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SUSE Linux Micro 6.1 Kernel Important Security Fixes 2026-21114-1

suse
Calendar Grey April 17, 2026
Scroller Suse
Updates for SUSE Linux Micro kernel fixed 61 security issues. Important patches for stability and protection.
An update that solves 61 vulnerabilities and has 21 fixes can now be installed.

Summary

## The SUSE Linux Enterprise Micro 6.0 and 6.1 kernel was updated to receive various security bugfixes. The following security bugs were fixed: * CVE-2024-38542: RDMA/mana_ib: boundary check before installing cq callbacks (bsc#1226591). * CVE-2025-39817: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (bsc#1249998). * CVE-2025-39998: scsi: target: target_core_configfs: Add length check to avoid buffer overflow (bsc#1252073). * CVE-2025-40201: kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths (bsc#1253455). * CVE-2025-40253: s390/ctcm: Fix double-kfree (bsc#1255084). * CVE-2025-68794: iomap: adjust read range correctly for non-block-aligned positions (bsc#1256647). * CVE-2025-71125: tracing: Do not register unsupported perf events

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE remote access important kernel

References

* bsc#1226591

* bsc#1245728

* bsc#1249998

* bsc#1251135

* bsc#1251186

* bsc#1251971

* bsc#1252073

* bsc#1252266

* bsc#1253049

* bsc#1253455

* bsc#1254306

* bsc#1255084

* bsc#1256645

* bsc#1256647

* bsc#1256690

* bsc#1256784

* bsc#1257183

* bsc#1257466

* bsc#1257472

* bsc#1257473

* bsc#1257506

* bsc#1257561

* bsc#1257682

* bsc#1257732

* bsc#1257755

* bsc#1257773

* bsc#1257777

* bsc#1257814

* bsc#1257952

* bsc#1258280

* bsc#1258286

* bsc#1258293

* bsc#1258303

* bsc#1258305

* bsc#1258330

* bsc#1258337

* bsc#1258338

* bsc#1258340

* bsc#1258376

* bsc#1258389

* bsc#1258414

* bsc#1258424

* bsc#1258447

* bsc#1258524

* bsc#1258832

* bsc#1258849

* bsc#1259188

* bsc#1259461

* bsc#1259580

* bsc#1259707

* bsc#1259795

* bsc#1259797

* bsc#1259865

* bsc#1259870

* bsc#1259886

* bsc#1259889

* bsc#1259891

* bsc#1259997

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21114-1
Release Date: 2026-04-13T18:28:29Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE remote access important kernel

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