The latest stable version of the Linux kernel is: 6.19 The latest mainline version of the Linux kernel is: 6.19 The latest stable 6.18 version of the Linux kernel is: 6.18.9 The latest longterm 6.12 version of the Linux kernel is: 6.12.69 The latest longterm 6.6 version of the Linux kernel is: 6.6.123 The latest longterm 6.1 version of the Linux kernel is: 6.1.162 The latest longterm 5.15 version of the Linux kernel is: 5.15.199 The latest longterm 5.10 version of the Linux kernel is: 5.10.249 The latest linux-next version of the Linux kernel is: next-20260205