{
  "id": "CVE-2017-8244",
  "sourceIdentifier": "product-security@qualcomm.com",
  "published": "2017-05-12T20:29:00.313",
  "lastModified": "2020-11-09T14:27:19.047",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In core_info_read and inst_info_read in all Android releases from CAF using the Linux kernel, variable \"dbg_buf\", \"dbg_buf->curr\" and \"dbg_buf->filled_size\" could be modified by different threads at the same time, but they are not protected with mutex or locks. Buffer overflow is possible on race conditions. \"buffer->curr\" itself could also be overwritten, which means that it may point to anywhere of kernel memory (for write)."
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n core_info_read e inst_info_read en todas las versiones de Android de CAF usando el kernel de Linux, las variables \"dbg_buf\", \"dbg_buf-)curr\" y \"dbg_buf-)filled_size\" pueden ser modificadas por diferentes hilos al mismo tiempo, pero no est\u00e1n protegidos con mutex o locks. Un desbordamiento de b\u00fafer es posible sobre condiciones de carrera. \"buffer-)curr\" en s\u00ed tambi\u00e9n podr\u00eda ser sobrescrita, lo que quiere decir que puede apuntar a cualquier parte de la memoria del kernel (para escritura)."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "accessVector": "LOCAL",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"
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  "references": [
    {
      "url": "http://www.securityfocus.com/bid/98547",
      "source": "product-security@qualcomm.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://source.android.com/security/bulletin/pixel/2017-12-01",
      "source": "product-security@qualcomm.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.codeaurora.org/buffer-overflow-msmvidc-debugfs-driver-coreinforead-and-instinforead-cve-2017-8244",
      "source": "product-security@qualcomm.com",
      "tags": [
        "Broken Link"
      ]
    }
  ]
}