linux-kernel - Re: [PATCH v3 7/9] module: Move lockdown check into generic module loader

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] [day] [month] [year] [list]

Message-ID: <CAHC9VhTuf1u4B3uybZxdojcmz5sFG+_JHUCC=C0N=9gFDmurHg@mail.gmail.com>
Date: Wed, 19 Nov 2025 14:55:47 -0500
From: Paul Moore <paul@...l-moore.com>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: Thomas Weißschuh <linux@...ssschuh.net>, 
	Masahiro Yamada <masahiroy@...nel.org>, Nathan Chancellor <nathan@...nel.org>, Arnd Bergmann <arnd@...db.de>, 
	Luis Chamberlain <mcgrof@...nel.org>, Petr Pavlu <petr.pavlu@...e.com>, 
	Sami Tolvanen <samitolvanen@...gle.com>, Daniel Gomez <da.gomez@...sung.com>, 
	James Morris <jmorris@...ei.org>, "Serge E. Hallyn" <serge@...lyn.com>, Jonathan Corbet <corbet@....net>, 
	Madhavan Srinivasan <maddy@...ux.ibm.com>, Michael Ellerman <mpe@...erman.id.au>, 
	Nicholas Piggin <npiggin@...il.com>, Christophe Leroy <christophe.leroy@...roup.eu>, 
	Naveen N Rao <naveen@...nel.org>, Mimi Zohar <zohar@...ux.ibm.com>, 
	Roberto Sassu <roberto.sassu@...wei.com>, Dmitry Kasatkin <dmitry.kasatkin@...il.com>, 
	Eric Snowberg <eric.snowberg@...cle.com>, Nicolas Schier <nicolas.schier@...ux.dev>, 
	Fabian Grünbichler <f.gruenbichler@...xmox.com>, 
	Arnout Engelen <arnout@...t.net>, Mattia Rizzolo <mattia@...reri.org>, kpcyrd <kpcyrd@...hlinux.org>, 
	Christian Heusel <christian@...sel.eu>, Câju Mihai-Drosi <mcaju95@...il.com>, 
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arch@...r.kernel.org, linux-modules@...r.kernel.org, 
	linux-security-module@...r.kernel.org, linux-doc@...r.kernel.org, 
	linuxppc-dev@...ts.ozlabs.org, linux-integrity@...r.kernel.org
Subject: Re: [PATCH v3 7/9] module: Move lockdown check into generic module loader

On Wed, Nov 19, 2025 at 6:20 AM Sebastian Andrzej Siewior
<bigeasy@...utronix.de> wrote:
> On 2025-04-29 15:04:34 [+0200], Thomas Weißschuh wrote:
> > The lockdown check buried in module_sig_check() will not compose well
> > with the introduction of hash-based module validation.
>
> An explanation of why would be nice.

/me shrugs

I thought the explanation was sufficient.

> > Move it into module_integrity_check() which will work better.
> >
> > Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>

-- 
paul-moore.com