Misconfiguration of TMRs May Lead to Loss of Integrity and Availability

CVE-2021-26367
5.7MEDIUM

Key Information

Vendor
Amd
Status
Amd Ryzen™ 5000 Series Desktop Processor With Radeon™ Graphics
Amd Athlon™ 3000 Series Desktop Processors With Radeon™ Graphics
Amd Ryzen™ 4000 Series Desktop Processors With Radeon™ Graphics
Amd Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics
Vendor
CVE Published:
13 August 2024

Summary

A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.

Affected Version(s)

AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics <= ComboAM4v2 PI 1.2.0.5

AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics <= ComboAM4PI 1.0.0.9

AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics >= ComboAM4PI 1.0.0.9

CVSS V3.1

Score:
5.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.