Re: [PATCH] tools: hv: Netlink source address validation allows DoS

[Greg KH]

On Thu, Nov 08, 2012 at 10:53:29AM +0100, Tomas Hozza wrote:
> The source code without this patch caused hypervkvpd to exit when it processed
> a spoofed Netlink packet which has been sent from an untrusted local user.
> Now Netlink messages with a non-zero nl_pid source address are ignored
> and a warning is printed into the syslog.
> 
> Signed-off-by: Tomas Hozza <thozza@xxxxxxxxxx>
> Acked-by:  K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> ---
>  tools/hv/hv_kvp_daemon.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
> index 13c2a14..c1d9102 100755

Why are you setting a .c file to executable permissions?  Something is
really wrong here...

greg k-h
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