A memory leak in the ql_alloc_large_buffers() function in drivers/net/ethernet/qlogic/qla3xxx.c in the Linux kernel before 5.3.5 allows local users to cause a denial of service (memory consumption) by triggering pci_dma_mapping_error() failures, aka CID-1acb8f2a7a9f. CREATE(Triage):(User=admin) [CVE-2019-18806|https://nvd.nist.gov/vuln/detail/CVE-2019-18806]