On Mon, Apr 12, 2021 at 01:05:09PM -0700, Kees Cook wrote:
> On Mon, Apr 12, 2021 at 10:00:16AM +0200, Peter Zijlstra wrote:
> > +struct vpr_data {
> > + int (*fn)(pte_t pte, unsigned long addr, void *data);
> > + void *data;
> > +};
>
> Eeerg. This is likely to become an attack target itself. Stored function
> pointer with stored (3rd) argument.
You got some further reading on that? How exactly are those exploited?
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