All of lore.kernel.org
 help / color / mirror / Atom feed
From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Florian Westphal <fw@strlen.de>
Cc: netfilter-devel@vger.kernel.org,
	syzbot+cfc0247ac173f597aaaa@syzkaller.appspotmail.com,
	Andy Nguyen <theflow@google.com>
Subject: Re: [PATCH nf] netfilter: x_tables: fix compat match/target pad out-of-bound write
Date: Tue, 13 Apr 2021 00:23:13 +0200	[thread overview]
Message-ID: <20210412222313.GA20328@salvia> (raw)
In-Reply-To: <20210407193857.21120-1-fw@strlen.de>

On Wed, Apr 07, 2021 at 09:38:57PM +0200, Florian Westphal wrote:
> xt_compat_match/target_from_user doesn't check that zeroing the area
> to start of next rule won't write past end of allocated ruleset blob.
> 
> Remove this code and zero the entire blob beforehand.

Applied.

      reply	other threads:[~2021-04-12 22:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-07 19:38 [PATCH nf] netfilter: x_tables: fix compat match/target pad out-of-bound write Florian Westphal
2021-04-12 22:23 ` Pablo Neira Ayuso [this message]

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=20210412222313.GA20328@salvia \
    --to=pablo@netfilter.org \
    --cc=fw@strlen.de \
    --cc=netfilter-devel@vger.kernel.org \
    --cc=syzbot+cfc0247ac173f597aaaa@syzkaller.appspotmail.com \
    --cc=theflow@google.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.