New Kernel updates has been released for both openSUSE Leap 42.2 and 42.3:
openSUSE-SU-2017:2169-1: important: Security update for the Linux KernelKernel Updates for openSUSE Leap 42.2 and 42.3
openSUSE-SU-2017:2171-1: important: Security update for the Linux Kernel