MASTERKEY:

Exploiting MASTERKEY requires an attacker to be able to re-flash the BIOS with a specially crafted BIOS update. This update would contain Secure Processor metadata that exploits one of the vulnerabilities, as well as malware code compiled for ARM Cortex A5 – the processor inside the AMD Secure Processor.

RYZENFALL:

Exploitation requires that an attacker be able to run a program with local-machine elevated administrator privileges. Accessing the Secure Processor is done through a vendor supplied driver that is digitally signed.

FALLOUT:

Exploitation requires that an attacker be able to run a program with local-machine elevated administrator privileges. Accessing the Secure Processor is done through a vendor supplied driver that is digitally signed.

CHIMERA:

Prerequisites for Exploitation: A program running with local-machine elevated administrator privileges. Access to the device is provided by a driver that is digitally signed by the vendor.