A flaw was found in CRI-O that involves an experimental annotation leading to a container being unconfined. This may allow a pod to specify and get any amount of memory/cpu, circumventing the kubernetes scheduler and potentially resulting in a denial of service in the node.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - A flaw was found in CRI-O that involves an experimental annotation leading to a container being
    unconfined. This may allow a pod to specify and get any amount of memory/cpu, circumventing the kubernetes
    scheduler and potentially resulting in a denial of service in the node. (CVE-2023-6476)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:0207 advisory.

  - cri-o: Pods are able to break out of resource confinement on cgroupv2 (CVE-2023-6476)

  - opentelemetry-go-contrib: DoS vulnerability in otelgrpc due to unbound cardinality metrics     (CVE-2023-47108)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:0195 advisory.

  - cri-o: Pods are able to break out of resource confinement on cgroupv2 (CVE-2023-6476)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 / 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:0195 advisory.

    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 RPM packages for Red Hat OpenShift Container Platform 4.13.29. See the     following advisory for the container images for this release:

    https://access.redhat.com/errata/RHSA-2024:0193

    Security Fix(es):

    * cri-o: Pods are able to break out of resource confinement on cgroupv2 (CVE-2023-6476)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 / 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:0207 advisory.

    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 RPM packages for Red Hat OpenShift Container Platform 4.14.9. See the following     advisory for the container images for this release:

    https://access.redhat.com/errata/RHSA-2024:0204

    Security Fix(es):

    * cri-o: Pods are able to break out of resource confinement on cgroupv2 (CVE-2023-6476)

    * opentelemetry-go-contrib: DoS vulnerability in otelgrpc due to unbound cardinality metrics     (CVE-2023-47108)

    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 4.14 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.openshift.com/container-platform/4.14/updating/updating_a_cluster/updating-cluster-cli.html

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
417282	SCA: security update for github.com/cri-o/cri-o (GHSA-p4rx-7wvg-fwrc)	Tenable Cloud Security	SCA Checks	high
417282	SCA: security update for github.com/cri-o/cri-o (GHSA-p4rx-7wvg-fwrc)	Tenable Self-Hosted Container Security	SCA Checks	high
189436	RHCOS 4 : OpenShift Container Platform 4.14.9 (RHSA-2024:0207)	Nessus	Red Hat Local Security Checks	high
189408	RHCOS 4 : OpenShift Container Platform 4.13.29 (RHSA-2024:0195)	Nessus	Red Hat Local Security Checks	high
189175	RHEL 8 / 9 : OpenShift Container Platform 4.13.29 (RHSA-2024:0195)	Nessus	Red Hat Local Security Checks	high
189173	RHEL 8 / 9 : OpenShift Container Platform 4.14.9 (RHSA-2024:0207)	Nessus	Red Hat Local Security Checks	high

Detections

Analytics

CVE-2023-6476

high

Tenable Plugins

high

high

high

high

high

high