Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Fri, 11 Nov 2011 21:36:44 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE Request -- kernel: nfs4_getfacl decoding kernel
 oops

On 11/11/2011 09:48 AM, Petr Matousek wrote:
> "nfs4_getfacl decoding causes a kernel Oops when a server returns more
> than 2 GETATTR bitmap words in response to the FATTR4_ACL attribute
> request.
>
> While the NFS client only asks for one attribute (FATTR4_ACL) in the
> first bitmap word, the NFSv4 protocol allows for the server to return
> unbounded bitmaps (more than two)."
>
> Upstream commit:
> e5012d1f3861d18c7f3814e757c1c3ab3741dbcd - incomplete, handles only the
> case when 2 words are expected and 3 are returned
>
> Proposed complete upstream patch:
> http://www.spinics.net/lists/linux-nfs/msg25288.html
>
> Reference:
> https://bugzilla.redhat.com/show_bug.cgi?id=747106
>
> Credit: Andy Adamson
>
> Thanks,
Please use CVE-2011-4132 for this issue.

-- 

-Kurt Seifried / Red Hat Security Response Team

Powered by blists - more mailing lists

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.