qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Anthony Liguori <anthony@codemonkey.ws>
To: Stefan Berger <stefanb@linux.vnet.ibm.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] virtio-rng and fd passing
Date: Sun, 03 Mar 2013 15:06:12 -0600	[thread overview]
Message-ID: <871ubw9osb.fsf@codemonkey.ws> (raw)
In-Reply-To: <51317357.60605@linux.vnet.ibm.com>

Stefan Berger <stefanb@linux.vnet.ibm.com> writes:

> It depends on what one defends against. If a jail-break succeeds and 
> open() is disabled, then that attack surfaces was effectively reduced. 
> It's hard to say whether opening files within libvirt could then allow 
> new exploits.

Well, in the very least, libvirt is doing the open() as root whereas
QEMU does it as an unprivileged user.

Regards,

Anthony Liguori

>
>      Stefan

  reply	other threads:[~2013-03-03 21:06 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <512FF819.7050505@redhat.com>
2013-03-01  9:51 ` [Qemu-devel] virtio-rng and fd passing Paolo Bonzini
2013-03-04  4:29   ` Amit Shah
2013-03-06  6:20   ` Amit Shah
2013-03-01 19:37 ` H. Peter Anvin
2013-03-01 20:13   ` Stefan Berger
2013-03-01 20:15     ` H. Peter Anvin
2013-03-01 20:41     ` Paolo Bonzini
2013-03-01 20:04 ` Anthony Liguori
2013-03-01 20:34   ` Stefan Berger
2013-03-01 21:08     ` Anthony Liguori
2013-03-01 21:13       ` Eric Blake
2013-03-01 23:05         ` Anthony Liguori
2013-03-01 23:14           ` Eric Blake
2013-03-01 23:59             ` Anthony Liguori
2013-03-02  0:29               ` Eric Blake
2013-03-02  3:13                 ` Anthony Liguori
2013-03-02 12:23                   ` Paolo Bonzini
2013-03-03 21:05                     ` Anthony Liguori
2013-03-04 21:57                       ` Eric Blake
2013-03-04 22:24                         ` Anthony Liguori
2013-03-04 22:35                           ` Eric Blake
2013-03-05  4:44                     ` H. Peter Anvin
2013-03-04 21:54                   ` Eric Blake
2013-03-02  0:34               ` Stefan Berger
2013-03-02  3:17                 ` Anthony Liguori
2013-03-02  3:34                   ` Stefan Berger
2013-03-03 21:06                     ` Anthony Liguori [this message]
2013-03-04 15:27                     ` Corey Bryant
2013-03-04 10:29             ` Daniel P. Berrange
2013-03-04 15:55               ` Corey Bryant
2013-03-01 22:59   ` Peter Krempa
2013-03-01 23:14     ` Anthony Liguori

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=871ubw9osb.fsf@codemonkey.ws \
    --to=anthony@codemonkey.ws \
    --cc=qemu-devel@nongnu.org \
    --cc=stefanb@linux.vnet.ibm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).