The kernel address is used as cookie to keep track
of stats request. This address can be disclosed to
target leading to a security vulnerability.
Implement a FW stats descriptor pool, and use a
descriptor ID to keep track of stats requests,
instead of the kernel address, to prevent
kernel address leak.
Change-Id: Ib49150da899c0b9314f614868a90867f4aa92d3d
CRs-Fixed: 2246110