On Mon, Feb 23, 2015 at 11:52:29AM +0100, Raphael Glon wrote:
> On 02/23/2015 11:23 AM, Daniel P. Berrange wrote:
> >The alternative Nova implementation is*not*  using fuse, it is using real
> >mounts on the host FS. This is not a potential issue, it is an*actual*
> >issue. There have been bugs in Linux filesystem drivers, including ext4,
> >that would have allowed a malicous kernel image to crash and/or exploit
> >the host kernel if mounted.
> >
> >   http://libguestfs.org/guestfs.3.html#security-of-mounting-filesystems
> Ok noted -> so why is losetup or qemu-nbd still proposed by nova and still
> the default method ?

Libguestfs method takes priority if it is installed on the host, but
the legacy code still exists for benefit of existing deployed setups
and drivers which don't have qemu/kvm available, eg LXC containers.

|: http://berrange.com      -o-    http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org              -o-             http://virt-manager.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org       -o-       http://live.gnome.org/gtk-vnc :|

OpenStack Development Mailing List (not for usage questions)
Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe

Reply via email to