{
  "id": "CVE-2016-9754",
  "sourceIdentifier": "security@android.com",
  "published": "2017-01-05T11:59:00.193",
  "lastModified": "2023-01-17T21:05:25.067",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The ring_buffer_resize function in kernel/trace/ring_buffer.c in the profiling subsystem in the Linux kernel before 4.6.1 mishandles certain integer calculations, which allows local users to gain privileges by writing to the /sys/kernel/debug/tracing/buffer_size_kb file."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n ring_buffer_resize en kernel/trace/ring_buffer.c en el subsistema de creaci\u00f3n de perfiles del kernel de Linux en versiones anteriores a 4.6.1 no maneja adecuadamente ciertos c\u00e1lculos de entero, lo que permite a usuarios locales obtener privilegios escribiendo en el archivo /sys/kernel/debug/tracing/buffer_size_kb."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 3.9,
        "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-190"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.5",
              "versionEndExcluding": "3.10.102",
              "matchCriteriaId": "7B7694A6-D37E-46B2-91D2-C02D1E1D92FB"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.11",
              "versionEndExcluding": "3.12.61",
              "matchCriteriaId": "1DE29121-4AF5-432B-834F-340E88D3467D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.13",
              "versionEndExcluding": "3.14.71",
              "matchCriteriaId": "67E46C10-5C97-4519-B660-433ED4B105F5"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.15",
              "versionEndExcluding": "3.16.37",
              "matchCriteriaId": "7DEF7E2D-A1AA-4733-A573-11EE52A2B419"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.17",
              "versionEndExcluding": "3.18.35",
              "matchCriteriaId": "0B4D585F-6BD3-46AB-8FD1-CC66EC1518AD"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.19",
              "versionEndExcluding": "4.1.26",
              "matchCriteriaId": "D6ED15B4-3B4F-4D72-A3DD-F61E2E8B2400"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.2",
              "versionEndExcluding": "4.4.12",
              "matchCriteriaId": "74710E0F-33B0-4DE1-9EAA-BF090FD39706"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.5",
              "versionEndExcluding": "4.5.6",
              "matchCriteriaId": "C60F583A-70FF-49D0-B1E7-27AF98A60A2F"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:4.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "273E9BE2-7913-4FA4-9E2E-41AF562FA7B1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643d1535eb220668692a5359de22545af579f6",
      "source": "security@android.com",
      "tags": [
        "Exploit",
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1",
      "source": "security@android.com",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/95278",
      "source": "security@android.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6",
      "source": "security@android.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://source.android.com/security/bulletin/2017-01-01.html",
      "source": "security@android.com",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}