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:
4.15.0-1177.190~16.04.14.15.0-1170.187~16.04.14.15.0-233.245~16.04.14.15.0-1139.150~16.04.14.15.0-233.2454.15.0-1177.1904.15.0-1170.1874.15.0-1160.1654.15.0-1139.150