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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 <[email protected]>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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