linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Jordy Zomer <jordy@pwning.systems>
Cc: kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH v3] nfc: st21nfca: Fix potential buffer overflows in EVT_TRANSACTION
Date: Wed, 12 Jan 2022 11:07:34 +0100	[thread overview]
Message-ID: <b47eba60-9d02-2901-2759-b2230087193c@canonical.com> (raw)
In-Reply-To: <20220111164451.3232987-1-jordy@pwning.systems>

On 11/01/2022 17:44, Jordy Zomer wrote:
> It appears that there are some buffer overflows in EVT_TRANSACTION.
> This happens because the length parameters that are passed to memcpy
> come directly from skb->data and are not guarded in any way.
> 
> Signed-off-by: Jordy Zomer <jordy@pwning.systems>
> ---
>  drivers/nfc/st21nfca/se.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 


Looks ok.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>


Best regards,
Krzysztof

  reply	other threads:[~2022-01-12 10:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-17 17:17 [PATCH] nfc: st21nfca: Fix potential buffer overflows in EVT_TRANSACTION Jordy Zomer
2021-11-18  7:04 ` [PATCH v2] " Jordy Zomer
2021-11-18  7:40   ` Krzysztof Kozlowski
2022-01-11 16:44 ` [PATCH v3] " Jordy Zomer
2022-01-12 10:07   ` Krzysztof Kozlowski [this message]
2022-01-12 17:25     ` 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=b47eba60-9d02-2901-2759-b2230087193c@canonical.com \
    --to=krzysztof.kozlowski@canonical.com \
    --cc=jordy@pwning.systems \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --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;
as well as URLs for NNTP newsgroup(s).