Privilege escalation

The Madapt Driver of some Huawei smart phones with software Earlier than Vicky-AL00AC00B172 versions,Vicky-AL00CC768B122,Vicky-TL00AC01B167,Earlier than Victoria-AL00AC00B172 versions,Victoria-TL00AC00B123,Victoria-TL00AC01B167 has a use after free (UAF) vulnerability. An attacker can trick a user to install a malicious application which has a high privilege to exploit this vulnerability, Successful exploitation may cause arbitrary code execution.