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Re: [Qemu-devel] [RFC] sanitize memory on system reset
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [RFC] sanitize memory on system reset |
Date: |
Thu, 13 Jun 2013 10:40:15 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Jun 13, 2013 at 08:09:09AM +0200, Peter Lieven wrote:
> I was thinking if it would be a good idea to zeroize all memory resources on
> system reset and
> madvise dontneed them afterwards. This would avoid system reset attacks in
> case the attacker
> has only access to the console of a vServer but not on the physical host and
> it would shrink
> RSS size of the vServer siginificantly.
I wonder if you'll hit weird OS installers or PXE clients that rely on
stashing stuff in memory across reset.
Stefan
- [Qemu-devel] [RFC] sanitize memory on system reset, Peter Lieven, 2013/06/13
- Re: [Qemu-devel] [RFC] sanitize memory on system reset,
Stefan Hajnoczi <=
- Re: [Qemu-devel] [RFC] sanitize memory on system reset, Peter Lieven, 2013/06/13
- Re: [Qemu-devel] [RFC] sanitize memory on system reset, Peter Lieven, 2013/06/13
- Re: [Qemu-devel] [RFC] sanitize memory on system reset, Markus Armbruster, 2013/06/13
- Re: [Qemu-devel] [RFC] sanitize memory on system reset, Anthony Liguori, 2013/06/13
- Re: [Qemu-devel] [RFC] sanitize memory on system reset, Paolo Bonzini, 2013/06/13
- Re: [Qemu-devel] [RFC] sanitize memory on system reset, Christian Borntraeger, 2013/06/14
- Re: [Qemu-devel] [RFC] sanitize memory on system reset, Alexander Graf, 2013/06/14
- Re: [Qemu-devel] [RFC] sanitize memory on system reset, Paolo Bonzini, 2013/06/14
- Re: [Qemu-devel] [RFC] sanitize memory on system reset, Peter Lieven, 2013/06/17