The HIFI driver in Huawei Mate 8 phones with software versions before NXT-AL10C00B386, versions before NXT-CL00C92B386, versions before NXT-DL00C17B386, versions before NXT-TL00C01B386; Mate S phones with software Versions before CRR-CL00C92B368, Versions before CRR-CL20C92B368, Versions before CRR-TL00C01B368, Versions before CRR-UL00C00B368, Versions before CRR-UL20C00B368; P8 phones with software Versions before GRA-TL00C01B366, Versions before GRA-CL00C92B366, Versions before GRA-CL10C92B366, Versions before GRA-UL00C00B366, Versions before GRA-UL10C00B366; and P9 phones with software Versions before EVA-AL10C00B190, Versions before EVA-DL10C00B190, Versions before EVA-TL10C00B190, Versions before EVA-CL10C00B190 allows attackers to get root privilege or crash the system or execute arbitrary code, related to a buffer overflow.