KisMAC before 0.05d trusts user-supplied variables to load arbitrary kernels or kernel modules, which allows local users to gain privileges via the $DRIVER_KEXT environment variable as used in (1) viha_driver.sh, (2) macjack_load.sh, or (3) airojack_load.sh, or (4) via "similar techniques" using exchangeKernel.sh.
https://exchange.xforce.ibmcloud.com/vulnerabilities/13008
https://exchange.xforce.ibmcloud.com/vulnerabilities/13007
http://www.securityfocus.com/bid/8497
http://www.atstake.com/research/advisories/2003/a082203-1.txt