Alerts This Week
Warning Icon 1 1,154
Alerts This Week
Warning Icon 1 1,154

SUSE Linux Significant Kernel Enhancement Notification April 2026 Edition

suse
Calendar Grey April 23, 2026
Dist Suse Esm H88
This SUSE update addresses 61 vulnerabilities in the Linux kernel, promoting enhanced security.
An update that solves 61 vulnerabilities and has 21 fixes can now be installed.

Summary

### The SUSE Linux Micro (RT) 6.0 and 6.1 kernel was updated to fix various security issues The following security issues 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 (bsc#1256784).

Topics%20covered

Topics Covered

security advisory buffer overflow DoS important kernel SUSE Linux Micro

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#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#1257836

* 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#1258447

* bsc#1258524

* bsc#1258641

* 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-2026:21241-1
Release Date: 2026-04-17T15:22:13Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow DoS important kernel SUSE Linux Micro

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here