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openSUSE Live Patching Significant Xfrm Vulnerability CVE-2026-43284

opensuse
Calendar Grey May 18, 2026
Dist Opensuse Esm H88
Critical update for openSUSE resolving important xfrm issue. Install patch to maintain system integrity and security.
An update that solves one vulnerability can now be installed.

Description

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.34 fixes one

security issue

The following security issue was fixed:

* CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags

(bsc#1264459).

Topics%20covered

Topics Covered

security advisory security update important kernel OpenSUSE cve-2026-43284 xfrm issue

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-2026-1898=1 SUSE-2026-1905=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-1898=1 SUSE-SLE-

Module-Live-Patching-15-SP4-2026-1905=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2026-1903=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-1903=1

* SUSE Linux Enterprise Live Patching 15-SP7

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-1902=1 SUSE-SLE-

Module-Live-Patching-15-SP7-2026-1901=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_194-default-5-150400.2.1

* kernel-livepatch-5_14_21-150400_24_161-default-19-150400.2.1

* kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-19-150400.2.1

* kernel-livepatch-5_14_21-150400_24_194-default-debuginfo-5-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_39-debugsource-19-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_48-debugsource-5-150400.2.1

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_194-default-5-150400.2.1

* kernel-livepatch-5_14_21-150400_24_161-default-19-150400.2.1

* kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-19-150400.2.1

* kernel-livepatch-5_14_21-150400_24_194-default-debuginfo-5-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_39-debugsource-19-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_48-debugsource-5-150400.2.1

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

*...

Read the Full Advisory

References

* bsc#1264459

## References:

* https://www.suse.com/security/cve/CVE-2026-43284.html

* https://bugzilla.suse.com/show_bug.cgi?id=1264459

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1905-1
Release Date: 2026-05-17T15:34:07Z
Affected Products: * openSUSE Leap 15.4 * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Live Patching 15-SP4 * SUSE Linux Enterprise Live Patching 15-SP5 * SUSE Linux Enterprise Live Patching 15-SP7 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory security update important kernel OpenSUSE cve-2026-43284 xfrm issue

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