Important: docker security update

Synopsis

Important: docker security update

Type/Severity

Security Advisory: Important

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 Important. 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: Ambient capability usage in containers (CVE-2016-8867)
  
• docker: Security regression of CVE-2019-5736 due to inclusion of vulnerable runc (CVE-2020-14298)
  
• docker: Security regression of CVE-2016-9962 due to inclusion of vulnerable runc (CVE-2020-14300)
  

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.

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

Fixes

• BZ - 1390163 - CVE-2016-8867 docker: Ambient capability usage in containers
• BZ - 1848239 - CVE-2020-14298 docker: Security regression of CVE-2019-5736 due to inclusion of vulnerable runc
• BZ - 1848829 - CVE-2020-14300 docker: Security regression of CVE-2016-9962 due to inclusion of vulnerable runc

CVEs

• CVE-2016-8867
• CVE-2020-14298
• CVE-2020-14300

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/security/vulnerabilities/runc-regression-docker-1.13.1-108