lkml.org 
[lkml]   [2014]   [Oct]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 00/12] Add kdbus implementation
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


\
 
 \ /
  Last update: 2014-10-30 00:01    [W:0.247 / U:0.204 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site