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SUSE Linux Enterprise 16.0 Kernel Important Update 2026-20931-1

suse
Calendar Grey April 1, 2026
Dist Suse Esm H88
SUSE's kernel update addresses 176 security issues, enhancing system stability and performance. Immediate action is advised.
An update that solves 176 vulnerabilities, contains two features and has 24 fixes can now be installed.

Summary

## The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues. The following security issues were fixed: * CVE-2025-39753: gfs2: Set .migrate_folio in gfs2_{rgrp,meta}_aops (bsc#1249590). * CVE-2025-39964: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (bsc#1251966). * CVE-2025-40099: cifs: parse_dfs_referrals: prevent oob on malformed input (bsc#1252911). * CVE-2025-40103: smb: client: Fix refcount leak for cifs_sb_tlink (bsc#1252924). * CVE-2025-40230: mm: prevent poison consumption when splitting THP (bsc#1254817). * CVE-2025-68173: ftrace: Fix softlockup in ftrace_module_enable (bsc#1255311). * CVE-2025-68186: ring-buffer: Do not warn in ring_buffer_map_get_reader() when reader catches up (bsc#1255144).

Topics%20covered

Topics Covered

security advisory SuSE DoS issue important kernel

References

* bsc#1234634

* bsc#1249590

* bsc#1250748

* bsc#1251135

* bsc#1251966

* bsc#1251971

* bsc#1252008

* bsc#1252266

* bsc#1252911

* bsc#1252924

* bsc#1253129

* bsc#1253691

* bsc#1254817

* bsc#1254928

* bsc#1255129

* bsc#1255144

* bsc#1255148

* bsc#1255311

* bsc#1255490

* bsc#1255572

* bsc#1255721

* bsc#1255868

* bsc#1256640

* bsc#1256675

* bsc#1256679

* bsc#1256708

* bsc#1256732

* bsc#1256784

* bsc#1256802

* bsc#1256865

* bsc#1256867

* bsc#1257154

* bsc#1257174

* bsc#1257209

* bsc#1257222

* bsc#1257228

* bsc#1257231

* bsc#1257246

* bsc#1257332

* bsc#1257466

* bsc#1257472

* bsc#1257473

* bsc#1257551

* bsc#1257552

* bsc#1257553

* bsc#1257554

* bsc#1257556

* bsc#1257557

* bsc#1257559

* bsc#1257560

* bsc#1257561

* bsc#1257562

* bsc#1257565

* bsc#1257570

* bsc#1257572

* bsc#1257573

* bsc#1257576

* bsc#1257579

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20931-1
Release Date: 2026-03-25T08:49:52Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE DoS issue important kernel

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