critical
10
CWE
665
Advisory Published
Updated

CVE-2023-20591

First published: Tue Aug 13 2024(Updated: )

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.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
All of
amd epyc 8024pn firmware<genoapi_1.0.0.8
amd epyc 8024pn
All of
amd epyc 8024p firmware<genoapi_1.0.0.8
amd epyc 8024p
All of
amd epyc 8124pn firmware<genoapi_1.0.0.8
amd epyc 8124pn
All of
amd epyc 8124p firmware<genoapi_1.0.0.8
amd epyc 8124p
All of
Amd Epyc Server Firmware<genoapi_1.0.0.8
amd epyc 8224pn
All of
amd epyc 8224p firmware<genoapi_1.0.0.8
amd epyc 8224p
All of
amd epyc 8324pn firmware<genoapi_1.0.0.8
amd epyc 8324pn
All of
amd epyc 8324p firmware<genoapi_1.0.0.8
amd epyc 8324p
All of
Amd Epyc Server Firmware<genoapi_1.0.0.8
amd epyc 8434pn
All of
amd epyc 8434p firmware<genoapi_1.0.0.8
amd epyc 8434p
All of
amd epyc 8534pn firmware<genoapi_1.0.0.8
amd epyc 8534pn
All of
amd epyc 8534p firmware<genoapi_1.0.0.8
amd epyc 8534p
All of
AMD EPYC 9734 Firmware<genoapi_1.0.0.8
AMD EPYC 9734 Firmware
All of
AMD EPYC 9754S Firmware<genoapi_1.0.0.8
AMD Epyc 9754S
All of
Amd Epyc Server Firmware<genoapi_1.0.0.8
AMD EPYC 9754 Firmware
All of
AMD EPYC 9184X firmware<genoapi_1.0.0.8
AMD EPYC 9184X
All of
AMD EPYC 9384X Firmware<genoapi_1.0.0.8
AMD EPYC 9384X
All of
AMD EPYC 9684X Firmware<genoapi_1.0.0.8
AMD EPYC 9684X Firmware
All of
AMD EPYC 9124 Firmware<genoapi_1.0.0.8
AMD EPYC 9124 Firmware
All of
AMD EPYC 9174F Firmware<genoapi_1.0.0.8
AMD EPYC 9174F
All of
AMD EPYC 9224 Firmware<genoapi_1.0.0.8
AMD EPYC 9224
All of
AMD EPYC 9254 Firmware<genoapi_1.0.0.8
AMD EPYC 9254
All of
AMD EPYC 9274F Firmware<genoapi_1.0.0.8
AMD EPYC 9274F Firmware
All of
AMD EPYC 9334 firmware<genoapi_1.0.0.8
AMD EPYC 9334 firmware
All of
AMD EPYC 9354 Firmware<genoapi_1.0.0.8
AMD EPYC 9354 Firmware
All of
AMD EPYC 9354P Firmware<genoapi_1.0.0.8
AMD EPYC 9354P
All of
AMD EPYC 9374F Firmware<genoapi_1.0.0.8
AMD EPYC 9374F Firmware
All of
AMD EPYC 9454P Firmware<genoapi_1.0.0.8
AMD EPYC 9454P
All of
AMD EPYC 9454P Firmware<genoapi_1.0.0.8
AMD EPYC 9454P
All of
AMD Epyc 9474F Firmware<genoapi_1.0.0.8
AMD Epyc 9474F Firmware
All of
AMD EPYC 9534 Firmware<genoapi_1.0.0.8
AMD EPYC 9534
All of
AMD EPYC 9554 Firmware<genoapi_1.0.0.8
AMD EPYC 9554
All of
AMD EPYC 9554P Firmware<genoapi_1.0.0.8
AMD EPYC 9554P Firmware
All of
AMD EPYC 9634 Firmware<genoapi_1.0.0.8
AMD EPYC 9634 Firmware
All of
AMD EPYC 9654 firmware<genoapi_1.0.0.8
AMD EPYC 9654 firmware
All of
AMD EPYC 9654P Firmware<genoapi_1.0.0.8
AMD EPYC 9654P
All of
Amd Epyc Server Firmware<milanpi_1.0.0.b
amd epyc 7203
All of
Amd Epyc Server Firmware<milanpi_1.0.0.b
