CVE-2021-26320

State: Published
Severity: Not scored
Published: Nov 16, 2021
Updated: Sep 16, 2024
Reserved: Jan 29, 2021

Description

Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP

Scores

The record has no CVSS score.

Weaknesses

CWE-295 Improper Certificate Validation

Affected Products

Product	Versions
1st Gen AMD EPYC™AMD	before NaplesPI-SP3_1.0.0.GAffected
2nd Gen AMD EPYC™AMD	before RomePI-SP3_1.0.0.CAffected
3rd Gen AMD EPYC™AMD	before MilanPI-SP3_1.0.0.4Affected

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021

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