CVE-2026-89930

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM nested virtualization nVMX component. KVM fails to perform necessary Translation Lookaside Buffer TLB flushes when a nested virtual machine VM entry operation fails. This can lead to an outdated TLB state, potentially allowin...

CVE-2026-68093

The CVE describes a Linux kernel KVM SVM issue where ASIDs can collide after a CPU hotplug cycle. If a vCPU resumes on the same pCPU after online/offline/online, it may reuse an ASID that was assigned to a different vCPU, causing stale TLB translations and NPT faults. The root cause is svm_enable...

UBUNTU-CVE-2014-3124

The HVMOPsetmemtype control in Xen 4.1 through 4.4.x allows local guest HVM administrators to cause a denial of service hypervisor crash or possibly execute arbitrary code by leveraging a separate qemu-dm vulnerability to trigger invalid page table translations for unspecified memory page types...