Ubuntu Security Notice 6171-1 - William Zhao discovered that the Traffic Control subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service. It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service.
5e0f2f5de44174f1ab476b95c56ddf85f9e10ffea2fee44490d67465174ad759