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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: OpenShift Container Platform 4.3.13 runc security update
Advisory ID:       RHSA-2020:1485-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1485
Issue date:        2020-04-20
CVE Names:         CVE-2019-19921 
=====================================================================

1. Summary:

An update for runc is now available for Red Hat OpenShift Container
Platform 4.3.

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.

2. Relevant releases/architectures:

Red Hat OpenShift Container Platform 4.3 - x86_64

3. Description:

The runC tool is a lightweight, portable implementation of the Open
Container Format (OCF) that provides container runtime.

Security Fix(es):

* runc: volume mount race condition with shared mounts led to information
leak and integrity manipulation (CVE-2019-19921)

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.

4. Solution:

For OpenShift Container Platform 4.3 see the following documentation, which
will be updated shortly for release 4.3.13, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.3/updating/updating-cluster
- -cli.html.

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

1796107 - CVE-2019-19921 runc: volume mount race condition with shared mounts leads to information leak/integrity manipulation

6. Package List:

Red Hat OpenShift Container Platform 4.3:

Source:
runc-1.0.0-66.rc10.rhaos4.3.el7_8.src.rpm

x86_64:
runc-1.0.0-66.rc10.rhaos4.3.el7_8.x86_64.rpm
runc-debuginfo-1.0.0-66.rc10.rhaos4.3.el7_8.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-19921
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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