CVE-2009-4020 (GCVE-0-2009-4020)

Vulnerability from cvelistv5 – Published: 2009-12-04 21:00 – Updated: 2024-08-07 06:45
VLAI
Summary
Stack-based buffer overflow in the hfs subsystem in the Linux kernel 2.6.32 allows remote attackers to have an unspecified impact via a crafted Hierarchical File System (HFS) filesystem, related to the hfs_readdir function in fs/hfs/dir.c.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://marc.info/?l=linux-mm-commits&m=1259877558… mailing-listx_refsource_MLIST
http://secunia.com/advisories/38276 third-party-advisoryx_refsource_SECUNIA
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://support.avaya.com/css/P8/documents/100073666 x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2009/12/04/1 mailing-listx_refsource_MLIST
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
https://bugzilla.redhat.com/show_bug.cgi?id=540736 x_refsource_CONFIRM
http://userweb.kernel.org/~akpm/mmotm/broken-out/… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.novell.com/linux/security/advisories/2… vendor-advisoryx_refsource_SUSE
https://rhn.redhat.com/errata/RHSA-2010-0095.html vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/39742 third-party-advisoryx_refsource_SECUNIA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://rhn.redhat.com/errata/RHSA-2010-0046.html vendor-advisoryx_refsource_REDHAT
http://www.debian.org/security/2010/dsa-2005 vendor-advisoryx_refsource_DEBIAN
Date Public
2009-12-04 00:00
Show details on NVD website
To clipboard 

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            "url": "http://secunia.com/advisories/39742"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://support.avaya.com/css/P8/documents/100073666"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch"
            ],
            "url": "http://userweb.kernel.org/~akpm/mmotm/broken-out/hfs-fix-a-potential-buffer-overflow.patch"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.debian.org/security/2010/dsa-2005"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.novell.com/linux/security/advisories/2010_23_kernel.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.openwall.com/lists/oss-security/2009/12/04/1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=540736"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10091"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6750"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://rhn.redhat.com/errata/RHSA-2010-0046.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://rhn.redhat.com/errata/RHSA-2010-0095.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00007.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://marc.info/?l=linux-mm-commits\u0026m=125987755823047\u0026w=2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/38276"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/39742"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://support.avaya.com/css/P8/documents/100073666"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "http://userweb.kernel.org/~akpm/mmotm/broken-out/hfs-fix-a-potential-buffer-overflow.patch"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2010/dsa-2005"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.novell.com/linux/security/advisories/2010_23_kernel.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2009/12/04/1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=540736"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10091"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6750"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://rhn.redhat.com/errata/RHSA-2010-0046.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://rhn.redhat.com/errata/RHSA-2010-0095.html"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vendorComments": [
          {
            "comment": "This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise MRG as the affected driver is not enabled in this kernel.\n\nIt was addressed in Red Hat Enterprise Linux 4 and 5 via https://rhn.redhat.com/errata/RHSA-2010-0076.html and https://rhn.redhat.com/errata/RHSA-2010-0046.html respectively.\n\nRed Hat Enterprise Linux 3 is now in Production 3 of the maintenance life-cycle, http://www.redhat.com/security/updates/errata, and this issue is rated as having low impact, therefore the fix for this issue is not currently planned to be included in the future updates.",
            "lastModified": "2010-02-04T00:00:00",
            "organization": "Red Hat"
          }
        ],
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T13:09:28+00:00",
      "cve": "CVE-2009-4020",
      "id": "CVE-2009-4020",
      "initial_release_date": "2009-12-04T00:00:00+00:00",
      "product_status:fixed": "278",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: hfs buffer overflow",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-4020.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T13:06:03Z",
      "cve": "CVE-2009-4020",
      "id": "CVE-2009-4020",
      "initial_release_date": "2023-02-15T06:01:44Z",
      "product_status:known_not_affected": "479",
      "product_status:recommended": "59",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2009-4020",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2009-4020.json",
      "version": "19"
    }
  }
}



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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.



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.