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Message-ID: <20110726120704.GA3912@albatros>
Date: Tue, 26 Jul 2011 16:07:04 +0400
From: Vasiliy Kulikov <segoon@...nwall.com>
To: kernel-hardening@...ts.openwall.com
Subject: Re: GNU_STACK policy problem
Solar, Eugene,
On Sun, Jul 24, 2011 at 18:06 +0400, Solar Designer wrote:
> On Sun, Jul 24, 2011 at 12:39:07PM +0400, Vasiliy Kulikov wrote:
> > On Sat, Jul 23, 2011 at 19:06 +0400, Solar Designer wrote:
> > > I started looking into this, and here's what I found in RHEL 5 kernels:
> >
> > Very interesting. The same code is present in RHEL 6. However, I don't
> > see the problem of GNU_STACK in DSOs is somehow solved. Maybe RHEL 6
> > glibc has appropriate patches for loader?
>
> I don't know. Please take a look.
I failed to find anything GNU_STACK related in RHEL6 glibc patches.
Weird. Probably they really decided to enforce NX GNU_STACK of binaries
only, leaving libraries' GNU_STACK as is (without NX enforcement)
because of the same reasons.
Thanks,
--
Vasiliy
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