The latest mainline version of the Linux kernel is:           4.18-rc1
The latest stable 4.17 version of the Linux kernel is:        4.17.2
The latest stable 4.16 version of the Linux kernel is:        4.16.17
The latest longterm 4.14 version of the Linux kernel is:      4.14.51
The latest longterm 4.9 version of the Linux kernel is:       4.9.109
The latest longterm 4.4 version of the Linux kernel is:       4.4.138
The latest longterm 4.1 version of the Linux kernel is:       4.1.52 (EOL)
The latest longterm 3.18 version of the Linux kernel is:      3.18.113 (EOL)
The latest longterm 3.16 version of the Linux kernel is:      3.16.57
The latest longterm 3.2 version of the Linux kernel is:       3.2.102 (EOL)
The latest linux-next version of the Linux kernel is:         next-20180621