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openSUSE Leap 15.5 Kernel Important Security Fix SUSE-2026-2216-1

opensuse
Calendar Grey June 2, 2026
Dist Opensuse Esm H88
Critical kernel update for openSUSE fixes 62 vulnerabilities and addresses important security issues. Update recommended.
An update that solves 62 vulnerabilities and has two security fixes can now be installed.

Description

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security

issues

The following security issues were fixed:

* CVE-2022-49979: net: fix refcount bug in sk_psock_get (bsc#1245109).

* CVE-2023-20585: x86/CPU: Fix FPDSS on Zen1 (bsc#1243603).

* 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).

* CVE-2026-23393: bridge: cfm: Fix race condition in peer_mep deletion

(bsc#1260522).

* CVE-2026-23449: net/sched: teql: Fix double-free in teql_master_xmit

(bsc#1261779).

* CVE-2026-23450: net/smc: fix NULL dereference and UAF in

smc_tcp_syn_recv_sock() (bsc#1261584).

* CVE-2026-23458: netfilter: ctnetlink: fix...

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Topics%20covered

Topics Covered

security advisory security update security fix important kernel OpenSUSE

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap 15.5

zypper in -t patch SUSE-2026-2216=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-2216=1

Package List

* openSUSE Leap 15.5 (x86_64)

* kernel-rt-extra-5.14.21-150500.13.140.1

* kselftests-kmp-rt-debuginfo-5.14.21-150500.13.140.1

* kernel-rt-devel-5.14.21-150500.13.140.1

* kernel-rt_debug-devel-5.14.21-150500.13.140.1

* gfs2-kmp-rt-5.14.21-150500.13.140.1

* kernel-rt-livepatch-5.14.21-150500.13.140.1

* kernel-rt-debuginfo-5.14.21-150500.13.140.1

* kernel-rt-livepatch-devel-5.14.21-150500.13.140.1

* reiserfs-kmp-rt-debuginfo-5.14.21-150500.13.140.1

* kernel-rt-extra-debuginfo-5.14.21-150500.13.140.1

* kselftests-kmp-rt-5.14.21-150500.13.140.1

* kernel-rt-debugsource-5.14.21-150500.13.140.1

* kernel-rt_debug-debugsource-5.14.21-150500.13.140.1

* cluster-md-kmp-rt-debuginfo-5.14.21-150500.13.140.1

* reiserfs-kmp-rt-5.14.21-150500.13.140.1

* dlm-kmp-rt-debuginfo-5.14.21-150500.13.140.1

* kernel-rt-optional-5.14.21-150500.13.140.1

* kernel-rt_debug-devel-debuginfo-5.14.21-150500.13.140.1

* kernel-rt-vdso-5.14.21-150500.13.140.1

* dlm-kmp-rt-5.14.21-150500.13.140.1

* kernel-syms-rt-5.14.21-150500.13.140.1

*...

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References

* bsc#1243603

* bsc#1245109

* bsc#1256504

* 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#1261287

* bsc#1261295

* bsc#1261584

* bsc#1261638

* bsc#1261710

* bsc#1261779

* bsc#1261781

* bsc#1261796

* bsc#1261797

* bsc#1262179

* bsc#1262181

* bsc#1262602

* bsc#1262665

* bsc#1262734

* bsc#1262758

* bsc#1263065

* bsc#1263085

* bsc#1263093

* 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#1264059

* bsc#1264082

* bsc#1264450

* bsc#1264482

* bsc#1264634

* bsc#1264651

* bsc#1264848

* bsc#1265085

* bsc#1265090

* bsc#1265119

* bsc#1265126

* bsc#1265456

* bsc#1265626

* bsc#1265960

## References:

* https://www.suse.com/security/cve/CVE-2022-49979.html

* https://www.suse.com/security/cve/CVE-2023-20585.html

*...

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Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2216-1
Release Date: 2026-06-02T05:58:23Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise Micro 5.5

Topics%20covered

Topics Covered

security advisory security update security fix important kernel OpenSUSE

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