Linux Kernel 3.8.3 is released and available for download now. And you can easily upgrade your Linux system kernel by downloading and installing it. This download file applies to any Linux destroys like Ubuntu, Mint, Fedora, BackTrack , opensuse etc.
Feature of Linux Kernel 3.8.3
USB: Solve connected the device switch to Inactive state.
USB: Disable EHCI port sempahore for USB 3.0 hubs.
Powerpc: Apply early pace fixups to boot_paca and the boot cpus pace
ARM: mxs_defconfig: Make USB host functionality again
Crypto: user – fix info leaks in report API
Free Download Linux kernel 3.8.3 from here