Re: [PATCHv7 0/3] Kernel Live Patching

From: Balbir Singh
Date: Wed Dec 17 2014 - 02:52:28 EST


On Wed, Dec 17, 2014 at 12:16 PM, Jiri Kosina <jkosina@xxxxxxx> wrote:
> On Wed, 17 Dec 2014, Balbir Singh wrote:
>
>> >> Could you describe what this does to signing? I presume the patched
>> >> module should cause a taint on module signing?
>> >
>> > Hmm, why should it?
>>
>> I wanted to clarify it from a different perspective
>>
>> If the base image is signed by X and the patched module is signed by
>> Y, is that supported. What does it imply in the case of live-patching?
>
> Why should that matter? Both are signed by keys that kernel is configured
> to trust, which makes them equal (even though they are technically
> different).
>

I am not sure they are equal, others can comment

Balbir Singh
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