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SUSE Kernel Important Security Fixes Advisory 2026-3156-1

suse
Calendar Grey July 21, 2026
Scroller Suse
This important SUSE update for the kernel addresses 44 issues, including several critical security fixes that enhance system safety.
SUSE has released an important security update for Linux Kernel fixing 44 vulnerabilities, enhancing security features across several SUSE Linux systems, with patch instructions pr...

Summary

## The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: * CVE-2026-43109: x86: shadow stacks: proper error handling for mmap lock (bsc#1264484). * CVE-2026-46052: ceph: only d_add() negative dentries when they are unhashed (bsc#1267494). * CVE-2026-46071: KVM: nSVM: Avoid clearing VMCB_LBR in vmcb12 (bsc#1267591). * CVE-2026-46076: KVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1 (bsc#1267365). * CVE-2026-46116: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (bsc#1267369). * CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267722). * CVE-2026-46229: drm/amdkfd: Clear VRAM on allocation to prevent stale data exposure (bsc#1267567).

Topics%20covered

Topics Covered

security advisory security issue SuSE threat important kernel

References

* bsc#1264484

* bsc#1265421

* bsc#1267365

* bsc#1267369

* bsc#1267494

* bsc#1267567

* bsc#1267591

* bsc#1267618

* bsc#1267635

* bsc#1267684

* bsc#1267722

* bsc#1267918

* bsc#1267966

* bsc#1267993

* bsc#1268022

* bsc#1268049

* bsc#1268237

* bsc#1268335

* bsc#1268660

* bsc#1268989

* bsc#1269022

* bsc#1269033

* bsc#1269036

* bsc#1269090

* bsc#1269100

* bsc#1269159

* bsc#1269172

* bsc#1269174

* bsc#1269184

* bsc#1269193

* bsc#1269195

* bsc#1269310

* bsc#1269314

* bsc#1269398

* bsc#1269493

* bsc#1269574

* bsc#1269678

* bsc#1269681

* bsc#1269795

* bsc#1269798

* bsc#1269821

* bsc#1269884

* bsc#1269986

* bsc#1269993

* bsc#1270022

* bsc#1270059

* bsc#1270257

* bsc#1271050

* bsc#1271366

* jsc#PED-16303

* jsc#PED-16305

Cross-

* CVE-2026-43109

* CVE-2026-46052

* CVE-2026-46071

* CVE-2026-46076

* CVE-2026-46116

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3156-1
Release Date: 2026-07-21T13:34:56Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE threat important kernel

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