CVE-2023-20509

Severity CVSS v4.0:

Pending analysis

Type:

CWE-125 Out-of-bounds Read

Publication date:

13/08/2024

Last modified:

15/04/2026

Description

An insufficient DRAM address validation in PMFW may allow a privileged attacker to perform a DMA read from an invalid DRAM address to SRAM, potentially resulting in loss of data integrity.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:L CVSS v3.1 Severity and Metrics:

Base Score: 5.20 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:L

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): High
Availability (A): Low

Base Score 3.x

5.20

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html