linux-kernel - Re: [PATCH v2] staging: rtl8192e: Fix possible buffer overflow in _rtl92e_wx_set

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Date:   Fri, 26 Feb 2021 16:48:55 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Lee Gibson <leegib@...il.com>
Cc:     gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] staging: rtl8192e: Fix possible buffer overflow in
 _rtl92e_wx_set_scan

On Fri, Feb 26, 2021 at 01:27:25PM +0000, Lee Gibson wrote:
> Function _rtl92e_wx_set_scan calls memcpy without checking the length.
> A user could control that length and trigger a buffer overflow.
> Fix by checking the length is within the maximum allowed size.
> 
> Changes in v2: 
> 	Changed to use min_t as per useful suggestions

This kind of information is supposed to go below the --- cut off line

> 
> Signed-off-by: Lee Gibson <leegib@...il.com>
> ---
  ^^^

here.

regards,
dan carpenter