SUSE-SU-2026:1778-1 | Mondoo Vulnerability Intelligence

SUSE-SU-2026:1778-1

HIGH8.8

Security update for the Linux Kernel

Published May 8, 2026

Modified 4 weeks ago

Fix available

Details

Description of the patch:

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix the following issue:

This fixes the DirtyFrag issues:

CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).
CVE-2026-43500: rxrpc and afs modules are disabled (bsc#1264450)

Affected Packages

kernel-livepatch-6_4_0-150700_7_44-rt

SUSE Linux Enterprise Live Patching 15 SP7

Fixed in:

1-150700.1.3.1

cluster-md-kmp-rt

SUSE Real Time Module 15 SP7

Fixed in:

6.4.0-150700.7.44.1

dlm-kmp-rt

SUSE Real Time Module 15 SP7

Fixed in:

6.4.0-150700.7.44.1

gfs2-kmp-rt

SUSE Real Time Module 15 SP7

Fixed in:

6.4.0-150700.7.44.1

kernel-devel-rt

SUSE Real Time Module 15 SP7

Fixed in:

6.4.0-150700.7.44.1

kernel-rt

SUSE Real Time Module 15 SP7

Fixed in:

6.4.0-150700.7.44.1

kernel-rt-devel

SUSE Real Time Module 15 SP7

Fixed in:

6.4.0-150700.7.44.1

kernel-source-rt

SUSE Real Time Module 15 SP7

Fixed in:

6.4.0-150700.7.44.1

kernel-syms-rt

SUSE Real Time Module 15 SP7

Fixed in:

6.4.0-150700.7.44.1

ocfs2-kmp-rt

SUSE Real Time Module 15 SP7

Fixed in:

6.4.0-150700.7.44.1

References

ADVISORY

https://bugzilla.suse.com/1264449

ADVISORY

https://bugzilla.suse.com/1264450

ADVISORY

https://lists.suse.com/pipermail/sle-security-updates/2026-May/025946.html

ADVISORY

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

ADVISORY

https://www.suse.com/security/cve/CVE-2026-43500/

WEB

https://www.suse.com/support/security/rating/

ADVISORY

https://www.suse.com/support/update/announcement/2026/suse-su-20261778-1/

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

ChangedS:C

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Upstream

CVE-2026-43284 CVE-2026-43500

Ecosystems

SUSE Linux Enterprise Live Patching 15 SP7 SUSE Real Time Module 15 SP7

Timeline

PublishedMay 8, 2026

ModifiedMay 8, 2026