The bnep_add_connection function in net/bluetooth/bnep/core.c in the Linux kernel before 3.19 does not ensure that an l2cap socket is available, which allows local users to gain privileges via a crafted application.Referenceshttps://www.debian.org/security/2018/dsa-4082https://lists.debian.org/debian-lts-announce/2017/12/msg00004.htmlhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71bb99a02b32b4cc4265118e85f6035ca72923f0https://usn.ubuntu.com/3583-2/http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlhttps://usn.ubuntu.com/3583-1/https://source.android.com/security/bulletin/pixel/2017-12-01https://patchwork.kernel.org/patch/9882449/https://github.com/torvalds/linux/commit/71bb99a02b32b4cc4265118e85f6035ca72923f0http://www.securityfocus.com/bid/102084
