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.
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
https://github.com/torvalds/linux/commit/b4b814fec1a5a849383f7b3886b654a13abbda7d
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4300-1/
Source: MITRE
Published: 2019-11-18
Updated: 2020-08-24
Type: CWE-401
Base Score: 4.7
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 4.7
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1
Severity: MEDIUM