Realtek RtsUpx Usb Utility Driver Access Control Error Vulnerability (CNVD-2021-91639)

Realtek RtsUpx Usb Utility Driver is a Usb utility driver from Realtek Semiconductor (China).An access control error vulnerability exists in the Realtek RtsUpx USB Utility Driver for Camera Hub Audio, which stems from the product’s failure to device’s IO control packet for permission detection. An attacker could cause privilege escalation, denial of service, code execution, and information disclosure.