Moderate: Release of OpenShift Serverless Client kn 1.21.0

Topic

Release of OpenShift Serverless Client kn 1.21.0

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.

Description

Red Hat OpenShift Serverless Client kn 1.21.0 provides a CLI to interact with Red Hat OpenShift Serverless 1.21.0. 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: syscall: don't close fd 0 on ForkExec error (CVE-2021-44717)
• golang: net/http: limit growth of header canonicalization cache (CVE-2021-44716)

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.

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 See the Red Hat OpenShift Container Platform 4.10 documentation at:
https://access.redhat.com/documentation/en-us/openshift_container_platform/4.10/html/serverless/index

Affected Products

• Red Hat Openshift Serverless 1 x86_64
• Red Hat OpenShift Serverless for IBM Power, little endian 1 ppc64le
• Red Hat OpenShift Serverless for IBM Z and LinuxONE 1 s390x

Fixes

• BZ - 2030801 - CVE-2021-44716 golang: net/http: limit growth of header canonicalization cache
• BZ - 2030806 - CVE-2021-44717 golang: syscall: don't close fd 0 on ForkExec error
• BZ - 2054716 - Release of Openshift Serverless Client 1.21.0

CVEs

• CVE-2021-44716
• CVE-2021-44717

References

• 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
• https://access.redhat.com/documentation/en-us/openshift_container_platform/4.10/html/serverless/index