From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: Xin Long <lucien.xin@gmail.com>
Cc: network dev <netdev@vger.kernel.org>,
davem@davemloft.net, kuba@kernel.org, linux-sctp@vger.kernel.org,
michael.tuexen@lurchi.franken.de
Subject: Re: [PATCH net 0/7] sctp: enhancements for the verification tag
Date: Thu, 21 Oct 2021 22:45:37 -0300 [thread overview]
Message-ID: <YXIXwWOkUYhazR4R@t14s.localdomain> (raw)
In-Reply-To: <cover.1634730082.git.lucien.xin@gmail.com>
On Wed, Oct 20, 2021 at 07:42:40AM -0400, Xin Long wrote:
> This patchset is to address CVE-2021-3772:
>
> A flaw was found in the Linux SCTP stack. A blind attacker may be able to
> kill an existing SCTP association through invalid chunks if the attacker
> knows the IP-addresses and port numbers being used and the attacker can
> send packets with spoofed IP addresses.
>
> This is caused by the missing VTAG verification for the received chunks
> and the incorrect vtag for the ABORT used to reply to these invalid
> chunks.
>
> This patchset is to go over all processing functions for the received
> chunks and do:
>
...
>
> This patch series has been tested with SCTP TAHI testing to make sure no
> regression caused on protocol conformance.
Nice!
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
next prev parent reply other threads:[~2021-10-22 1:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-20 11:42 [PATCH net 0/7] sctp: enhancements for the verification tag Xin Long
2021-10-20 11:42 ` [PATCH net 1/7] sctp: use init_tag from inithdr for ABORT chunk Xin Long
2021-10-20 11:42 ` [PATCH net 2/7] sctp: fix the processing for INIT chunk Xin Long
2021-10-20 11:42 ` [PATCH net 3/7] sctp: fix the processing for INIT_ACK chunk Xin Long
2021-10-20 11:42 ` [PATCH net 4/7] sctp: fix the processing for COOKIE_ECHO chunk Xin Long
2021-10-20 11:42 ` [PATCH net 5/7] sctp: add vtag check in sctp_sf_violation Xin Long
2021-10-20 11:42 ` [PATCH net 6/7] sctp: add vtag check in sctp_sf_do_8_5_1_E_sa Xin Long
2021-10-20 11:42 ` [PATCH net 7/7] sctp: add vtag check in sctp_sf_ootb Xin Long
2021-10-20 23:23 ` [PATCH net 0/7] sctp: enhancements for the verification tag Marcelo Ricardo Leitner
2021-10-22 1:45 ` Marcelo Ricardo Leitner [this message]
2021-10-22 23:38 ` Jakub Kicinski
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=YXIXwWOkUYhazR4R@t14s.localdomain \
--to=marcelo.leitner@gmail.com \
--cc=davem@davemloft.net \
--cc=kuba@kernel.org \
--cc=linux-sctp@vger.kernel.org \
--cc=lucien.xin@gmail.com \
--cc=michael.tuexen@lurchi.franken.de \
--cc=netdev@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