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From: Thomas Monjalon <thomas@monjalon.net>
To: Maxime Coquelin <maxime.coquelin@redhat.com>,
	Chenbo Xia <chenbo.xia@intel.com>,
	Zhihong Wang <zhihong.wang@intel.com>,
	Jay Zhou <jianjay.zhou@huawei.com>,
	Fan Zhang <roy.fan.zhang@intel.com>,
	Ferruh Yigit <ferruh.yigit@intel.com>
Cc: stable@dpdk.org, dev@dpdk.org
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH 6/6] vhost/crypto: fix possible TOCTOU attack
Date: Mon, 28 Sep 2020 17:19:14 +0200
Message-ID: <3132418.IDjBfVWYWf@thomas> (raw)
In-Reply-To: <20200928105918.740807-6-ferruh.yigit@intel.com>

> From: Fan Zhang <roy.fan.zhang@intel.com>
> 
> This patch fixes the possible time-of-check to time-of-use (TOCTOU)
> attack problem by copying request data and descriptor index to local
> variable prior to process.
> 
> Also the original sequential read of descriptors may lead to TOCTOU
> attack. This patch fixes the problem by loading all descriptors of a
> request to local buffer before processing.
> 
> CVE-2020-14375
> Fixes: 3bb595ecd682 ("vhost/crypto: add request handler")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
> Acked-by: Chenbo Xia <chenbo.xia@intel.com>

Series applied in the main repository, thanks.



      reply	other threads:[~2020-09-28 15:19 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-28 10:59 [dpdk-dev] [PATCH 1/6] vhost/crypto: fix pool allocation Ferruh Yigit
2020-09-28 10:59 ` [dpdk-dev] [PATCH 2/6] vhost/crypto: fix incorrect descriptor deduction Ferruh Yigit
2020-09-28 10:59 ` [dpdk-dev] [PATCH 3/6] vhost/crypto: fix missed request check for copy mode Ferruh Yigit
2020-09-28 10:59 ` [dpdk-dev] [PATCH 4/6] vhost/crypto: fix incorrect write back source Ferruh Yigit
2020-09-28 10:59 ` [dpdk-dev] [PATCH 5/6] vhost/crypto: fix data length check Ferruh Yigit
2020-09-28 10:59 ` [dpdk-dev] [PATCH 6/6] vhost/crypto: fix possible TOCTOU attack Ferruh Yigit
2020-09-28 15:19   ` Thomas Monjalon [this message]

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