gsd-2014-3144
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
The (1) BPF_S_ANC_NLATTR and (2) BPF_S_ANC_NLATTR_NEST extension implementations in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 do not check whether a certain length value is sufficiently large, which allows local users to cause a denial of service (integer underflow and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr and __skb_get_nlattr_nest functions before the vulnerability was announced.
Aliases
Aliases
CVE-2014-3144


To clipboard 

{
  "GSD": {
    "alias": "CVE-2014-3144",
    "description": "The (1) BPF_S_ANC_NLATTR and (2) BPF_S_ANC_NLATTR_NEST extension implementations in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 do not check whether a certain length value is sufficiently large, which allows local users to cause a denial of service (integer underflow and system crash) via crafted BPF instructions.  NOTE: the affected code was moved to the __skb_get_nlattr and __skb_get_nlattr_nest functions before the vulnerability was announced.",
    "id": "GSD-2014-3144",
    "references": [
      "https://www.suse.com/security/cve/CVE-2014-3144.html",
      "https://www.debian.org/security/2014/dsa-2949",
      "https://access.redhat.com/errata/RHSA-2014:0981",
      "https://access.redhat.com/errata/RHSA-2014:0913",
      "https://access.redhat.com/errata/RHSA-2014:0786",
      "https://ubuntu.com/security/CVE-2014-3144",
      "https://linux.oracle.com/cve/CVE-2014-3144.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2014-3144"
      ],
      "details": "The (1) BPF_S_ANC_NLATTR and (2) BPF_S_ANC_NLATTR_NEST extension implementations in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 do not check whether a certain length value is sufficiently large, which allows local users to cause a denial of service (integer underflow and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr and __skb_get_nlattr_nest functions before the vulnerability was announced.",
      "id": "GSD-2014-3144",
      "modified": "2023-12-13T01:22:52.935656Z",
      "schema_version": "1.4.0"
    }
  },
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      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 4.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2023-02-13T00:38Z",
      "publishedDate": "2014-05-11T21:55Z"
    }
  }
}


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