Memory leak in the hwsim_new_radio_nl function in drivers/net/wireless/mac80211_hwsim.c in the Linux kernel through 4.15.9 allows local users to cause a denial of service (memory consumption) by triggering an out-of-array error case.
http://www.securityfocus.com/bid/103397
https://access.redhat.com/errata/RHSA-2019:2029
https://access.redhat.com/errata/RHSA-2019:2043
https://github.com/torvalds/linux/commit/0ddcff49b672239dda94d70d0fcf50317a9f4b51
https://usn.ubuntu.com/3676-1/
https://usn.ubuntu.com/3676-2/
https://usn.ubuntu.com/3677-1/
https://usn.ubuntu.com/3677-2/
https://usn.ubuntu.com/3678-1/
https://usn.ubuntu.com/3678-2/
https://usn.ubuntu.com/3678-3/
Source: MITRE
Published: 2018-03-13
Updated: 2019-10-03
Type: CWE-772
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM