From: Pablo Neira Ayuso <pablo@netfilter.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: David Miller <davem@davemloft.net>,
netdev@vger.kernel.org, netfilter-devel@vger.kernel.org,
Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH net] netfilter: nftables: Do not run chains in the wrong network namespace
Date: Fri, 19 Jun 2015 19:21:28 +0200 [thread overview]
Message-ID: <20150619172128.GA4607@salvia> (raw)
In-Reply-To: <87oakbg0ym.fsf@x220.int.ebiederm.org>
On Fri, Jun 19, 2015 at 10:41:21AM -0500, Eric W. Biederman wrote:
>
> Currenlty nf_tables chains added in one network namespace are being
> run in all network namespace. The issues are myriad with the simplest
> being an unprivileged user can cause any network packets to be dropped.
>
> Address this by simply not running nf_tables chains in the wrong
> network namespace.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
@David: Patrick sent a similar patch to address this, if you can get
this into the net tree, I'll make sure this propagates to -stable.
Thanks.
--
To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in
next prev parent reply other threads:[~2015-06-19 17:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-19 15:41 [PATCH net] netfilter: nftables: Do not run chains in the wrong network namespace Eric W. Biederman
2015-06-19 17:21 ` Pablo Neira Ayuso [this message]
2015-06-23 13:23 ` David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150619172128.GA4607@salvia \
--to=pablo@netfilter.org \
--cc=davem@davemloft.net \
--cc=ebiederm@xmission.com \
--cc=kaber@trash.net \
--cc=netdev@vger.kernel.org \
--cc=netfilter-devel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).