« Back to list

CVE-2002-0831

Status: ModifiedLow (2.1)—

The kqueue mechanism in FreeBSD 4.3 through 4.6 STABLE allows local users to cause a denial of service (kernel panic) via a pipe call in which one end is terminated and an EVFILT_WRITE filter is registered for the other end.

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 (1)

Freebsd — Freebsd

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2002-0831",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2002-08-12T04:00:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=bugtraq&m=102865142610126&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.iss.net/security_center/static/9774.php",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.osvdb.org/5069",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/5405",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=102865142610126&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.iss.net/security_center/static/9774.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/5069",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/5405",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The kqueue mechanism in FreeBSD 4.3 through 4.6 STABLE allows local users to cause a denial of service (kernel panic) via a pipe call in which one end is terminated and an EVFILT_WRITE filter is registered for the other end."
    }
  ],
  "lastModified": "2026-06-16T21:58:13.043",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:4.3:release:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9062BAB5-D437-49BE-A384-39F62434B70B"
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:4.4:release:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "41AF7A5F-3CB3-4CE9-B7AF-20338D15EFEF"
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:4.5:release:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3D41CB12-7894-4D25-80EC-23C56171D973"
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:4.6:release:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "118211EF-CED7-4EB5-9669-F54C8169D4AE"
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:4.6:stable:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9A405AE2-ECC4-4BB0-80DD-4736394FB217"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}