On Mon, 9 Sep 2013, Matthew Garrett wrote:
On Mon, 2013-09-09 at 11:40 -0700, David Lang wrote:
On Mon, 9 Sep 2013, Matthew Garrett wrote:
On Mon, 2013-09-09 at 11:25 -0700, David Lang wrote:
Given that we know that people want signed binaries without blocking kexec, you
should have '1' just enforce module signing and '2' (or higher) implement a full
lockdown including kexec.
There's already a kernel option for that.
So, if there is an existing kernel option for this, why do we need a new one?
There's an existing kernel option for "I want to enforce module
signatures but I don't care about anything else". There isn't for "I
want to prevent userspace from modifying my running kernel".
So is there a way to unify these different things rather than creating yet
another different knob?
David Lang
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