Vulnerability of residual files not being deleted after an update in the ChinaDRM module. Successful exploitation of this vulnerability may affect availability.
The voice wakeup module has a vulnerability of using externally-controlled format strings. Successful exploitation of this vulnerability may affect system availability.
Dialog boxes can still be displayed even if the screen is locked in carrier-customized USSD services. Successful exploitation of this vulnerability may affect data integrity and confidentiality.
The communication module has a vulnerability of improper permission preservation. Successful exploitation of this vulnerability may affect system availability.