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: <20070605211616.GE23291@devserv.devel.redhat.com>
Date:	Tue, 5 Jun 2007 17:16:16 -0400
From:	Alan Cox <alan@...hat.com>
To:	James Morris <jmorris@...ei.org>
Cc:	Eric Paris <eparis@...hat.com>, linux-kernel@...r.kernel.org,
	selinux@...ho.nsa.gov, Alan Cox <alan@...hat.com>,
	drepper@...hat.com, roland@...hat.com, arjan@...radead.org,
	mingo@...e.hu, viro@...iv.linux.org.uk, chrisw@...hat.com,
	sds@...ho.nsa.gov, sgrubb@...hat.com
Subject: Re: [PATCH] Protection for exploiting null dereference using mmap

On Tue, Jun 05, 2007 at 05:00:51PM -0400, James Morris wrote:
> This should be an unsigned long.
> 
> I wonder if the default should be for this value to be zero (i.e. preserve 
> existing behavior).  It could break binaries, albeit potentially insecure 

Agreed - DOSemu type apps and lrmi need to map at zero for vm86
-
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