XNU kernel UaF due to lack of locking in set_dp_control_port (CVE-2016-7644)

setdpcontrolport is a MIG method on the hostprivport so this bug is a root-kernel escalation. kernreturnt setdpcontrolport hostprivt hostpriv, ipcportt controlport if hostpriv == HOSTPRIVNULL return KERNINVALIDHOST; if IPVALIDdynamicpagercontrolport ipcportreleasesenddynamicpagercontrolport;...

CVE-2016-7644

CVE-2016-7644 is a race condition in XNU's set_dp_control_port() that can cause a Mach port to be over-released, enabling arbitrary code execution in a privileged context or a denial of service via use-after-free on affected Apple platforms. The Initial description covers iOS < 10.2, macOS &lt...

CVE-2016-7644

creationtimestamp| type| source ---|---|--- 2016-12-16 00:00:00+00:00| exploited| https://www.exploit-db.com/exploits/40931...