FAQ Search Today's Posts Mark Forums Read
» Video Reviews

» Linux Archive

Linux-archive is a website aiming to archive linux email lists and to make them easily accessible for linux users/developers.


» Sponsor

» Partners

» Sponsor

Go Back   Linux Archive > Ubuntu > Ubuntu Kernel Team

 
 
LinkBack Thread Tools
 
Old 11-24-2011, 05:47 PM
Herton Ronaldo Krzesinski
 
Default Ack: hfs: add sanity check for file name length

On Thu, Nov 24, 2011 at 05:50:54PM +0000, Andy Whitcroft wrote:
> From: Dan Carpenter <dan.carpenter@oracle.com>
>
> On a corrupted file system the ->len field could be wrong leading to
> a buffer overflow.
>
> Reported-and-acked-by: Clement LECIGNE <clement.lecigne@netasq.com>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> Cc: stable@kernel.org
> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
>
> (cherry picked from commit bc5b8a9003132ae44559edd63a1623b7b99dfb68)
> CVE-2011-4330
> BugLink: http://bugs.launchpad.net/bugs/894374
> Signed-off-by: Andy Whitcroft <apw@canonical.com>
> ---
> fs/hfs/trans.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/fs/hfs/trans.c b/fs/hfs/trans.c
> index e673a88..b1ce4c7 100644
> --- a/fs/hfs/trans.c
> +++ b/fs/hfs/trans.c
> @@ -40,6 +40,8 @@ int hfs_mac2asc(struct super_block *sb, char *out, const struct hfs_name *in)
>
> src = in->name;
> srclen = in->len;
> + if (srclen > HFS_NAMELEN)
> + srclen = HFS_NAMELEN;
> dst = out;
> dstlen = HFS_MAX_NAMELEN;
> if (nls_io) {
> --
> 1.7.5.4
>
>
> --
> kernel-team mailing list
> kernel-team@lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>

--
kernel-team mailing list
kernel-team@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/kernel-team
 

Thread Tools




All times are GMT. The time now is 12:53 AM.

VBulletin, Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO ©2007, Crawlability, Inc.
Copyright 2007 - 2008, www.linux-archive.org