FKIE_CVE-2009-0746

Vulnerability from fkie_nvd - Published: 2009-02-27 17:30 - Updated: 2025-04-09 00:30
Severity ?
Summary
The make_indexed_dir function in fs/ext4/namei.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate a certain rec_len field, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.
References
cve@mitre.orghttp://bugzilla.kernel.org/show_bug.cgi?id=12430
cve@mitre.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e6b8bc09ba2075cd91fbffefcd2778b1a00bd76f
cve@mitre.orghttp://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19
cve@mitre.orghttp://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7
cve@mitre.orghttp://osvdb.org/52202
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2009-1243.html
cve@mitre.orghttp://secunia.com/advisories/34394
cve@mitre.orghttp://secunia.com/advisories/36562
cve@mitre.orghttp://secunia.com/advisories/37471
cve@mitre.orghttp://www.debian.org/security/2009/dsa-1749
cve@mitre.orghttp://www.securityfocus.com/archive/1/507985/100/0/threaded
cve@mitre.orghttp://www.ubuntu.com/usn/usn-751-1
cve@mitre.orghttp://www.vmware.com/security/advisories/VMSA-2009-0016.html
cve@mitre.orghttp://www.vupen.com/english/advisories/2009/0509Vendor Advisory
cve@mitre.orghttp://www.vupen.com/english/advisories/2009/3316
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/48872
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10342
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8039
af854a3a-2127-422b-91ae-364da2661108http://bugzilla.kernel.org/show_bug.cgi?id=12430
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e6b8bc09ba2075cd91fbffefcd2778b1a00bd76f
af854a3a-2127-422b-91ae-364da2661108http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19
af854a3a-2127-422b-91ae-364da2661108http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/52202
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2009-1243.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/34394
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/36562
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/37471
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2009/dsa-1749
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/507985/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/usn-751-1
af854a3a-2127-422b-91ae-364da2661108http://www.vmware.com/security/advisories/VMSA-2009-0016.html
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2009/0509Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2009/3316
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/48872
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10342
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8039
Impacted products
Vendor Product Version
linux linux_kernel 2.6.27
linux linux_kernel 2.6.27.1
linux linux_kernel 2.6.27.2
linux linux_kernel 2.6.27.3
linux linux_kernel 2.6.27.4
linux linux_kernel 2.6.27.5
linux linux_kernel 2.6.27.6
linux linux_kernel 2.6.27.7
linux linux_kernel 2.6.27.8
linux linux_kernel 2.6.27.9
linux linux_kernel 2.6.27.10
linux linux_kernel 2.6.27.11
linux linux_kernel 2.6.27.12
linux linux_kernel 2.6.27.13
linux linux_kernel 2.6.27.14
linux linux_kernel 2.6.27.15
linux linux_kernel 2.6.27.16
linux linux_kernel 2.6.27.17
linux linux_kernel 2.6.27.18
linux linux_kernel 2.6.28
linux linux_kernel 2.6.28.1
linux linux_kernel 2.6.28.2
linux linux_kernel 2.6.28.3
linux linux_kernel 2.6.28.4
linux linux_kernel 2.6.28.5
linux linux_kernel 2.6.28.6
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The make_indexed_dir function in fs/ext4/namei.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate a certain rec_len field, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n make_indexed_dir en fs/ext4/namei.c en el kernel de Linux v2.6.27 anteriores a v2.6.27.19 y v2.6.28  anteriores a v2.6.28.7 no valida el campo rec_len, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (OOPS ) por tratar de montar un sistema de archivos ext4 manipulado."
    }
  ],
  "id": "CVE-2009-0746",
  "lastModified": "2025-04-09T00:30:58.490",
  "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,
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        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
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  },
  "published": "2009-02-27T17:30:09.937",
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  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "comment": "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG. \n\nThis issue was addressed in Red Hat Enterprise Linux 5 by\nhttps://rhn.redhat.com/errata/RHSA-2009-1243.html",
      "lastModified": "2009-09-02T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • 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.
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  • 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.



Detection rules are retrieved from Rulezet.