Re: [kernel-hardening] Re: [RFC v1] mm: SLAB freelist randomization

[Yves-Alexis Perez]

On mer., 2016-04-06 at 14:45 -0700, Kees Cook wrote:
> > This security feature reduces the predictability of
> > the kernel slab allocator against heap overflows.
> 
> I would add "... rendering attacks much less stable." And if you can
> find a specific example exploit that is foiled by this, I would refer
> to it.

One good example might (or might not) be the keyring issue from earlier this
year (CVE-2016-0728):

http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-ker
nel-vulnerability-cve-2016-0728/

Regards,
-- 
Yves-Alexis

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