netd in Android before 2016-08-05 mishandles tethering and stdio streams, which allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted application, aka Qualcomm internal bug CR959631.
source.android.com/security/bulletin/2016-08-01.html
www.securityfocus.com/bid/92256
source.codeaurora.org/quic/la/platform/system/netd/commit/?h=LA.BF64.1.2.1&id=cc2853e6cec8ca2cf92430ad9a83358b131fc417
source.codeaurora.org/quic/la/platform/system/netd/commit/?h=LA.BR.1&id=568ef402f6d5a7a50c126aafc78c4edf59abba1c