Subject: Re: [PATCH v2] net: don't allow CAP_NET_ADMIN to load non-netdev kernel modules

From: Michael Tokarev <[email-masked]>
Date: Wed, 02 Mar 2011 10:15:08 +0300

02.03.2011 00:33, Vasiliy Kulikov wrote:
> Since a8f80e8ff94ecba629542d9b4b5f5a8ee3eb565c any process with
> CAP_NET_ADMIN may load any module from /lib/modules/.  This doesn't mean
> that CAP_NET_ADMIN is a superset of CAP_SYS_MODULE as modules are
> limited to /lib/modules/**.  However, CAP_NET_ADMIN capability shouldn't
> allow anybody load any module not related to networking.
> 
> This patch restricts an ability of autoloading modules to netdev modules
> with explicit aliases.  This fixes CVE-2011-1019.
[]
> Reference: https://lkml.org/lkml/2011/2/24/203
> 
> Signed-off-by: Vasiliy Kulikov <[email-masked]>

This looks much saner :)

Signed-off-by: Michael Tokarev <[email-masked]>

/mjt