You can already load your own microcode, and it also works on newer CPUs than the one that the attack described in the OP targets. https://github.com/google/sec

You can already load your own microcode, and it also works on newer CPUs than the one that the attack described in the OP targets. https://github.com/google/security-research/tree/master/pocs/cpus/entrysign/zentool https://github.com/google/security-research/tree/master/pocs...