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CVE-2021-46792

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CVE-2021-46792

Published: May 9, 2023

Modified: Jan 28, 2025

PUBLISHED

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.

VendorProductVersions

AMD

Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4

affected
various

AMD

Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4

affected
Various

AMD

Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP

affected
various

AMD

Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5

affected
various

AMD

Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”

affected
various

AMD

Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”

affected
various

AMD

Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”

affected
various

AMD

Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”

affected
various

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