Re: [PATCH 04/27] Restrict /dev/mem and /dev/kmem when the kernel is locked down

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On Thu, 19 Oct 2017, David Howells wrote:

> From: Matthew Garrett <matthew.garrett@xxxxxxxxxx>
> 
> Allowing users to write to address space makes it possible for the kernel to
> be subverted, avoiding module loading restrictions.  Prevent this when the
> kernel has been locked down.
> 
> Signed-off-by: Matthew Garrett <matthew.garrett@xxxxxxxxxx>
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>


Reviewed-by: James Morris <james.l.morris@xxxxxxxxxx>

-- 
James Morris
<james.l.morris@xxxxxxxxxx>

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