Thread (149 messages) 149 messages, 16 authors, 2017-12-08

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

From: James Morris <hidden>
Date: 2017-10-20 23:22:09
Also in: linux-security-module, lkml 

On Thu, 19 Oct 2017, David Howells wrote:

From: Matthew Garrett <redacted>

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 <redacted>
Signed-off-by: David Howells <dhowells@redhat.com>

Reviewed-by: James Morris <redacted>

-- 
James Morris
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