USN-4189-2: DPDK regression

25 November 2019

dpdk regression

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 19.10
  • Ubuntu 19.04
  • Ubuntu 18.04 LTS


USN-4189-1 introduced a regression in DPDK.

Software Description

  • dpdk - set of libraries for fast packet processing


USN-4189-1 fixed a vulnerability in DPDK. The new version introduced a regression in certain environments. This update fixes the problem.

Original advisory details:

Jason Wang discovered that DPDK incorrectly handled certain messages. An attacker in a malicious container could possibly use this issue to cause DPDK to leak resources, resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10
dpdk - 18.11.5-0ubuntu0.19.10.1
Ubuntu 19.04
dpdk - 18.11.5-0ubuntu0.19.04.1
Ubuntu 18.04 LTS
dpdk - 17.11.9-0ubuntu18.04.1

To update your system, please follow these instructions:

This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.