lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:   Sat, 06 Apr 2019 15:04:48 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     dan.carpenter@...cle.com
Cc:     sameo@...ux.intel.com, christophe.ricard@...il.com,
        linux-wireless@...r.kernel.org, kernel-janitors@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 2/2 net] nfc: nci: Potential off by one in ->pipes[]
 array

From: Dan Carpenter <dan.carpenter@...cle.com>
Date: Wed, 3 Apr 2019 10:13:51 +0300

> This is similar to commit e285d5bfb7e9 ("NFC: Fix the number of pipes")
> where we changed NFC_HCI_MAX_PIPES from 127 to 128.
> 
> As the comment next to the define explains, the pipe identifier is 7
> bits long.  The highest possible pipe is 127, but the number of possible
> pipes is 128.  As the code is now, then there is potential for an
> out of bounds array access:
> 
>     net/nfc/nci/hci.c:297 nci_hci_cmd_received() warn: array off by one?
>     'ndev->hci_dev->pipes[pipe]' '0-127 == 127'
> 
> Fixes: 11f54f228643 ("NFC: nci: Add HCI over NCI protocol support")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Applied.

Powered by blists - more mailing lists