4 - RHSA-2019:0487

Problem Description:

An update for docker is now available for Red Hat Enterprise Linux 7 Extras.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux 7 Extras - aarch64, ppc64le, s390x, x86_64

3. Description:

Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that runs virtually anywhere.

Security Fix(es):

* docker: Memory exhaustion via large integer used with --cpuset-mems or - --cpuset-cpus (CVE-2018-20699)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

* docker runc 'panic: runtime error: invalid memory address or nil pointer dereference' (BZ#1556901)

* temp files in /var/lib/docker persist (BZ#1645591)

* Docker needs to support PIDs Limit for all containers created. (BZ#1660876)

* dockerd may leak memory resources if uncompressing a layer fails (BZ#1661443)

* Docker may not properly close hijacked streams (BZ#1668042)

* Director deployed OCP 3.11 deployment fails with openshift-ansible getting stuck when restarting docker service on master nodes (BZ#1671861)

* Docker service hang (BZ#1678096)

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1645591 - temp files in /var/lib/docker persist 1660876 - Docker needs to support PIDs Limit for all containers created. 1661443 - dockerd may leak memory resources if uncompressing a layer fails 1666565 - CVE-2018-20699 docker: Memory exhaustion via large integer used with --cpuset-mems or --cpuset-cpus 1668042 - Docker may not properly close hijacked streams 1671861 - Director deployed OCP 3.11 deployment fails with openshift-ansible getting stuck when restarting docker service on master nodes 1678096 - Docker service hang