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SUSE Linux 15 SP5 Kernel Important Update 2026-1606-1 CVE-2026-23103

suse
Calendar Grey April 24, 2026
Dist Suse Esm H88
An important security update for SUSE Kernel resolving seven issues is available. Install to maintain system stability and security.
An update that solves seven vulnerabilities and has two security fixes can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP5 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). * CVE-2026-23317: drm/vmwgfx: Return the correct value in vmw_translate_ptr functions (bsc#1260562). The following non security issues were fixed: * nvme-fc: use ctrl state getter (git-fixes bsc#1215492).

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

References

* bsc#1215492

* bsc#1246057

* bsc#1256675

* bsc#1257773

* bsc#1259797

* bsc#1260005

* bsc#1260009

* bsc#1260347

* bsc#1260562

Cross-

* CVE-2025-38234

* CVE-2025-68818

* CVE-2026-23103

* CVE-2026-23243

* CVE-2026-23272

* CVE-2026-23274

* CVE-2026-23317

CVSS scores:

* CVE-2025-38234 ( SUSE ): 5.7

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-38234 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-38234 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-68818 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-23103 ( SUSE ): 6.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-23103 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1606-1
Release Date: 2026-04-24T11:50:26Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

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