SUSE-SU-2026:1563-1

Advisory lineage Upstream: 6 Downstream: 0
Published: 23 Apr 2026, 07:08
Last modified:24 Apr 2026, 08:15

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Apr 2026, 07:08
Published
Vulnerability first disclosed
24 Apr 2026, 08:15
Last Modified
Vulnerability information updated

Description

Security update for the Linux Kernel 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).

Affected Systems

  • suse•kernel-64kb&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS

    < 5.14.21-150400.24.200.1

  • suse•kernel-64kb&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-64kb&distro=SUSE Linux Enterprise Server 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-default-base&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS

    < 5.14.21-150400.24.200.1.150400.24.102.1

  • suse•kernel-default-base&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS

    < 5.14.21-150400.24.200.1.150400.24.102.1

  • suse•kernel-default-base&distro=SUSE Linux Enterprise Micro 5.3

    < 5.14.21-150400.24.200.1.150400.24.102.1

  • suse•kernel-default-base&distro=SUSE Linux Enterprise Micro 5.4

    < 5.14.21-150400.24.200.1.150400.24.102.1

  • suse•kernel-default-base&distro=SUSE Linux Enterprise Server 15 SP4-LTSS

    < 5.14.21-150400.24.200.1.150400.24.102.1

  • suse•kernel-default-base&distro=SUSE Linux Enterprise Server for SAP Applications 15 SP4

    < 5.14.21-150400.24.200.1.150400.24.102.1

  • suse•kernel-default&distro=SUSE Linux Enterprise High Availability Extension 15 SP4

    < 5.14.21-150400.24.200.1

  • suse•kernel-default&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS

    < 5.14.21-150400.24.200.1

  • suse•kernel-default&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-default&distro=SUSE Linux Enterprise Live Patching 15 SP4

    < 5.14.21-150400.24.200.1

  • suse•kernel-default&distro=SUSE Linux Enterprise Micro 5.3

    < 5.14.21-150400.24.200.1

  • suse•kernel-default&distro=SUSE Linux Enterprise Micro 5.4

    < 5.14.21-150400.24.200.1

  • suse•kernel-default&distro=SUSE Linux Enterprise Server 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-default&distro=SUSE Linux Enterprise Server for SAP Applications 15 SP4

    < 5.14.21-150400.24.200.1

  • suse•kernel-docs&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS

    < 5.14.21-150400.24.200.1

  • suse•kernel-docs&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-docs&distro=SUSE Linux Enterprise Server 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-docs&distro=SUSE Linux Enterprise Server for SAP Applications 15 SP4

    < 5.14.21-150400.24.200.1

  • suse•kernel-livepatch-SLE15-SP4_Update_50&distro=SUSE Linux Enterprise Live Patching 15 SP4

    < 1-150400.9.3.1

  • suse•kernel-obs-build&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS

    < 5.14.21-150400.24.200.1

  • suse•kernel-obs-build&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-obs-build&distro=SUSE Linux Enterprise Server 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-obs-build&distro=SUSE Linux Enterprise Server for SAP Applications 15 SP4

    < 5.14.21-150400.24.200.1

  • suse•kernel-source&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS

    < 5.14.21-150400.24.200.1

  • suse•kernel-source&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-source&distro=SUSE Linux Enterprise Micro 5.3

    < 5.14.21-150400.24.200.1

  • suse•kernel-source&distro=SUSE Linux Enterprise Micro 5.4

    < 5.14.21-150400.24.200.1

  • suse•kernel-source&distro=SUSE Linux Enterprise Server 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-source&distro=SUSE Linux Enterprise Server for SAP Applications 15 SP4

    < 5.14.21-150400.24.200.1

  • suse•kernel-syms&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS

    < 5.14.21-150400.24.200.1

  • suse•kernel-syms&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-syms&distro=SUSE Linux Enterprise Server 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

  • suse•kernel-syms&distro=SUSE Linux Enterprise Server for SAP Applications 15 SP4

    < 5.14.21-150400.24.200.1

  • suse•kernel-zfcpdump&distro=SUSE Linux Enterprise Server 15 SP4-LTSS

    < 5.14.21-150400.24.200.1

References (14)