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Red Hat Enterprise Linux 7: RHSA-2021:2144-01 Critical Security Update

red hat
Calendar Grey May 31, 2021
Dist Redhat Esm H88
Essential docker patch for Red Hat Enterprise Linux 7 tackles significant security vulnerability. Prompt response advised.
An update for docker is now available for Red Hat Enterprise Linux 7 Extras

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

Summary

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.

Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Linux symlink attack critical fix docker

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

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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

An update for docker is now available for Red Hat Enterprise Linux 7Extras.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Linux symlink attack critical fix docker

Relevant Releases Architectures

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

Bugs Fixed

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

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