CVE-2021-26402 Information

Description

Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.

Reference

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032