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Message-ID: <CAFLxGvxSBV9yF2AjXR5A3e-yLDXqMpS+GUFip1JhtzUc5Q0org@mail.gmail.com>
Date: Sun, 30 Oct 2011 18:09:40 +0100
From: richard -rw- weinberger <richard.weinberger@...il.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: Vasiliy Kulikov <segoon@...nwall.com>, linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com,
Andrew Morton <akpm@...ux-foundation.org>, Greg Kroah-Hartman <gregkh@...e.de>,
"David S. Miller" <davem@...emloft.net>
Subject: Re: [RFC 0/5 v4] procfs: introduce hidepid=, hidenet=, gid= mount options
On Thu, Jun 16, 2011 at 12:40 PM, Arnd Bergmann <arnd@...db.de> wrote:
> On Thursday 16 June 2011, Vasiliy Kulikov wrote:
>> > I have no opinion on whether it's a good idea to include the feature or not.
>>
>> Why not? Have you some specific complains where it can be perhaps too
>> strong/insufficient/non-configurable?
>
> No, not at all. I just haven't had the need for this myself, and I'm not
> enough of a security person to judge whether the vulnerability addressed
> by the patch is a relevant one. E.g. if all the sensitive information
> you are hiding in procfs is still available through netlink, your patch
> is pointless. Similarly if there is no recorded case of an attack that
> relies on any of the information in procfs.
>
Is this interface somewhere documented?
IOW how is it possible to get all processes via netlink?
--
Thanks,
//richard
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