FreeBSD : FreeBSD -- Incorrect argument validation in sysarch(2) (7b6a11b5-600a-11e6-a6c3-14dae9d210b8)

A special combination of sysarch2 arguments, specify a request to uninstall a set of descriptors from the LDT. The start descriptor is cleared and the number of descriptors are provided. Due to lack of sufficient bounds checking during argument validity verification, unbound zero'ing of the proce...