CVE-2026-53277

CVE-2026-53277 – Linux kernel (arm64 KVM) : A flaw where certain page-table walk operations (walk_s1 and kvm_walk_nested_s2) did not acquire the Sleepable RCU lock (SRCU) via kvm->srcu, risking memslot changes and potential instability during fault injection and Address Translation emulation. ...

CVE-2026-53200 KVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix handling of XN0 when !FEATXNX XN has already been extracted from its bitfield position so using FIELDPREP on the mask that clears XN0 is completely broken, having the effect of unconditionally granting execute...

EUVD-2026-39291

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix handling of XN0 when !FEATXNX XN has already been extracted from its bitfield position so using FIELDPREP on the mask that clears XN0 is completely broken, having the effect of unconditionally granting execute...

Important: kernel-livepatch-6.18.25-57.109

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

Important: kernel-livepatch-6.12.88-119.157

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

Important: kernel-livepatch-6.12.80-105.147

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

Important: kernel-livepatch-6.12.80-106.156

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

Important: kernel-livepatch-6.18.20-20.229

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

SUSE CVE-2026-46316

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry vgicitsinvalidatecache walks the per-ITS translation cache with xaforeach and drops the cache's reference on each entry with vgicputirq. It puts...

CVE-2026-46316

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM for ARM64, specifically within the vgic-its component. This vulnerability occurs when multiple concurrent operations incorrectly drop the translation cache's reference to an entry more than once during cache invalidation. Thi...

CVE-2026-46317

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind mmulock kvm-arch.nestedmmus is walked under kvm-mmulock, including from the MMU notifier path kvmunmapgfnrange - kvmnesteds2unmap, which can run at any time. kvmvcpuinitnested...

CVE-2026-46316

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry vgicitsinvalidatecache walks the per-ITS translation cache with xaforeach and drops the cache's reference on each entry with vgicputirq. It puts...

UBUNTU-CVE-2026-46317

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind mmulock kvm-arch.nestedmmus is walked under kvm-mmulock, including from the MMU notifier path kvmunmapgfnrange - kvmnesteds2unmap, which can run at any time. kvmvcpuinitnested...

CVE-2026-46317

CVE-2026-46317 concerns the Linux kernel KVM on arm64. A traversal of the array kvm->arch.nested_mmus[] occurs under kvm->mmu_lock, while kvm_vcpu_init_nested() reallocates the array and frees the old buffer with only kvm->arch.config_lock held. The fix moves the allocation outside the m...

PT-2026-47754

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM arm64 component where the kvm-arch.nested mmus array is accessed under the kvm-mmu lock, including within the MMU notifier path via the functions kvm unmap gfn...

Linux Distros Unpatched Vulnerability : CVE-2026-46317

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: Reassign nestedmmus array behind mmulock kvm-arch.nestedmmus is walked under kvm-mmulock, including from the MMU notifier path kvmunmapgfnrange -...

CVE-2026-46317

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind mmulock kvm-arch.nestedmmus is walked under kvm-mmulock, including from the MMU notifier path kvmunmapgfnrange - kvmnesteds2unmap, which can run at any time. kvmvcpuinitnested...

CVE-2026-46147

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix pin leak and publication ordering in pkvminitvcpu Two bugs exist in the vCPU initialisation path: 1. If a check fails after hyppinsharedmem succeeds, the cleanup path jumps to 'unlock' without calling unpinhostvcp...

CVE-2026-46147

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix pin leak and publication ordering in pkvminitvcpu Two bugs exist in the vCPU initialisation path: 1. If a check fails after hyppinsharedmem succeeds, the cleanup path jumps to 'unlock' without calling unpinhostvcp...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Avoid consuming a stale esr value when an SError occurs When any exception other than an IRQ occurs, the CPU updates the ESREL2 register with the exception syndrome. An SError may also become pending, and will be...