NetSight
medium5.9

CVE-2021-46792

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…

Impact

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 products

VendorProductAffected versions
AmdRyzen 5300g Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5300ge Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5500 Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5600 Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5600g Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5600ge Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5600x Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5700g Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5700ge Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5700x Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5800 Firmware
Version cezannepi-fp6_1.0.0.6
AmdRyzen 5800x3d Firmware
Version cezannepi-fp6_1.0.0.6

Weakness classification

References