Integer underflow in drivers/char/diag/diag_dci.c in the Qualcomm components in Android before 2016-08-05 on Nexus 5 and 7 (2013) devices a…

Integer underflow in drivers/char/diag/diag_dci.c in the Qualcomm components in Android before 2016-08-05 on Nexus 5 and 7 (2013) devices allows attackers to gain privileges or obtain sensitive information via a crafted application, aka Android internal bug 28750726 and Qualcomm internal bug CR556860.