Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:
4.15.0-1181.194~16.04.14.15.0-1174.191~16.04.14.15.0-238.250~16.04.14.15.0-1143.154~16.04.14.15.0-238.2504.15.0-1181.1944.15.0-1174.1914.15.0-1164.1694.15.0-1143.154