gsd-2016-9846
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.
Aliases
Aliases
CVE-2016-9846


To clipboard 

{
  "GSD": {
    "alias": "CVE-2016-9846",
    "description": "QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.",
    "id": "GSD-2016-9846",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-9846.html",
      "https://ubuntu.com/security/CVE-2016-9846"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-9846"
      ],
      "details": "QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.",
      "id": "GSD-2016-9846",
      "modified": "2023-12-13T01:21:21.875873Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2016-9846",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
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              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://security.gentoo.org/glsa/201701-49",
            "refsource": "MISC",
            "url": "https://security.gentoo.org/glsa/201701-49"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2016/12/05/18",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2016/12/05/18"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2016/12/05/23",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2016/12/05/23"
          },
          {
            "name": "http://www.securityfocus.com/bid/94765",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/bid/94765"
          },
          {
            "name": "https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html",
            "refsource": "MISC",
            "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.7.1",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:2.8.0:rc1:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:2.8.0:rc2:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2016-9846"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-119"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[qemu-devel] 20161101 [PATCH] virtio-gpu: fix memory leak in update_cursor_data_virgl",
              "refsource": "MLIST",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html"
            },
            {
              "name": "[oss-security] 20161205 Re: CVE request Qemu: display: virtio-gpu: memory leakage while updating cursor",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2016/12/05/23"
            },
            {
              "name": "[oss-security] 20161205 CVE request Qemu: display: virtio-gpu: memory leakage while updating cursor",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2016/12/05/18"
            },
            {
              "name": "94765",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/94765"
            },
            {
              "name": "GLSA-201701-49",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/201701-49"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 4.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.0,
          "impactScore": 4.0
        }
      },
      "lastModifiedDate": "2020-11-10T18:54Z",
      "publishedDate": "2016-12-29T22:59Z"
    }
  }
}


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