The SCTP socket buffer used by a userspace application is not accounted by the cgroups subsystem. An attacker can use this flaw to cause a denial of service attack. Kernel 3.10.x and 4.18.x branches are believed to be vulnerable.
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3874
https://security.netapp.com/advisory/ntap-20190411-0003/
https://usn.ubuntu.com/3981-1/
https://usn.ubuntu.com/3980-1/
https://usn.ubuntu.com/3979-1/
https://usn.ubuntu.com/3982-2/
https://usn.ubuntu.com/3982-1/
https://usn.ubuntu.com/3980-2/
https://usn.ubuntu.com/3981-2/
https://access.redhat.com/errata/RHSA-2019:3517
https://access.redhat.com/errata/RHSA-2019:3309
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
Source: MITRE
Published: 2019-03-25
Updated: 2023-02-12
Type: CWE-400
Base Score: 3.3
Vector: AV:A/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 6.5
Severity: LOW
Base Score: 6.5
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM