CVE-2020-14378: Canonical Ubuntu Linux

Low severity, CVSS 3.3. EPSS: 0.4% chance of exploitation in the next 30 days.

An integer underflow in dpdk versions before 18.11.10 and before 19.11.5 in the `move_desc` function can lead to large amounts of CPU cycles being eaten up in a long running loop. An attacker could cause `move_desc` to get stuck in a 4,294,967,295-count iteration loop. Depending on how `vhost_crypto` is being used this could prevent other VMs or network tasks from being serviced by the busy DPDK lcore for an extended period.

Affected products

• Canonical Ubuntu Linux: version 20.04 only
• Dpdk Data Plane Development Kit: from 18.02.1, before 18.11.10 (fixed in 18.11.10); from 19.02, before 19.11.5 (fixed in 19.11.5)
• Opensuse Leap: version 15.1 only; version 15.2 only

Published 2020-09-30. Last modified 2026-06-17.