high
7.5
CWE
119
Advisory Published
Updated

CVE-2023-20529: Buffer Overflow

First published: Tue Jan 10 2023(Updated: )

Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value 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
AMD EPYC 7F72 Firmware<romepi_1.0.0.c
AMD EPYC 7F72
AMD EPYC 7F52 Firmware<romepi_1.0.0.c
AMD EPYC 7F52
AMD EPYC 7F32 Firmware<romepi_1.0.0.c
AMD EPYC 7F32 Firmware
AMD EPYC 7742 firmware<romepi_1.0.0.c
AMD EPYC 7742 firmware
AMD EPYC 7702 Firmware<romepi_1.0.0.c
AMD EPYC 7702p
AMD EPYC 7702 Firmware<romepi_1.0.0.c
AMD EPYC 7702
AMD EPYC 7662 Firmware<romepi_1.0.0.c
AMD EPYC 7662
AMD EPYC 7642 Firmware<romepi_1.0.0.c
AMD EPYC 7642 Firmware
AMD EPYC 7552 Firmware<romepi_1.0.0.c
AMD EPYC Embedded 7552
AMD EPYC 7542 Firmware<romepi_1.0.0.c
AMD EPYC 7542
AMD EPYC 7532 Firmware<romepi_1.0.0.c
AMD EPYC 7532
AMD EPYC 7502P Firmware<romepi_1.0.0.c
AMD EPYC 7502P
Amd Epyc Server Firmware<romepi_1.0.0.c
AMD EPYC 7502
AMD EPYC 7452 Firmware<romepi_1.0.0.c
AMD EPYC 7452
Amd Epyc Server Firmware<romepi_1.0.0.c
AMD EPYC 7402
AMD EPYC 7402P Firmware<romepi_1.0.0.c
AMD EPYC 7402P
AMD EPYC 7352 firmware<romepi_1.0.0.c
AMD EPYC 7352
AMD EPYC 7302P Firmware<romepi_1.0.0.c
AMD EPYC 7302P
Amd Epyc Server Firmware<romepi_1.0.0.c
AMD EPYC 7302P
AMD EPYC 7282 Firmware<romepi_1.0.0.c
AMD EPYC 7282
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 7002
Amd Epyc Server Firmware<milanpi_1.0.0.5
amd epyc 7003
AMD EPYC 72F3 Firmware<milanpi_1.0.0.5
AMD EPYC 72F3 Firmware
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7313P
AMD EPYC 7313P Firmware<milanpi_1.0.0.5
AMD EPYC 7313P
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7343
AMD EPYC 7373X Firmware<milanpi_1.0.0.5
AMD EPYC 7373X
AMD EPYC 73F3 Firmware<milanpi_1.0.0.5
AMD EPYC 73F3
AMD EPYC 7413 Firmware<milanpi_1.0.0.5
AMD EPYC 7413 Firmware
AMD EPYC 7443 Firmware<milanpi_1.0.0.5
AMD EPYC 7443
AMD EPYC 7443P Firmware<milanpi_1.0.0.5
AMD EPYC 7443P
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7453
AMD EPYC 74F3 Firmware<milanpi_1.0.0.5
AMD EPYC 74F3
AMD EPYC 7513 Firmware<milanpi_1.0.0.5
AMD EPYC 7513
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
AMD EPYC 75F3 Firmware<milanpi_1.0.0.5
AMD EPYC 75F3
AMD EPYC 7643 Firmware<milanpi_1.0.0.5
AMD EPYC 7643
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
AMD EPYC 7713P Firmware<milanpi_1.0.0.5
AMD EPYC 7713P Firmware
Amd Epyc Server Firmware<milanpi_1.0.0.5
amd epyc 7743
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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-20529?

    The severity of CVE-2023-20529 is not explicitly stated, but it can potentially lead to a denial of service due to insufficient bounds checking.

  • How do I fix CVE-2023-20529?

    To fix CVE-2023-20529, it is recommended to update the firmware of affected AMD EPYC processors to the latest version provided by AMD.

  • What are the affected products for CVE-2023-20529?

    CVE-2023-20529 affects several AMD EPYC processor firmware versions prior to romepi_1.0.0.c and milanpi_1.0.0.5.

  • What type of attack does CVE-2023-20529 facilitate?

    CVE-2023-20529 allows an attacker to exploit insufficient bounds checking, which may lead to a denial of service.

  • Is CVE-2023-20529 specific to any particular AMD EPYC model?

    Yes, CVE-2023-20529 specifically affects multiple AMD EPYC models running particular firmware versions, including 7h12, 7f72, 7h52, and more.

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