CVE-2021-46772 Information

Description

Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory read and write potentially resulting in memory corruption or denial of service.

Reference

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html