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SUSE Linux Enterprise Kernel Important Security Fixes SUSE-SU-2026-2111-1

suse
Calendar Grey May 29, 2026
Dist Suse Esm H88
SUSE Linux Enterprise updates kernel with important fixes addressing 62 vulnerabilities for improved security.
An update that solves 62 vulnerabilities and has three security fixes can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues The following security issues were fixed: * CVE-2021-47103: inet: fully convert sk->sk_rx_dst to RCU rules (bsc#1221010). * CVE-2023-20585: x86/CPU: Fix FPDSS on Zen1 (bsc#1243603). * CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (bsc#1264013). * 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-2026-23271: perf: Fix __perf_event_overflow() vs perf_remove_from_context() race (bsc#1260018). * CVE-2026-23351: netfilter: nft_set_pipapo: split gc into unlink and reclaim phase (bsc#1260526).

Topics%20covered

Topics Covered

security advisory denial of service security issue important kernel SUSE Linux Enterprise

References

* bsc#1221010

* bsc#1243603

* bsc#1258248

* bsc#1258518

* bsc#1258718

* bsc#1258849

* bsc#1258850

* bsc#1258854

* bsc#1258855

* bsc#1258856

* bsc#1258857

* bsc#1259484

* bsc#1259485

* bsc#1259857

* bsc#1260010

* bsc#1260018

* bsc#1260522

* bsc#1260526

* bsc#1260983

* bsc#1261287

* bsc#1261295

* bsc#1261638

* bsc#1261710

* bsc#1261779

* bsc#1261781

* bsc#1261796

* bsc#1261797

* bsc#1262179

* bsc#1262181

* bsc#1262602

* bsc#1262734

* bsc#1262758

* bsc#1263065

* bsc#1263085

* bsc#1263095

* bsc#1263131

* bsc#1263141

* bsc#1263165

* bsc#1263170

* bsc#1263176

* bsc#1263582

* bsc#1263600

* bsc#1263668

* bsc#1263723

* bsc#1263882

* bsc#1263901

* bsc#1263931

* bsc#1263933

* bsc#1264013

* bsc#1264059

* bsc#1264082

* bsc#1264450

* bsc#1264482

* bsc#1264634

* bsc#1264651

* bsc#1264848

* bsc#1265085

* bsc#1265090

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2111-1
Release Date: 2026-05-29T15:22:50Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service security issue important kernel SUSE Linux Enterprise

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