Due to the vulnerability detected in Kernel 4.8, the first maintenance version of this version of the Kernel has already been released, specifically version 4.8.1, which is now available for download and installation.
The main utility of version 4.8.1 is fix the vulnerability detected in the previous version, a kernel error whereby even Linus Torvalds apologized. Those of you who have downloaded version 4.8 should update to version 4.8.1 immediately to be able to be without this type of vulnerability.
Thanks to this update, version 4.8.1 can now be considered as totally stable, since by correcting this serious flaw, at the moment there is nothing to fear. In addition, it is already considered a stable version by Kernel.org, which consider the first maintenance version stable for what may happen (considering version 4.8 as mainlane).
For the rest, there are not many more news with respect to version 4.8, since this version also brought many new features such as the inclusion of the support for powerful Nvidia Pascal graphics, support with Raspberry Pi 3 and with the touch controller of Microsoft's Surface 3 among others.
Clearly a quick response from those responsible for the kernel, something that is essential in case of detecting serious vulnerabilities. Since the vulnerability was detected, we have worked incessantly until everything is solved and thus provide the stable version as soon as possible.
Now that it is stable, this version of the Kernel has been included in the repositories of most of popular Linux distributions like Arch Linux among others. It will also be included in the future and expected Ubuntu 16.10, which will be released in 4 days (October 13).
For those who you want to download the kernel on your own, You can do it through the official website of Kernel.org, where other stable versions are also available to download and install.