CVE-2023-20555

7.8HIGH

Key Information:

Vendor
Amd
Status
Ryzen™ 3000 Series Desktop Processors “matisse” Am4
Ryzen™ 5000 Series Desktop Processors “vermeer” Am4
Ryzen™ 5000 Series Desktop Processor With Radeon™ Graphics “cezanne” Am4
Ryzen™ 7000 Series Processors “raphael”
Vendor
CVE Published:
8 August 2023

Summary

Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially leading to arbitrary code execution in SMM.

Affected Version(s)

Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” x86 various

Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” x86 various

Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” FP5 x86 various

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.