CVE-2021-46774

6.7MEDIUM

Key Information:

Vendor
Amd
Status
Ryzen™ 3000 Series Desktop Processors “matisse"
Amd Ryzen™ 5000 Series Desktop Processors “vermeer”
Amd Ryzen™ Threadripper™ 3000 Series Processors “castle Peak” Hedt
Amd Ryzen™ Threadripper™ Pro Processors “castle Peak” Ws Sp3
Vendor
CVE Published:
14 November 2023

Summary

Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.

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

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.