Security Flaw in AMD's Platform Private Key Management
CVE-2021-26322

7.5HIGH

Key Information:

Vendor

Amd
Status
1st Gen Amd Epyc™
2nd Gen Amd Epyc™
3rd Gen Amd Epyc™
Vendor
CVE Published:
16 November 2021

What is CVE-2021-26322?

A security vulnerability in AMD's Platform Private Key Management could expose the persistent private key due to inadequate protection by a non-random initialization vector (IV). This flaw may allow attackers to perform a two time pad attack, potentially compromising the confidentiality of sensitive data. It is essential for users of this product to be aware of this issue and apply the necessary security measures outlined in the vendor's advisory.

Affected Version(s)

1st Gen AMD EPYC™ < unspecified

2nd Gen AMD EPYC™ < unspecified

3rd Gen AMD EPYC™ < unspecified

References

https://www.amd.com/en/corporate/product-security/bulleti...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.