| Date | Wed, 29 Oct 2014 15:25:31 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 00/12] Add kdbus implementation |
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On Wed, Oct 29, 2014 at 03:19:21PM -0700, Andy Lutomirski wrote: > On Wed, Oct 29, 2014 at 3:00 PM, Greg Kroah-Hartman > <gregkh@linuxfoundation.org> wrote: > > * Attachment of trustable metadata to each message on demand, such as > > the sending peer's timestamp, creds, auxgroups, comm, exe, cmdline, > > cgroup path, capabilities, security label, audit information, etc, > > each taken at the time the sender issued the ioctl to send the > > message. Which of those are actually recorded and attached is > > controlled by the receiving peer. > > I think that each piece of trustable metadata needs to be explicitly > opted-in to by the sender at the time of capture. Otherwise you're > asking for lots of information leaks and privilege escalations. This > is especially important given that some of the items in the current > list could be rather sensitive.
You do have to opt-in for this information at time of capture, so I don't understand the issue here. This is the same type of thing that dbus does today, and I don't see the information leaks happening there, do you?
thanks,
greg k-h
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