Also this is privilege escalation within the DomU (guest), it does not break out into the Dom0 (hypervisor). It looks like he'll do one of those next, though.

Also this is privilege escalation within the DomU (guest), it does not break out into the Dom0 (hypervisor). It looks like he'll do one of those next, though. The last paragraph in TFA: > A future blog post will talk about a guest-to-host escape, with a working exploit. Stay tuned!