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openSUSE 2026 Important Kernel Update for CVE-2026-43284

opensuse
Calendar Grey May 15, 2026
Dist Opensuse Esm H88
An important security update for openSUSE addressing a critical kernel issue, improving system security and integrity.
An update that solves one vulnerability can now be installed.

Description

This update for the SUSE Linux Enterprise Kernel 6.4.0-53.40 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 DoS important kernel OpenSUSE cve-2026-43284

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-2026-1873=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-1873=1

* SUSE Linux Enterprise Live Patching 15-SP7

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-1874=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_205-default-2-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_51-debugsource-2-150400.2.1

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

* kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_205-default-2-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_51-debugsource-2-150400.2.1

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

* kernel-livepatch-SLE15-SP7_Update_12-debugsource-2-150700.2.1

* kernel-livepatch-6_4_0-150700_53_40-default-debuginfo-2-150700.2.1

* kernel-livepatch-6_4_0-150700_53_40-default-2-150700.2.1

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-2026:1873-1
Release Date: 2026-05-15T15:36:21Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise Live Patching 15-SP4 * SUSE Linux Enterprise Live Patching 15-SP7 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory DoS important kernel OpenSUSE cve-2026-43284

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