USN-5062-1: Linux kernel vulnerability

USN-5062-1: Linux kernel vulnerability

Maxim Levitsky discovered that the KVM hypervisor implementation for AMD
processors in the Linux kernel did not properly prevent a guest VM from
enabling AVIC in nested guest VMs. An attacker in a guest VM could use this
to write to portions of the host’s physical memory.
Source: USN-5062-1: Linux kernel vulnerability