msrc_cve-2025-9230
Vulnerability from csaf_microsoft
Published
2025-09-02 00:00
Modified
2025-10-02 01:05
Summary
Out-of-bounds read & write in RFC 3211 KEK Unwrap

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.


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{
  "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-2025-9230 Out-of-bounds read \u0026 write in RFC 3211 KEK Unwrap - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-9230.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": "Out-of-bounds read \u0026 write in RFC 3211 KEK Unwrap",
    "tracking": {
      "current_release_date": "2025-10-02T01:05:57.000Z",
      "generator": {
        "date": "2025-10-20T03:48:57.212Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-9230",
      "initial_release_date": "2025-09-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-10-02T01:05:57.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
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          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
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                  "product_id": "17084"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
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                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cazl3 openssl 3.3.3-3",
                "product": {
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                  "product_id": "1"
                }
              },
              {
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                }
              },
              {
                "category": "product_version_range",
                "name": "cbl2 openssl 1.1.1k-36",
                "product": {
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                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "openssl"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cazl3 edk2 20240524git3e722403cd16-9",
                "product": {
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                  "product_id": "4"
                }
              },
              {
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                "name": "azl3 edk2 20240524git3e722403cd16-9",
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                }
              }
            ],
            "category": "product_name",
            "name": "edk2"
          },
          {
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            "name": "azl3 cloud-hypervisor 41.0.139-1",
            "product": {
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              "product_id": "2"
            }
          },
          {
            "category": "product_name",
            "name": "cbl2 cloud-hypervisor-cvm 38.0.72.2-5",
            "product": {
              "name": "cbl2 cloud-hypervisor-cvm 38.0.72.2-5",
              "product_id": "6"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 qemu 8.2.0-19",
            "product": {
              "name": "azl3 qemu 8.2.0-19",
              "product_id": "3"
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 openssl 3.3.3-3 as a component of Azure Linux 3.0",
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        },
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        "relates_to_product_reference": "17084"
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      {
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        "relates_to_product_reference": "17084"
      },
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      },
      {
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        "product_reference": "6",
        "relates_to_product_reference": "17086"
      },
      {
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      },
      {
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        },
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        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-9230",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "flags": [
        {
          "label": "component_not_present",
          "product_ids": [
            "17084-3"
          ]
        },
        {
          "label": "vulnerable_code_not_in_execute_path",
          "product_ids": [
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            "17086-6"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "openssl",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "20467-17084",
          "20128-17084"
        ],
        "known_affected": [
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          "17084-4",
          "17086-5"
        ],
        "known_not_affected": [
          "17084-2",
          "17086-6",
          "17084-3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-9230 Out-of-bounds read \u0026 write in RFC 3211 KEK Unwrap - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-9230.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-10-02T01:05:57.000Z",
          "details": "3.3.5-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-02T01:05:57.000Z",
          "details": "20240524git3e722403cd16-10:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-4"
          ],
          "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": [
            "17084-1",
            "17084-4",
            "17086-5"
          ]
        }
      ],
      "title": "Out-of-bounds read \u0026 write in RFC 3211 KEK Unwrap"
    }
  ]
}


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