Description

Insufficient checks of the RMP on host buffer access in IOMMU may allow an attacker with privileges and a compromised hypervisor to trigger an out of bounds condition without RMP checks, resulting in a potential loss of confidential guest integrity.

INFO

Published Date :

2026-04-16T18:42:28.281Z

Last Modified :

2026-04-16T19:12:06.991Z

Source :

AMD
AFFECTED PRODUCTS

The following products are affected by CVE-2023-20585 vulnerability.

Vendors Products
Amd
  • Epyc 7003 Series Processors
  • Epyc 9004 Series Processors
  • Epyc Embedded 7003 Series Processors
  • Epyc Embedded 9004 Series Processors
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2023-20585.

URL Resource
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3016.html cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability