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CVE-2009-3939 (GCVE-0-2009-3939)

Vulnerability from cvelistv5 – Published: 2009-11-16 19:00 – Updated: 2024-08-07 06:45
VLAI
Summary
The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows local users to change the I/O mode of the driver by modifying this file.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://secunia.com/advisories/38276 third-party-advisoryx_refsource_SECUNIA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/usn-864-1 vendor-advisoryx_refsource_UBUNTU
https://bugzilla.redhat.com/show_bug.cgi?id=526068 x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/38779 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/37019 vdb-entryx_refsource_BID
http://support.avaya.com/css/P8/documents/100073666 x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/37909 third-party-advisoryx_refsource_SECUNIA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.debian.org/security/2010/dsa-1996 vendor-advisoryx_refsource_DEBIAN
http://www.openwall.com/lists/oss-security/2009/11/13/1 mailing-listx_refsource_MLIST
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
https://rhn.redhat.com/errata/RHSA-2010-0095.html vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://osvdb.org/60201 vdb-entryx_refsource_OSVDB
https://rhn.redhat.com/errata/RHSA-2010-0046.html vendor-advisoryx_refsource_REDHAT
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/38017 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/38492 third-party-advisoryx_refsource_SECUNIA
Date Public
2009-11-13 00:00
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                "integrityImpact": "COMPLETE",
                "vectorString": "AV:L/AC:L/Au:N/C:N/I:C/A:C",
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        "vendorComments": [
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            "comment": "This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 3, as it does not implement the sysfs file system (\u0026quot;/sys/\u0026quot;), through which poll_mode_io file is exposed by the megaraid_sas driver.\n\nIssue was addressed in Red Hat Enterprise Linux 4, 5 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2010-0076.html , https://rhn.redhat.com/errata/RHSA-2010-0046.html and https://rhn.redhat.com/errata/RHSA-2009-1635.html respectively.",
            "lastModified": "2010-02-04T00:00:00",
            "organization": "Red Hat"
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        "vulnStatus": "Modified",
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                "lang": "en",
                "value": "CWE-732"
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            "source": "nvd@nist.gov",
            "type": "Primary"
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    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T13:09:41+00:00",
      "cve": "CVE-2009-3939",
      "id": "CVE-2009-3939",
      "initial_release_date": "2009-09-28T00:00:00+00:00",
      "product_status:fixed": "306",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: megaraid_sas permissions in sysfs",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-3939.json",
      "version": "3"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.