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CVE-2023-20591

AMD / AMD EPYC™ 7003 Series Processors PUBLISHED

Description (CNA)

Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.

Affected (CNA)

Vendor / productVersions
AMD / AMD EPYC™ 7003 Series Processorsunaffected MilanPI 1.0.0.B
AMD / AMD EPYC™ 9004 Series Processorsunaffected Genoa 1.0.0.8
AMD / AMD EPYC™ Embedded 7003 Series Processorsunaffected EmbMilanPI-SP3 1.0.0.7
AMD / AMD EPYC™ Embedded 9003 Series Processorsunaffected EmbGenoaPI-SP5 1.0.0.3

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.