linux-kernel - Re: [PATCH] firmware loader: fix use-after-free by double abort

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Message-ID: <20130617235915.GA19162@kroah.com>
Date:	Mon, 17 Jun 2013 16:59:15 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Ming Lei <ming.lei@...onical.com>
Cc:	nirinA raseliarison <nirina.raseliarison@...il.com>,
	linux-kernel@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	stable <stable@...r.kernel.org>
Subject: Re: [PATCH] firmware loader: fix use-after-free by double abort

On Sat, Jun 15, 2013 at 04:36:38PM +0800, Ming Lei wrote:
> fw_priv->buf is accessed in both request_firmware_load() and
> writing to sysfs file of 'loading' context, but not protected
> by 'fw_lock' entirely. The patch makes sure that access on
> 'fw_priv->buf' is protected by the lock.
> 
> So fixes the double abort problem reported by nirinA raseliarison:
> 
> 	http://lkml.org/lkml/2013/6/14/188
> 
> Reported-and-tested-by: nirinA raseliarison <nirina.raseliarison@...il.com>
> Cc: Guenter Roeck <linux@...ck-us.net>
> Cc: Bjorn Helgaas <bhelgaas@...gle.com>
> Cc: stable <stable@...r.kernel.org>
> Signed-off-by: Ming Lei <ming.lei@...onical.com>

So this is a 3.9-stable thing?  Anything newer than that?

thanks,

greg k-h
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