Vulnerability-Lookup

CNVD-2021-49045

Vulnerability from cnvd - Published: 2021-07-10

Title

ACRN代码问题漏洞

Description

ACRN是一款用于物联网的开源虚拟机监视器。 ACRN 2.5之前版本中的hw/pci/virtio/virtio.c中的vq_endchains存在空指针解引用漏洞。目前没有详细的漏洞细节提供。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法：

https://github.com/projectacrn/acrn-hypervisor。

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-36143

Impacted products

Name
ACRN ACRN <2.5

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-36143"
    }
  },
  "description": "ACRN\u662f\u4e00\u6b3e\u7528\u4e8e\u7269\u8054\u7f51\u7684\u5f00\u6e90\u865a\u62df\u673a\u76d1\u89c6\u5668\u3002\n\nACRN 2.5\u4e4b\u524d\u7248\u672c\u4e2d\u7684hw/pci/virtio/virtio.c\u4e2d\u7684vq_endchains\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\n\r\nhttps://github.com/projectacrn/acrn-hypervisor\u3002",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-49045",
  "openTime": "2021-07-10",
  "products": {
    "product": "ACRN ACRN \u003c2.5"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-36143",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-05",
  "title": "ACRN\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-36143 (GCVE-0-2021-36143)

Vulnerability from cvelistv5 – Published: 2021-07-02 21:25 – Updated: 2024-08-04 00:47

Summary

ACRN before 2.5 has a hw/pci/virtio/virtio.c vq_endchains NULL Pointer Dereference.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/projectacrn/acrn-hypervisor/co…	x_refsource_MISC

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:47:43.854Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/projectacrn/acrn-hypervisor/commit/154fe59531c12b82e26d1b24b5531f5066d224f5"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "ACRN before 2.5 has a hw/pci/virtio/virtio.c vq_endchains NULL Pointer Dereference."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-02T21:25:09.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/projectacrn/acrn-hypervisor/commit/154fe59531c12b82e26d1b24b5531f5066d224f5"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-36143",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "ACRN before 2.5 has a hw/pci/virtio/virtio.c vq_endchains NULL Pointer Dereference."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/projectacrn/acrn-hypervisor/commit/154fe59531c12b82e26d1b24b5531f5066d224f5",
              "refsource": "MISC",
              "url": "https://github.com/projectacrn/acrn-hypervisor/commit/154fe59531c12b82e26d1b24b5531f5066d224f5"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-36143",
    "datePublished": "2021-07-02T21:25:09.000Z",
    "dateReserved": "2021-07-02T00:00:00.000Z",
    "dateUpdated": "2024-08-04T00:47:43.854Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2021-49045

CVE-2021-36143 (GCVE-0-2021-36143)

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