From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: phil@nwl.cc
Subject: Re: [PATCH nft] owner: Fix potential array out of bounds access
Date: Wed, 21 Dec 2022 17:41:17 +0100 [thread overview]
Message-ID: <Y6M3LQU5rXnNw1DX@salvia> (raw)
In-Reply-To: <20221221163746.63408-1-pablo@netfilter.org>
On Wed, Dec 21, 2022 at 05:37:46PM +0100, Pablo Neira Ayuso wrote:
> If the link target length exceeds 'sizeof(tmp)' bytes, readlink() will
> return 'sizeof(tmp)'. Using this value as index is illegal.
>
> Original update from Phil, for the conntrack-tools tree, which also has
> a copy of this function.
For the record: If this code is generalized, this code is a candidate
for libmnl I think.
prev parent reply other threads:[~2022-12-21 16:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-21 16:37 [PATCH nft] owner: Fix potential array out of bounds access Pablo Neira Ayuso
2022-12-21 16:41 ` Pablo Neira Ayuso [this message]
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