Skip to content
CVE PROGRAM SOURCE RECORD7.1 High

CVE-2021-26402

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

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
AMD

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

AMD 2nd Gen EPYC

Default version status: unaffected

  • Various affected

AMD 3rd Gen EPYC

Default version status: unaffected

  • various affected

References