CVE-2010-2943 (GCVE-0-2010-2943)

Vulnerability from cvelistv5 – Published: 2010-09-30 14:00 – Updated: 2024-08-07 02:55
VLAI
Summary
The xfs implementation in the Linux kernel before 2.6.35 does not look up inode allocation btrees before reading inode buffers, which allows remote authenticated users to read unlinked files, or read or overwrite disk blocks that are currently assigned to an active file but were previously assigned to an unlinked file, by accessing a stale NFS filehandle.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
  • n/a
Assigner
References
URL Tags
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http://www.openwall.com/lists/oss-security/2010/08/18/2 mailing-listx_refsource_MLIST
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http://secunia.com/advisories/43161 third-party-advisoryx_refsource_SECUNIA
Date Public
2010-06-17 00:00
Show details on NVD website
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          "value": "The xfs implementation in the Linux kernel before 2.6.35 does not look up inode allocation btrees before reading inode buffers, which allows remote authenticated users to read unlinked files, or read or overwrite disk blocks that are currently assigned to an active file but were previously assigned to an unlinked file, by accessing a stale NFS filehandle."
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The xfs implementation in the Linux kernel before 2.6.35 does not look up inode allocation btrees before reading inode buffers, which allows remote authenticated users to read unlinked files, or read or overwrite disk blocks that are currently assigned to an active file but were previously assigned to an unlinked file, by accessing a stale NFS filehandle."
          },
          {
            "lang": "es",
            "value": "La implementaci\u00f3n xfs en el kernel Linux, en versiones anteriores a la 2.6.35, no busca la asignaci\u00f3n de inodes btrees antes de leer los b\u00fafer inode, lo que permite a atacantes remotos  autenticados leer ficheros no enlazados o leer o sobreescribir bloques de disco que est\u00e1n asignados actualmente a un fichero activo pero que fueron previamente asignados a un fichero no enlazado, accediendo a un manejador de fichero NFS antiguo."
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        "id": "CVE-2010-2943",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
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              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
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                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 6.4,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
                "version": "2.0"
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              "exploitabilityScore": 10.0,
              "impactScore": 4.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
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                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
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        "published": "2010-09-30T15:00:01.987",
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        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
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                "value": "CWE-200"
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    },
    "redhat_vex": {
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      "current_release_date": "2025-11-21T13:02:49+00:00",
      "cve": "CVE-2010-2943",
      "id": "CVE-2010-2943",
      "initial_release_date": "2010-06-20T00:00:00+00:00",
      "product_status:fixed": "122",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: xfs: validate inode numbers in file handles correctly",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2010/cve-2010-2943.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-02T16:58:40Z",
      "cve": "CVE-2010-2943",
      "id": "CVE-2010-2943",
      "initial_release_date": "2023-02-15T05:57:58Z",
      "product_status:known_not_affected": "495",
      "product_status:recommended": "89",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2010-2943",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2010-2943.json",
      "version": "14"
    }
  }
}



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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.



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.