CVE-2021-26371

5.5MEDIUM

Key Information:

Vendor
Amd
Status
Ryzen™ 2000 Series Desktop Processors “raven Ridge” Am4
Ryzen™ 3000 Series Desktop Processors “matisse” Am4
Amd Ryzen™ 5000 Series Desktop Processors “vermeer” Am4
3rd Gen Amd Ryzen™ Threadripper™ Processors “castle Peak” Hedt
Vendor
CVE Published:
9 May 2023

Summary

A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure.

Affected Version(s)

1st Gen AMD EPYC™ Processors x86 various

2nd Gen AMD EPYC™ Processors x86 various

3rd Gen AMD EPYC™ Processors x86 various

References

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

EPSS Score

0% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.