GSD-2015-8839

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.
Aliases
Aliases
CVE-2015-8839
To clipboard 

{
  "GSD": {
    "alias": "CVE-2015-8839",
    "description": "Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user\u0027s file after unsynchronized hole punching and page-fault handling.",
    "id": "GSD-2015-8839",
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      "https://access.redhat.com/errata/RHSA-2017:1842",
      "https://ubuntu.com/security/CVE-2015-8839",
      "https://alas.aws.amazon.com/cve/html/CVE-2015-8839.html",
      "https://linux.oracle.com/cve/CVE-2015-8839.html"
    ]
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      "remediation": "unknown",
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      "id": "GSD-2015-8839",
      "modified": "2023-12-13T01:20:03.843742Z",
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            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 1.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
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          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.4,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2020-10-02T14:56Z",
      "publishedDate": "2016-05-02T10:59Z"
    }
  }
}



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Sightings

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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.
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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.



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.