linux-kernel - Re: [PATCH] net: wimax/i2400m: fix NULL-deref at probe

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 linux-cve-announce 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:   Mon, 13 Mar 2017 12:28:57 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     johan@...nel.org
Cc:     inaky.perez-gonzalez@...el.com, linux-wimax@...el.com,
        netdev@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, inaky@...ux.intel.com
Subject: Re: [PATCH] net: wimax/i2400m: fix NULL-deref at probe

From: Johan Hovold <johan@...nel.org>
Date: Mon, 13 Mar 2017 13:42:03 +0100

> Make sure to check the number of endpoints to avoid dereferencing a
> NULL-pointer or accessing memory beyond the endpoint array should a
> malicious device lack the expected endpoints.
> 
> The endpoints are specifically dereferenced in the i2400m_bootrom_init
> path during probe (e.g. in i2400mu_tx_bulk_out).
> 
> Fixes: f398e4240fce ("i2400m/USB: probe/disconnect, dev init/shutdown
> and reset backends")
> Cc: Inaky Perez-Gonzalez <inaky@...ux.intel.com>
> 
> Signed-off-by: Johan Hovold <johan@...nel.org>

Applied.