Buffer overflow in the HIFI driver in Huawei P8 phones with software GRA-TL00 before GRA-TL00C01B230, GRA-CL00 before GRA-CL00C92B230, GRA-CL10 before GRA-CL10C92B230, GRA-UL00 before GRA-UL00C00B230, and GRA-UL10 before GRA-UL10C00B230 allows attackers to cause a denial of service (system crash) or execute arbitrary code via an unspecified parameter.