Vulnerability-Lookup

CNVD-2016-01226

Vulnerability from cnvd - Published: 2016-02-24

Title

QEMU ‘hw/pci/msix.c’拒绝服务漏洞

Description

QEMU是一套模拟处理器软件。 QEMU ‘hw/pci/msix.c’存在安全漏洞，允许攻击者利用漏洞使QEMU进程崩溃，导致拒绝服务。

Severity

中

Patch Name

QEMU ‘hw/pci/msix.c’拒绝服务漏洞的补丁

Patch Description

QEMU是一套模拟处理器软件。 QEMU ‘hw/pci/msix.c’存在安全漏洞，允许攻击者利用该漏洞使QEMU进程崩溃，导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下厂商提供的安全补丁以修复该漏洞： http://wiki.qemu.org/Main_Page

Reference

http://www.securityfocus.com/bid/80761

Impacted products

Name
QEMU QEMU

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "80761"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-7549"
    }
  },
  "description": "QEMU\u662f\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU \u2018hw/pci/msix.c\u2019\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u4f7fQEMU\u8fdb\u7a0b\u5d29\u6e83\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Qinghao Tang of QIHU 360 Marvel Team",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://wiki.qemu.org/Main_Page",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01226",
  "openTime": "2016-02-24",
  "patchDescription": "QEMU\u662f\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU \u2018hw/pci/msix.c\u2019\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7fQEMU\u8fdb\u7a0b\u5d29\u6e83\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "QEMU \u2018hw/pci/msix.c\u2019\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU"
  },
  "referenceLink": "http://www.securityfocus.com/bid/80761",
  "serverity": "\u4e2d",
  "submitTime": "2016-02-23",
  "title": "QEMU \u2018hw/pci/msix.c\u2019\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-7549 (GCVE-0-2015-7549)

Vulnerability from cvelistv5 – Published: 2017-10-30 14:00 – Updated: 2024-08-06 07:51

Summary

The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

7 references

URL	Tags
http://www.openwall.com/lists/oss-security/2015/12/14/2	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/80761	vdb-entryx_refsource_BID
http://www.debian.org/security/2016/dsa-3471	vendor-advisoryx_refsource_DEBIAN
https://bugzilla.redhat.com/show_bug.cgi?id=1291137	x_refsource_CONFIRM
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43…	x_refsource_CONFIRM
https://security.gentoo.org/glsa/201602-01	vendor-advisoryx_refsource_GENTOO
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA

Date Public

2015-12-14 00:00

Show details on NVD website

JSON

To clipboard

{
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T07:51:28.511Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
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            ],
            "url": "http://www.openwall.com/lists/oss-security/2015/12/14/2"
          },
          {
            "name": "80761",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
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            ],
            "url": "http://www.securityfocus.com/bid/80761"
          },
          {
            "name": "DSA-3471",
            "tags": [
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          },
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            "tags": [
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              "x_refsource_CONFIRM",
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            ],
            "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285"
          },
          {
            "name": "GLSA-201602-01",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
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            ],
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          }
        ],
        "title": "CVE Program Container"
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          "vendor": "n/a",
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      "descriptions": [
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          "lang": "en",
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        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
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            }
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      "providerMetadata": {
        "dateUpdated": "2017-11-03T18:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
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          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1291137"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285"
        },
        {
          "name": "GLSA-201602-01",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201602-01"
        },
        {
          "name": "FEDORA-2016-e9bba2bb01",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.html"
        }
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    "datePublished": "2017-10-30T14:00:00.000Z",
    "dateReserved": "2015-09-29T00:00:00.000Z",
    "dateUpdated": "2024-08-06T07:51:28.511Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.