CVE-2023-20596

9.8CRITICAL

Key Information

Vendor
AMD
Status
Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics Formerly codenamed “Cezanne” AM4
Ryzen™ 7000 Series Desktop Processors with Radeon™ Graphics Formerly codenamed “Raphael”
Ryzen™ 7000 Series Desktop Processors with Radeon™ Graphics Formerly codenamed “Raphael” X3D
Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”
Vendor
CVE Published:
14 November 2023

Summary

Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbitrary code execution.

Affected Version(s)

Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics Formerly codenamed “Cezanne” AM4 = various

Ryzen™ 7000 Series Desktop Processors with Radeon™ Graphics Formerly codenamed “Raphael” = various

Ryzen™ 7000 Series Desktop Processors with Radeon™ Graphics Formerly codenamed “Raphael” X3D = various

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.