RHSA-2019:1910 - Security Advisory

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

• CVE-2018-15664

References

• https://access.redhat.com/security/updates/classification/#moderate