medium
5.3
CWE
20
Advisory Published
Updated

CVE-2023-20532: Input Validation

First published: Tue Jan 10 2023(Updated: )

Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
AMD EPYC 7H12 Firmware<romepi_1.0.0.c
AMD EPYC 7H12 Firmware
AMD EPYC 7F72<romepi_1.0.0.c
AMD EPYC 7F72 Firmware
AMD EPYC 7F52 Firmware<romepi_1.0.0.c
AMD EPYC 7F52 Firmware
AMD EPYC 7F32 Firmware<romepi_1.0.0.c
AMD EPYC 7F32 Firmware
AMD EPYC 7742 Firmware<romepi_1.0.0.c
AMD EPYC Server
AMD EPYC 7702 Firmware<romepi_1.0.0.c
AMD EPYC 7702P
AMD EPYC 7702p firmware<romepi_1.0.0.c
AMD EPYC Server
AMD EPYC 7662 Firmware<romepi_1.0.0.c
AMD EPYC 7662 Firmware
AMD EPYC 7642 Firmware<romepi_1.0.0.c
AMD EPYC 7642 Firmware
AMD EPYC 7552 Firmware<romepi_1.0.0.c
AMD EPYC 7552 Firmware
AMD EPYC 7542 Firmware<romepi_1.0.0.c
AMD EPYC Server
AMD EPYC 7532 Firmware<romepi_1.0.0.c
AMD EPYC 7532 Firmware
AMD EPYC 7502P Firmware<romepi_1.0.0.c
AMD EPYC 7502P Firmware
AMD EPYC 7502 Firmware<romepi_1.0.0.c
AMD EPYC 7502 firmware
AMD EPYC 7452 Firmware<romepi_1.0.0.c
AMD EPYC Server
Amd Epyc Server Firmware<romepi_1.0.0.c
AMD EPYC 7402 Firmware
AMD EPYC 7402P Firmware<romepi_1.0.0.c
AMD EPYC 7402P Firmware
AMD EPYC Firmware<romepi_1.0.0.c
AMD EPYC 7352 firmware
AMD EPYC 7302P Firmware<romepi_1.0.0.c
AMD EPYC 7302P Firmware
Amd Epyc Server Firmware<romepi_1.0.0.c
AMD EPYC 7302 Firmware
AMD EPYC 7282 Firmware<romepi_1.0.0.c
AMD EPYC 7282 Firmware
AMD EPYC 7272 firmware<romepi_1.0.0.c
AMD EPYC 7272 firmware
AMD EPYC 7262 Firmware<romepi_1.0.0.c
AMD EPYC 7262 Firmware
AMD EPYC 7252 Firmware<romepi_1.0.0.c
AMD EPYC 7252 Firmware
AMD EPYC 7232p firmware<romepi_1.0.0.c
AMD EPYC 7232p firmware
AMD EPYC 7002 Firmware<romepi_1.0.0.c
AMD EPYC Server
AMD EPYC 7003 Firmware<milanpi_1.0.0.5
AMD EPYC 7003 Firmware
AMD EPYC 72F3 Firmware<milanpi_1.0.0.5
AMD EPYC 72F3 Firmware
AMD EPYC Firmware<milanpi_1.0.0.5
AMD EPYC 7313 Firmware
AMD EPYC 7313P Firmware<milanpi_1.0.0.5
AMD EPYC 7313P Firmware
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7343 Firmware
AMD EPYC 7373X Firmware<milanpi_1.0.0.5
AMD EPYC 7373X Firmware
AMD EPYC 73F3 Firmware<milanpi_1.0.0.5
AMD EPYC 73F3 Firmware
AMD EPYC 7413 Firmware<milanpi_1.0.0.5
AMD EPYC 7413 Firmware
AMD EPYC 7443P Firmware<milanpi_1.0.0.5
AMD EPYC 7443P
AMD EPYC 7443P Firmware<milanpi_1.0.0.5
AMD EPYC 7443P Firmware
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC Server
AMD EPYC 74F3 Firmware<milanpi_1.0.0.5
AMD EPYC 74F3 Firmware
AMD EPYC 7513 Firmware<milanpi_1.0.0.5
