ubuntu_osv/UBUNTU-CVE-2014-9891
drivers/misc/qseecom.c in the Qualcomm components in Android before 2016-08-05 on Nexus 5 devices does not validate certain buffer addresses, which allows attackers to gain privileges via a crafted application that makes an ioctl call, aka Android internal bug 28749283 and Qualcomm internal bug CR550061.