linux-kernel - Re: {2.6.22.y} CVE-2007-6434

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]

Date:	Mon, 4 Feb 2008 13:34:06 -0800
From:	Chris Wright <chrisw@...s-sol.org>
To:	Oliver Pinter <oliver.pntr@...il.com>
Cc:	stable@...nel.org, linux-kernel@...r.kernel.org,
	"chrisw@...s-sol.org" <chrisw@...s-sol.org>,
	Greg KH <gregkh@...e.de>, Willy Tarreau <w@....eu>,
	Adrian Bunk <bunk@...nel.org>, Nick Piggin <npiggin@...e.de>
Subject: Re: {2.6.22.y} CVE-2007-6434

* Oliver Pinter (oliver.pntr@...il.com) wrote:
> mainline: ecaf18c15aac8bb9bed7b7aa0e382fe252e275d5
> 
> --->8---
> commit ecaf18c15aac8bb9bed7b7aa0e382fe252e275d5
> Author: Eric Paris <eparis@...hat.com>
> Date:   Tue Dec 4 23:45:31 2007 -0800
> 
>     VM/Security: add security hook to do_brk
> 
>     Given a specifically crafted binary do_brk() can be used to get low pages
>     available in userspace virtual memory and can thus be used to circumvent
>     the mmap_min_addr low memory protection.  Add security checks in do_brk().

All of the low mmap addr stuff isn't added until 2.6.23.

thanks,
-chris
--
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/