Potential Mapping of DRAM Regions in Protected Areas Could Lead to Loss of Platform Integrity

CVE-2021-26387
3.9LOW

Key Information

Vendor
Amd
Status
Amd Epyc™ 7001 Series Processors
Amd Epyc™ 7002 Series Processors
Amd Epyc™ 7003 Series Processors
Amd Epyc™ 9004 Series Processors
Vendor
CVE Published:
13 August 2024

Summary

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.

Affected Version(s)

AMD EPYC™ 7001 Series Processors <= various

AMD EPYC™ 7002 Series Processors <= various

AMD EPYC™ 7003 Series Processors <= various

CVSS V3.1

Score:
3.9
Severity:
LOW
Confidentiality:
None
Integrity:
Low
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
.