CVE-2023-20585 MEDIUM

CVE-2023-20585

Weakness CWE-788
Published April 16, 2026
Last update April 16, 2026

CVSS base score

5.6/10
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 16, 2026 CVE published
April 16, 2026 Record updated