Joyent SmartOS SMBIOC_TREE_RELE elevation of privilege vulnerability

Joyent SmartOS is a set of open source operating system from Joyent, USA. A security vulnerability exists in the SMBIOCTREERELE ioctl in Joyent SmartOS release-20170803-20170803T064301Z, which stems from a program's failure to detect the existence of an object before performing an operation on it...