linux-kernel - Re: [PATCH V10] RO/NX protection for loadable kernel modules

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: <201002081159.45219.rusty@rustcorp.com.au>
Date:	Mon, 8 Feb 2010 11:59:44 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Siarhei Liakh <sliakh.lkml@...il.com>,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-next@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>,
	James Morris <jmorris@...ei.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@....de>, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Dave Jones <davej@...hat.com>
Subject: Re: [PATCH V10] RO/NX protection for loadable kernel modules

On Tue, 2 Feb 2010 04:36:49 pm H. Peter Anvin wrote:
> On 02/01/2010 07:59 PM, Rusty Russell wrote:
> > On Tue, 2 Feb 2010 10:09:53 am Siarhei Liakh wrote:
> >> This patch is a logical extension of the protection provided by
> >> CONFIG_DEBUG_RODATA to LKMs. The protection is provided by splitting
> >> module_core and module_init into three logical parts each and setting
> >> appropriate page access permissions for each individual section:
> >>
> >>   1. Code: RO+X
> >>   2. RO data: RO+NX
> >>   3. RW data: RW+NX
> >
> > Thanks, applied!
> 
> I also applied this to the -tip tree... do you prefer to carry it or 
> should I leave it as is?

I'm always happy for you to do my work for me!  There are no other module
patches likely to conflict.

Acked-by: Rusty Russell <rusty@...tcorp.com.au>

Cheers,
Rusty.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/