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Message-ID: <CA+55aFykp_ifLG=GkdGEM2keZs1Kb=eYcjjLz1LQh78LVSZong@mail.gmail.com>
Date: Wed, 6 Apr 2016 10:54:03 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Emrah Demir <ed@...sec.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Kees Cook <keescook@...omium.org>,
Dan Rosenberg <dan.j.rosenberg@...il.com>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, Dave Jones <davej@...hat.com>
Subject: Re: [PATCH] KERNEL: resource: Fix bug on leakage in /proc/iomem file
On Wed, Apr 6, 2016 at 8:20 AM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> I'd much rather just not insert the resources in the first place then.
So I'd find a patch like the attached to be perfectly acceptable (in
fact, we should have done this long ago).
That said, for a kernel hardening thing, I think it would be much more
important to just make sure that KASLR is enabled much more. Right now
I think it's disabled in practice if you enable hibernation support,
and I think most distros do that.
So I think that in *practice*, kaslr is much more likely to be
defeated by much more mundane reasons.
Linus
View attachment "patch.diff" of type "text/plain" (1850 bytes)
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