RHSA-2026:66357 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.22.14 is now available with
updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container
Platform 4.22.

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.

Description

Red Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.

This advisory contains the container images for Red Hat OpenShift Container
Platform 4.22.14. See the following advisory for the RPM packages for this
release:

https://access.redhat.com/errata/RHSA-2026:66356

Space precludes documenting all of the container images in this advisory.
See the following Release Notes documentation, which will be updated
shortly for this release, for details about these changes:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.22/html/release_notes/

Security Fix(es):

• curl: curl: Insecure connection establishment due to TLS configuration

mismatch (CVE-2026-8286)

• curl: curl: Man-in-the-middle attack via SSH host key bypass

(CVE-2026-9547)

• bind: bind9: Cache poisoning via label count discrepancy, RRSIG,

wildcards (CVE-2026-11721)

• sqlite: SQLite: Arbitrary code execution and crash via heap-based buffer

overflow in FTS5 (CVE-2026-11824)

• bind: bind9: Unexpected exit with NSEC and NSEC3 both present

(CVE-2026-13204)

• dracut: dracut: root code execution via unescaped error message written

to sourced emergency hook script in die() (CVE-2026-15816)

• kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation

(CVE-2026-43133)

• unbound: Unbound: Denial of Service via malformed EDNS Report-Channel

option (CVE-2026-55973)

• glib: off-by-one error in glib/gkeyfile.c via

"g_key_file_get_locale_string_list" (CVE-2026-58014)

• glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via

keyring_lookup_entry and mechanism_client_data_receive (CVE-2026-58015)

• kbd: Local privilege escalation in openvt via incorrect process owner

verification allowing passwordless root login (CVE-2026-72693)

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.

All OpenShift Container Platform 4.22 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift CLI (oc)
or web console. Instructions for upgrading a cluster are available at
https://docs.redhat.com/en/documentation/openshift_container_platform/4.22/html-single/updating_clusters/index#updating-cluster-cli.

Solution

For OpenShift Container Platform 4.22 see the following documentation,
which will be updated shortly for this release, for important instructions
on how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.22/html/release_notes/

You may download the oc tool and use it to inspect release image metadata
for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests
may be found at
https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha values for the release are as follows:

(For x86_64 architecture)
The image digest is
sha256:e74e45ada5ab6325586e559ea69b7fd23bfe620af960bef33af19cadea8db7d2

(For s390x architecture)
The image digest is
sha256:347eda8880ab4c686d434f7c4283643e2dc24beb105921b056fbdb8bdd0846ac

(For ppc64le architecture)
The image digest is
sha256:307f108a7f85343b693cb29ddc34cf96e7d059c118b460af0e988e0b3f80c407

(For aarch64 architecture)
The image digest is
sha256:f15ec71d866b8cc0ee85d082f185822b418d002e76bea7bc2ae1cbff6e0abf56

All OpenShift Container Platform 4.22 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift CLI (oc)
or web console. Instructions for upgrading a cluster are available at
https://docs.redhat.com/en/documentation/openshift_container_platform/4.22/html-single/updating_clusters/index#updating-cluster-cli.

Affected Products

• Red Hat OpenShift Container Platform 4.22 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.22 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.22 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.22 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.22 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.22 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.22 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.22 for RHEL 8 aarch64

Fixes

• BZ - 2462115 - CVE-2026-72693 kbd: Local privilege escalation in openvt via incorrect process owner verification allowing passwordless root login
• BZ - 2467065 - CVE-2026-43133 kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation
• BZ - 2487269 - CVE-2026-11824 sqlite: SQLite: Arbitrary code execution and crash via heap-based buffer overflow in FTS5
• BZ - 2492255 - CVE-2026-58014 glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list"
• BZ - 2492256 - CVE-2026-58015 glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive
• BZ - 2496758 - CVE-2026-9547 curl: curl: Man-in-the-middle attack via SSH host key bypass
• BZ - 2496763 - CVE-2026-8286 curl: curl: Insecure connection establishment due to TLS configuration mismatch
• BZ - 2500889 - CVE-2026-15816 dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die()
• BZ - 2503075 - CVE-2026-55973 unbound: Unbound: Denial of Service via malformed EDNS Report-Channel option
• BZ - 2504338 - CVE-2026-11721 bind: bind9: Cache poisoning via label count discrepancy, RRSIG, wildcards
• BZ - 2504447 - CVE-2026-13204 bind: bind9: Unexpected exit with NSEC and NSEC3 both present

CVEs

• CVE-2026-8286
• CVE-2026-9547
• CVE-2026-11721
• CVE-2026-11824
• CVE-2026-13204
• CVE-2026-15816
• CVE-2026-43133
• CVE-2026-55973
• CVE-2026-58014
• CVE-2026-58015
• CVE-2026-72693

References

• https://access.redhat.com/security/updates/classification/#important