Messages in this thread | | | Date | Fri, 6 Jun 2003 16:44:42 -0700 | From | Mitchell Blank Jr <> | Subject | Re: [PATCH][ATM] use rtnl_{lock,unlock} during device operations (take 2) |
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Werner Almesberger wrote: > But yes, with a unified VCC table, it certainly makes sense to > add a hash to validate those pointers. I still think that using > pointers per se is a good idea, because they're naturally > unique numbers.
True... it's gross when you have 32-bit userland and a 64-bit kernel but we already dealt with that pain for sparc64.
> > the ATMSIGD_CTRL ioctl so at least there's no security hole but it's still > > damn gross (no offense, Werner :-) > > It could probably be used to leverage other security holes in > atmsigd.
Not really... since atmsigd runs as root it could just as easily open("/proc/kcore") and go to town.
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