CVE-2023-20584 MEDIUM

CVE-2023-20584

Published August 13, 2024
Last update November 5, 2024

CVSS base score

5.3/10
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

What the vulnerability does

01Description

IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity.

Key dates

02Disclosure timeline

August 13, 2024 CVE published
November 5, 2024 Record updated