CVE-2023-20585
Medium
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.
SeverityMedium
CVSS5.6
Exploit probability—
ProductAMD EPYC™ 7003 Series Processors
PublishedApr 16, 2026
First seenApr 16, 2026
Weakness typeCWE-788CWE-788
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| AMD AMD EPYC™ 7003 Series Processors | No range specified | — |
| AMD AMD EPYC™ 9004 Series Processors | No range specified | — |
| AMD AMD EPYC™ Embedded 7003 Series Processors | No range specified | — |
| AMD AMD EPYC™ Embedded 9004 Series Processors | No range specified | — |
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