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Message-ID: <a97223bb-e7db-48c8-8a94-4ca3c8b29803@analygence.com>
Date: Mon, 8 Jul 2024 14:09:59 -0400
From: Will Dormann <will.dormann@...lygence.com>
To: oss-security@...ts.openwall.com
Subject: Re: ASLRn't is still alive and well on x86 kernels,
despite CVE-2024-26621 patch
On 7/8/24 1:28 PM, Florian Weimer wrote:
> The kernel should not apply hugepage optimizations to mappings created
> with MAP_DENYWRITE.
FWIW, Grsecurity has published a blog post about this topic that covers
much more nuance than the original "ASLRn't" blog post:
<https://grsecurity.net/toolchain_necromancy_past_mistakes_haunting_aslr>
-WD
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