CVE-2023-20584 — AMD / AMD EPYC™ 7003 Processors

CVE-2023-20584

AMD / AMD EPYC™ 7003 Processors PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
AMD / AMD EPYC™ 7003 Processors	unaffected MilanPI 1.0.0.C
AMD / AMD EPYC™ 9004 Processors	unaffected GenoaPI 1.0.0.B

CWE

No CWE identifiers supplied.

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.