CVE-2023-20591 - CVE House
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Status published Medium CVE-2023-20591

Improper re-initialization of IOMMU during the DRTM event may permit an...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

AMD EPYC™ 7003 Series Processors, AMD EPYC™ 9004 Series Processors, AMD EPYC™ Embedded 7003 Series Processors, AMD EPYC™ Embedded 9003 Series Processors
Vulnerable Versions:
MilanPI 1.0.0.B, Genoa 1.0.0.8, EmbMilanPI-SP3 1.0.0.7, EmbGenoaPI-SP5 1.0.0.3

Timeline

Official Publish: August 13th, 2024
Last Modified: March 13th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.