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SUSE Linux Enterprise 15 SP7 Important Kernel RT Update 2026-1858-1

suse
Calendar Grey May 14, 2026
Dist Suse Esm H88
SUSE Linux Kernel RT important update fixes a critical issue to improve security and system reliability.
An update that solves one vulnerability can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.40 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). ## 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-SP7-2026-1847=1 SUSE-SLE- Module-Live-Patching-15-SP7-2026-1848=1 SUSE-SLE-Module-Live- Patching-15-SP7-2026-1854=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-1849=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-1850=1 SUSE-SLE-Module-Live-

Topics%20covered

Topics Covered

security advisory security issue DoS important kernel-rt SUSE Linux Enterprise

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:

* SUSE Linux Enterprise Live Patching 15-SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

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-2026:1858-1
Release Date: 2026-05-14T15:05:36Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue DoS important kernel-rt SUSE Linux Enterprise

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