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:
4.15.0-1196.209~16.04.14.15.0-257.269~16.04.14.15.0-257.2694.15.0-1196.2094.15.0-1178.1834.15.0-2134.1404.15.0-1151.163