linux-kernel - Re: [PATCH v2] x86/mm: Refuse W^X violations

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <202208291208.E19DE00ED@keescook>
Date:   Mon, 29 Aug 2022 12:08:56 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Dave Hansen <dave.hansen@...el.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        Sean Christopherson <seanjc@...gle.com>
Subject: Re: [PATCH v2] x86/mm: Refuse W^X violations

On Mon, Aug 29, 2022 at 12:18:03PM +0200, Peter Zijlstra wrote:
> 
> x86 has STRICT_*_RWX, but not even a warning when someone violates it.
> 
> Add this warning and fully refuse the transition.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook