An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ryzen_7_5700g_firmware | Amd | * | comboam4_v2_pi_1.2.0.6c (excluding) |