Ubuntu Security Notice USN-3443-3
https://packetstormsecurity.com/files/144568/USN-3443-3.txt
https://packetstormsecurity.com/files/144568/USN-3443-3.txthttps://packetstormsecurity.com/files/144568/Ubuntu-Security-Notice-USN-3443-3.htmlWed, 11 Oct 2017 13:19:28 GMTUbuntu Security Notice 3443-3 - Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service.