CVE-2023-20569: AMD Epyc 72f3 Firmware

Medium severity, CVSS 4.7. EPSS: 7.3% chance of exploitation in the next 30 days.

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

Affected products

• AMD Epyc 72f3 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7313 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7313p Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7343 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7373x Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 73f3 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7413 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7443 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7443p Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7453 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7473x Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 74f3 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7513 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7543 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7543p Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7573x Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 75f3 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7643 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7663 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7713 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7713p Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7763 Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 7773x Firmware: before milanpi_1.0.0.c (fixed in milanpi_1.0.0.c)
• AMD Epyc 9124 Firmware: before genoapi_1.0.0.9 (fixed in genoapi_1.0.0.9)
• AMD Epyc 9174f Firmware: before genoapi_1.0.0.9 (fixed in genoapi_1.0.0.9)
• and 130 more

Published 2023-08-08. Last modified 2026-06-17.