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important patch for multiple issues in openSUSE Leap 15.3 kernel update

opensuse
Calendar Grey March 18, 2026
Dist Opensuse Esm H88
Critical update for openSUSE addressing 13 vulnerabilities in kernel software with one important security fix.
An update that solves 13 vulnerabilities, contains one feature and has one security fix can now be installed.

Description

The SUSE Linux Enterprise 15 SP3 kernel was updated to fix various security

issues

The following security issues were fixed:

* CVE-2023-53794: cifs: fix session state check in reconnect to avoid use-

after-free issue (bsc#1255163).

* CVE-2023-53827: Bluetooth: L2CAP: Fix use-after-free in

l2cap_disconnect_{req,rsp} (bsc#1255049).

* CVE-2025-21738: ata: libata-sff: Ensure that we cannot write outside the

allocated buffer (bsc#1238917).

* CVE-2025-38375: virtio-net: ensure the received length does not exceed

allocated size (bsc#1247177).

* CVE-2025-68285: libceph: fix potential use-after-free in

have_mon_and_osd_map() (bsc#1255401).

* CVE-2025-71066: net/sched: ets: Always remove class from active list before

deleting in ets_qdisc_change (bsc#1256645).

* CVE-2026-23004: dst: fix races in rt6_uncached_list_del() and

rt_del_uncached_list() (bsc#1257231).

* CVE-2026-23060: crypto: authencesn - reject too-short AAD (assoclen<8) to

match ESP/ESN...

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Topics%20covered

Topics Covered

security advisory security issue buffer overflow 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 15.3

zypper in -t patch SUSE-2026-928=1

* SUSE Linux Enterprise Micro 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-928=1

* SUSE Linux Enterprise Micro for Rancher 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-928=1

Package List

* openSUSE Leap 15.3 (noarch nosrc)

* kernel-docs-5.3.18-150300.59.238.1

* openSUSE Leap 15.3 (noarch)

* kernel-source-5.3.18-150300.59.238.1

* kernel-source-vanilla-5.3.18-150300.59.238.1

* kernel-macros-5.3.18-150300.59.238.1

* kernel-devel-5.3.18-150300.59.238.1

* kernel-docs-html-5.3.18-150300.59.238.1

* openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64)

* ocfs2-kmp-default-5.3.18-150300.59.238.1

* dlm-kmp-default-5.3.18-150300.59.238.1

* kernel-obs-build-5.3.18-150300.59.238.1

* kernel-obs-build-debugsource-5.3.18-150300.59.238.1

* kernel-default-optional-debuginfo-5.3.18-150300.59.238.1

* kernel-obs-qa-5.3.18-150300.59.238.1

* gfs2-kmp-default-5.3.18-150300.59.238.1

* reiserfs-kmp-default-debuginfo-5.3.18-150300.59.238.1

* reiserfs-kmp-default-5.3.18-150300.59.238.1

* kernel-default-devel-debuginfo-5.3.18-150300.59.238.1

* kernel-default-debuginfo-5.3.18-150300.59.238.1

* cluster-md-kmp-default-5.3.18-150300.59.238.1

* ocfs2-kmp-default-debuginfo-5.3.18-150300.59.238.1

*...

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References

* bsc#1238917

* bsc#1246166

* bsc#1247177

* bsc#1255049

* bsc#1255163

* bsc#1255401

* bsc#1256645

* bsc#1257231

* bsc#1257735

* bsc#1257749

* bsc#1257790

* bsc#1258340

* bsc#1258395

* bsc#1258849

* jsc#PED-12836

## References:

* https://www.suse.com/security/cve/CVE-2023-53794.html

* https://www.suse.com/security/cve/CVE-2023-53827.html

* https://www.suse.com/security/cve/CVE-2025-21738.html

* https://www.suse.com/security/cve/CVE-2025-38224.html

* https://www.suse.com/security/cve/CVE-2025-38375.html

* https://www.suse.com/security/cve/CVE-2025-68285.html

* https://www.suse.com/security/cve/CVE-2025-71066.html

* https://www.suse.com/security/cve/CVE-2026-23004.html

* https://www.suse.com/security/cve/CVE-2026-23060.html

* https://www.suse.com/security/cve/CVE-2026-23074.html

* https://www.suse.com/security/cve/CVE-2026-23089.html

* https://www.suse.com/security/cve/CVE-2026-23191.html

* https://www.suse.com/security/cve/CVE-2026-23204.html

* https://bugzilla.suse.com/show_bug.cgi?id=1238917

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0928-1
Release Date: 2026-03-18T13:32:23Z
Affected Products: * openSUSE Leap 15.3 * SUSE Linux Enterprise Micro 5.2 * SUSE Linux Enterprise Micro for Rancher 5.2

Topics%20covered

Topics Covered

security advisory security issue buffer overflow important kernel OpenSUSE

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