CVE-2023-20591

MEDIUM

IOMMU - Memory Corruption

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 6.5
EPSS 0.0034
EPSS Percentile 56.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-665
Status published
Products (50)
amd/epyc_7203_firmware < milanpi_1.0.0.b
amd/epyc_7203p_firmware < milanpi_1.0.0.b
amd/epyc_72f3_firmware < milanpi_1.0.0.b
amd/epyc_7303_firmware < milanpi_1.0.0.b
amd/epyc_7303p_firmware < milanpi_1.0.0.b
amd/epyc_7313_firmware < milanpi_1.0.0.b
amd/epyc_7313p_firmware < milanpi_1.0.0.b
amd/epyc_7343_firmware < milanpi_1.0.0.b
amd/epyc_7373x_firmware < milanpi_1.0.0.b
amd/epyc_73f3_firmware < milanpi_1.0.0.b
... and 40 more
Published Aug 13, 2024
Tracked Since Feb 18, 2026