CVE-2021-46792

Description

Time-of-check Time-of-use (TOCTOU) in the BIOS2PSP command may allow an attacker with a malicious BIOS to create a race condition causing the ASP bootloader to perform out-of-bounds SRAM reads upon an S3 resume event potentially leading to a denial of service.

Affected Platforms

Weakness Type

CWE-367, CWE-367

References

• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001