Kurt,
Maybe i'm missing something but it seems that during execution of the signal
handler, user mode stack contains kernel mode context...
Hence the security hole
Vadim
----- Original Message -----
From: "Kurt Roeckx" <[EMAIL PROTECTED]>
To: "Vadim Lebedev" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Tuesday, May 29, 2001 12:29 AM
Subject: Re: Potenitial security hole in the kernel
> On Mon, May 28, 2001 at 11:43:38PM +0200, Vadim Lebedev wrote:
> > Hi folks,
> >
> > Please correct me if i'm wrong but it seems to me that i've stumbled on
> > really BIG security hole in the signal handling code.
> > The problem IMO is that the signal handling code stores a processor
context
> > on the user-mode stack frame which is active while
>
> And how is that different from any other function call?
>
>
> Kurt
>
>
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