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SUSE Linux Micro 6.1 Kernel Important Security Update 2026-21877-1

suse
Calendar Grey June 2, 2026
Dist Suse Esm H88
SUSE Linux Micro 6.1 critical security update for kernel fixes 181 vulnerabilities, ensuring system safety and stability.
An update that solves 181 vulnerabilities, contains one feature and has 19 fixes can now be installed.

Summary

## The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 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-2025-71183: btrfs: always detect conflicting inodes when logging inode refs (bsc#1257631). * CVE-2026-23168: flex_proportions: make fprop_new_period() hardirq safe (bsc#1258826). * CVE-2026-23239: espintcp: Fix race condition in espintcp_close() (bsc#1259485). * CVE-2026-23240: tls: Fix race condition in tls_sw_cancel_work_tx() (bsc#1259484). * CVE-2026-23245: net/sched: act_gate: snapshot parameters with RCU on replace (bsc#1259799). * CVE-2026-23271: perf: Fix __perf_event_overflow() vs perf_remove_from_context() race (bsc#1260018).

Topics%20covered

Topics Covered

security advisory security update SuSE DoS important kernel

References

* bsc#1215199

* bsc#1234634

* bsc#1243603

* bsc#1248754

* bsc#1253122

* bsc#1253754

* bsc#1254518

* bsc#1256863

* bsc#1257631

* bsc#1258518

* bsc#1258718

* bsc#1258826

* bsc#1258849

* bsc#1258850

* bsc#1258854

* bsc#1258855

* bsc#1258856

* bsc#1258857

* bsc#1258961

* bsc#1259186

* bsc#1259199

* bsc#1259222

* bsc#1259484

* bsc#1259485

* bsc#1259535

* bsc#1259799

* bsc#1259806

* bsc#1259857

* bsc#1259868

* bsc#1259869

* bsc#1259873

* bsc#1259878

* bsc#1260010

* bsc#1260012

* bsc#1260018

* bsc#1260468

* bsc#1260483

* bsc#1260484

* bsc#1260485

* bsc#1260489

* bsc#1260501

* bsc#1260504

* bsc#1260505

* bsc#1260507

* bsc#1260522

* bsc#1260523

* bsc#1260526

* bsc#1260528

* bsc#1260529

* bsc#1260530

* bsc#1260531

* bsc#1260532

* bsc#1260533

* bsc#1260536

* bsc#1260537

* bsc#1260538

* bsc#1260541

* bsc#1260546

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21877-1
Release Date: 2026-05-29T17:53:27Z
Rating: important

Topics%20covered

Topics Covered

security advisory security update SuSE DoS important kernel

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