4 ms·
Pretty sure the microcode could be changed to deny a patch, since it has the most privileged level of control on the system.
by pitaj 4y ago
Pretty sure the microcode could be changed to deny a patch, since it has the most privileged level of control on the system.
- mjg59 4y agoMicrocode isn't persistent - on reboot you'll be running whatever version was in the CPU at manufacturing time. That means there's a path to booting to a known-good environment and updating the firmware, which will then load patched microcode before any attacker-controlled code can run.