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----- Original Message -----
> Hello, Josh, Steve, vendors,
> It was found that vsftpd, Very Secure FTP daemon, when the network
> namespace (CONFIG_NET_NS) support was activated in the kernel, used to
> create a new network namespace per connection. A remote attacker could
> use this flaw to cause a memory pressure and denial of the vsftpd
>  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629373
>  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/720095
>  https://bugzilla.redhat.com/show_bug.cgi?id=711134
> This one being a bit tricky one -- from my understanding of the issue,
> vsftpd doesn't necessarily have a security flaw on its side. It's
> kernel issue / bug, which allows this to be used for vsftpd DoS:
> Short-term solution would be probably to address this on the vsftpd
> side, the long-term one then being to get this fixed in kernel.
> Though not sure, how it would be wrt to CVE identifier(s) assignment.
I'm going to assign CVE-2011-2189 for the kernel. There are numerous
vendors shipping this bug.
I'll leave it up to MITRE if they think vsftpd should get an ID. I don't
think it should myself, but they understand these corner cases better than