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CVE-2010-2946

Status: ModifiedLow (2.1)—

fs/jfs/xattr.c in the Linux kernel before 2.6.35.2 does not properly handle a certain legacy format for storage of extended attributes, which might allow local users by bypass intended xattr namespace restrictions via an "os2." substring at the beginning of a name.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

CWEs

References

Raw JSON (NVD)

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  "id": "CVE-2010-2946",
  "cveTags": [],
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          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "product": "n/a",
          "versions": [
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              "version": "n/a"
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  "published": "2010-09-29T17:00:04.307",
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          "value": "CWE-20"
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      "value": "fs/jfs/xattr.c in the Linux kernel before 2.6.35.2 does not properly handle a certain legacy format for storage of extended attributes, which might allow local users by bypass intended xattr namespace restrictions via an \"os2.\" substring at the beginning of a name."
    },
    {
      "lang": "es",
      "value": "fs/jfs/xattr.c en el kernel de Linux anterior a v2.6.35.2 no controla correctamente un cierto formato antiguo para el almacenamiento de los atributos extendidos, lo cual podría permitir a usuarios locales eludir las restricciones de espacio de nombres xattr a través de una cadena \"os2.\" al principio de un nombre."
    }
  ],
  "lastModified": "2026-06-16T23:21:48.637",
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