CVE-2021-46765: AMD Ryzen 3100 Firmware

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.

Affected products

• AMD Ryzen 3100 Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3300x Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3500 Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3500x Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3600 Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3600x Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3600xt Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3800x Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3800xt Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3900 Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3900x Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3900xt Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 3950x Firmware: version comboam4v2_pi_1.2.0.8 only; version renoirpi-fp6_1.0.0.9 only
• AMD Ryzen 5300g Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5300ge Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5500 Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5600 Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5600g Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5600ge Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5600x Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5700g Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5700ge Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5700x Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5800 Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• AMD Ryzen 5800x3d Firmware: version cezannepi-fp6_1.0.0.b only; version comboam4v2_pi_1.2.0.8 only
• and 19 more

Published 2023-05-09. Last modified 2026-06-17.