The latest prepatch for the 2.2 Linux kernel tree is: 2.2.21-rc4 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: 2.4.19-rc3-ac3 The latest -dj patch to the beta Linux kernels is: 2.5.27-dj1