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CVE-2023-20585

MEDIUM
5.6
CVSS Score
Published: April 16, 2026 at 06:42 PM UTC
Updated: October 28, 2026 at 07:10 PM UTC
Products not identified yet

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Severity
MEDIUM5.6
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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

Affected

We have no canonical product record for this CVE. The source names may not have matched any product.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3016.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.6MEDIUMAMD
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-788

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