linux-kernel - Re: patch 0022-CIFS-Fix-memory-overwrite-when-saving-nativeFileSys.patch added to 2.6.27-stable tree

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Message-ID: <49EC06D1.7030208@redhat.com>
Date:	Mon, 20 Apr 2009 13:23:29 +0800
From:	Eugene Teo <eugene@...hat.com>
To:	linux-kernel@...r.kernel.org
CC:	sfrench@...ibm.com, chrisw@...s-sol.org, shirishp@...ibm.com,
	stable@...nel.org, vinaysridhar@...ibm.com,
	stable-commits@...r.kernel.org, Jeffrey Layton <jlayton@...hat.com>
Subject: Re: patch 0022-CIFS-Fix-memory-overwrite-when-saving-nativeFileSys.patch
 added to 2.6.27-stable tree

gregkh@...e.de wrote:
[...]
> From 15bd8021d870d2c4fbf8c16578d72d03cfddd3a7 Mon Sep 17 00:00:00 2001
> From: Steve French <sfrench@...ibm.com>
> Date: Thu, 26 Mar 2009 23:05:15 +0000
> Subject: CIFS: Fix memory overwrite when saving nativeFileSystem field during mount
> 
> upstream commit: b363b3304bcf68c4541683b2eff70b29f0446a5b
> 
> CIFS can allocate a few bytes to little for the nativeFileSystem field
> during tree connect response processing during mount.  This can result
> in a "Redzone overwritten" message to be logged.

The same for 2.6.28-stable tree.

On top of commit b363b330, we need:
f083def6 - cifs: fix buffer size for tcon->nativeFileSystem field
22c9d52b - cifs: remove unnedded bcc_ptr update in CIFSTCon
and maybe this too:
313fecfa - cifs: add cFYI messages with some of the saved strings from
ssetup/tcon

There is no CVE name for this yet. Still waiting.

Thanks, Eugene
--
Eugene Teo / Red Hat Security Response Team
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