Improper Access Control in the AMD SPI protection feature may allow a user with Ring0 (kernel mode) privileged access to bypass protections potentially resulting in loss of integrity and availability.
An improper privilege management in the AMD Radeon™ Graphics driver may allow an authenticated attacker to craft an IOCTL request to gain I/O control over arbitrary hardware ports or physical addresses resulting in a potential arbitrary code execution.
A side channel attack known as ‘Inception’ or ‘RAS Poisoning’ may allow an attacker to influence branch prediction, potentially leading to information disclosure.
Refer: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7005.html