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7.1 High

CVE-2021-26402 Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an…

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.

Affected products and versions

Product Affected versions Fixed in
2nd Gen EPYC Versions not published
3rd Gen EPYC Versions not published

References

Timeline

  1. Published
  2. Last modified

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