The latest mainline version of the Linux kernel is:           4.17-rc1
The latest stable 4.16 version of the Linux kernel is:        4.16.3
The latest stable 4.15 version of the Linux kernel is:        4.15.18 (EOL)
The latest longterm 4.14 version of the Linux kernel is:      4.14.35
The latest longterm 4.9 version of the Linux kernel is:       4.9.95
The latest longterm 4.4 version of the Linux kernel is:       4.4.128
The latest longterm 4.1 version of the Linux kernel is:       4.1.51
The latest longterm 3.18 version of the Linux kernel is:      3.18.105 (EOL)
The latest longterm 3.16 version of the Linux kernel is:      3.16.56
The latest longterm 3.2 version of the Linux kernel is:       3.2.101
The latest linux-next version of the Linux kernel is:         next-20180420