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xen-devel
Re: [Xen-devel] QEMU "drive_init()" Disk Format Security Bypass
Daniel P. Berrange writes ("Re: [Xen-devel] QEMU "drive_init()" Disk Format
Security Bypass"):
> Well, tap:XXX: style URLS already encode the format explicitly. So if
> we made QEMU understand that syntax too, then that gives admins the
> option to be secure, while keeping file: fas a legacy (unsecure) mode
> for compatability. This has the added advantage that it'd be the same
> syntax used for PV-on-HVM drivers, and avoids nasty guessing based on
> filename.
Yes, encoding the format explicit is definitely the way forward.
The question is what to do for existing deployments. Would the users
prefer to have their system break now or to get rooted in a month or
two ?
Ian.
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