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added 2026/09/16 11:17 a.m.3 views

DEBIAN-CVE-2026-90040

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Forcefully invalidate SNP VMSA if its backing gmem page is zapped Wire up a gmeminvalidaterange call for SNP VMs, and use it to force vCPUs to reload/recheck their guest-provided VMSA if the backing gmem page is being...

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OSV
OSV
added 2026/09/16 11:17 a.m.3 views

DEBIAN-CVE-2026-89930

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Service local TLB flushes on failed nested VM-Enter KVM services local TLB flushes on "full" nested VM-Exits through nestedvmxvmexit, but not if a nested VM-Enter fails e.g. due to failed VMCS checks in...

9.3CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.4 views

CVE-2026-89932

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always flush vpid02 on first use Make sure vpid02 is always flushed on first use by setting lastvpid=0 when allocating vpid02. nestedvmxtransitiontlbflush will always detect a VPID change on first VM-Enter after VMXON,...

8.8CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.7 views

CVE-2026-89928

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk kvmrmaplock deliberately elides the rmap lock when it observes an empty rmap. In that case kvmrmaplockreadonly also re-enables preemption and returns zero, so...

8.8CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.5 views

CVE-2026-89929

In the Linux kernel, the following vulnerability has been resolved: KVM: nVM: Ensure INVVPID is emulated on the correct physical CPU When emulating INVVPID, KVM executes INVVPID on the physical CPU using vpid02 instead of the L1 assigned VPID, after doing some validations on the operands. However...

8.8CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.4 views

CVE-2026-89920

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory corruption by not reinjecting CK machine checks Channel-subsystem damage machine checks are for the host channel subsystem. The guest channel subsystem is emulated in the userspace VMM. There is no point in...

7.8CVSS
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OSV
OSV
added 2026/09/16 11:17 a.m.3 views

DEBIAN-CVE-2026-89921

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Zero initialize data structures for injectpfaulttoken kvminjectpfaulttoken only sets .type and .u.ext.extparams2 of the on-stack struct kvms390irq but the full ext substructure is copied into the cpu local variable on...

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NVD
NVD
added 2026/09/16 11:17 a.m.7 views

CVE-2026-89927

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Clamp stimer deadline to avoid livelock Fix an issue where userspace or the guest can program an Hyper-V synthetic timer to have a deadline in the past via integer overflow, preventing the CPU from making...

7.1CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.7 views

CVE-2026-89922

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Take srcu when importing watchpoint data importwpinfo backs up the original guest memory contents of a watchpoint with readguestabs, which is kvmreadguest and therefore resolves the memslot via kvmmemslots. That requir...

7.8CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.5 views

CVE-2026-89918

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly handle end of VA space TLBI invalidation Our TLB invalidation by VA code is based on comparing two ranges, one defined by the TLB, and one defined by the TLBI instruction. Each range is defined by a start an...

9.3CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.7 views

CVE-2026-89913

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v3: take an LPI reference in vgicv3savependingtables vgicv3savependingtables iterates dist-lpixa using xaforeach and dereferences the returned struct vgicirq in the loop body without holding a reference on the LP...

8.8CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.5 views

CVE-2026-89915

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Remove VM-wide VNCR mapping counter The global VNCR mapping counter is used to decide whether an L1 provided VNCR page is mapped in L0 on any CPU at the point of dealing with a TLB invalidation. It is incremented when...

9.3CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.6 views

CVE-2026-89910

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix uninitialized stack variable issue with dmsintc Variable vector is declared on stack in function dmsintcinjectirq and sometimes it is used without initialized. Here fix this issue...

7.3CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.7 views

CVE-2026-89914

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decoderangetlbi helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a result, special care must be taken to not...

9.3CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.3 views

CVE-2026-89919

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: keyop: use mmulock to read gmap-asce Every other dat consumer in this file kvms390getskeys, setskeys, getcmmabits, setcmmabits, MEMCLRCMMA, kvms390fixupprefix, kvmtestagegfn, kvmagegfn reads kvm-arch.gmap-asce inside t...

7.8CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.5 views

CVE-2026-89911

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap TLBI Range to the architural limit TLB Invalidation by Range has a fairly powerful way of encoding pretty large ranges in a small number of bits. This range can be based on an arbitrary VA, which means i...

7.9CVSS
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NVD
NVD
added 2026/09/16 11:17 a.m.8 views

CVE-2026-89916

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Make VNCR invalidation participate in MMU invalidation retry A VNCR TLB invalidation can occur on one vcpu while another vcpu is faulting in this same page. Without correctly handling this, we can end up with the...

9.3CVSS
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NVD
NVD
added 2026/09/16 11:16 a.m.2 views

CVE-2026-89908

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Preserve memslot arch flags on KVMMRFLAGSONLY kvmarchpreparememoryregion computes new-arch.flags, i.e. whether a memslot is KVMMEMHUGEPAGECAPABLE or KVMMEMHUGEPAGEINCAPABLE, only for KVMMRCREATE and KVMMRMOVE, and...

8.8CVSS
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NVD
NVD
added 2026/09/16 11:16 a.m.2 views

CVE-2026-89907

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Validate MSI data before routing it to EIOINTC pchmsisetirq passes e-msi.data straight into eiointcsetirq as the irq number. The MSI data comes from userspace, that either via a KVMIRQROUTINGMSI entry set with...

8.8CVSS
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CVE
CVE
added 2026/09/16 10:33 a.m.11 views

CVE-2026-90040

CVE-2026-90040 affects the Linux kernel KVM SEV-SNP (AMD Secure Nested Paging) subsystem. When the backing guest_memfd page for the guest-provided VMSA (Virtual Machine State Area) is invalidated (e.g., via PUNCH_HOLE or memslot deletion/move), KVM fails to invalidate the vCPU's cached control.vm...

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