out-of-tree v1.4.0 has been released: https://github.com/jollheef/out-of-tree/releases/tag/v1.4.0
Added ability to preload any supported kernel module just by a URL. It can be used to develop new mitigations and test existing exploits against them.
Checkout example of usage with LKRG here: https://github.com/jollheef/out-of-tree/blob/master/examples/preload/.out-of-tree.toml
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Here are results of testing exploits from https://github.com/jollheef/lpe with the LKRG by Openwall (https://www.openwall.com/lkrg/)
For unprepared (no code to bypass LKRG) exploits it actually works well. Only CVE-2016-5195 (aka Dirty COW) still works.
@dump_stack
Good to know. Actually everyone is looking for an exploit that would work under LKRG as you've probably seen on the mailing list :)