drivers/media/media-device.c in the Linux kernel before 3.11, as used in Android before 2016-08-05 on Nexus 5 and 7 (2013) devices, does not properly initialize certain data structures, which allows local users to obtain sensitive information via a crafted application, aka Android internal bug 28750150 and Qualcomm internal bug CR570757, a different vulnerability than CVE-2014-1739.
https://source.codeaurora.org/quic/la/kernel/msm/commit/?id=cc4b26575602e492efd986e9a6ffc4278cee53b5
https://github.com/torvalds/linux/commit/c88e739b1fad662240e99ecbd0bdaac871717987
http://www.securityfocus.com/bid/92222