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.