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SUSE Kernel Important Security Update 2026-3166-1 Fixes 513 Vulnerabilities

suse
Calendar Grey July 22, 2026
Scroller Suse
SUSE provides a critical security update for the kernel, addressing multiple vulnerabilities with effective patches recommended for installation.
SUSE announced a vital update for the Linux Kernel addressing 513 vulnerabilities, including significant security fixes and one new feature, with instructions for installation prov...

Summary

## The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: * CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 (bsc#1243603). * CVE-2025-71302: drm/panthor: fix for dma-fence safe access rules (bsc#1264837). * CVE-2026-31479: drm/xe: always keep track of remap prev/next (bsc#1262765). * CVE-2026-31503: udp: Fix wildcard bind conflict check when using hash2 (bsc#1263077). * CVE-2026-43019: Bluetooth: hci_conn: fix potential UAF in set_cig_params_sync (bsc#1264003). * CVE-2026-43057: net: mpls: error out if inner headers are not set (bsc#1264056). * CVE-2026-43092: xsk: validate MTU against usable frame size on bind (bsc#1264270).

Topics%20covered

Topics Covered

security advisory security issue SuSE remote access important kernel

References

* bsc#1204315

* bsc#1243603

* bsc#1251942

* bsc#1256564

* bsc#1257605

* bsc#1257777

* bsc#1260012

* bsc#1260593

* bsc#1261250

* bsc#1261562

* bsc#1262391

* bsc#1262603

* bsc#1262605

* bsc#1262614

* bsc#1262637

* bsc#1262639

* bsc#1262649

* bsc#1262653

* bsc#1262658

* bsc#1262659

* bsc#1262678

* bsc#1262723

* bsc#1262751

* bsc#1262757

* bsc#1262765

* bsc#1262768

* bsc#1262992

* bsc#1263008

* bsc#1263011

* bsc#1263013

* bsc#1263014

* bsc#1263016

* bsc#1263017

* bsc#1263020

* bsc#1263025

* bsc#1263030

* bsc#1263031

* bsc#1263045

* bsc#1263055

* bsc#1263059

* bsc#1263068

* bsc#1263073

* bsc#1263075

* bsc#1263077

* bsc#1263097

* bsc#1263111

* bsc#1263128

* bsc#1263134

* bsc#1263139

* bsc#1263142

* bsc#1263145

* bsc#1263167

* bsc#1263173

* bsc#1263175

* bsc#1263491

* bsc#1263493

* bsc#1263495

* bsc#1263539

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3166-1
Release Date: 2026-07-21T17:09:31Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE remote access important kernel

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