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SUSE Kernel Important Update Resolving 206 Security Issues 2026-21834-1

suse
Calendar Grey May 29, 2026
Dist Suse Esm H88
SUSE Linux Kernel update resolves 206 security issues, providing key fixes and performance enhancements for users.
An update that solves 206 vulnerabilities, contains five features and has 42 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-2023-2058: x86/CPU: Fix FPDSS on Zen1 (bsc#1243603). * CVE-2024-14027: xattr: switch to CLASS(fd) (bsc#1259420). * CVE-2025-40181: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP (bsc#1253471). * CVE-2025-68265: nvme: fix admin request_queue lifetime (bsc#1255360). * CVE-2025-68310: s390/pci: Avoid deadlock between PCI error recovery and mlx5 crdump (bsc#1255160). * CVE-2025-71302: drm/panthor: fix for dma-fence safe access rules (bsc#1264837). * CVE-2026-23168: flex_proportions: make fprop_new_period() hardirq safe (bsc#1258826). * CVE-2026-23245: net/sched: act_gate: snapshot parameters with RCU on replace (bsc#1259799).

Topics%20covered

Topics Covered

security advisory security issue SuSE security fix important kernel

References

* bsc#1215199

* bsc#1234634

* bsc#1241259

* bsc#1243603

* bsc#1248754

* bsc#1249104

* bsc#1250951

* bsc#1253471

* bsc#1254518

* bsc#1255160

* bsc#1255360

* bsc#1255459

* bsc#1255752

* bsc#1256288

* bsc#1256865

* bsc#1256867

* bsc#1258518

* bsc#1258718

* bsc#1258826

* bsc#1258849

* bsc#1258850

* bsc#1258854

* bsc#1258855

* bsc#1258856

* bsc#1258857

* bsc#1258933

* bsc#1258961

* bsc#1259186

* bsc#1259199

* bsc#1259222

* bsc#1259420

* bsc#1259461

* bsc#1259535

* bsc#1259672

* bsc#1259799

* bsc#1259806

* bsc#1259857

* bsc#1259865

* bsc#1259868

* bsc#1259869

* bsc#1259871

* bsc#1259873

* bsc#1259878

* bsc#1259889

* bsc#1259994

* bsc#1260010

* bsc#1260012

* bsc#1260018

* bsc#1260428

* bsc#1260468

* bsc#1260483

* bsc#1260484

* bsc#1260485

* bsc#1260489

* bsc#1260504

* bsc#1260505

* bsc#1260507

* bsc#1260514

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21834-1
Release Date: 2026-05-28T12:58:58Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE security fix important kernel

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