Describe CVE-2012-4222.
What is CVE-2012-4222?
drivers/gpu/msm/kgsl.c in the Qualcomm Innovation Center (QuIC) Graphics KGSL kernel-mode driver for Android 2.3 through 4.2 allows attackers to cause a denial of service (NULL pointer dereference) via an application that uses crafted arguments in a local kgsl_ioctl call..