[lxc-users] Security risk of sharing /dev/net/tun and /dev/kvm in unprivileged containers

Janjaap Bos janjaapbos at gmail.com
Thu Jan 26 09:16:02 UTC 2017


What are the security risks of enabling access to /dev/kvm and /dev/net/tun
to an LXD unprivileged container?
E.g. bind mount / add device to container config.

Would this significantly expose the host or other containers to increased
risk?

Could you offer access to untrusted users?

Does anyone have a pointer to more info about this?

Thanks!

-Janjaap
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