oss-security - Re: CVE request: Linux kernel: chipidea: allow disabling streaming in host mode

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Date: Mon, 6 May 2013 08:48:07 -0700
From: Greg KH <greg@...ah.com>
To: oss-security@...ts.openwall.com
Cc: kseifried@...hat.com
Subject: Re: CVE request: Linux kernel: chipidea: allow
 disabling streaming in host mode

On Mon, May 06, 2013 at 05:40:24PM +0200, Marcus Meissner wrote:
> On Sun, May 05, 2013 at 12:37:44AM -0600, Kurt Seifried wrote:
> > On 05/03/2013 05:22 AM, P J P wrote:
> > > Hello,
> > > 
> > > Linux kernel built with the ChipIdia Highspeed Dual Role
> > > Controller (CONFIG_USB_CHIPIDEA) along with the ChipIdea host
> > > controller (CONFIG_USB_CHIPIDEA_HOST) modules, is vulnerable to a
> > > kernel crash. It occurs while streaming content over network via
> > > USB/Ethernet adapter
> > > 
> > > A user/program could use this flaw to crash the kernel resulting in
> > > DoS.
> > > 
> > > Upstream fix: ------------- ->
> > > https://git.kernel.org/linus/929473ea05db455ad88cdc081f2adc556b8dc48f
> > >
> > >  Reference: ---------- ->
> > > https://bugzilla.redhat.com/show_bug.cgi?id=959210
> > > 
> > > Thank you. -- Prasad J Pandit / Red Hat Security Response Team DB7A
> > > 84C5 D3F9 7CD1 B5EB  C939 D048 7860 3655 602B
> > 
> > Please use CVE-2013-2058 for this issue.
> 
> JFYI, the respective code was added in Linux 3.5 as far as I see.

And given the hardware involved, I really doubt any desktop/server
distro ever enabled the driver.  Or if they did, I doubt they had any
users with this hardware present, it's an embedded USB controller core,
so maybe a few Android systems might have it present.

thanks,

greg k-h

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