Re: There is an array-index-out-bounds bug in detach_capi_ctr in drivers/isdn/capi/kcapi.c

When I last touched the capi code, I tried to remove it all, but we then
left it in the kernel because the bluetooth cmtp code can still theoretically
use it.

May I ask how you managed to run into this? Did you find the bug through
inspection first and then produce it using cmtp, or did you actually use
cmtp?

I fuzz the bluez system and find a crash to analyze it and reproduce it.

If the only purpose of cmtp is now to be a target for exploits, then I
would suggest we consider removing both cmtp and capi for
good after backporting your fix to stable kernels. Obviously
if it turns out that someone actually uses cmtp and/or capi, we
should not remove it.

Yes, I think this should be feasible.

Regards
  butt3rflyh4ck.


-- 
Active Defense Lab of Venustech