Red Hat Bugzilla – Bug 448060
host of SELinux AVC denials on starting kvm virtual machine
Last modified: 2018-04-11 05:33:08 EDT
Description of problem: Tried running virsh create as normal user and got a host of AVC denials (see attached). The only difference from the plain system is that (in order to get to the /etc/libvirtd) I have run chgrp -R virt /etc/libvirt chmod g+rX /etc/libvirt Version-Release number of selected component (if applicable): [matej@viklef ~]$ rpm -q libvirt PolicyKit selinux-policy-targeted kvm kernel libvirt-0.4.2-3.fc9.i386 PolicyKit-0.8-2.fc9.i386 selinux-policy-targeted-3.3.1-55.fc9.noarch kvm-65-4.fc9.i386 kernel-2.6.25-8.fc9.i686 kernel-2.6.25-14.fc9.i686 kernel-2.6.25.3-18.fc9.i686 kernel-2.6.25.4-26.fc9.i686 [matej@viklef ~]$ uname -a Linux viklef 2.6.25.4-26.fc9.i686 #1 SMP Mon May 19 19:49:30 EDT 2008 i686 i686 i386 GNU/Linux [matej@viklef ~]$ How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Created attachment 306462 [details] output of /sbin/ausearch -ts 10:00 -m AVC
I don't think this can be fixed in libvirt. It looks more like some rules are needed in SE-Linux policies to allow access from libvirtd to the networking commands. So reassigning, Daniel
Daniel, This shows virtsh running lockit? Which I guess could allow a user to influence the SELinux settings as well as the fire wall settings? Why is libvirt doing this? Most of the rest of these are fixed in Fixed in selinux-policy-3.3.1-60.fc9
Fixed in selinux-policy-3.3.1-74.fc9.noarch Decided to make libvirtd an unconfined domain, since it can now load kernel modules and set iptables rules.
Oh well, probably the best what we can expect. Thanks a lot for fixing this.
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