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openSUSE Leap Kernel Important Security Fix 2026-1342-1 CVE-2025-38234

suse
Calendar Grey April 15, 2026
Scroller Suse
SUSE Linux kernel update fixes multiple security issues. Ensure to install immediately to protect your system.
An update that solves seven vulnerabilities can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP3 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-2026-23293: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled (bsc#1260486). * CVE-2026-23398: icmp: fix NULL pointer dereference in icmp_tag_validation() (bsc#1260730).

Topics%20covered

Topics Covered

security advisory important security patch kernel system vulnerability OpenSUSE

References

* bsc#1246057

* bsc#1257773

* bsc#1259797

* bsc#1260005

* bsc#1260009

* bsc#1260486

* bsc#1260730

Cross-

* CVE-2025-38234

* CVE-2026-23103

* CVE-2026-23243

* CVE-2026-23272

* CVE-2026-23274

* CVE-2026-23293

* CVE-2026-23398

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-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

* CVE-2026-23103 ( NVD ): 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
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Critical

Announcement ID: SUSE-SU-2026:1342-1
Release Date: 2026-04-15T10:15:56Z
Rating: important

Topics%20covered

Topics Covered

security advisory important security patch kernel system vulnerability OpenSUSE

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