CVE-2019-3874: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 1.8% chance of exploitation in the next 30 days.

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.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only; version 19.04 only
• Debian Debian Linux: version 8.0 only
• Linux Linux Kernel: from 3.10.1, up to and including 3.10.108; from 4.18.1, up to and including 4.18.20
• Netapp Active Iq Unified Manager For VMware Vsphere: from 9.5
• Netapp CN1610 Firmware: affected versions not specified
• Netapp Hci Management Node: affected versions not specified
• Netapp Snapprotect: affected versions not specified
• Netapp Solidfire: affected versions not specified
• Red Hat Enterprise Linux: version 7.0 only

Published 2019-03-25. Last modified 2026-06-17.