linux-kernel - Re: [PATCH] VM/Security: add security hook to do

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: <20071204164358.GA18050@devserv.devel.redhat.com>
Date:	Tue, 4 Dec 2007 11:43:58 -0500
From:	Alan Cox <alan@...hat.com>
To:	Eric Paris <eparis@...hat.com>
Cc:	linux-kernel@...r.kernel.org, jmorris@...ei.org, alan@...hat.com,
	chrisw@...hat.com, akpm@...ux-foundation.org,
	linux-security-module@...r.kernel.org, solar@...nwall.com,
	wtarreau@...a.kernel.org
Subject: Re: [PATCH] VM/Security: add security hook to do_brk

On Tue, Dec 04, 2007 at 11:06:55AM -0500, Eric Paris wrote:
> Given a specifically crafted binary do_brk() can be used to get low
> pages available in userspace virtually memory and can thus be used to
> circumvent the mmap_min_addr low memory protection.  Add security checks
> in do_brk().
> 
> Signed-off-by: Eric Paris <eparis@...hat.com>

ACK
--
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/