CVE-2023-20591

No fix known EPSS <1%CVSS 6.5

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.

Published 2024-08-13 · CVE record · OSV

Products: AMD EPYC™ 7003 Series Processors, AMD EPYC™ 9004 Series Processors, AMD EPYC™ Embedded 7003 Series Processors, AMD EPYC™ Embedded 9003 Series Processors, amd epyc_7003_firmware, amd epyc_9003_firmware, amd epyc_7773x_firmware, amd epyc_9754s_firmware