CVE-2023-20585
MEDIUM EPSS 1.0%
Published Apr 16, 20262mo ago · Modified Jun 17, 20261w ago
5.6 CVSS 4.0
Published Apr 16, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity High
Privileges Required High
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
1.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-788
References 1
- amd.com https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3016.html
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.