PT-2026-93570

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM nested VM nVM implementation where the INVVPID instruction may be emulated on an incorrect physical CPU. When emulating INVVPID, KVM uses vpid02 on the current...

PT-2026-93571

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM nVMX component where local TLB flushes are not serviced when a nested VM-Enter fails, such as during failed VMCS checks in the nested vmx enter non root mode...

CVE-2026-89932: Undefined Security Weakness

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,...

PT-2026-93561

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue in the KVM s390 component allows memory corruption due to the reinjection of CK machine checks. Channel-subsystem damage machine checks are intended for the host channel...

PT-2026-93549

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the LoongArch KVM implementation where the kvm arch prepare memory region function fails to preserve architecture-specific flags during a KVM MR FLAGS ONLY update...

CVE-2026-89913: Undefined Security Weakness

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...

PT-2026-93564

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM s390 architecture where guest debug data is not properly freed when a vCPU is destroyed. The function kvm s390 clear bp data is only triggered when user space...

PT-2026-93550

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the LoongArch KVM implementation where resources are leaked if the kvm init function fails. The kvm loongarch init function calls kvm loongarch env init to allocate th...

Linux Distros Unpatched Vulnerability : CVE-2026-90040

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-89918

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-89920

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: s390: Fix memory corruption by not reinjecting CK machine checks Channel-subsystem damage machine checks are for the host channel subsystem. The guest...

Linux Distros Unpatched Vulnerability : CVE-2026-89922

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: s390: Take srcu when importing watchpoint data importwpinfo backs up the original guest memory contents of a watchpoint with readguestabs, which is...

Linux Distros Unpatched Vulnerability : CVE-2026-89910

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix uninitialized stack variable issue with dmsintc Variable vector is...

Linux Distros Unpatched Vulnerability : CVE-2026-89915

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-89927

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 i...

Linux Distros Unpatched Vulnerability : CVE-2026-89959

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/vfio-ap: Fix control domain removal in vfioapmdevcfgremove The vfioapconfigremove function uses the bitmapandnot function to clear bits from the...

Linux Distros Unpatched Vulnerability : CVE-2026-89925

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: s390: Fix memory leak in guest debug handling bpdata is freed only for the error case by kfreebpdata. Every successful KVMSETGUESTDEBUG will leak bpdata...

Linux Distros Unpatched Vulnerability : CVE-2026-89911

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 numb...

Linux Distros Unpatched Vulnerability : CVE-2026-89923

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: s390: Free guest debug data on vcpu destroy kvms390clearbpdata is only called from kvmarchvcpuioctlsetguestdebug, i.e. when user space changes or disables...

Linux Distros Unpatched Vulnerability : CVE-2026-89930

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 nest...