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Alerts This Week
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openSUSE 15.4 Kernel Important Update CVE-2026-43284 DoS Threat

suse
Calendar Grey May 14, 2026
Dist Suse Esm H88
An important update for the openSUSE kernel addresses a critical xfrm dns issue. Reboot after installation for security.
An update that solves one vulnerability can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP4 kernel was updated to fix one issue * CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).

Topics%20covered

Topics Covered

security advisory DoS important kernel OpenSUSE xfrm

References

* bsc#1264449

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 15.4

* SUSE Linux Enterprise High Availability Extension 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

* SUSE Linux Enterprise Live Patching 15-SP4

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

* SUSE Linux Enterprise Real Time 15 SP4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1857-1
Release Date: 2026-05-14T14:41:38Z
Rating: important

Topics%20covered

Topics Covered

security advisory DoS important kernel OpenSUSE xfrm

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