Re: [RFC] prevention of syscalls from writable segments, breakingbug exploits

[Nicolas Noble]

On Wed, 3 Jan 2001, Dan Aloni wrote:

> 
> This preliminary, small patch prevents execution of system calls which
> were executed from a writable segment. It was tested and seems to work,
> without breaking anything. It also reports of such calls by using printk.
> 

Hum,

Allow-me to give you this URL where you will be able to find a more
complete patch to do the very same thing. I don't tell you this will work
as you need but I think this is a good reason to abandon your project
since this patch really do the same (and adds others security features to
the kernel)

Here: http://www.openwall.com/linux/

Best regards.

  -- Nicolas Noble


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