FKIE_CVE-2023-6476

Vulnerability from fkie_nvd - Published: 2024-01-09 22:15 - Updated: 2026-06-17 06:50
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0195Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0207Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-6476Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2253994Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0195Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0207Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-6476Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2253994Issue Tracking, Vendor Advisory
Impacted products
Vendor Product Version
redhat openshift_container_platform 3.11
redhat openshift_container_platform 4.13
redhat openshift_container_platform 4.14
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
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          "cpes": [
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            "cpe:/a:redhat:openshift:4.13::el8"
          ],
          "defaultStatus": "affected",
          "packageName": "cri-o",
          "product": "Red Hat OpenShift Container Platform 4.13",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.26.4-6.1.rhaos4.13.git9eb9cf3.el9",
              "versionType": "rpm"
            }
          ]
        },
        {
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          ],
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          "vendor": "Red Hat",
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              "status": "unaffected",
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              "versionType": "rpm"
            }
          ]
        },
        {
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          ],
          "defaultStatus": "unknown",
          "packageName": "cri-o",
          "product": "Red Hat OpenShift Container Platform 3.11",
          "vendor": "Red Hat"
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
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      ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una falla en CRI-O que involucra una anotaci\u00f3n experimental que lleva a que un contenedor no est\u00e9 confinado. Esto puede permitir que un pod especifique y obtenga cualquier cantidad de memoria/CPU, eludiendo el programador de Kubernetes y potencialmente provocando una denegaci\u00f3n de servicio en el nodo."
    }
  ],
  "id": "CVE-2023-6476",
  "lastModified": "2026-06-17T06:50:49.193",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "secalert@redhat.com",
        "type": "Secondary"
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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    "ssvcV203": [
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        "ssvcData": {
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          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-01-10T15:24:28.741663Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-01-09T22:15:43.610",
  "references": [
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      "tags": [
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
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      ],
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      "type": "Secondary"
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          "value": "CWE-770"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.