intel vmx

Linux KVM administrators do not need to treat CVE-2026-64604 as evidence of a new guest-to-host escape or a remotely exploitable hypervisor flaw. The newly published CVE covers a narrowly scoped KVM/VMX change that prevents a kernel lockdep warning when CR8 interception state is updated while an...

CVE-2026-68081 fixes a resource leak in Linux KVM’s Intel nested-virtualization path that can leave guest-memory pages pinned or mapped after a failed nested VM launch. The immediate result is not code execution or cross-VM data disclosure; it is a repeatable host resource-retention problem for...

CVE-2026-64562 is a high-severity Linux KVM flaw in Intel nested virtualization that has already reached Fedora kernel updates, but it does not apply to ordinary Windows PCs, Hyper-V hosts, AMD KVM hosts, or Linux KVM deployments that do not run nested VMX. The defect sits in...