CVE-2026-64604 | Linux Kernel up to 7.1.3 KVM VMX arch/x86/kvm/nested.h get_vmcs12 locking

A vulnerability was found in Linux Kernel up to 7.1.3 and classified as very critical. The affected element is the function get_vmcs12 of the file arch/x86/kvm/nested.h of the component KVM VMX. The manipulation results in improper locking.

This vulnerability is reported as CVE-2026-64604. The attack requires a local approach. No exploit exists.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More