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CVE-2023-20591

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CVE-2023-20591

Published: Aug 13, 2024

Modified: Mar 13, 2025

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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.

VendorProductVersions

AMD

AMD EPYC™ 7003 Series Processors

unaffected
MilanPI 1.0.0.B

AMD

AMD EPYC™ 9004 Series Processors

unaffected
Genoa 1.0.0.8

AMD

AMD EPYC™ Embedded 7003 Series Processors

unaffected
EmbMilanPI-SP3 1.0.0.7

AMD

AMD EPYC™ Embedded 9003 Series Processors

unaffected
EmbGenoaPI-SP5 1.0.0.3

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

References

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