Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Fri, 20 Aug 2010 13:32:22 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request - kernel: jfs: don't allow os2 xattr
 namespace overlap with others

Please use CVE-2010-2946

Thanks.

-- 
    JB


----- "Eugene Teo" <eugeneteo@...nel.sg> wrote:

> Upstream commit: aca0fa34bdaba39bfddddba8ca70dba4782e8fe6
> 
> Description from the commit: It's currently possible to bypass xattr 
> namespace access rules by prefixing valid xattr names with "os2.",
> since 
> the os2 namespace stores extended attributes in a legacy format with
> no 
> prefix.
> 
> This patch adds checking to deny access to any valid namespace prefix
> 
> following "os2.".
> 
> Thanks, Eugene
> -- 
> main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i);
> }

Powered by blists - more mailing lists

Your e-mail address:

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.