{
  "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-2024-7409 Qemu: denial of service via improper synchronization in qemu nbd server during socket closure - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-7409.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": "Qemu: denial of service via improper synchronization in qemu nbd server during socket closure",
    "tracking": {
      "current_release_date": "2026-02-18T02:52:23.000Z",
      "generator": {
        "date": "2026-05-22T10:17:11.138Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2024-7409",
      "initial_release_date": "2024-08-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-09-04T04:09:38.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2025-11-22T14:35:15.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        },
        {
          "date": "2026-02-18T02:52:23.000Z",
          "legacy_version": "2.1",
          "number": "3",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "cbl2 qemu 0:6.2.0-24.cbl2",
                "product": {
                  "name": "cbl2 qemu 0:6.2.0-24.cbl2",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version_range",
                "name": "<azl3 qemu 0:8.2.0-17.azl3",
                "product": {
                  "name": "<azl3 qemu 0:8.2.0-17.azl3",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 qemu 0:8.2.0-17.azl3",
                "product": {
                  "name": "azl3 qemu 0:8.2.0-17.azl3",
                  "product_id": "20035"
                }
              },
              {
                "category": "product_version_range",
                "name": "<cbl2 qemu 0:6.2.0-25.cbl2",
                "product": {
                  "name": "<cbl2 qemu 0:6.2.0-25.cbl2",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 qemu 0:6.2.0-25.cbl2",
                "product": {
                  "name": "cbl2 qemu 0:6.2.0-25.cbl2",
                  "product_id": "20602"
                }
              },
              {
                "category": "product_version_range",
                "name": "cbl2 qemu 0:6.2.0-24.cbl2",
                "product": {
                  "name": "cbl2 qemu 0:6.2.0-24.cbl2",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "qemu"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 qemu 0:6.2.0-24.cbl2 as a component of CBL Mariner 2.0",
          "product_id": "17086-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "<azl3 qemu 0:8.2.0-17.azl3 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": "azl3 qemu 0:8.2.0-17.azl3 as a component of Azure Linux 3.0",
          "product_id": "20035-17084"
        },
        "product_reference": "20035",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "<cbl2 qemu 0:6.2.0-25.cbl2 as a component of CBL Mariner 2.0",
          "product_id": "17086-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 qemu 0:6.2.0-25.cbl2 as a component of CBL Mariner 2.0",
          "product_id": "20602-17086"
        },
        "product_reference": "20602",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 qemu 0:6.2.0-24.cbl2 as a component of CBL Mariner 2.0",
          "product_id": "17086-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-7409",
      "cwe": {
        "id": "CWE-662",
        "name": "Improper Synchronization"
      },
      "notes": [
        {
          "category": "general",
          "text": "redhat",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "20035-17084",
          "20602-17086"
        ],
        "known_affected": [
          "17086-3",
          "17084-2",
          "17086-1",
          "17086-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2024-7409 Qemu: denial of service via improper synchronization in qemu nbd server during socket closure - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-7409.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2025-09-04T04:09:38.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17086-3"
          ]
        },
        {
          "category": "none_available",
          "date": "2025-09-04T04:09:38.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17086-4"
          ]
        },
        {
          "category": "vendor_fix",
          "date": "2025-09-04T04:09:38.000Z",
          "details": "0:8.2.0-18.azl3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2025-09-04T04:09:38.000Z",
          "details": "0:6.2.0-26.cbl2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "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"
          },
          "products": [
            "17086-3",
            "17084-2",
            "17086-1",
            "17086-4"
          ]
        }
      ],
      "title": "Qemu: denial of service via improper synchronization in qemu nbd server during socket closure"
    }
  ]
}