The ims_pcu_get_cdc_union_desc function in drivers/input/misc/ims-pcu.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (ims_pcu_parse_cdc_data out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device.
http://www.securityfocus.com/bid/101768
https://github.com/torvalds/linux/commit/ea04efee7635c9120d015dcdeeeb6988130cb67a
https://groups.google.com/d/msg/syzkaller/q6jjr1OhqO8/WcA99AVFBAAJ
https://usn.ubuntu.com/3617-1/
https://usn.ubuntu.com/3617-2/
https://usn.ubuntu.com/3617-3/
https://usn.ubuntu.com/3619-1/
Source: MITRE
Published: 2017-11-07
Updated: 2018-08-24
Type: CWE-125
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
Base Score: 6.6
Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 0.7
Severity: MEDIUM