In the Linux kernel before 5.1, there is a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1
http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
https://usn.ubuntu.com/4285-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4286-2/
https://usn.ubuntu.com/4287-2/
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://usn.ubuntu.com/4286-1/
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Source: MITRE
Published: 2019-12-30
Updated: 2023-01-20
Type: CWE-401
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:3.1/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