Stable and unstable kernel releases
Stable and unstable kernel releases
There has been a set of stable kernel releases (2.6.22.18, 2.6.23.16, and 2.6.24.2), all of which fix the recently disclosed splice() security hole. This vulnerability is an easy root exploit on any of the affected systems (almost every kernel from 2.6.17 on), so applying the fix would be a good thing to do.
Meanwhile, Linus has closed the 2.6.25 merge window and released 2.6.25-rc1. It is a huge patch. Among many other things, 2.6.25 will have realtime group scheduling, preemptible RCU, LatencyTop support, a bunch of ext4 filesystem enhancements, the controller area network protocol, Atheros wireless support, the reworked timerfd() system call, the page map patches, the SMACK security module, the container memory use controller, the ACPI thermal regulation API, and support for the MN10300/AM33 architecture. See the short-form changelog for lots of details, or the long changelog for more detail than anybody can cope with.