Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP1)

This update for the Linux Kernel 3.12.74-60_64_51 fixes several issues. The following security issues were fixed: - CVE-2017-13166: An elevation of privilege vulnerability was fixed in the kernel v4l2 video driver. (bsc#1085447). - CVE-2018-1068: A flaw was found in the Linux kernels implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory (bsc#1085114). - CVE-2018-1000004: A race condition vulnerability existed in the sound system, which could lead to a deadlock and denial of service condition (bsc#1076017)