Security Advisory

CVE-2021-26402

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-01-10 20:56:41

Last updated 2025-04-08 20:27:13

Assigner AMD

State PUBLISHED

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.

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