Touchscreen drive in Huawei H60 (Honor 6) Versions earlier than H60-L02_6.12.16 and P9 Plus Versions earlier than VIE-AL10BC00B356 has a stack overflow vulnerabilities. An attacker tricks a user into installing a malicious application on the smart phone, and send given parameter to touchscreen drive to crash the system or escalate privilege.
http://www.securityfocus.com/bid/94944
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161215-01-smartphone-en