From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Wander Lairson Costa <wander@redhat.com>
Cc: Jozsef Kadlecsik <kadlec@netfilter.org>,
Florian Westphal <fw@strlen.de>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Harald Welte <laforge@netfilter.org>,
"open list:NETFILTER" <netfilter-devel@vger.kernel.org>,
"open list:NETFILTER" <coreteam@netfilter.org>,
"open list:NETWORKING [GENERAL]" <netdev@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>,
Lucas Leong <wmliang@infosec.exchange>,
stable@kernel.org
Subject: Re: [PATCH nf] netfilter/xt_sctp: validate the flag_info count
Date: Wed, 30 Aug 2023 17:17:44 +0200 [thread overview]
Message-ID: <ZO9dmIXtmWGlrSDh@calendula> (raw)
In-Reply-To: <20230828221255.124812-1-wander@redhat.com>
On Mon, Aug 28, 2023 at 07:12:55PM -0300, Wander Lairson Costa wrote:
> sctp_mt_check doesn't validate the flag_count field. An attacker can
> take advantage of that to trigger a OOB read and leak memory
> information.
>
> Add the field validation in the checkentry function.
Applied to nf, thanks
prev parent reply other threads:[~2023-08-30 18:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-28 22:12 [PATCH nf] netfilter/xt_sctp: validate the flag_info count Wander Lairson Costa
2023-08-30 15:17 ` Pablo Neira Ayuso [this message]
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