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