{
  "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 eine Schwachstelle in Linux Kernel ausnutzen, um einen Denial of Service Zustand zu verursachen oder möglicherweise zu weiteren Angriffen mit nicht spezifizierten Auswirkungen nutzen.",
      "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-2023-0526 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2018/wid-sec-w-2023-0526.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-0526 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0526"
    }, {
      "category" : "external",
      "summary" : "National Vulnerability Database #CVE-2017-18017 vom 2018-01-03",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-18017"
    }, {
      "category" : "external",
      "summary" : "F5 Security Advisory K18352029 vom 2018-01-16",
      "url" : "https://support.f5.com/csp/article/K18352029"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2018:0383-1 vom 2018-02-08",
      "url" : "https://www.suse.com/support/update/announcement/2018/suse-su-20180383-1.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2018:0416-1 vom 2018-02-10",
      "url" : "https://www.suse.com/support/update/announcement/2018/suse-su-20180416-1.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2018:0482-1 vom 2018-02-20",
      "url" : "https://www.suse.com/support/update/announcement/2018/suse-su-20180482-1.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-3583-1 vom 2018-02-23",
      "url" : "http://www.ubuntu.com/usn/usn-3583-2/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2018:0555-1 vom 2018-02-28",
      "url" : "https://www.suse.com/support/update/announcement/2018/suse-su-20180555-1.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2018:0660-1 vom 2018-03-12",
      "url" : "https://www.suse.com/support/update/announcement/2018/suse-su-20180660-1.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2018:0834-1 vom 2018-03-29",
      "url" : "https://www.suse.com/support/update/announcement/2018/suse-su-20180834-1.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2018:0841-1 vom 2018-03-29",
      "url" : "https://www.suse.com/support/update/announcement/2018/suse-su-20180841-1.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2018:0848-1 vom 2018-03-30",
      "url" : "https://www.suse.com/support/update/announcement/2018/suse-su-20180848-1.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2018:1170 vom 2018-04-17",
      "url" : "https://access.redhat.com/errata/RHSA-2018:1170"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2018:1130 vom 2018-04-17",
      "url" : "https://access.redhat.com/errata/RHSA-2018:1130"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2018:0986-1 vom 2018-04-19",
      "url" : "https://www.suse.com/support/update/announcement/2018/suse-su-20180986-1.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2018-1854 vom 2018-06-26",
      "url" : "http://linux.oracle.com/errata/ELSA-2018-1854.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2018-4161 vom 2018-07-10",
      "url" : "http://linux.oracle.com/errata/ELSA-2018-4161.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2018-4268 vom 2018-11-08",
      "url" : "http://linux.oracle.com/errata/ELSA-2018-4268.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2019-4316 vom 2019-01-04",
      "url" : "http://linux.oracle.com/errata/ELSA-2019-4316.html"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 872364 vom 2023-03-01",
      "url" : "https://www.ibm.com/support/pages/node/872364"
    }, {
      "category" : "external",
      "summary" : "NetApp Security Advisory NTAP-20250103-0010 vom 2025-09-11",
      "url" : "https://security.netapp.com/advisory/NTAP-20250103-0010"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2025-09-11T22:00:00.000+00:00",
      "generator" : {
        "date" : "2025-09-12T06:56:08.028+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.4.0"
        }
      },
      "id" : "WID-SEC-W-2023-0526",
      "initial_release_date" : "2018-01-02T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2018-01-02T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initial Release"
      }, {
        "date" : "2018-01-02T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Version nicht vorhanden"
      }, {
        "date" : "2018-01-16T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-02-07T23:00:00.000+00:00",
        "number" : "4",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-02-11T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-02-19T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-02-25T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-02-27T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-03-12T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-03-12T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Version nicht vorhanden"
      }, {
        "date" : "2018-03-28T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-04-02T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-04-17T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-04-17T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-04-19T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-06-26T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-07-10T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "New remediations available"
      }, {
        "date" : "2018-11-08T23:00:00.000+00:00",
        "number" : "18",
        "summary" : "New remediations available"
      }, {
        "date" : "2019-01-06T23:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2023-02-28T23:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von IBM aufgenommen"
      }, {
        "date" : "2025-09-11T22:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von NetApp aufgenommen"
      } ],
      "status" : "final",
      "version" : "21"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "6.2.0-6.4.0",
          "product" : {
            "name" : "F5 ARX 6.2.0-6.4.0",
            "product_id" : "T008466",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:f5:arx:6.2.0_-_6.4.0"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "ARX"
      } ],
      "category" : "vendor",
      "name" : "F5"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "IBM FlashSystem",
        "product" : {
          "name" : "IBM FlashSystem",
          "product_id" : "T025159",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:ibm:flashsystem:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "IBM SAN Volume Controller",
        "product" : {
          "name" : "IBM SAN Volume Controller",
          "product_id" : "T002782",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:ibm:san_volume_controller:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "IBM Storwize",
        "product" : {
          "name" : "IBM Storwize",
          "product_id" : "T021621",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:ibm:storwize:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "IBM"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "NetApp AFF",
        "product" : {
          "name" : "NetApp AFF",
          "product_id" : "T020536",
          "product_identification_helper" : {
            "cpe" : "cpe:/h:netapp:aff:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "NetApp FAS",
        "product" : {
          "name" : "NetApp FAS",
          "product_id" : "T011540",
          "product_identification_helper" : {
            "cpe" : "cpe:/h:netapp:fas:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "NetApp"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<4.11",
          "product" : {
            "name" : "Open Source Linux Kernel <4.11",
            "product_id" : "T009462"
          }
        }, {
          "category" : "product_version",
          "name" : "4.11",
          "product" : {
            "name" : "Open Source Linux Kernel 4.11",
            "product_id" : "T009462-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:4.11"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "4.9.x-4.9.35",
          "product" : {
            "name" : "Open Source Linux Kernel 4.9.x-4.9.35",
            "product_id" : "T011489",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:4.9.x_-_4.9.35"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Linux Kernel"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Oracle Linux",
        "product" : {
          "name" : "Oracle Linux",
          "product_id" : "T004914",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:oracle:linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Oracle"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Red Hat Enterprise Linux",
        "product" : {
          "name" : "Red Hat Enterprise Linux",
          "product_id" : "67646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:redhat:enterprise_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T002207",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    }, {
      "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-2017-18017",
    "product_status" : {
      "known_affected" : [ "T021621", "T008466", "T002782", "T002207", "T011489", "67646", "T020536", "T000126", "T011540", "T009462", "T025159", "T004914" ]
    },
    "release_date" : "2018-01-02T23:00:00.000+00:00",
    "title" : "CVE-2017-18017"
  } ]
}