high
7
CWE
362
Advisory Published
Updated

CVE-2020-12951: Race Condition

First published: Tue Nov 16 2021(Updated: )

Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
AMD EPYC 7003 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7003 Firmware
AMD EPYC 7002 Firmware<romepi-sp3_1.0.0.c
AMD EPYC Server
Amd Epyc Server Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7001 Firmware
AMD EPYC 72F3 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 72F3 Firmware
AMD EPYC Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7313 Firmware
AMD EPYC 7313P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7313P Firmware
Amd Epyc Server Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7343 Firmware
AMD EPYC 73F3 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 73F3 Firmware
AMD EPYC 7413 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7413 Firmware
AMD EPYC 7443P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7443P
AMD EPYC 7443P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7443P Firmware
Amd Epyc Server Firmware<milanpi-sp3_1.0.0.4
AMD EPYC Server
AMD EPYC 74F3 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 74F3 Firmware
AMD EPYC 7513 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7513 Firmware
Amd Epyc Server Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7543 Firmware
AMD EPYC 7543P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7543P Firmware
AMD EPYC 75F3 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 75F3 Firmware
AMD EPYC 7643P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7643 Firmware
AMD EPYC 7663 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7663 Firmware
AMD EPYC 7713P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7713 Firmware
AMD EPYC 7713P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7713P Firmware
AMD EPYC 7763 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7763 Firmware
AMD EPYC 7232p firmware<romepi-sp3_1.0.0.c
AMD EPYC 7232p firmware
AMD EPYC 7252 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7252 Firmware
AMD EPYC 7262 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7262 Firmware
AMD EPYC 7272 firmware<romepi-sp3_1.0.0.c
AMD EPYC 7272 firmware
AMD EPYC 7282 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7282 Firmware
Amd Epyc Server Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7302 Firmware
AMD EPYC 7302P Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7302P Firmware
AMD EPYC Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7352 firmware
Amd Epyc Server Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7402 Firmware
AMD EPYC 7402P Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7402P Firmware
AMD EPYC 7452 Firmware<romepi-sp3_1.0.0.c
AMD EPYC Server
AMD EPYC 7502 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7502 firmware
AMD EPYC 7502P Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7502P Firmware
AMD EPYC 7532 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7532 Firmware
AMD EPYC 7542 Firmware<romepi-sp3_1.0.0.c
AMD EPYC Server
AMD EPYC 7552 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7552 Firmware
AMD EPYC 7642 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7642 Firmware
AMD EPYC 7662 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7662 Firmware
AMD EPYC 7702p firmware<romepi-sp3_1.0.0.c
AMD EPYC Server
AMD EPYC 7702 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7702P
AMD EPYC 7742 Firmware<romepi-sp3_1.0.0.c
AMD EPYC Server
AMD EPYC 7F32 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7F32 Firmware
AMD EPYC 7F52 Firmware<romepi-sp3_1.0.0.c
AMD EPYC 7F52 Firmware
AMD EPYC 7F72<romepi-sp3_1.0.0.c
AMD EPYC 7F72 Firmware
AMD EPYC 7251 Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7251 Firmware
Amd Epyc Server Firmware<naplespi-sp3_1.0.0.g
AMD EPYC Server
Amd Epyc Server Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7301 Firmware
AMD EPYC 7351P Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7351 Firmware
AMD EPYC 7351P Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7351P Firmware
AMD EPYC 7401P Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7401 Firmware
AMD EPYC 7401P Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7401P Firmware
AMD EPYC 7451 Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7451 Firmware
AMD EPYC 7501 Firmware<naplespi-sp3_1.0.0.g
AMD EPYC Server
AMD EPYC 7551P Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7551 Firmware
AMD EPYC 7551P Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7551P Firmware
AMD EPYC 7601 Firmware<naplespi-sp3_1.0.0.g
AMD EPYC 7601 Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-12951?

    The severity of CVE-2020-12951 is rated as critical due to the potential for less privileged x86 code to perform unauthorized System Management Mode operations.

  • How do I fix CVE-2020-12951?

    To fix CVE-2020-12951, update the AMD EPYC firmware to the latest version beyond milanpi-sp3_1.0.0.4.

  • Which versions of AMD EPYC firmware are affected by CVE-2020-12951?

    CVE-2020-12951 affects AMD EPYC 7003, 7002, and 7001 firmware versions that are prior to their respective fixed versions.

  • What could be the impact if CVE-2020-12951 is exploited?

    If CVE-2020-12951 is exploited, it could allow attackers to execute malicious code in System Management Mode, which can compromise system integrity.

  • Are all AMD EPYC processors vulnerable to CVE-2020-12951?

    Not all AMD EPYC processors are vulnerable to CVE-2020-12951; only those running the affected firmware versions are at risk.

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