> I am actually writing about UML. I also have to demonstrate how a > malicious user can break out of a UML-instance. My question is if there > exist tools which make breakouts available. E.g. to bypass ptrac() or > bad kernel-modules. Using code similar to hostfs makes it pretty easy to tamper with the host with the privileges of the user running uml. It is escaping those privileges / chroot / selinux / whatever else which is hard.
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