Ksplice supports only the patches that do not make significant semantic changes to kernel's data structures.

Using Ksplice does not require any preparation before the system is originally booted, (the running kernel needs no special prior compiling, for example).

[11] The Ksplice software was created by four MIT students based on Jeff Arnold's master's thesis,[12] and they later created Ksplice, Inc. Around May 2009, the company won the MIT $100K Entrepreneurship Competition and the Cyber Security Challenge of Global Security Challenge.

Ksplice, Inc. provided prebuilt and tested updates for the Red Hat, CentOS, Debian, Ubuntu and Fedora Linux distributions.

Updates for Ubuntu Desktop and Fedora systems were provided free of charge, whereas other platforms were offered on a subscription basis.

More explicitly, "Oracle does not plan to support the use of Ksplice technology with Red Hat Enterprise Linux.