Re: [stable] xen/pciback: Don't disable PCI_COMMAND on PCI device reset.

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On 03/06/2019 14:02, Ben Hutchings wrote:
> On Mon, 2019-06-03 at 10:00 +0200, Greg KH wrote:
>> On Thu, May 30, 2019 at 07:02:34PM -0700, Konrad Rzeszutek Wilk wrote:
>>> On 5/30/19 8:16 AM, Ben Hutchings wrote:
>>>> I'm looking at CVE-2015-8553 which is fixed by:
>>>>
>>>> commit 7681f31ec9cdacab4fd10570be924f2cef6669ba
>>>> Author: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
>>>> Date:   Wed Feb 13 18:21:31 2019 -0500
>>>>
>>>>      xen/pciback: Don't disable PCI_COMMAND on PCI device reset.
>>>>
>>>> I'm aware that this change is incompatible with qemu < 2.5, but that's
>>>> now quite old.  Do you think it makes sense to apply this change to
>>>> some stable branches?
>>>>
>>>> Ben.
>>>>
>>>
>>> Hey Ben,
>>>
>>> <shrugs> My opinion is to drop it, but if Juergen thinks it makes sense to
>>> backport I am not going to argue.
>>
>> Ok, I've queued this up now, thanks.
> 
> Juergen said:
> 
>> I'm with Konrad here.
> 
> so unless I'm very confused this should *not* be applied to stable
> branches.

"should not" is a little bit hard. I didn't opt for adding it, but I
don't object to add it either (like Konrad :-) ).


Juergen



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