First published: Tue May 10 2022(Updated: )
Insufficient bound checks in the System Management Unit (SMU) may result in a system voltage malfunction that could result in denial of resources and/or possibly denial of service.
Credit: psirt@amd.com
Affected Software | Affected Version | How to fix |
---|---|---|
AMD EPYC 7232p firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7232p firmware | ||
AMD EPYC 7302P Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7302P | ||
AMD EPYC 7402P Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7402P | ||
AMD EPYC 7502P Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7502P | ||
AMD EPYC 7702 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7702p | ||
AMD EPYC 7252 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7252 Firmware | ||
AMD EPYC 7262 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7262 Firmware | ||
AMD EPYC 7272 firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7272 firmware | ||
AMD EPYC 7282 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7282 | ||
Amd Epyc Server Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7302P | ||
AMD EPYC 7352 firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7352 | ||
Amd Epyc Server Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7402 | ||
AMD EPYC 7452 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7452 | ||
Amd Epyc Server Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7502 | ||
AMD EPYC 7532 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7532 | ||
AMD EPYC 7542 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7542 | ||
AMD EPYC 7552 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC Embedded 7552 | ||
AMD EPYC 7642 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7642 Firmware | ||
AMD EPYC 7662 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7662 | ||
AMD EPYC 7702 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7702 | ||
AMD EPYC 7742 firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7742 firmware | ||
AMD EPYC 7F32 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7F32 Firmware | ||
AMD EPYC 7F52 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7F52 | ||
AMD EPYC 7F72 Firmware | <romepi-sp3_1.0.0.d | |
AMD EPYC 7F72 | ||
AMD EPYC 7313P Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7313P | ||
AMD EPYC 7443P Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7443P | ||
AMD EPYC 7543P Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7543P Firmware | ||
AMD EPYC 7713P Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7713P Firmware | ||
AMD EPYC 7773X Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7773X | ||
AMD EPYC 7763 Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7763 Firmware | ||
AMD EPYC 7713P Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7713 | ||
AMD EPYC 7663 Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7663 Firmware | ||
AMD EPYC 7643 Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7643 | ||
AMD EPYC 7573X Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7573X | ||
AMD EPYC 75F3 Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 75F3 | ||
AMD EPYC 7513 Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7513 | ||
AMD EPYC 7473X Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7473X | ||
Amd Epyc Server Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7453 | ||
AMD EPYC 74F3 Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 74F3 | ||
AMD EPYC 7413 Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7413 Firmware | ||
AMD EPYC 73F3 Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 73F3 | ||
AMD EPYC 7373X Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7373X | ||
Amd Epyc Server Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 7343 | ||
AMD EPYC 72F3 Firmware | <milanpi-sp3_1.0.0.7 | |
AMD EPYC 72F3 Firmware | ||
AMD Ryzen 7 2700X | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 7 2700X | ||
