Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.1855
docker security update
1 June 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: docker
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-30465
Reference: ESB-2021.1823
ESB-2021.1792
ESB-2021.1767
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:2144
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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@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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