xfrm: fix refcount leak in __xfrmpolicycheck()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.292 by commit 8f94b933103ee1bda119543369cc18a1be5536db, it was introduced in version v2.6.19 by commit 134b0fc544ba062498451611cb6f3e4454221b3d. For more details please see the references link.