Another BBC article with more information:
http://www.bbc.co.uk/news/technology-42562303
Some patches have been issued with more to come. Note that Microsoft has said that some a/v s/w uses the processer kernal so until the a/v s/w supplier deals with this, the Microsoft patch won't be available.
There are warnings that once the patch has been implemented on your computer/device that there could be a slowdown in computer performance. More likely on intensive processor usage.
The issues also apply to servers so there could be some impact as a result.