A runc security update has been released for Red Hat Enterprise Linux 7 to address an issue that can result in information leak/integrity manipulation.

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Red Hat Security Advisory

Synopsis: Moderate: runc security update
Advisory ID: RHSA-2020:0942-01
Product: Red Hat Enterprise Linux Extras
Advisory URL:   https://access.redhat.com/errata/RHSA-2020:0942
Issue date: 2020-03-23
CVE Names: CVE-2019-19921
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1. Summary:

An update for runc 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux 7 Extras - ppc64le, s390x, 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 leads to information
leak/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 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/):

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

6. Package List:

Red Hat Enterprise Linux 7 Extras:

Source:
runc-1.0.0-66.rc8.el7_7.src.rpm

ppc64le:
runc-1.0.0-66.rc8.el7_7.ppc64le.rpm
runc-debuginfo-1.0.0-66.rc8.el7_7.ppc64le.rpm

s390x:
runc-1.0.0-66.rc8.el7_7.s390x.rpm
runc-debuginfo-1.0.0-66.rc8.el7_7.s390x.rpm

x86_64:
runc-1.0.0-66.rc8.el7_7.x86_64.rpm
runc-debuginfo-1.0.0-66.rc8.el7_7.x86_64.rpm

Red Hat Enterprise Linux 7 Extras:

Source:
runc-1.0.0-66.rc8.el7_7.src.rpm

x86_64:
runc-1.0.0-66.rc8.el7_7.x86_64.rpm
runc-debuginfo-1.0.0-66.rc8.el7_7.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 . More contact
details at   https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.