{
  "document" : {
    "aggregate_severity" : {
      "text" : "hoch"
    },
    "category" : "csaf_base",
    "csaf_version" : "2.0",
    "distribution" : {
      "tlp" : {
        "label" : "WHITE",
        "url" : "https://www.first.org/tlp/"
      }
    },
    "lang" : "de-DE",
    "notes" : [ {
      "category" : "legal_disclaimer",
      "text" : "Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen."
    }, {
      "category" : "description",
      "text" : "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service-Zustand herbeizuführen, Informationen offenzulegen, Sicherheitsvorkehrungen zu umgehen, Privilegien zu erweitern und beliebigen Code auszuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2023-1255 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1255.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-1255 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1255"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-693/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-694/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-695/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-696/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-697/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-698/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-699/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-700/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-701/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-702/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-703/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-704/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-705/"
    }, {
      "category" : "external",
      "summary" : "Zero Day Initiative vom 2023-05-17",
      "url" : "https://www.zerodayinitiative.com/advisories/ZDI-23-706/"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6173-1 vom 2023-06-16",
      "url" : "https://ubuntu.com/security/notices/USN-6173-1"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-5448 vom 2023-07-06",
      "url" : "https://www.debian.org/security/2023/dsa-5448"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6283-1 vom 2023-08-11",
      "url" : "https://ubuntu.com/security/notices/USN-6283-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6300-1 vom 2023-08-17",
      "url" : "https://ubuntu.com/security/notices/USN-6300-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6311-1 vom 2023-08-29",
      "url" : "https://ubuntu.com/security/notices/USN-6311-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6332-1 vom 2023-09-01",
      "url" : "https://ubuntu.com/security/notices/USN-6332-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6338-1 vom 2023-09-06",
      "url" : "https://ubuntu.com/security/notices/USN-6338-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6344-1 vom 2023-09-06",
      "url" : "https://ubuntu.com/security/notices/USN-6344-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6347-1 vom 2023-09-06",
      "url" : "https://ubuntu.com/security/notices/USN-6347-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6338-2 vom 2023-09-09",
      "url" : "https://ubuntu.com/security/notices/USN-6338-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6626-1 vom 2024-02-08",
      "url" : "https://ubuntu.com/security/notices/USN-6626-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6628-1 vom 2024-02-09",
      "url" : "https://ubuntu.com/security/notices/USN-6628-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6626-2 vom 2024-02-14",
      "url" : "https://ubuntu.com/security/notices/USN-6626-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6628-2 vom 2024-02-15",
      "url" : "https://ubuntu.com/security/notices/USN-6628-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6626-3 vom 2024-02-16",
      "url" : "https://ubuntu.com/security/notices/USN-6626-3"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6705-1 vom 2024-03-20",
      "url" : "https://ubuntu.com/security/notices/USN-6705-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6704-1 vom 2024-03-20",
      "url" : "https://ubuntu.com/security/notices/USN-6704-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6704-2 vom 2024-03-21",
      "url" : "https://ubuntu.com/security/notices/USN-6704-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6704-3 vom 2024-03-26",
      "url" : "https://ubuntu.com/security/notices/USN-6704-3"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6704-4 vom 2024-03-28",
      "url" : "https://ubuntu.com/security/notices/USN-6704-4"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6725-1 vom 2024-04-09",
      "url" : "https://ubuntu.com/security/notices/USN-6725-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6725-2 vom 2024-04-16",
      "url" : "https://ubuntu.com/security/notices/USN-6725-2"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel (ksmbd): Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2025-08-03T22:00:00.000+00:00",
      "generator" : {
        "date" : "2025-08-04T11:04:23.814+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.4.0"
        }
      },
      "id" : "WID-SEC-W-2023-1255",
      "initial_release_date" : "2023-05-18T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-05-18T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-06-18T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-06-19T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Bereinigung doppelte Einträge"
      }, {
        "date" : "2023-07-05T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-08-13T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-08-17T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-08-28T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-08-31T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-09-03T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "doppelten Eintrag entfernt"
      }, {
        "date" : "2023-09-05T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-09-06T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-09-10T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-02-07T23:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-02-08T23:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-02-13T23:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-02-14T23:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-02-15T23:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-03-20T23:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-03-21T23:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-03-25T23:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-04-01T22:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-04-09T22:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-04-16T22:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2025-07-30T22:00:00.000+00:00",
        "number" : "24",
        "summary" : "Referenz(en) aufgenommen: EUVD-2023-34067"
      }, {
        "date" : "2025-07-31T22:00:00.000+00:00",
        "number" : "25",
        "summary" : "Referenz(en) aufgenommen: EUVD-2023-36508"
      }, {
        "date" : "2025-08-03T22:00:00.000+00:00",
        "number" : "26",
        "summary" : "Referenz(en) aufgenommen: EUVD-2023-36513, EUVD-2023-36512"
      } ],
      "status" : "final",
      "version" : "26"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Debian Linux",
        "product" : {
          "name" : "Debian Linux",
          "product_id" : "2951",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:debian:debian_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel",
        "product" : {
          "name" : "Open Source Linux Kernel",
          "product_id" : "T006656",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:linux:linux_kernel:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Ubuntu Linux",
        "product" : {
          "name" : "Ubuntu Linux",
          "product_id" : "T000126",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:canonical:ubuntu_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Ubuntu"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2023-2593",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-2593"
  }, {
    "cve" : "CVE-2023-32246",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32246"
  }, {
    "cve" : "CVE-2023-32247",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32247"
  }, {
    "cve" : "CVE-2023-32248",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32248"
  }, {
    "cve" : "CVE-2023-32249",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32249"
  }, {
    "cve" : "CVE-2023-32250",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32250"
  }, {
    "cve" : "CVE-2023-32251",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32251"
  }, {
    "cve" : "CVE-2023-32252",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32252"
  }, {
    "cve" : "CVE-2023-32253",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32253"
  }, {
    "cve" : "CVE-2023-32254",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32254"
  }, {
    "cve" : "CVE-2023-32255",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32255"
  }, {
    "cve" : "CVE-2023-32256",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32256"
  }, {
    "cve" : "CVE-2023-32257",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32257"
  }, {
    "cve" : "CVE-2023-32258",
    "product_status" : {
      "known_affected" : [ "2951", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-18T22:00:00.000+00:00",
    "title" : "CVE-2023-32258"
  } ]
}