A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e58c82fdeb advisory.

    Automatic update for cri-o1.36-1.36.3-1.fc45.

    ##### **Changelog**

    ```
    * Tue Aug  4 2026 Bradley G Smith <bradley.g.smith@gmail.com> - 1.36.3-1
    - Update to release v1.36.3
    - Resolves: rhbz#2510870
    - Resolves  CVE-2026-15809: rhbz#2500983
    - Upstream fixes

    ```

Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

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

  - A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by
    use of a specially crafted environment variable. (CVE-2022-4318)

The remote Redhat Enterprise Linux 8 / 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2023:1033 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 4.12.6. See the following     advisory for the container images for this release:

    https://access.redhat.com/errata/RHSA-2023:1034

    Security Fix(es):

    * cri-o: /etc/passwd tampering privesc (CVE-2022-4318)

    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 4.12 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/4.12/updating/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 this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2023:1503 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 4.11.34. See the     following advisory for the container images for this release:

    https://access.redhat.com/errata/RHSA-2023:1504

    Security Fix(es):

    * cri-o: /etc/passwd tampering privesc (CVE-2022-4318)

    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 4.11 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/4.11/updating/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 this issue 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-2023:1033 advisory.

  - cri-o: /etc/passwd tampering privesc (CVE-2022-4318)

Note that Nessus has not tested for this issue 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-2023:1503 advisory.

  - cri-o: /etc/passwd tampering privesc (CVE-2022-4318)

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

ID	Name	Product	Family	Type	Severity
331945	Fedora 45 : cri-o1.36 (2026-e58c82fdeb)	Nessus	Fedora Local Security Checks	Local	high
427150	Alpine: multiple cri-o packages: security update to 1.26.2-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	high
427150	Alpine: multiple cri-o packages: security update to 1.26.2-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	high
413968	SCA: security update for github.com/cri-o/cri-o (GHSA-cm9x-c3rh-7rc4)	Tenable Cloud Security	SCA Checks	Local	high
413968	SCA: security update for github.com/cri-o/cri-o (GHSA-cm9x-c3rh-7rc4)	Tenable Self-Hosted Container Security	SCA Checks	Local	high
194334	RHEL 8 / 9 : OpenShift Container Platform 4.12.6 (RHSA-2023:1033)	Nessus	Red Hat Local Security Checks	Local	high
193749	RHEL 8 : OpenShift Container Platform 4.11.34 (RHSA-2023:1503)	Nessus	Red Hat Local Security Checks	Local	high
189457	RHCOS 4 : OpenShift Container Platform 4.12.6 (RHSA-2023:1033)	Nessus	Red Hat Local Security Checks	Local	high
189440	RHCOS 4 : OpenShift Container Platform 4.11.34 (RHSA-2023:1503)	Nessus	Red Hat Local Security Checks	Local	high

Detections

Analytics

CVE-2022-4318

high

Tenable Plugins

high

high

high

high

high

high

high

high

high