race condition in af_packet packet_setsockopt and packet_set_ring. Philip Pettersson discovered a race condition in the af_packet implementation in the Linux kernel. A local unprivileged attacker could use this to cause a denial of service (system crash) or run arbitrary code with administrative privileges. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-8655