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CVE-2021-26316

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CVE-2021-26316

Published: Jan 10, 2023

Modified: Apr 9, 2025

PUBLISHED

Description

Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.

VendorProductVersions

AMD

Ryzen 5000 Series

affected
various

AMD

Ryzen 2000 Series

affected
various

AMD

Ryzen 3000 Series

affected
various

AMD

1st Gen EPYC

affected
various

AMD

2nd Gen EPYC

affected
Various

AMD

3rd Gen EPYC

affected
various

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