Touch Panel (TP) driver in Huawei NEM phones with software Versions before NEM-AL10C00B130, Versions before NEM-UL10C17B160, Versions before NEM-UL10C00B160, Versions before NEM-TL00C01B160 allows attackers to get root privilege or crash the system or execute arbitrary code, related to a buffer overflow.
http://www.securityfocus.com/bid/94506
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161123-03-smartphone-en