CVE-2021-26402

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.

Related CPE's

oamdepyc_7h12_firmware********

hamdepyc_7h12-*******

oamdepyc_7f72_firmware********

hamdepyc_7f72-*******

oamdepyc_7f52_firmware********

hamdepyc_7f52-*******

oamdepyc_7f32_firmware********

hamdepyc_7f32-*******

oamdepyc_7742_firmware********

hamdepyc_7742-*******

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

Vendor Advisory

CvssV3 impact

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CvssV2 impact

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Created by Yello
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