FKIE_CVE-2010-0727

Vulnerability from fkie_nvd - Published: 2010-03-16 19:30 - Updated: 2025-04-11 00:51
Severity ?
Summary
The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file's permissions.
References
secalert@redhat.comhttp://lkml.org/lkml/2010/3/11/269Patch, Third Party Advisory
secalert@redhat.comhttp://secunia.com/advisories/39830Third Party Advisory
secalert@redhat.comhttp://securitytracker.com/id?1023809Third Party Advisory, VDB Entry
secalert@redhat.comhttp://www.debian.org/security/2010/dsa-2053Third Party Advisory
secalert@redhat.comhttp://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2Release Notes, Vendor Advisory
secalert@redhat.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2010:066Third Party Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2010/03/12/1Exploit, Mailing List, Third Party Advisory
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2010-0330.htmlThird Party Advisory
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2010-0380.htmlThird Party Advisory
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2010-0521.htmlThird Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=570863Exploit, Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lkml.org/lkml/2010/3/11/269Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/39830Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1023809Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2010/dsa-2053Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2010:066Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2010/03/12/1Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2010-0330.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2010-0380.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2010-0521.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=570863Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
debian debian_linux 5.0
redhat enterprise_linux 5.0
redhat enterprise_linux 6.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B8928F1C-5999-44DF-B08C-A1DC7754126D",
              "versionEndIncluding": "2.6.33.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "8C757774-08E7-40AA-B532-6F705C8F7639",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "1D8B549B-E57B-4DFE-8A13-CAB06B5356B3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file\u0027s permissions."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n gfs2_lock en el Linux kernel anterior v2.6.34-rc1-next-20100312, y la funci\u00f3n gfs_lock en el Linux kernel de Red Hat Enterprise Linux (RHEL) v5 y v6, no elimina adecuadamente el POSIX locks en los archivos setgid sin permisos group-execute, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (BUG y ca\u00edda de sistema) bloqueando un archivo en los sistemas de archivos(1) GFS o (2) GFS2, y luego cambiar los permisos de este archivo."
    }
  ],
  "id": "CVE-2010-0727",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2010-03-16T19:30:00.400",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://lkml.org/lkml/2010/3/11/269"
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    {
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    {
      "source": "secalert@redhat.com",
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      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:066"
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      "url": "http://www.openwall.com/lists/oss-security/2010/03/12/1"
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      "source": "secalert@redhat.com",
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    },
    {
      "source": "secalert@redhat.com",
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    },
    {
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    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://lkml.org/lkml/2010/3/11/269"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
    {
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    },
    {
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      "tags": [
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      "url": "http://www.debian.org/security/2010/dsa-2053"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:066"
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    {
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    {
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    {
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=570863"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vendorComments": [
    {
      "comment": "Red Hat is aware of this issue and is tracking it via the following bug:\nhttps://bugzilla.redhat.com/CVE-2010-0727.\n\nThis issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise MRG, as it did not include support for the GFS and GFS2 file systems.\n\nFor the GFS issue, it was addressed in Red Hat Enterprise Linux 3 in the gfs package, 4 in the GFS-kernel package, and 5 in the gfs-kmod package, via https://rhn.redhat.com/errata/RHSA-2010-9493.html, https://rhn.redhat.com/errata/RHSA-2010-9494.html, https://rhn.redhat.com/errata/RHSA-2010-0291.html respectively.\n\nFor the GFS2 issue, it was addressed in Red Hat Enterprise Linux 5 in the kernel package via https://rhn.redhat.com/errata/RHSA-2010-0178.html.",
      "lastModified": "2010-04-06T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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