qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 19/29] 9pfs: local: renameat: don't follow symli


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH 19/29] 9pfs: local: renameat: don't follow symlinks
Date: Thu, 23 Feb 2017 14:57:08 +0000
User-agent: Mutt/1.7.1 (2016-10-04)

On Mon, Feb 20, 2017 at 03:41:49PM +0100, Greg Kurz wrote:
> The local_renameat() callback is currently a wrapper around local_rename()
> which is vulnerable to symlink attacks.
> 
> This patch rewrites local_renameat() to have its own implementation, based
> on local_opendir_nofollow() and renameat().
> 
> This partly fixes CVE-2016-9602.
> 
> Signed-off-by: Greg Kurz <address@hidden>
> ---
>  hw/9pfs/9p-local.c |   71 
> ++++++++++++++++++++++++++++++++++++++++++++++------
>  1 file changed, 63 insertions(+), 8 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>

Attachment: signature.asc
Description: PGP signature


reply via email to

[Prev in Thread] Current Thread [Next in Thread]