CVE-2023-20584

Published Aug 13, 2024

Last updated a year ago

Overview

Description
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.
Source
psirt@amd.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
6
Impact score
4
Exploitability score
1.5
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Severity
MEDIUM

Weaknesses

nvd@nist.gov
NVD-CWE-noinfo

Social media

Hype score
Not currently trending

Configurations