fkie_cve-2011-1771
Vulnerability from fkie_nvd
Published
2011-09-06 16:55
Modified
2025-04-11 00:51
Summary
The cifs_close function in fs/cifs/file.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact by setting the O_DIRECT flag during an attempt to open a file on a CIFS filesystem.
References
secalert@redhat.comhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd
secalert@redhat.comhttp://marc.info/?l=linux-cifs&m=130204357001849&w=2Exploit, Third Party Advisory
secalert@redhat.comhttp://marc.info/?l=linux-cifs&m=130204730006155&w=2Third Party Advisory
secalert@redhat.comhttp://securityreason.com/securityalert/8367Third Party Advisory
secalert@redhat.comhttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39Release Notes, Vendor Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/05/09/2Exploit, Mailing List, Patch, Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=703016Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=linux-cifs&m=130204357001849&w=2Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=linux-cifs&m=130204730006155&w=2Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://securityreason.com/securityalert/8367Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/05/09/2Exploit, Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=703016Exploit, Issue Tracking, Patch, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "176353CE-F17E-4776-AD9F-19014DA75B76",
              "versionEndExcluding": "2.6.39",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The cifs_close function in fs/cifs/file.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact by setting the O_DIRECT flag during an attempt to open a file on a CIFS filesystem."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n cifs_close en fs/cifs/file.c en el kernel de Linux antes de su versi\u00f3n v2.6.39 permite a usuarios locales provocar una denegaci\u00f3n de servicio (puntero a NULL y Error) o posiblemente tener un impacto no especificado estableciendo el flag O_DIRECT durante un intento de abrir un archivo en un sistema de archivos CIFS."
    }
  ],
  "id": "CVE-2011-1771",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2011-09-06T16:55:07.320",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "http://marc.info/?l=linux-cifs\u0026m=130204357001849\u0026w=2"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://marc.info/?l=linux-cifs\u0026m=130204730006155\u0026w=2"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://securityreason.com/securityalert/8367"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2011/05/09/2"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=703016"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "http://marc.info/?l=linux-cifs\u0026m=130204357001849\u0026w=2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://marc.info/?l=linux-cifs\u0026m=130204730006155\u0026w=2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://securityreason.com/securityalert/8367"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Mailing List",
        "Patch",
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      ],
      "url": "http://www.openwall.com/lists/oss-security/2011/05/09/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=703016"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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