In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Prevent null pointer dereference in nvmefciogetuuid() The nvmefcfcpop structure describing an AEN operation is initialized with a null request structure pointer. An FC LLDD may make a call to nvmefciogetuuid passing a pointer to an nvmefcfcp_req for an AEN operation. Add validation of the request structure pointer before dereference.