Messages in this thread | | | Date | Thu, 28 Feb 2013 23:05:19 +0000 | From | Matthew Garrett <> | Subject | Re: [GIT PULL] Load keys from signed PE binaries |
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On Fri, Mar 01, 2013 at 12:02:43AM +0100, Jiri Kosina wrote:
> But the real harm is being done by the i_own_your_ring0.ko module, which > can be modprobed on all the systems where the signed "hello world" binary > has been keyctl-ed before it was blacklisted.
Sure, if you've been infected before the revocation, you'll still be infected. There's not really any good way around that.
> In other words -- you blacklist the population of the key on systems by > blakclisting the key-carrying binary, but the key remains trusted on > whatever system the binary has been processed by keyctl before. Right?
You have to re-load it on every boot, it's not a permanent thing.
-- Matthew Garrett | mjg59@srcf.ucam.org
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