The latest 2.2 version of the Linux kernel is: 2.2.25 The latest 2.0 version of the Linux kernel is: 2.0.39 The latest prepatch for the 2.0 Linux kernel tree is: 2.0.40-rc6 +The latest -ac patch to the stable Linux kernels is: 2.4.21-pre7-ac1 The latest -ac patch to the beta Linux kernels is: 2.5.67-ac1 The latest -dj patch to the beta Linux kernels is: 2.5.60-dj2