Google researchers recently published proof-of-concept code demonstrating the ability to create malicious microcode patches on AMD processors from Zen 1 through Zen 4. This vulnerability would allow ...

When AMD finally issued patches for its critical microcode security hole on Monday, it said that the glitch 'could lead to the loss of Secure Encrypted Virtualization protection.' AMD on Monday issued ...

Google's researchers found a vulnerability in AMD Zen 1 - 4 chips It allows anyone to push microcode updates, even malicious ones The bug requires high privilege level in advance AMD processors, from ...

All we know for now is that the security issue is a "microcode signature verification vulnerability." Microcode is information typically loaded into the processor by the system firmware or operating ...