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Date: Mon, 20 Jul 2009 17:49:44 +0400
From: Solar Designer <>
Subject: Re: Linux 2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable

I got to quit commenting on my own postings, here's the last one at
least for today, as I am obviously too tired.  I wrote:

> It occurred to me, from a few things I've seen/read lately, that RHEL 5
> must indeed already include a back-port of the mmap_min_addr feature,
> although somehow it is not in OpenVZ's patch-128.1.1.el5.028stab062.3
> (was added after the -128 revision?), which is why I am adding my own
> back-port of mmap_min_addr on top of that patch.

I had recalled incorrectly.  As Eugene reminded me off-list, the extra
patch I was actually referring to was about making the mmap_min_addr
support (already present in RHEL 5 kernels, including the revision
mentioned above) available independently of CONFIG_SECURITY.


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