The latest mainline version of the Linux kernel is:           4.15-rc7
The latest stable 4.14 version of the Linux kernel is:        4.14.13
The latest longterm 4.9 version of the Linux kernel is:       4.9.76
The latest longterm 4.4 version of the Linux kernel is:       4.4.111
The latest longterm 4.1 version of the Linux kernel is:       4.1.48
The latest longterm 3.18 version of the Linux kernel is:      3.18.91 (EOL)
The latest longterm 3.16 version of the Linux kernel is:      3.16.53
The latest longterm 3.2 version of the Linux kernel is:       3.2.98
The latest linux-next version of the Linux kernel is:         next-20180111