rhsa-2024_10841
Vulnerability from csaf_redhat
Published
2024-12-12 02:13
Modified
2024-12-17 20:49
Summary
Red Hat Security Advisory: OpenShift Container Platform 4.15.40 security update

Notes

Topic
Red Hat build of MicroShift release 4.15.40 is now available with updates to packages and images that fix several bugs and add enhancements. 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.
Details
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Red Hat build of MicroShift is Red Hat's light-weight Kubernetes orchestration solution designed for edge device deployments and is built from the edge capabilities of Red Hat OpenShift Container Platform. MicroShift is an application that is deployed on top of Red Hat Enterprise Linux devices at the edge, providing an efficient way to operate single-node clusters in these low-resource environments. This advisory contains the RPM packages for Red Hat build of MicroShift 4.15.40. Read the following advisory for the container images for this release: https://access.redhat.com/errata/RHSA-2024:10839 All Red Hat build of MicroShift 4.15 users are advised to use these updated packages and images when they are available in the RPM repository. Security Fix(es): * runc: file descriptor leak (CVE-2024-21626) 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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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        "text": "Red Hat build of MicroShift release 4.15.40 is now available with\nupdates to packages and images that fix several bugs and add enhancements.\n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section.",
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        "text": "Red Hat OpenShift Container Platform is Red Hat\u0027s cloud computing\nKubernetes application platform solution designed for on-premise or private\ncloud deployments.\n\nRed Hat build of MicroShift is Red Hat\u0027s light-weight Kubernetes\norchestration solution designed for edge device deployments and is built\nfrom the edge capabilities of Red Hat OpenShift Container Platform.\nMicroShift is an application that is deployed on top of Red Hat Enterprise\nLinux devices at the edge, providing an efficient way to operate\nsingle-node clusters in these low-resource environments.\n\nThis advisory contains the RPM packages for Red Hat build of MicroShift\n4.15.40. Read the following advisory for the container images for this\nrelease:\n\nhttps://access.redhat.com/errata/RHSA-2024:10839\n\nAll Red Hat build of MicroShift 4.15 users are advised to use these updated\npackages and images when they are available in the RPM repository.\n\nSecurity Fix(es):\n\n* runc: file descriptor leak (CVE-2024-21626)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section.",
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      "discovery_date": "2024-01-17T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2258725"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A file descriptor leak issue was found in the runc package. While a user performs `O_CLOEXEC` all file descriptors before executing the container code, the file descriptor is open when performing `setcwd(2)`, which means that the reference can be kept alive in the container by configuring the working directory to be a path resolved through the file descriptor. The non-dumpable bit is unset after `execve`, meaning there are multiple ways to attack this other than bad configurations. The only way to defend against it entirely is to close all unneeded file descriptors.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "runc: file descriptor leak",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "These vulnerabilities not only enable malicious actors to escape containerized environments but also allow for full control over the underlying host system. With the widespread adoption of containerization technologies in both development and production environments, such exploits pose significant risks to data integrity, confidentiality, and system stability.\n\nOpenShift Container Platform ships with SELinux in targeted enforcing mode, which prevents the container processes from accessing host content and mitigates this attack, and disabling SELinux on the Openshift container platform is not supported. Hence, the impact of the Openshift Container Platform is reduced to Moderate.\n\nFor multicluster-engine (MCE) vulnerable versions of buildkit and runc are part of installed version of oc. However, they are not affecting the higher-level assisted-installer binary in MCE. The presence of these dependencies in the container does not imply a security risk to the containerized application itself, as it is based on low-level packages included in the oc binary, and the impact to the container\u0027s core functionality is minimal.\n\nThis flaw doesn\u0027t affect the OpenShift Tools \u0026 Services as the affected code is only used for testing and is not exposed to the final user.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
          "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.src",
          "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
          "9Base-RHOSE-4.15:microshift-greenboot-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
          "9Base-RHOSE-4.15:microshift-networking-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
          "9Base-RHOSE-4.15:microshift-networking-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
          "9Base-RHOSE-4.15:microshift-olm-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
          "9Base-RHOSE-4.15:microshift-olm-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
          "9Base-RHOSE-4.15:microshift-olm-release-info-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
          "9Base-RHOSE-4.15:microshift-release-info-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
          "9Base-RHOSE-4.15:microshift-selinux-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-21626"
        },
        {
          "category": "external",
          "summary": "RHBZ#2258725",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258725"
        },
        {
          "category": "external",
          "summary": "RHSB-2024-001",
          "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2024-001"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-21626",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-21626"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-21626",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-21626"
        },
        {
          "category": "external",
          "summary": "https://github.com/opencontainers/runc/security/advisories/GHSA-xr7r-f8xq-vfvv",
          "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-xr7r-f8xq-vfvv"
        }
      ],
      "release_date": "2024-01-31T20:01:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-12-12T02:13:58+00:00",
          "details": "For MicroShift 4.15, read the following documentation, which will be updated shortly for this release, for important instructions on how to install the latest RPMs and fully apply this asynchronous errata update:\n\nhttps://access.redhat.com/documentation/en-us/red_hat_build_of_microshift/4.15/html/release_notes/index",
          "product_ids": [
            "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.src",
            "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
            "9Base-RHOSE-4.15:microshift-greenboot-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
            "9Base-RHOSE-4.15:microshift-networking-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-networking-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
            "9Base-RHOSE-4.15:microshift-olm-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-olm-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
            "9Base-RHOSE-4.15:microshift-olm-release-info-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
            "9Base-RHOSE-4.15:microshift-release-info-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
            "9Base-RHOSE-4.15:microshift-selinux-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:10841"
        },
        {
          "category": "workaround",
          "details": "Red Hat Enterprise Linux (RHEL) and OpenShift ships with SELinux in targeted enforcing mode, which prevents the container processes from accessing host content and mitigates this attack. Dockerfiles can be inspected on the \u0027RUN\u0027\u00a0and \u0027WORKDIR\u0027 directives to ensure that there are no escapes or malicious paths, which are an indication of compromise. Limiting access and only using trusted container images can help prevent unauthorized access and malicious attacks.",
          "product_ids": [
            "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.src",
            "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
            "9Base-RHOSE-4.15:microshift-greenboot-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
            "9Base-RHOSE-4.15:microshift-networking-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-networking-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
            "9Base-RHOSE-4.15:microshift-olm-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-olm-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
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            "9Base-RHOSE-4.15:microshift-release-info-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
            "9Base-RHOSE-4.15:microshift-selinux-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.src",
            "9Base-RHOSE-4.15:microshift-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
            "9Base-RHOSE-4.15:microshift-greenboot-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
            "9Base-RHOSE-4.15:microshift-networking-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-networking-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
            "9Base-RHOSE-4.15:microshift-olm-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-olm-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.x86_64",
            "9Base-RHOSE-4.15:microshift-olm-release-info-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
            "9Base-RHOSE-4.15:microshift-release-info-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch",
            "9Base-RHOSE-4.15:microshift-selinux-0:4.15.41-202412091343.p0.gcf9680e.assembly.4.15.41.el9.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "runc: file descriptor leak"
    }
  ]
}


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