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

Synopsis:          Important: Red Hat OpenStack Platform 16.2 (etcd) security update
Advisory ID:       RHSA-2022:0237-01
Product:           Red Hat OpenStack Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:0237
Issue date:        2022-01-24
CVE Names:         CVE-2021-29923 CVE-2021-34558 CVE-2021-44716 
=====================================================================

1. Summary:

An update for etcd is now available for Red Hat OpenStack Platform 16.2
(Train).

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 OpenStack Platform 16.2 - ppc64le, x86_64

3. Description:

A highly-available key value store for shared configuration

Security Fix(es):

* net/https: limit growth of header canonicalization cache (CVE-2021-44716)

* net: incorrect parsing of extraneous zero characters at the beginning of
an IP address octet (CVE-2021-29923)

* crypto/tls: certificate of wrong type is causing TLS client to panic
(CVE-2021-34558)

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.

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/):

1983596 - CVE-2021-34558 golang: crypto/tls: certificate of wrong type is causing TLS client to panic
1992006 - CVE-2021-29923 golang: net: incorrect parsing of extraneous zero characters at the beginning of an IP address octet
2030801 - CVE-2021-44716 golang: net/https: limit growth of header canonicalization cache

6. Package List:

Red Hat OpenStack Platform 16.2:

Source:
etcd-3.3.23-7.el8ost.src.rpm

ppc64le:
etcd-3.3.23-7.el8ost.ppc64le.rpm
etcd-debuginfo-3.3.23-7.el8ost.ppc64le.rpm
etcd-debugsource-3.3.23-7.el8ost.ppc64le.rpm

x86_64:
etcd-3.3.23-7.el8ost.x86_64.rpm
etcd-debuginfo-3.3.23-7.el8ost.x86_64.rpm
etcd-debugsource-3.3.23-7.el8ost.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-2021-29923
https://access.redhat.com/security/cve/CVE-2021-34558
https://access.redhat.com/security/cve/CVE-2021-44716
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2022 Red Hat, Inc.
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