CVE-2009-2793 (GCVE-0-2009-2793)

Vulnerability from cvelistv5 – Published: 2009-09-18 22:00 – Updated: 2024-08-07 06:07
VLAI
Summary
The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://www.securityfocus.com/archive/1/506531/100… mailing-listx_refsource_BUGTRAQ
Date Public
2009-09-16 00:00
Show details on NVD website

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            "value": "The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits."
          },
          {
            "lang": "es",
            "value": "El kernel en NetBSD, posiblemente 5.0.1 y anteriores, en plataformas x86 no gestiona adecuadamente el fallo de preasignaci\u00f3n de la instrucci\u00f3n \"iret\", lo que permitir\u00eda a usuarios locales conseguir privilegios a trav\u00e9s de vectores relacionados con la variable de pseudoc\u00f3digo tempEIP que esta fuera de los limites de segmento de c\u00f3digo."
          }
        ],
        "id": "CVE-2009-2793",
        "lastModified": "2026-04-23T00:35:47.467",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 4.6,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": true,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2009-09-18T22:30:00.530",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://www.securityfocus.com/archive/1/506531/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/506531/100/0/threaded"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-264"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.

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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.


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