linux-kernel - Re: [PATCH] Kconfig: Make config Filter access to /dev/mem default y

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Message-ID: <20100415063626.GG21894@myhost.felk.cvut.cz>
Date:	Thu, 15 Apr 2010 08:36:26 +0200
From:	Michal Svoboda <michal.svoboda@...nts.felk.cvut.cz>
To:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Kconfig: Make config Filter access to /dev/mem default
 y

Xiaotian Feng wrote:
> Have you ever successfully attack by this way? If CONFIG_STRICT_DEVMEM
> is not set, the /dev/mem access is filtered in pat code.

If that option doesn't add any protection, what's it good for?

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