[pkg-dhcp-devel] Bug#717215: Bug#717215: dhcpd: 5 bad udp checksums in 5 packets

Simon Boulet simon at nostalgeek.com
Tue Mar 3 14:25:44 UTC 2015

Hi Axel,

On Tue, Mar 3, 2015 at 3:01 AM, Axel Beckert <abe at debian.org> wrote:

> Debian Bug Tracking System wrote:
> > severity 717215 serious
> This is by no means a release-critical bug. "annoying" is no reason
> for being release-critical, despite I understand that people often
> wish so.
> I'd say "in not so recent versions". That was back in 2013. By the
> way, the severity there is "low" because "there are workarounds".

Yes, there are workarounds. The workaround need to be applied on the
host/dom0 (no matter the host distribution) for any *Debian* virtual
machine to obtain configuration through DHCP.

This bug prevents *Debian* instances using DHCP from working in any
virtualized environments (being KVM, Xen or LXC) without the workaround.
Every other major distributions (Red Hat in 2011, Ubuntu in 2013) now have
fixed their DHCP client. Also LXC added the iptables workaround to 1.0.0 in

This bug has been initially reported to Debian more than 3 years ago in
#652739 (but BTS won't let me merge it).

I didn't meant the bug to be "release-critical". Perhaps "important" would
be a more suitable severity, then.

But this bug definitively needs the attention of the ISC DHCP maintainers.

Patch here:


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