amd epyc 7203p
All of
AMD EPYC 72F3 Firmware<milanpi_1.0.0.b
AMD EPYC 72F3 Firmware
All of
Amd Epyc Server Firmware<milanpi_1.0.0.b
amd epyc 7303
All of
Amd Epyc Server Firmware<milanpi_1.0.0.b
amd epyc 7303p
All of
Amd Epyc Server Firmware<milanpi_1.0.0.b
AMD EPYC 7313P
All of
AMD EPYC 7313P Firmware<milanpi_1.0.0.b
AMD EPYC 7313P
All of
Amd Epyc Server Firmware<milanpi_1.0.0.b
AMD EPYC 7343
All of
AMD EPYC 73F3 Firmware<milanpi_1.0.0.b
AMD EPYC 73F3
All of
AMD EPYC 7373X Firmware<milanpi_1.0.0.b
AMD EPYC 7373X
All of
AMD EPYC 7413 Firmware<milanpi_1.0.0.b
AMD EPYC 7413 Firmware
All of
AMD EPYC 7443 Firmware<milanpi_1.0.0.b
AMD EPYC 7443
All of
AMD EPYC 7443P Firmware<milanpi_1.0.0.b
AMD EPYC 7443P
All of
AMD EPYC 74F3 Firmware<milanpi_1.0.0.b
AMD EPYC 74F3
All of
Amd Epyc Server Firmware<milanpi_1.0.0.b
AMD EPYC 7453
All of
AMD EPYC 7473X Firmware<milanpi_1.0.0.b
AMD EPYC 7473X
All of
AMD EPYC 7513 Firmware<milanpi_1.0.0.b
AMD EPYC 7513
All of
Amd Epyc Server Firmware<milanpi_1.0.0.b
AMD EPYC 7543 Firmware
All of
AMD EPYC 7543P Firmware<milanpi_1.0.0.b
AMD EPYC 7543P Firmware
All of
AMD EPYC 75F3 Firmware<milanpi_1.0.0.b
AMD EPYC 75F3
All of
AMD EPYC 7573X Firmware<milanpi_1.0.0.b
AMD EPYC 7573X
All of
AMD EPYC 7643 Firmware<milanpi_1.0.0.b
AMD EPYC 7643
All of
AMD EPYC 7773X Firmware<milanpi_1.0.0.b
AMD EPYC 7773X
All of
Amd Epyc Server Firmware<milanpi_1.0.0.b
amd epyc 7643p
All of
AMD EPYC 7663 Firmware<milanpi_1.0.0.b
AMD EPYC 7663 Firmware
All of
amd epyc 7663p firmware<milanpi_1.0.0.b
amd epyc 7663p
All of
AMD EPYC 7713P Firmware<milanpi_1.0.0.b
AMD EPYC 7713
All of
AMD EPYC 7713P Firmware<milanpi_1.0.0.b
AMD EPYC 7713P Firmware
All of
AMD EPYC 7763 Firmware<milanpi_1.0.0.b
AMD EPYC 7763 Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-20591?

    CVE-2023-20591 has a high severity rating due to the potential for an attacker to read or modify hypervisor memory.

  • How do I fix CVE-2023-20591?

    To fix CVE-2023-20591, update the affected firmware to the latest version beyond genoapi_1.0.0.8 or milanpi_1.0.0.b.

  • Which systems are affected by CVE-2023-20591?

    CVE-2023-20591 affects several models of AMD EPYC processors with specific firmware versions including genoapi_1.0.0.8 and milanpi_1.0.0.b.

  • What can an attacker achieve with CVE-2023-20591?

    An attacker can potentially read or modify hypervisor memory, leading to a loss of confidentiality, integrity, and availability.

  • Is CVE-2023-20591 specific to AMD EPYC processors?

    Yes, CVE-2023-20591 specifically impacts AMD EPYC processors and their related firmware.

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