CVE-2023-6476

2024-01-0922:15:43

CWE-770

[email protected]

web.nvd.nist.gov

cri-o

flaw

experimental annotation

denial of service

nvd

security vulnerability

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

23.9%

JSON

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.

Affected configurations

NVD

Node

redhatopenshift_container_platformMatch3.11

Node

redhatopenshift_container_platformMatch4.13

redhatopenshift_container_platformMatch4.14

AND

redhatenterprise_linuxMatch8.0

redhatenterprise_linuxMatch9.0

CPENameOperatorVersion
redhat:openshift_container_platformredhat openshift container platformeq3.11

CPE	Name	Operator	Version
redhat:openshift_container_platform	redhat openshift container platform	eq	3.11

CNA Affected

[
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.13",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cri-o",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.26.4-6.1.rhaos4.13.git9eb9cf3.el9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.13::el9",
      "cpe:/a:redhat:openshift:4.13::el8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.14",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cri-o",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.27.2-7.rhaos4.14.git1cc7a64.el8",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.14::el8",
      "cpe:/a:redhat:openshift:4.14::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 3.11",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cri-o",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:openshift:3.11"
    ]
  }
]