gsd-2015-8839
Vulnerability from gsd
Modified
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",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-8839.html",
      "https://access.redhat.com/errata/RHSA-2017:2669",
      "https://access.redhat.com/errata/RHSA-2017:2077",
      "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"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
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        "CVE-2015-8839"
      ],
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      "id": "GSD-2015-8839",
      "modified": "2023-12-13T01:20:03.843742Z",
      "schema_version": "1.4.0"
    }
  },
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    },
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      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "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"
          },
          "exploitabilityScore": 3.4,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "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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