Re: [ 008/102] ARM: make vectors page inaccessible from userspace

From: Stefan Lippers-Hollmann
Date: Fri Aug 09 2013 - 00:29:33 EST


On Friday 09 August 2013, Greg Kroah-Hartman wrote:
> 3.10-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
>
> commit a5463cd3435475386cbbe7b06e01292ac169d36f upstream.
>
> If kuser helpers are not provided by the kernel, disable user access to
> the vectors page. With the kuser helpers gone, there is no reason for
> this page to be visible to userspace.
>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>


If I read Russell King's response in

http://www.spinics.net/lists/stable/msg16792.html
Message-ID: <20130804105241.GG23006@xxxxxxxxxxxxxxxxxxxxxx>

correctly, this patch might not be wanted for -stable; this only
affects queue-3.10 at the moment.

Regards
Stefan Lippers-Hollmann
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/