timestamp and rearm counter (bsc#1256504).

Fix available

Published
Updated

Stack: system

Affected products and versions

  • kernel-default SUSE:Linux Enterprise Micro 5.3

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-default-base SUSE:Linux Enterprise Micro 5.3

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1.150400.24.102.1

    Update to 5.14.21-150400.24.200.1.150400.24.102.1

  • kernel-source SUSE:Linux Enterprise Micro 5.3

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-default SUSE:Linux Enterprise Micro 5.4

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-default-base SUSE:Linux Enterprise Micro 5.4

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1.150400.24.102.1

    Update to 5.14.21-150400.24.200.1.150400.24.102.1

  • kernel-source SUSE:Linux Enterprise Micro 5.4

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-default SUSE:Linux Enterprise Live Patching 15 SP4

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-livepatch-sle15-sp4_update_50 SUSE:Linux Enterprise Live Patching 15 SP4

    Affected ranges
    • ECOSYSTEM: < 1-150400.9.3.1

    Update to 1-150400.9.3.1

  • kernel-default SUSE:Linux Enterprise High Availability Extension 15 SP4

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-64kb SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-default SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-default-base SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1.150400.24.102.1

    Update to 5.14.21-150400.24.200.1.150400.24.102.1

  • kernel-docs SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-obs-build SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-source SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-syms SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-64kb SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-default SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-default-base SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1.150400.24.102.1

    Update to 5.14.21-150400.24.200.1.150400.24.102.1

  • kernel-docs SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-obs-build SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-source SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-syms SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

  • kernel-64kb SUSE:Linux Enterprise Server 15 SP4-LTSS

    Affected ranges
    • ECOSYSTEM: < 5.14.21-150400.24.200.1

    Update to 5.14.21-150400.24.200.1

Original sources

Check your server →