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CVE-2023-20585
Published: Apr 16, 2026
Modified: Apr 16, 2026
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
AMD | AMD EPYC™ 7003 Series Processors | unaffected SEV FW 1.37.23 |
AMD | AMD EPYC™ 9004 Series Processors | unaffected SEV FW 1.37.31 |
AMD | AMD EPYC™ Embedded 7003 Series Processors | unaffected EmbMilanPI-SP3 1.0.0.B |
AMD | AMD EPYC™ Embedded 9004 Series Processors | unaffected EmbGenoaPI-1.0.0.A |
Weaknesses (CWE)
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