{
  "id": "CVE-2010-4242",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2011-01-11T03:00:03.983",
  "lastModified": "2018-10-10T20:07:35.050",
  "vulnStatus": "Modified",
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\r\n'CWE-476: NULL Pointer Dereference'",
  "descriptions": [
    {
      "lang": "en",
      "value": "The hci_uart_tty_open function in the HCI UART driver (drivers/bluetooth/hci_ldisc.c) in the Linux kernel 2.6.36, and possibly other versions, does not verify whether the tty has a write operation, which allows local users to cause a denial of service (NULL pointer dereference) via vectors related to the Bluetooth driver."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n hci_uart_tty_open del controlador HCI UART (drivers/bluetooth/hci_ldisc.c) del kernel de Linux 2.6.36, y posiblemente otras versiones, no verifica si el tty tiene una operaci\u00f3n de escritura, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (desreferenciaci\u00f3n de puntero a NULL) a trav\u00e9s de vectores relacionados con el controlador de Bluetooth."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
          "accessVector": "LOCAL",
          "accessComplexity": "HIGH",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 1.9,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.36:*:*:*:*:*:*:*",
              "matchCriteriaId": "9F73DF14-B205-4345-8D2C-9F6F917C7998"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://git.kernel.org/linus/c19483cc5e56ac5e22dd19cf25ba210ab1537773",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/42789",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/42890",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/42963",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/43291",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/46397",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2011-0004.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2011-0007.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2011-0162.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/45014",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0024",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0168",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0375",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://xorl.wordpress.com/2010/12/01/cve-2010-4242-linux-kernel-bluetooth-hci-uart-invalid-pointer-access/",
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Patch"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=641410",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64617",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://lkml.org/lkml/2010/10/7/255",
      "source": "secalert@redhat.com"
    }
  ]
}