CVE-2026-31558

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Make kvmgetvcpubycpuid more robust kvmgetvcpubycpuid takes a cpuid parameter whose type is int, so cpuid can be negative. Let kvmgetvcpubycpuid return NULL for this case so as to make it more robust. This fix an...

CVE-2026-31553 KVM: arm64: Fix the descriptor address in __kvm_at_swap_desc()

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix the descriptor address in kvmatswapdesc Using "u64 user hva + offset" to get the virtual addresses of S1/S2 descriptors looks really wrong, if offset is not zero. What we want to get for swapping is hva + offset,...

CVE-2026-31553 KVM: arm64: Fix the descriptor address in __kvm_at_swap_desc()

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix the descriptor address in kvmatswapdesc Using "u64 user hva + offset" to get the virtual addresses of S1/S2 descriptors looks really wrong, if offset is not zero. What we want to get for swapping is hva + offset,...

PT-2026-34940

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the KVM x86 component. This occurs when the emulator initiates a write using an on-stack local variable as the source, the write splits a page boundary,...

PT-2026-34910

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Make kvm get vcpu by cpuid more robust kvm get vcpu by cpuid takes a cpuid parameter whose type is int, so cpuid can be negative. Let kvm get vcpu by cpuid return NULL for this case so as to make it more robust...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007468)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007468 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Prevent access to vCPU events before init Another day, another syzkaller bug. KVM...

SUSE CVE-2026-23402

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

Linux Distros Unpatched Vulnerability : CVE-2026-23401

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE When installing an emulated MMIO SPTE, do so after dropping/zapping the existing SP...

EUVD-2026-17830

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

CVE-2026-23402

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

CVE-2026-23402

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

CVE-2026-23402 KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only WARN in direct MMUs when overwriting shadow-present SPTE Adjust KVM's sanity check against overwriting a shadow-present SPTE with a another SPTE with a different target PFN to only apply to direct MMUs, i.e. on...

CVE-2026-23401

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE When installing an emulated MMIO SPTE, do so after dropping/zapping the existing SPTE if it's shadow-present. While commit a54aa15c6bda3 was right about...

SUSE-SU-2026:20838-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues. The following security issues were fixed: - CVE-2025-39753: gfs2: Set .migratefolio in gfs2rgrp,metaaops bsc1249590. - CVE-2025-39964: crypto: afalg - Disallow concurrent writes in afalgsendmsg bsc1251966. -...

EUVD-2025-208533

In hypalloc of arch/arm64/kvm/hyp/nvhe/alloc.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

PT-2026-24435

Name of the Vulnerable Software and Affected Versions KVM versions affected versions not specified Description An out-of-bounds write issue exists in the hyp alloc function within arch/arm64/kvm/hyp/nvhe/alloc.c. This is due to insufficient input validation. Successful exploitation could lead to...

Unbreakable Enterprise kernel security update

6.12.0-109.67.6 - net: tunnel: make skbvlaninetprepare return drop reasons Menglong Dong Orabug: 39027305 6.12.0-109.67.5 - uek-rpm: fixed specs to explicitly call python3 as set as a requirement Mark Nicholson Orabug: 38933158 - Revert 'net/rds: fix crash by expanding kref coverage to...

CVE-2026-0029

In pkvminitvm of pkvm.c, there is a possible memory corruption due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

PUB-A-431949921

In hypalloc of arch/arm64/kvm/hyp/nvhe/alloc.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-112 (ALASKERNEL-5.10-2026-112)

The version of kernel installed on the remote host is prior to 5.10.247-246.989. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2026-112 advisory. In the Linux kernel, the following vulnerability has been resolved: RDMA/restrack: Release MR restrack...