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Vulnerability IntelligenceSUSE-SU-2026:1904-1

SUSE-SU-2026:1904-1

HIGH8.8

Security update for the Linux Kernel

Published May 17, 2026

Modified 3 weeks ago

Fix available

Details

Description of the patch:

The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues

The following security issues were fixed:

CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (bsc#1264013).
CVE-2026-46300: net: skbuff: propagate shared-frag marker through pskb_copy() (bsc#1265209).
CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).
CVE-2026-46333: Fixed logic bug in the Linux kernel's __ptrace_may_access() function (bsc#1265308).

Affected Packages(15 packages)

kernel-default-kgraft

SUSE Linux Enterprise Live Patching 12 SP5

Fixed in:

4.12.14-122.307.1

kernel-default-kgraft-devel

SUSE Linux Enterprise Live Patching 12 SP5

Fixed in:

4.12.14-122.307.1

kgraft-patch-4_12_14-122_307-default

SUSE Linux Enterprise Live Patching 12 SP5

Fixed in:

1-8.5.1

cluster-md-kmp-default

SUSE Linux Enterprise Server 12 SP5-LTSSSUSE Linux Enterprise Server LTSS Extended Security 12 SP5

Fixed in:

4.12.14-122.307.1

dlm-kmp-default

SUSE Linux Enterprise Server 12 SP5-LTSSSUSE Linux Enterprise Server LTSS Extended Security 12 SP5

Fixed in:

4.12.14-122.307.1

gfs2-kmp-default

SUSE Linux Enterprise Server 12 SP5-LTSSSUSE Linux Enterprise Server LTSS Extended Security 12 SP5

Fixed in:

4.12.14-122.307.1

kernel-default

SUSE Linux Enterprise Server 12 SP5-LTSSSUSE Linux Enterprise Server LTSS Extended Security 12 SP5

Fixed in:

4.12.14-122.307.1

kernel-default-base

SUSE Linux Enterprise Server 12 SP5-LTSSSUSE Linux Enterprise Server LTSS Extended Security 12 SP5

Fixed in:

4.12.14-122.307.1

kernel-default-devel

SUSE Linux Enterprise Server 12 SP5-LTSSSUSE Linux Enterprise Server LTSS Extended Security 12 SP5

Fixed in:

4.12.14-122.307.1

kernel-default-man

SUSE Linux Enterprise Server 12 SP5-LTSS

Fixed in:

4.12.14-122.307.1

References

https://bugzilla.suse.com/1264013

https://bugzilla.suse.com/1264449

https://bugzilla.suse.com/1265209

https://bugzilla.suse.com/1265308

https://lists.suse.com/pipermail/sle-updates/2026-May/046514.html

https://www.suse.com/security/cve/CVE-2025-54518/

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

https://www.suse.com/security/cve/CVE-2026-46300/

https://www.suse.com/security/cve/CVE-2026-46333/

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

https://www.suse.com/support/update/announcement/2026/suse-su-20261904-1/

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

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-2025-54518 CVE-2026-43284 CVE-2026-46300 CVE-2026-46333

Ecosystems

SUSE Linux Enterprise Live Patching 12 SP5 SUSE Linux Enterprise Server 12 SP5-LTSS SUSE Linux Enterprise Server LTSS Extended Security 12 SP5

Timeline

PublishedMay 17, 2026

ModifiedMay 17, 2026

SUSE-SU-2026:1904-1 | Mondoo Vulnerability Intelligence