CVE-2021-26375: AMD Epyc 7232p Firmware

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in access/updates from/to invalid address space that could result in denial of service.

Affected products

• AMD Epyc 7232p Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7252 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7262 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7272 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7282 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 72f3 Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 7302 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7302p Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7313p Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 7343 Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 7352 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7373x Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 73f3 Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 7402 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7402p Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7413 Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 7443p Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 7452 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7453 Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 7473x Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 74f3 Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 7502 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7502p Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• AMD Epyc 7513 Firmware: before milanpi-sp3_1.0.0.7 (fixed in milanpi-sp3_1.0.0.7)
• AMD Epyc 7532 Firmware: before romepi-sp3_1.0.0.d (fixed in romepi-sp3_1.0.0.d)
• and 58 more

Published 2022-05-11. Last modified 2026-06-17.