netdev - Re: [PATCH v2] netfilter: nf_tables: prevent OOB access in nft_byteorder

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Message-ID: <ZKX1Mt2pjVTpjA24@calendula>
Date: Thu, 6 Jul 2023 00:56:50 +0200
From: Pablo Neira Ayuso <pablo@...filter.org>
To: Thadeu Lima de Souza Cascardo <cascardo@...onical.com>
Cc: netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	Florian Westphal <fw@...len.de>
Subject: Re: [PATCH v2] netfilter: nf_tables: prevent OOB access in
 nft_byteorder_eval

On Wed, Jul 05, 2023 at 06:05:35PM -0300, Thadeu Lima de Souza Cascardo wrote:
> When evaluating byteorder expressions with size 2, a union with 32-bit and
> 16-bit members is used. Since the 16-bit members are aligned to 32-bit,
> the array accesses will be out-of-bounds.

Applied to nf, thanks