A memory leak in the alloc_sgtable() function in drivers/net/wireless/intel/iwlwifi/fw/dbg.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering alloc_page() failures, aka CID-b4b814fec1a5. CREATE(Triage):(User=admin) CVE-2019-19058 (https://nvd.nist.gov/vuln/detail/CVE-2019-19058)