Re: [Security] [PATCH] kernel: make /proc/kallsyms mode 400 to reduceease of attacking

From: Eugene Teo
Date: Thu Nov 04 2010 - 20:11:57 EST


On Thu, Nov 4, 2010 at 6:11 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> On 11/04/2010 11:09 AM, Marcus Meissner wrote:
>> Making /proc/kallsyms readable only for root makes it harder
>> for attackers to write generic kernel exploits by removing
>> one source of knowledge where things are in the kernel.
>>
>> Signed-off-by: Marcus Meissner <meissner@xxxxxxx>
>
> I can't recall needing /proc/kallsyms when I wasn't root, so unless
> there's a compelling use case.
>
> Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Looks good to me too.

Acked-by: Eugene Teo <eugeneteo@xxxxxxxxxx>

Eugene
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