msrc_cve-2025-64435
Vulnerability from csaf_microsoft
Published
2025-11-02 00:00
Modified
2025-12-07 01:48
Summary
KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.



{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2025-64435 KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-64435.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation",
    "tracking": {
      "current_release_date": "2025-12-07T01:48:08.000Z",
      "generator": {
        "date": "2025-12-07T15:03:05.330Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-64435",
      "initial_release_date": "2025-11-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-11-09T01:02:03.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2025-12-06T14:39:37.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        },
        {
          "date": "2025-12-07T01:48:08.000Z",
          "legacy_version": "3",
          "number": "3",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 kubevirt 1.5.0-5",
                "product": {
                  "name": "azl3 kubevirt 1.5.0-5",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version_range",
                "name": "cbl2 kubevirt 0.59.0-30",
                "product": {
                  "name": "cbl2 kubevirt 0.59.0-30",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version_range",
                "name": "azl3 kubevirt 1.5.3-2",
                "product": {
                  "name": "azl3 kubevirt 1.5.3-2",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version_range",
                "name": "cbl2 kubevirt 0.59.0-31",
                "product": {
                  "name": "cbl2 kubevirt 0.59.0-31",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "kubevirt"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 kubevirt 1.5.0-5 as a component of Azure Linux 3.0",
          "product_id": "17084-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 kubevirt 0.59.0-30 as a component of CBL Mariner 2.0",
          "product_id": "17086-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 kubevirt 1.5.3-2 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 kubevirt 0.59.0-31 as a component of CBL Mariner 2.0",
          "product_id": "17086-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-64435",
      "cwe": {
        "id": "CWE-703",
        "name": "Improper Check or Handling of Exceptional Conditions"
      },
      "notes": [
        {
          "category": "general",
          "text": "GitHub_M",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_affected": [
          "17084-3",
          "17086-4",
          "17084-2",
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-64435 KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-64435.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2025-11-09T01:02:03.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-3"
          ]
        },
        {
          "category": "none_available",
          "date": "2025-11-09T01:02:03.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17086-4"
          ]
        },
        {
          "category": "none_available",
          "date": "2025-11-09T01:02:03.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-2"
          ]
        },
        {
          "category": "none_available",
          "date": "2025-11-09T01:02:03.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17086-1"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "temporalScore": 5.3,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "17084-3",
            "17086-4",
            "17084-2",
            "17086-1"
          ]
        }
      ],
      "title": "KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation"
    }
  ]
}


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