AMD EPYC 7513 Firmware
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7543 Firmware
AMD EPYC 7543P Firmware<milanpi_1.0.0.5
AMD EPYC 7543P Firmware
AMD EPYC 7573X Firmware<milanpi_1.0.0.5
AMD EPYC 7573X Firmware
AMD EPYC 75F3 Firmware<milanpi_1.0.0.5
AMD EPYC 75F3 Firmware
AMD EPYC 7643P Firmware<milanpi_1.0.0.5
AMD EPYC 7643 Firmware
AMD EPYC 7663 Firmware<milanpi_1.0.0.5
AMD EPYC 7663 Firmware
AMD EPYC 7713P Firmware<milanpi_1.0.0.5
AMD EPYC 7713 Firmware
AMD EPYC 7713P Firmware<milanpi_1.0.0.5
AMD EPYC 7713P Firmware
AMD EPYC 7743 Firmware<milanpi_1.0.0.5
AMD EPYC 7743 Firmware
AMD EPYC 7763 Firmware<milanpi_1.0.0.5
AMD EPYC 7763 Firmware
AMD EPYC 7773X Firmware<milanpi_1.0.0.5
AMD EPYC 7773X Firmware
All of
AMD EPYC 7H12 Firmware<romepi_1.0.0.c
AMD EPYC 7H12 Firmware
All of
AMD EPYC 7F72<romepi_1.0.0.c
AMD EPYC 7F72 Firmware
All of
AMD EPYC 7F52 Firmware<romepi_1.0.0.c
AMD EPYC 7F52 Firmware
All of
AMD EPYC 7F32 Firmware<romepi_1.0.0.c
AMD EPYC 7F32 Firmware
All of
AMD EPYC 7742 Firmware<romepi_1.0.0.c
AMD EPYC Server
All of
AMD EPYC 7702 Firmware<romepi_1.0.0.c
AMD EPYC 7702P
All of
AMD EPYC 7702p firmware<romepi_1.0.0.c
AMD EPYC Server
All of
AMD EPYC 7662 Firmware<romepi_1.0.0.c
AMD EPYC 7662 Firmware
All of
AMD EPYC 7642 Firmware<romepi_1.0.0.c
AMD EPYC 7642 Firmware
All of
AMD EPYC 7552 Firmware<romepi_1.0.0.c
AMD EPYC 7552 Firmware
All of
AMD EPYC 7542 Firmware<romepi_1.0.0.c
AMD EPYC Server
All of
AMD EPYC 7532 Firmware<romepi_1.0.0.c
AMD EPYC 7532 Firmware
All of
AMD EPYC 7502P Firmware<romepi_1.0.0.c
AMD EPYC 7502P Firmware
All of
AMD EPYC 7502 Firmware<romepi_1.0.0.c
AMD EPYC 7502 firmware
All of
AMD EPYC 7452 Firmware<romepi_1.0.0.c
AMD EPYC Server
All of
Amd Epyc Server Firmware<romepi_1.0.0.c
AMD EPYC 7402 Firmware
All of
AMD EPYC 7402P Firmware<romepi_1.0.0.c
AMD EPYC 7402P Firmware
All of
AMD EPYC Firmware<romepi_1.0.0.c
AMD EPYC 7352 firmware
All of
AMD EPYC 7302P Firmware<romepi_1.0.0.c
AMD EPYC 7302P Firmware
All of
Amd Epyc Server Firmware<romepi_1.0.0.c
AMD EPYC 7302 Firmware
All of
AMD EPYC 7282 Firmware<romepi_1.0.0.c
AMD EPYC 7282 Firmware
All of
AMD EPYC 7272 firmware<romepi_1.0.0.c
AMD EPYC 7272 firmware
All of
AMD EPYC 7262 Firmware<romepi_1.0.0.c
AMD EPYC 7262 Firmware
All of
AMD EPYC 7252 Firmware<romepi_1.0.0.c
AMD EPYC 7252 Firmware
All of
AMD EPYC 7232p firmware<romepi_1.0.0.c
AMD EPYC 7232p firmware
All of
AMD EPYC 7002 Firmware<romepi_1.0.0.c
AMD EPYC Server
All of
AMD EPYC 7003 Firmware<milanpi_1.0.0.5
AMD EPYC 7003 Firmware
All of