AMD Ryzen 7 2700X | <comboam4pi_1.0.0.8 | |
AMD Ryzen 7 2700 Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 7 2700 Firmware | ||
AMD Ryzen 7 2700 Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 5 2600X | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 5 2600X | ||
AMD Ryzen 5 2600X | <comboam4pi_1.0.0.8 | |
AMD Ryzen 5 2700 firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 5 2700 | ||
AMD Ryzen 5 2700 firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 3 3100 Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 3 3100 Firmware | ||
AMD Ryzen 3 3100 Firmware | <comboam4_v2_pi_1.2.0.6c | |
amd ryzen 3 3300 | ||
AMD Ryzen 3 3300X Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 3 3300X Firmware | ||
AMD Ryzen 3 3300X Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 9 5950X | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 9 5950X | ||
AMD Ryzen 7 5800X3D Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 7 5800X3D | ||
AMD Ryzen 9 5900X Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 9 5900X | ||
AMD Ryzen 7 5800X Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 7 5800X | ||
AMD Ryzen 5 5600X Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 5 5600X Firmware | ||
AMD Ryzen 7 5700X Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 7 5700X Firmware | ||
AMD Ryzen 5 5600 Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 5 5600 | ||
AMD Ryzen 5 5500 firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 5 5500 firmware | ||
AMD Ryzen 7 5700G Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 7 5700G Firmware | ||
AMD Ryzen 5 5600G Firmware | <comboam4_v2_pi_1.2.0.6c | |
AMD Ryzen 5 5600GT Firmware | ||
AMD Ryzen Threadripper 2990WX | <summitpi-sp3r2_1.1.0.5 | |
AMD Ryzen Threadripper 2990WX | ||
AMD Ryzen Threadripper 2970WX Firmware | <summitpi-sp3r2_1.1.0.5 | |
AMD Ryzen Threadripper 2970WX Firmware | ||
AMD Ryzen Threadripper 2950X Firmware | <summitpi-sp3r2_1.1.0.5 | |
AMD Ryzen Threadripper 2950X Firmware | ||
AMD Ryzen Threadripper 2920X Firmware | <summitpi-sp3r2_1.1.0.5 | |
AMD Ryzen Threadripper 2920X Firmware | ||
AMD Ryzen Threadripper 3990X | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 3990X | ||
AMD Ryzen Threadripper 3970X Firmware | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 3970X Firmware | ||
AMD Ryzen Threadripper 3960X Firmware | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 3960X Firmware | ||
AMD Ryzen Threadripper 2990WX | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 2970WX Firmware | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 2950X Firmware | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 2920X Firmware | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 1950X Firmware | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 1950X Firmware | ||
AMD Ryzen Threadripper 1920X Firmware | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 1920X | ||
AMD Ryzen Threadripper 1900X Firmware | <castlepeakpi-sp3r3_1.0.0.7 | |
AMD Ryzen Threadripper 1900X Firmware | ||
AMD Ryzen Threadripper Pro 3945WX Firmware | <chagallwspi-swrx8_1.0.0.2 | |
AMD Ryzen Threadripper Pro 3945WX Firmware | ||
AMD Ryzen Threadripper Pro 3955WX Firmware | <chagallwspi-swrx8_1.0.0.2 | |
AMD Ryzen Threadripper Pro 3955WX | ||
AMD Ryzen Threadripper Pro 3975WX Firmware | <chagallwspi-swrx8_1.0.0.2 | |
AMD Ryzen Threadripper Pro 3975WX Firmware | ||
AMD Ryzen Threadripper Pro 3995WX Firmware | <chagallwspi-swrx8_1.0.0.2 | |
AMD Ryzen Threadripper Pro 3995WX | ||
AMD Ryzen Threadripper Pro 5945WX Firmware | <chagallwspi-swrx8_1.0.0.2 | |
AMD Ryzen Threadripper Pro 5945WX Firmware | ||
AMD Ryzen Threadripper Pro 5955WX Firmware | <chagallwspi-swrx8_1.0.0.2 | |
AMD Ryzen Threadripper Pro 5955WX Firmware | ||
AMD Ryzen Threadripper Pro 5965WX Firmware | <chagallwspi-swrx8_1.0.0.2 | |
AMD Ryzen Threadripper Pro 5965WX Firmware | ||
