[RHSA-2021:2144-01] Important: docker security update

[Security announcements for all Red Hat products and services.]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: docker security update
Advisory ID:       RHSA-2021:2144-01
Product:           Red Hat Enterprise Linux Extras
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2144
Issue date:        2021-05-31
CVE Names:         CVE-2021-30465 
=====================================================================

1. Summary:

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux 7 Extras - ppc64le, s390x, x86_64

3. 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):

* runc: vulnerable to symlink exchange attack (CVE-2021-30465)

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/):

1954736 - CVE-2021-30465 runc: vulnerable to symlink exchange attack

6. Package List:

Red Hat Enterprise Linux 7 Extras:

Source:
docker-1.13.1-206.git7d71120.el7_9.src.rpm

ppc64le:
docker-1.13.1-206.git7d71120.el7_9.ppc64le.rpm
docker-client-1.13.1-206.git7d71120.el7_9.ppc64le.rpm
docker-common-1.13.1-206.git7d71120.el7_9.ppc64le.rpm
docker-debuginfo-1.13.1-206.git7d71120.el7_9.ppc64le.rpm
docker-logrotate-1.13.1-206.git7d71120.el7_9.ppc64le.rpm
docker-lvm-plugin-1.13.1-206.git7d71120.el7_9.ppc64le.rpm
docker-novolume-plugin-1.13.1-206.git7d71120.el7_9.ppc64le.rpm
docker-rhel-push-plugin-1.13.1-206.git7d71120.el7_9.ppc64le.rpm
docker-v1.10-migrator-1.13.1-206.git7d71120.el7_9.ppc64le.rpm

s390x:
docker-1.13.1-206.git7d71120.el7_9.s390x.rpm
docker-client-1.13.1-206.git7d71120.el7_9.s390x.rpm
docker-common-1.13.1-206.git7d71120.el7_9.s390x.rpm
docker-debuginfo-1.13.1-206.git7d71120.el7_9.s390x.rpm
docker-logrotate-1.13.1-206.git7d71120.el7_9.s390x.rpm
docker-lvm-plugin-1.13.1-206.git7d71120.el7_9.s390x.rpm
docker-novolume-plugin-1.13.1-206.git7d71120.el7_9.s390x.rpm
docker-rhel-push-plugin-1.13.1-206.git7d71120.el7_9.s390x.rpm
docker-v1.10-migrator-1.13.1-206.git7d71120.el7_9.s390x.rpm

x86_64:
docker-1.13.1-206.git7d71120.el7_9.x86_64.rpm
docker-client-1.13.1-206.git7d71120.el7_9.x86_64.rpm
docker-common-1.13.1-206.git7d71120.el7_9.x86_64.rpm
docker-debuginfo-1.13.1-206.git7d71120.el7_9.x86_64.rpm
docker-logrotate-1.13.1-206.git7d71120.el7_9.x86_64.rpm
docker-lvm-plugin-1.13.1-206.git7d71120.el7_9.x86_64.rpm
docker-novolume-plugin-1.13.1-206.git7d71120.el7_9.x86_64.rpm
docker-rhel-push-plugin-1.13.1-206.git7d71120.el7_9.x86_64.rpm
docker-v1.10-migrator-1.13.1-206.git7d71120.el7_9.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-2021-30465
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/RHSB-2021-004

8. Contact:

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

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iQIVAwUBYLSVOtzjgjWX9erEAQibrw/+Lbpvy+auIcDDpIGoj3+rHnczaFB+qlwb
9/CAT1ULChoAmoeUVQqTBLIOm6pfbC8YMGKRLg5CVfzJDN96e8jO9mpa9GHRL9L2
knLDAGniZhQX1dYBg6xqlSRNDNLnq5j9gDwuQD4q4MvU4n6wR0Y4eeDefDDeRnYM
ECa+qgKSDrb6JCDXQTUYvbb4Bd4UBjDtfyazs4d08OP7Mk/+UYtE2MJQ0k+mE8CL
f2vZrQC4sI2kY1vuKDHXlk1EbXzPxRiGhT4GPhQpuRerBYhmbJ9dQHztTAWEBXks
cvYl+2ORiCgLxXHcGw3BUf0Hz6Ds4aDqaIuBrcrBYbJS2b7ZeqJ+3cUuXBgc/tKK
R3moxza1QnxMenvlwOH9dkEAFOcYyMcCOK00ut1++uaaJm4kpZCihbzgl5aaXz8R
ufb8vjTkUjRgND3JHn3/ybcjnaTUk4/PPE4pWo1WnuHlt7L2ktkbog25jqN3r0Au
NgCEUmt9YVhPwUq8X+JUFF+5YTBUDDBA5rYUwcIJxVpT5aoOqGtWddhl+tCuUaNP
87S5pGo4tOE2ilh2W01DwlGW+21Z0bA9jf2nV3btspAWZ87KyzEH992rvrjC2kqg
KsEJCXcb4G83mEy3SAxxYMtJkWdBUMlY3Uk9dN0eELZQoqkzbBUVU1ACvi3SFCDO
NX4VgOkMqC8=
=dzaU
-----END PGP SIGNATURE-----