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Red Hat Security Advisory

Synopsis:          Moderate: Release of OpenShift Serverless Client kn 1.19.0
Advisory ID:       RHSA-2021:4765-01
Product:           Red Hat OpenShift Serverless
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4765
Issue date:        2021-11-23
CVE Names:         CVE-2021-36221
====================================================================
1. Summary:

Release of OpenShift Serverless Client kn 1.19.0

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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:

Openshift Serverless 1 on RHEL 8Base - ppc64le, s390x, x86_64

3. Description:

Red Hat OpenShift Serverless Client kn 1.19.0 provides a CLI to interact
with Red Hat OpenShift Serverless 1.19.0. The kn CLI is delivered as an RPM
package for installation on RHEL platforms, and as binaries for non-Linux
platforms.

Security Fix(es):

* golang: net/http/httputil: panic due to racy read of persistConn after
handler panic (CVE-2021-36221)

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:

See the Red Hat OpenShift Container Platform 4.6 documentation at:
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless/index
See the Red Hat OpenShift Container Platform 4.7 documentation at:
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index
See the Red Hat OpenShift Container Platform 4.8 documentation at:
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.8/html/serverless/index
See the Red Hat OpenShift Container Platform 4.9 documentation at:
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.9/html/serverless/index

5. Bugs fixed (https://bugzilla.redhat.com/):

1995656 - CVE-2021-36221 golang: net/http/httputil: panic due to racy read of persistConn after handler panic
2016255 - Release of Openshift Serverless Client 1.19.0

6. Package List:

Openshift Serverless 1 on RHEL 8Base:

Source:
openshift-serverless-clients-0.25.1-1.el8.src.rpm

ppc64le:
openshift-serverless-clients-0.25.1-1.el8.ppc64le.rpm

s390x:
openshift-serverless-clients-0.25.1-1.el8.s390x.rpm

x86_64:
openshift-serverless-clients-0.25.1-1.el8.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-2021-36221
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless/index
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.8/html/serverless/index
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.9/html/serverless/index

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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