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openSUSE Leap 15.4 Kernel Important Update Fixes 13 Security Issues

opensuse
Calendar Grey June 12, 2026
Dist Opensuse Esm H88
An important security update is available for openSUSE Leap 15.4 Kernel, fixing 13 issues crucial for system integrity.
An update that solves 13 vulnerabilities can now be installed.

Description

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security

issues

The following security issues were fixed:

* CVE-2026-31405: media: dvb-net: fix OOB access in ULE extension header

tables (bsc#1261700).

* CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks

(bsc#1263790).

* CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmc_release

(bsc#1264093).

* CVE-2026-43037: ip6_tunnel: clear skb2->cb in ip4ip6_err() (bsc#1263995).

* CVE-2026-43206: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set()

(bsc#1264551).

* CVE-2026-43499: rtmutex: Use waiter::task instead of current in

remove_waiter() (bsc#1266001).

* CVE-2026-43501: ipv6: rpl: reserve mac_len headroom when recompressed SRH

grows (bsc#1266009).

* CVE-2026-45852: RDMA/rxe: Fix double free in rxe_srq_from_init

(bsc#1266711).

* CVE-2026-45970: bonding: alb: fix UAF in rlb_arp_recv during bond up/down

(bsc#1267205).

* CVE-2026-46021:...

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Topics%20covered

Topics Covered

security advisory software update threat 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 15.4

zypper in -t patch SUSE-2026-2383=1

* SUSE Linux Enterprise High Availability Extension 15 SP4

zypper in -t patch SUSE-SLE-Product-HA-15-SP4-2026-2383=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2383=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2383=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2383=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-2383=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-2383=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-2383=1

*...

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Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)

* kernel-default-optional-5.14.21-150400.24.222.1

* kselftests-kmp-default-debuginfo-5.14.21-150400.24.222.1

* ocfs2-kmp-default-debuginfo-5.14.21-150400.24.222.1

* cluster-md-kmp-default-debuginfo-5.14.21-150400.24.222.1

* kernel-default-livepatch-5.14.21-150400.24.222.1

* cluster-md-kmp-default-5.14.21-150400.24.222.1

* kernel-default-debuginfo-5.14.21-150400.24.222.1

* kselftests-kmp-default-5.14.21-150400.24.222.1

* dlm-kmp-default-debuginfo-5.14.21-150400.24.222.1

* kernel-obs-qa-5.14.21-150400.24.222.1

* kernel-obs-build-debugsource-5.14.21-150400.24.222.1

* gfs2-kmp-default-5.14.21-150400.24.222.1

* gfs2-kmp-default-debuginfo-5.14.21-150400.24.222.1

* kernel-default-extra-5.14.21-150400.24.222.1

* kernel-default-devel-debuginfo-5.14.21-150400.24.222.1

* kernel-syms-5.14.21-150400.24.222.1

* kernel-obs-build-5.14.21-150400.24.222.1

* reiserfs-kmp-default-debuginfo-5.14.21-150400.24.222.1

* kernel-default-debugsource-5.14.21-150400.24.222.1

*...

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References

* bsc#1261700

* bsc#1263790

* bsc#1263995

* bsc#1264093

* bsc#1264551

* bsc#1266001

* bsc#1266009

* bsc#1266238

* bsc#1266711

* bsc#1266901

* bsc#1266969

* bsc#1267205

* bsc#1267220

## References:

* https://www.suse.com/security/cve/CVE-2026-31405.html

* https://www.suse.com/security/cve/CVE-2026-31629.html

* https://www.suse.com/security/cve/CVE-2026-31758.html

* https://www.suse.com/security/cve/CVE-2026-43037.html

* https://www.suse.com/security/cve/CVE-2026-43206.html

* https://www.suse.com/security/cve/CVE-2026-43499.html

* https://www.suse.com/security/cve/CVE-2026-43501.html

* https://www.suse.com/security/cve/CVE-2026-45852.html

* https://www.suse.com/security/cve/CVE-2026-45970.html

* https://www.suse.com/security/cve/CVE-2026-46021.html

* https://www.suse.com/security/cve/CVE-2026-46043.html

* https://www.suse.com/security/cve/CVE-2026-46113.html

* https://www.suse.com/security/cve/CVE-2026-46243.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261700

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2383-1
Release Date: 2026-06-12T09:14:49Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Availability Extension 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise Live Patching 15-SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Manager Proxy 4.3 * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Server 4.3

Topics%20covered

Topics Covered

security advisory software update threat important kernel OpenSUSE

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