CVE-2021-26323: AMD Epyc 7232p Firmware

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity.

Affected products

• AMD Epyc 7232p Firmware: before romepi-sp3_1.0.0.c (fixed in romepi-sp3_1.0.0.c)
• AMD Epyc 72f3 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7313 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7313p Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7343 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 73f3 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7413 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7443 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7443p Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7453 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 74f3 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7513 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7543 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7543p Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 75f3 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7643 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7663 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7713 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7713p Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)
• AMD Epyc 7763 Firmware: before milanpi-sp3_1.0.0.4 (fixed in milanpi-sp3_1.0.0.4)

Published 2021-11-16. Last modified 2026-06-17.