From: Greg KH <greg@kroah.com>
To: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: stable@vger.kernel.org, linux-wireless@vger.kernel.org,
Kevin Cernekee <cernekee@chromium.org>
Subject: Re: [PATCH] brcmfmac: add length check in brcmf_cfg80211_escan_handler()
Date: Thu, 12 Oct 2017 13:34:05 +0200 [thread overview]
Message-ID: <20171012113405.GA27073@kroah.com> (raw)
In-Reply-To: <1507802052-14654-1-git-send-email-arend.vanspriel@broadcom.com>
On Thu, Oct 12, 2017 at 11:54:12AM +0200, Arend van Spriel wrote:
> commit 17df6453d4be17910456e99c5a85025aa1b7a246 upstream.
>
> Upon handling the firmware notification for scans the length was
> checked properly and may result in corrupting kernel heap memory
> due to buffer overruns. This fix addresses CVE-2017-0786.
>
> Cc: Kevin Cernekee <cernekee@chromium.org>
> Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
> Reviewed-by: Franky Lin <franky.lin@broadcom.com>
> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> ---
> Hi, Greg
>
> This backport for stable-4.4 has been compile tested on x86_64 on
> linux-4.4.y branch in the stable repo. Apparently I only checked
> that the patch applied on 4.4. Lesson learned.
No worries, thanks for the patch.
greg k-h
prev parent reply other threads:[~2017-10-12 11:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-12 9:54 [PATCH] brcmfmac: add length check in brcmf_cfg80211_escan_handler() Arend van Spriel
2017-10-12 11:34 ` Greg KH [this message]
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