GSD-2016-7421

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.
Aliases
Aliases
CVE-2016-7421
To clipboard 

{
  "GSD": {
    "alias": "CVE-2016-7421",
    "description": "The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.",
    "id": "GSD-2016-7421",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-7421.html",
      "https://ubuntu.com/security/CVE-2016-7421"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-7421"
      ],
      "details": "The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.",
      "id": "GSD-2016-7421",
      "modified": "2023-12-13T01:21:20.597931Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
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        "ID": "CVE-2016-7421",
        "STATE": "PUBLIC"
      },
      "affects": {
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                  {
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                    "version": {
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                        {
                          "version_affected": "=",
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          }
        ]
      },
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    },
    "nvd.nist.gov": {
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                "cpe23Uri": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-834"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[oss-security] 20160916 CVE Request: Qemu: scsi: pvscsi: infinite loop when processing IO requests",
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            },
            {
              "name": "[qemu-devel] 20160915 [PULL 07/17] scsi: pvscsi: limit process IO loop to ring size",
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              "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html"
            },
            {
              "name": "[oss-security] 20160916 Re: CVE Request: Qemu: scsi: pvscsi: infinite loop when processing IO requests",
              "refsource": "MLIST",
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            },
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              "name": "[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update",
              "refsource": "MLIST",
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              "tags": [],
              "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d251157ac1928191af851d199a9ff255d330bec9"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 0.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-02-12T23:25Z",
      "publishedDate": "2016-12-10T00:59Z"
    }
  }
}



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