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    SubjectRe: [PATCH] power: disable hibernation if module loading is disabled
    On Fri, Mar 04, 2011 at 07:11:24PM +0300, Vasiliy Kulikov wrote:
    > If /proc/sys/kernel/modules_disabled is set to 1, then nobody (even full
    > root) may not read/write arbitrary kernel memory. In spite of it,
    > hibernation allows anyone with an access to either /dev/snapshot or
    > /sys/power/ make the full snapshot of the system. This snapshot may be
    > freely changed and uploaded back.

    Ah, yes please. I'd like to try to have ways to close all the
    "intentional" arbitrary memory writing interfaces. Hooking it to
    modules_disable seems as good as any other toggle. Still waiting to hear
    anything on this: http://article.gmane.org/gmane.linux.acpi.devel/49471

    Acked-by: Kees Cook <kees.cook@canonical.com>

    --
    Kees Cook
    Ubuntu Security Team


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