From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] virtio: abort on zero config length
Date: Fri, 26 Apr 2013 15:31:24 +0300 [thread overview]
Message-ID: <20130426123124.GB15119@redhat.com> (raw)
In-Reply-To: <517A57FD.3090700@redhat.com>
On Fri, Apr 26, 2013 at 06:33:33PM +0800, Jason Wang wrote:
> On 04/26/2013 06:32 PM, Eric Blake wrote:
> > On 04/25/2013 11:06 PM, Jason Wang wrote:
> >>>> if (addr > (vdev->config_len - sizeof(val)))
> >>>>
> >>>> ^^^^^^^^^ quiz: spot a bug above if config_len is 0 :)
> >>> Then we need to fix these bugs and allocate a CVE. virtio-rng has
> >>> shipped. This code is also dumb.
> >> Ok, but since the discussion is in public list, no need for CVE then.
> > Wrong. CVEs are useful even for publicly disclosed bugs. It tells
> > people whether they need to upgrade in order to avoid a vulnerability.
> >
> > What we don't need is embargo. But we do need a CVE.
> >
>
> True, thanks for the correction.
I think we never shipped QEMU release with this bug. So no need for
CVEs. I'm not sure upstream has to bother with CVEs - we can just say
this is downstream work.
--
MST
next prev parent reply other threads:[~2013-04-26 12:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-25 7:43 [Qemu-devel] [PATCH] virtio: abort on zero config length Jason Wang
2013-04-25 8:11 ` Michael S. Tsirkin
2013-04-25 20:20 ` Anthony Liguori
2013-04-25 21:02 ` Michael S. Tsirkin
2013-04-25 22:27 ` Anthony Liguori
2013-04-26 5:06 ` Jason Wang
2013-04-26 10:32 ` Eric Blake
2013-04-26 10:33 ` Jason Wang
2013-04-26 12:31 ` Michael S. Tsirkin [this message]
2013-04-26 14:13 ` Anthony Liguori
2013-04-26 11:33 ` Laszlo Ersek
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