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Ubuntu 22.04 LTS Important Patch Notification USN-2023-4017-2

opensuse
Calendar Grey April 13, 2026
Dist Opensuse Esm H88
Important kernel update for openSUSE addresses six security issues. Install now to protect your system from potential threats.
An update that solves six vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.78 fixes

various security issues

The following security issues were fixed:

* CVE-2025-40159: xsk: Harden userspace-supplied xdp_desc validation

(bsc#1253404).

* CVE-2025-71120: SUNRPC: svcauth_gss: avoid NULL deref on zero length

gss_token in gss_read_proxy_verf (bsc#1256780).

* CVE-2026-22999: net/sched: sch_qfq: do not free existing class in

qfq_change_class() (bsc#1257238).

* CVE-2026-23074: net/sched: Enforce that teql can only be used as root qdisc

(bsc#1258051).

* CVE-2026-23111: netfilter: nf_tables: fix inverted genmask check in

nft_map_catchall_activate() (bsc#1258183).

* CVE-2026-23209: macvlan: fix error recovery in macvlan_common_newlink()

(bsc#1258784).

Topics%20covered

Topics Covered

security advisory important kernel threat mitigation updates 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:

* SUSE Linux Enterprise Live Patching 15-SP7

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-1261=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-1260=1

* SUSE Linux Enterprise Live Patching 15-SP6

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-1260=1

Package List

* SUSE Linux Enterprise Live Patching 15-SP7 (ppc64le s390x x86_64)

* kernel-livepatch-6_4_0-150700_53_22-default-debuginfo-3-150700.2.1

* kernel-livepatch-SLE15-SP7_Update_6-debugsource-3-150700.2.1

* kernel-livepatch-6_4_0-150700_53_22-default-3-150700.2.1

* openSUSE Leap 15.6 (ppc64le s390x x86_64)

* kernel-livepatch-6_4_0-150600_23_78-default-3-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_17-debugsource-3-150600.2.1

* kernel-livepatch-6_4_0-150600_23_78-default-debuginfo-3-150600.2.1

* SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)

* kernel-livepatch-6_4_0-150600_23_78-default-3-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_17-debugsource-3-150600.2.1

* kernel-livepatch-6_4_0-150600_23_78-default-debuginfo-3-150600.2.1

References

* bsc#1253404

* bsc#1256780

* bsc#1257238

* bsc#1258051

* bsc#1258183

* bsc#1258784

## References:

* https://www.suse.com/security/cve/CVE-2025-40159.html

* https://www.suse.com/security/cve/CVE-2025-71120.html

* https://www.suse.com/security/cve/CVE-2026-22999.html

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

* https://www.suse.com/security/cve/CVE-2026-23111.html

* https://www.suse.com/security/cve/CVE-2026-23209.html

* https://bugzilla.suse.com/show_bug.cgi?id=1253404

* https://bugzilla.suse.com/show_bug.cgi?id=1256780

* https://bugzilla.suse.com/show_bug.cgi?id=1257238

* https://bugzilla.suse.com/show_bug.cgi?id=1258051

* https://bugzilla.suse.com/show_bug.cgi?id=1258183

* https://bugzilla.suse.com/show_bug.cgi?id=1258784

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1261-1
Release Date: 2026-04-10T19:34:47Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Live Patching 15-SP7 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory important kernel threat mitigation updates OpenSUSE

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