Synopsis
Moderate: docker security and bug fix update
Type/Severity
Security Advisory: Moderate
Topic
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 Moderate. 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.
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: symlink-exchange race attacks in docker cp (CVE-2018-15664)
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):
- slowness of system shutdown when containers are being stopped - dockerd is unable to communicate with rhel-push-plugin (BZ#1714032)
- journald Log() in dockerd causes nil pointer dereference when PutMessage() is called before reading msg.Source (BZ#1720363)
- regression: docker cp: Rel: can't make /..../a relative to a (BZ#1723491)
- Regression: docker cp: can no longer pull image files (BZ#1727488)
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
Affected Products
-
Red Hat Enterprise Linux Server 7 x86_64
-
Red Hat Enterprise Linux for IBM z Systems 7 s390x
-
Red Hat Enterprise Linux for Power, little endian 7 ppc64le
-
Red Hat Enterprise Linux for ARM 64 7 aarch64
-
Red Hat Enterprise Linux for Power 9 7 ppc64le
-
Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x
Fixes
- BZ - 1714722 - CVE-2018-15664 docker: symlink-exchange race attacks in docker cp
- BZ - 1723491 - regression: docker cp: Rel: can't make /..../a relative to a
CVEs
References
Vulmon