The graphics driver in Huawei P8 smartphones 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) via a crafted application aka a \semaphore deadlock issue.\