kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS

A flaw was found in the Linux kernel, prior to version 5.0.7, in drivers/scsi/megaraid/megaraidsasbase.c, where a NULL pointer dereference can occur when megasascreateframepool fails in megasasalloccmds. An attacker can crash the system if they were able to load the megaraidsas kernel module and...