AMD Ryzen Threadripper Pro 5975WX Firmware | <chagallwspi-swrx8_1.0.0.2 | |
AMD Ryzen Threadripper PRO 5975WX | ||
AMD Ryzen Threadripper Pro 5995WX Firmware | <chagallwspi-swrx8_1.0.0.2 | |
AMD Ryzen Threadripper Pro 5995WX | ||
AMD Ryzen Threadripper Pro 3945WX Firmware | <castlepeakwspi-swrx8_1.0.0.9 | |
AMD Ryzen Threadripper Pro 3955WX Firmware | <castlepeakwspi-swrx8_1.0.0.9 | |
AMD Ryzen Threadripper Pro 3975WX Firmware | <castlepeakwspi-swrx8_1.0.0.9 | |
AMD Ryzen Threadripper Pro 3995WX Firmware | <castlepeakwspi-swrx8_1.0.0.9 | |
AMD Ryzen Threadripper Pro 5945WX Firmware | <castlepeakwspi-swrx8_1.0.0.9 | |
AMD Ryzen Threadripper Pro 5955WX Firmware | <castlepeakwspi-swrx8_1.0.0.9 | |
AMD Ryzen Threadripper Pro 5965WX Firmware | <castlepeakwspi-swrx8_1.0.0.9 | |
AMD Ryzen Threadripper Pro 5975WX Firmware | <castlepeakwspi-swrx8_1.0.0.9 | |
AMD Ryzen Threadripper Pro 5995WX Firmware | <castlepeakwspi-swrx8_1.0.0.9 | |
AMD Ryzen 3 2200U Firmware | <raven-fp5-am4_1.1.0.e | |
AMD Ryzen 3 2200U Firmware | ||
AMD Ryzen 3 2300U Firmware | <raven-fp5-am4_1.1.0.e | |
AMD Ryzen 3 2300U | ||
AMD Ryzen 5 2500U Firmware | <raven-fp5-am4_1.1.0.e | |
AMD Ryzen 5 2500U | ||
AMD Ryzen 5 2600H Firmware | <raven-fp5-am4_1.1.0.e | |
AMD Ryzen 5 2600H | ||
AMD Ryzen 7 2700U Firmware | <raven-fp5-am4_1.1.0.e | |
AMD Ryzen 7 2700U Firmware | ||
AMD Ryzen 7 2800H Firmware | <raven-fp5-am4_1.1.0.e | |
AMD Ryzen 7 2800H Firmware | ||
AMD Ryzen 3 2200U Firmware | <pinnaclepi-am4_1.0.0.c_\(rv1\) | |
AMD Ryzen 3 2300U Firmware | <pinnaclepi-am4_1.0.0.c_\(rv1\) | |
AMD Ryzen 5 2500U Firmware | <pinnaclepi-am4_1.0.0.c_\(rv1\) | |
AMD Ryzen 5 2600H Firmware | <pinnaclepi-am4_1.0.0.c_\(rv1\) | |
AMD Ryzen 7 2700U Firmware | <pinnaclepi-am4_1.0.0.c_\(rv1\) | |
AMD Ryzen 7 2800H Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 3 2200U Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 3 2300U Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 5 2500U Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 5 2600H Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 7 2700U Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 7 2800H Firmware | <comboam4v2_pi_1.2.0.6c | |
AMD Ryzen 3 2200U Firmware | <comboam4v2_pi_1.2.0.6c | |
AMD Ryzen 3 2300U Firmware | <comboam4v2_pi_1.2.0.6c | |
AMD Ryzen 5 2500U Firmware | <comboam4v2_pi_1.2.0.6c | |
AMD Ryzen 5 2600H Firmware | <comboam4v2_pi_1.2.0.6c | |
AMD Ryzen 7 2700U Firmware | <comboam4v2_pi_1.2.0.6c | |
AMD Ryzen 3 2200U Firmware | <picassopi-fp5_1.0.0.d | |
AMD Ryzen 3 2300U Firmware | <picassopi-fp5_1.0.0.d | |
AMD Ryzen 5 2500U Firmware | <picassopi-fp5_1.0.0.d | |
AMD Ryzen 5 2600H Firmware | <picassopi-fp5_1.0.0.d | |
AMD Ryzen 7 2700U Firmware | <picassopi-fp5_1.0.0.d | |
AMD Ryzen 7 2800H Firmware | <picassopi-fp5_1.0.0.d | |
AMD Ryzen 3 3200U Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 3 3200U Firmware | ||
AMD Ryzen 3 3250U Firmware | <comboam4pi_1.0.0.8 | |
AMD Ryzen 3 3250U Firmware | ||
AMD Ryzen 3 3200U Firmware | <comboam4v2_pi_1.2.0.6c | |
AMD Ryzen 3 3250U Firmware | <comboam4v2_pi_1.2.0.6c | |
AMD Ryzen 3 3200U Firmware | <renoirpi-fp6_1.0.0.7 | |
AMD Ryzen 3 3250U Firmware | <renoirpi-fp6_1.0.0.7 |
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CVE-2021-26373 has a medium severity rating due to the potential for denial of service caused by insufficient bound checks in the firmware.
To fix CVE-2021-26373, update the vulnerable AMD EPYC firmware to version romepi-sp3_1.0.0.d or later.
CVE-2021-26373 affects multiple AMD EPYC processors including the 7232P, 7302P, and several others running specific firmware versions.
The consequences of CVE-2021-26373 may include malfunctions in system voltage management leading to resource denial or service disruption.
Currently, there are no known workarounds for CVE-2021-26373, and it is recommended to apply the firmware updates as soon as they are available.