Improper Variable Initialization in AMD DXE Driver
CVE-2023-20597

5.5MEDIUM

Key Information:

Vendor

Amd
Status
Ryzen™ 3000 Series Desktop Processors “matisse”
Ryzen™ 5000 Series Desktop Processors “vermeer”
Ryzen™ 5000 Series Desktop Processor With Radeon™ Graphics “cezanne”
Ryzen™ Threadripper™ 3000 Series Processors “castle Peak” Hedt
Vendor
CVE Published:
20 September 2023

What is CVE-2023-20597?

A vulnerability has been identified in the AMD DXE Driver due to improper initialization of variables. This flaw permits a privileged user to exploit local access, potentially allowing them to leak sensitive information. Addressing this issue is critical to maintaining data confidentiality and user trust.

Affected Version(s)

Ryzen™ 3000 Series Desktop Processors “Matisse” x86 various

Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne” x86 various

Ryzen™ 5000 Series Desktop Processors “Vermeer” x86 various

References

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

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.