In the Linux kernel before 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails. This will cause a BUG and denial of service. CREATE(Triage):(User=admin) CVE-2019-15807 (https://nvd.nist.gov/vuln/detail/CVE-2019-15807)