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Red Hat OpenStack 16.1 RHSA-2021:5071-01 Moderate DoS Risk Fix

red hat
Calendar Grey December 9, 2021
Dist Redhat Esm H88
A recent revision for python-eventlet is intended to mitigate a moderate security vulnerability in Red Hat OpenStack Platform 16.1. Further information available here.
An update for python-eventlet is now available for Red Hat OpenStack Platform 16.1 (Train)

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

Eventlet is a networking library written in Python. It achieves high scalability by using non-blocking io while at the same time retaining high programmer usability by using coroutines to make the non-blocking io operations appear blocking at the source code level.
Security Fix(es):
* improper handling of highly compressed data and memory allocation with excessive size allows DoS (CVE-2021-21419)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.

Topics%20covered

Topics Covered

security advisory security update moderate severity DoS risk Red Hat OpenStack Platform python-eventlet

References

https://access.redhat.com/security/cve/CVE-2021-21419 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat OpenStack Platform 16.1:
Source: python-eventlet-0.25.2-5.el8ost.1.src.rpm
noarch: python3-eventlet-0.25.2-5.el8ost.1.noarch.rpm
Red Hat OpenStack Platform 16.1:
Source: python-eventlet-0.25.2-5.el8ost.1.src.rpm
noarch: python3-eventlet-0.25.2-5.el8ost.1.noarch.rpm
Red Hat OpenStack Platform 16.1:
Source: python-eventlet-0.25.2-5.el8ost.1.src.rpm
noarch: python3-eventlet-0.25.2-5.el8ost.1.noarch.rpm
Red Hat OpenStack Platform 16.1:
Source: python-eventlet-0.25.2-5.el8ost.1.src.rpm
noarch: python3-eventlet-0.25.2-5.el8ost.1.noarch.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


Advisory ID: RHSA-2021:5071-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2021:5071
Issue date: 2021-12-09

Topic

An update for python-eventlet is now available for Red Hat OpenStackPlatform 16.1 (Train).Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update moderate severity DoS risk Red Hat OpenStack Platform python-eventlet

Relevant Releases Architectures

Red Hat OpenStack Platform 16.1 - noarch

Bugs Fixed

1958407 - CVE-2021-21419 python-eventlet: improper handling of highly compressed data and memory allocation with excessive size allows DoS

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