high7.5
CVE-2021-46755
Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to exhau…
Impact
Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to exhaust the SysHub resources resulting in a potential denial of service.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Amd | Ryzen 5500 Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 5600 Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 5600g Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 5600x Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 5700g Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 5700x Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 5800x3d Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 5800x Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 5900x Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 5950x Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4v2_pi_1.2.0.6 |
| Amd | Ryzen 3100 Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4pi_1.0.0.9 |
| Amd | Ryzen 3300x Firmware | Versions comboam4_v2_pi_1.2.0.8, comboam4pi_1.0.0.9 |