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      "text" : "Moderate"
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      "text" : "Copyright © Red Hat, Inc. All rights reserved.",
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      "category" : "summary",
      "text" : "Red Hat OpenShift Container Platform release 4.19.27 is now available with\nupdates to packages and images that fix several bugs and add enhancements.\n\n This release includes a security update for Red Hat OpenShift Container\nPlatform 4.19.\n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section.",
      "title" : "Topic"
    }, {
      "category" : "general",
      "text" : "Red Hat OpenShift Container Platform is Red Hat's cloud computing\nKubernetes application platform solution designed for on-premise or private\ncloud deployments.\n\nThis advisory contains the container images for Red Hat OpenShift Container\nPlatform 4.19.27. See the following advisory for the RPM packages for this\nrelease:\n\nhttps://access.redhat.com/errata/RHSA-2026:5876\n\nSpace precludes documenting all of the container images in this advisory.\nSee the following Release Notes documentation, which will be updated\nshortly for this release, for details about these changes:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/\n\nSecurity Fix(es):\n\n* nfs-utils: rpc.mountd in the nfs-utils privilege escalation\n(CVE-2025-12801)\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.\n\nAll OpenShift Container Platform 4.19 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.",
      "title" : "Details"
    }, {
      "category" : "legal_disclaimer",
      "text" : "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.",
      "title" : "Terms of Use"
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      "summary" : "https://access.redhat.com/errata/RHSA-2026:5877",
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      "summary" : "2413081",
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    }, {
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      "summary" : "Canonical URL",
      "url" : "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_5877.json"
    } ],
    "title" : "Red Hat Security Advisory: OpenShift Container Platform 4.19.27 bug fix and security update",
    "tracking" : {
      "current_release_date" : "2026-04-02T16:39:26+00:00",
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      "id" : "RHSA-2026:5877",
      "initial_release_date" : "2026-04-01T10:06:58+00:00",
      "revision_history" : [ {
        "date" : "2026-04-01T10:06:58+00:00",
        "number" : "1",
        "summary" : "Initial version"
      }, {
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        "number" : "2",
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      "status" : "final",
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              "cpe" : "cpe:/a:redhat:openshift:4.19::el9"
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        "name" : "x86_64"
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      "category" : "vendor",
      "name" : "Red Hat"
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    "relationships" : [ {
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      "full_product_name" : {
        "name" : "rhcos-aarch64-4.19.9.6.202603251941-0 as a component of Red Hat OpenShift Container Platform 4.19",
        "product_id" : "9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202603251941-0"
      },
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      },
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      },
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  },
  "vulnerabilities" : [ {
    "acknowledgments" : [ {
      "names" : [ "Simon Hall" ]
    } ],
    "cve" : "CVE-2025-12801",
    "cwe" : {
      "id" : "CWE-279",
      "name" : "Incorrect Execution-Assigned Permissions"
    },
    "discovery_date" : "2025-11-06T12:15:57.744000+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2413081"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A vulnerability was recently discovered in the rpc.mountd daemon in the nfs-utils package for Linux, that allows a NFSv3 client to escalate the\nprivileges assigned to it in the /etc/exports file at mount time. In particular, it allows the client to access any subdirectory or subtree of an exported directory, regardless of the set file permissions, and regardless of any 'root_squash' or 'all_squash' attributes that would normally be expected to apply to that client.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "nfs-utils: rpc.mountd in the nfs-utils privilege escalation",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This MODERATE impact vulnerability in `rpc.mountd` within the `nfs-utils` package allows an authenticated NFSv3 client to bypass configured `root_squash` or `all_squash` restrictions. This enables the client to access subdirectories of an exported NFS share with elevated privileges, regardless of the intended file permissions. Red Hat Enterprise Linux systems configured as NFSv3 servers are affected.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
    } ],
    "product_status" : {
      "fixed" : [ "9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202603251941-0" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2025-12801"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2413081",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2413081"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2025-12801",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2025-12801"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2025-12801",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-12801"
    } ],
    "release_date" : "2026-03-04T15:06:00+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-04-01T10:06:58+00:00",
      "details" : "For OpenShift Container Platform 4.19 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64, s390x, ppc64le, and aarch64 architectures. The image digests\nmay be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n      (For x86_64 architecture)\n      The image digest is sha256:67559510d25d5024c374d67104b99d88f83746f615fa8232ae778d9e7fec14f8\n\n      (For s390x architecture)\n      The image digest is sha256:2d527273c5a7077d815a2a67e7970ea3dedfe13bb4f973eaaf75fb8cc2166235\n\n      (For ppc64le architecture)\n      The image digest is sha256:d82500c7d65c17524bea939caf23104b28965311110305220943e131d1797b35\n\n      (For aarch64 architecture)\n      The image digest is sha256:434c8a014b3a5c1e936a0aab41cf907048fc6eca75e49a4e78c2b931deedb1cf\n\nAll OpenShift Container Platform 4.19 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.",
      "product_ids" : [ "9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202603251941-0" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:5877"
    }, {
      "category" : "workaround",
      "details" : "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
      "product_ids" : [ "9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202603251941-0" ]
    } ],
    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "LOW",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "NONE",
        "baseScore" : 6.5,
        "baseSeverity" : "MEDIUM",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "NONE",
        "privilegesRequired" : "LOW",
        "scope" : "UNCHANGED",
        "userInteraction" : "NONE",
        "vectorString" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
        "version" : "3.1"
      },
      "products" : [ "9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202603251941-0", "9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202603251941-0" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Moderate"
    } ],
    "title" : "nfs-utils: rpc.mountd in the nfs-utils privilege escalation"
  } ]
}