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SUSE 15 SP5 Kernel Important Security Update 2026-1907-1

suse
Calendar Grey May 18, 2026
Dist Suse Esm H88
SUSE Linux enterprise kernel update resolves five important security issues. Stay updated and secure your system now.
An update that solves five vulnerabilities can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP5 kernel was updated to fix the following issue: Security issues fixed: * CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449). * CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (bsc#1264450). * 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-2026-46333: Fixed logic bug in the Linux kernel's __ptrace_may_access() function (bsc#1265308). Other issues fixed: * io-wq: check that the predecessor is hashed in io_wq_remove_pending() (git- fixes).

Topics%20covered

Topics Covered

security advisory threat vulnerability important kernel OpenSUSE

References

* bsc#1264013

* bsc#1264449

* bsc#1264450

* bsc#1265209

* bsc#1265308

Cross-

* CVE-2025-54518

* CVE-2026-43284

* CVE-2026-43500

* CVE-2026-46300

* CVE-2026-46333

CVSS scores:

* CVE-2025-54518 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-54518 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-54518 ( NVD ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1907-1
Release Date: 2026-05-17T17:13:00Z
Rating: important

Topics%20covered

Topics Covered

security advisory threat vulnerability important kernel OpenSUSE

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