CVE-2014-1447 [was: [PATCH] Really don't crash if a connection closes early]

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On 01/13/2014 08:24 AM, Jiri Denemark wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=1047577
> 
> When writing commit 173c291, I missed the fact virNetServerClientClose
> unlocks the client object before actually clearing client->sock and thus
> it is possible to hit a window when client->keepalive is NULL while
> client->sock is not NULL. I was thinking client->sock == NULL was a
> better check for a closed connection but apparently we have to go with
> client->keepalive == NULL to actually fix the crash.

By the way, commit 173c291 and this commit together fix CVE-2014-1447.
I'll be working on backporting it to appropriate branches.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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