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SUSE 2026 1877-1 Kernel Important Xfrm Decryption Vuln CVE-2026-43284

suse
Calendar Grey May 18, 2026
Dist Suse Esm H88
SUSE Linux Kernel Live Patch 35 addresses an important issue, improving system security with a key update.
An update that solves one vulnerability can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.136 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). ## 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 15.5 zypper in -t patch SUSE-2026-1877=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-1877=1 ## Package List: * openSUSE Leap 15.5 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150500_55_136-default-debuginfo-6-150500.2.1 * kernel-livepatch-SLE15-SP5_Update_35-debugsource-6-150500.2.1

Topics%20covered

Topics Covered

security advisory threat important kernel OpenSUSE decryption

References

* bsc#1264459

Cross-

* CVE-2026-43284

CVSS scores:

* CVE-2026-43284 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-43284 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-43284 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.5

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise Live Patching 15-SP5

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Real Time 15 SP5

* SUSE Linux Enterprise Server 15 SP5

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability can now be installed.

##

* 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-2026:1877-1
Release Date: 2026-05-16T07:04:53Z
Rating: important

Topics%20covered

Topics Covered

security advisory threat important kernel OpenSUSE decryption

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