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:
4.15.0-1192.207~14.04.14.15.0-1184.197~16.04.14.15.0-1192.207~16.04.14.15.0-1177.194~16.04.14.15.0-241.253~16.04.14.15.0-241.2534.15.0-1184.1974.15.0-1192.2074.15.0-1177.1944.15.0-1167.172