All of lore.kernel.org
 help / color / mirror / Atom feed
From: Andy Smith <andy@strugglers.net>
To: xen-devel@lists.xen.org
Subject: Re: Xen Security Advisory 7 (CVE-2012-0217) - PV privilege escalation
Date: Tue, 12 Jun 2012 12:15:10 +0000	[thread overview]
Message-ID: <20120612121510.GQ11695@bitfolk.com> (raw)
In-Reply-To: <20439.12248.291249.667993@mariner.uk.xensource.com>

Hello,

A quick question with regard to XSA-7:

On Tue, Jun 12, 2012 at 01:02:32PM +0100, Xen.org security team wrote:
> MITIGATION
> ==========
> 
> This issue can be mitigated by running HVM (fully-virtualised)
> or 32 bit PV guests only.

Assuming 64-bit hypervisor and dom0, with PV guests booted using
pygrub, is there any way to restrict guests to 32-bit only?

Cheers,
Andy

  reply	other threads:[~2012-06-12 12:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-12 12:02 Xen Security Advisory 7 (CVE-2012-0217) - PV privilege escalation Xen.org security team
2012-06-12 12:15 ` Andy Smith [this message]
2012-06-12 14:06   ` Ian Campbell

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=20120612121510.GQ11695@bitfolk.com \
    --to=andy@strugglers.net \
    --cc=xen-devel@lists.xen.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.