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

[Michael Tokarev]

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 <segoon@xxxxxxxxxxxx>

This looks much saner :)

Signed-off-by: Michael Tokarev <mjt@xxxxxxxxxx>

/mjt
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