full-disclosure - linux procfs vulnerablity

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Message-ID: <43ACD5E6.5000202@utopiafoundation.org>
Date: Sat Dec 24 11:49:38 2005
From: karl at utopiafoundation.org (Karl Janmar)
Subject: linux procfs vulnerablity

The arch is x86 and I ignore the rest of your comments, maybe you have to think 
a little more?

- karl

coderman wrote:
> On 12/23/05, Karl Janmar <karl@...piafoundation.org> wrote:
> 
>>...
>>I have found one flaw in Linux procfs code that make the kernel disclose memory.
> 
> 
> i'd love to see you exploit this! rly!
> 
> 
> 
>>fs/proc/proc_misc.c:74
>>...
>>if (len <= off+count) *eof = 1;
>>...
>>off is a off_t and count is a int.
> 
> 
> what arch?  on intel assign a s32 to int? the sky is falling...