AMD EPYC 72F3 Firmware<milanpi_1.0.0.5
AMD EPYC 72F3 Firmware
All of
AMD EPYC Firmware<milanpi_1.0.0.5
AMD EPYC 7313 Firmware
All of
AMD EPYC 7313P Firmware<milanpi_1.0.0.5
AMD EPYC 7313P Firmware
All of
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7343 Firmware
All of
AMD EPYC 7373X Firmware<milanpi_1.0.0.5
AMD EPYC 7373X Firmware
All of
AMD EPYC 73F3 Firmware<milanpi_1.0.0.5
AMD EPYC 73F3 Firmware
All of
AMD EPYC 7413 Firmware<milanpi_1.0.0.5
AMD EPYC 7413 Firmware
All of
AMD EPYC 7443P Firmware<milanpi_1.0.0.5
AMD EPYC 7443P
All of
AMD EPYC 7443P Firmware<milanpi_1.0.0.5
AMD EPYC 7443P Firmware
All of
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC Server
All of
AMD EPYC 74F3 Firmware<milanpi_1.0.0.5
AMD EPYC 74F3 Firmware
All of
AMD EPYC 7513 Firmware<milanpi_1.0.0.5
AMD EPYC 7513 Firmware
All of
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7543 Firmware
All of
AMD EPYC 7543P Firmware<milanpi_1.0.0.5
AMD EPYC 7543P Firmware
All of
AMD EPYC 7573X Firmware<milanpi_1.0.0.5
AMD EPYC 7573X Firmware
All of
AMD EPYC 75F3 Firmware<milanpi_1.0.0.5
AMD EPYC 75F3 Firmware
All of
AMD EPYC 7643P Firmware<milanpi_1.0.0.5
AMD EPYC 7643 Firmware
All of
AMD EPYC 7663 Firmware<milanpi_1.0.0.5
AMD EPYC 7663 Firmware
All of
AMD EPYC 7713P Firmware<milanpi_1.0.0.5
AMD EPYC 7713 Firmware
All of
AMD EPYC 7713P Firmware<milanpi_1.0.0.5
AMD EPYC 7713P Firmware
All of
AMD EPYC 7743 Firmware<milanpi_1.0.0.5
AMD EPYC 7743 Firmware
All of
AMD EPYC 7763 Firmware<milanpi_1.0.0.5
AMD EPYC 7763 Firmware
All of
AMD EPYC 7773X Firmware<milanpi_1.0.0.5
AMD EPYC 7773X Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-20532?

    CVE-2023-20532 has been classified as a potential denial of service vulnerability due to insufficient input validation in the SMU.

  • How do I fix CVE-2023-20532?

    To address CVE-2023-20532, users should update the firmware to the latest version that resolves this vulnerability.

  • What are the affected AMD Epyc firmware versions for CVE-2023-20532?

    CVE-2023-20532 primarily affects the AMD Epyc firmware versions up to and exclusive of romepi_1.0.0.c.

  • Can CVE-2023-20532 lead to resource locking issues?

    Yes, CVE-2023-20532 can allow an attacker to improperly lock resources, leading to service disruptions.

  • Is CVE-2023-20532 applicable to all AMD Epyc CPUs?

    No, CVE-2023-20532 is specifically related to certain firmware versions of AMD Epyc CPUs, not all models are affected.

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