RE: [Xen-devel] Xen Security

["Neugebauer, Rolf" <rolf.neugebauer@xxxxxxxxx>]

> -----Original Message-----
> From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Phillip Mumford
> Sent: 19 January 2005 14:39
> To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
> Subject: [Xen-devel] Xen Security
> 
> Just a quick question regarding the security of a Xen host.
> 
> Are there any security implications I need to be aware of if I allow a
> Xen-U host to use kernel modules?  I've mainly used UML in past, where
> a user could easily read files on the host machines filesystem.
> 
> Is it safe to allow people to run with modules allowed?

Xen provides stronger isolation than UML and kernel modules in a VM
should only be able to compromise the resources that that VM has access
to (eg its filespace) but not other VMs

rolf


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