The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14106
CVE-2017-14106 Detail: https://nvd.nist.gov/vuln/detail/CVE-2017-14106