{
  "document" : {
    "aggregate_severity" : {
      "text" : "mittel"
    },
    "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 lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "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-2022-0226 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0226.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-0226 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0226"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3642-1 vom 2021-11-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009708.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3640-1 vom 2021-11-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009710.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3641-1 vom 2021-11-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009709.html"
    }, {
      "category" : "external",
      "summary" : "Mailing list \"OSS Security\" vom 2021-10-28",
      "url" : "http://seclists.org/oss-sec/2021/q4/67"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5139-1 vom 2021-11-11",
      "url" : "https://ubuntu.com/security/notices/USN-5139-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3658-1 vom 2021-11-11",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009719.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3655-1 vom 2021-11-11",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009720.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3675-1 vom 2021-11-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009734.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3754-1 vom 2021-11-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009757.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5165-1 vom 2021-12-01",
      "url" : "https://ubuntu.com/security/notices/USN-5165-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5210-1 vom 2022-01-06",
      "url" : "https://ubuntu.com/security/notices/USN-5210-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5208-1 vom 2022-01-06",
      "url" : "https://ubuntu.com/security/notices/USN-5208-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5218-1 vom 2022-01-11",
      "url" : "https://ubuntu.com/security/notices/USN-5218-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5210-2 vom 2022-01-12",
      "url" : "https://ubuntu.com/security/notices/USN-5210-2"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2022-1988 vom 2022-05-17",
      "url" : "https://linux.oracle.com/errata/ELSA-2022-1988.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2022:4956 vom 2022-06-09",
      "url" : "https://access.redhat.com/errata/RHSA-2022:4956"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2022:1988 vom 2022-05-10",
      "url" : "https://access.redhat.com/errata/RHSA-2022:1988"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2022:5483 vom 2022-07-01",
      "url" : "https://access.redhat.com/errata/RHSA-2022:5483"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:2010-1 vom 2024-06-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018711.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:2008-1 vom 2024-06-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018706.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:2183-1 vom 2024-06-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018808.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:2185-1 vom 2024-06-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018809.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:2189-1 vom 2024-06-25",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018811.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-06-24T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:27:27.106+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2022-0226",
      "initial_release_date" : "2021-10-27T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-10-27T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-11-09T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-11-10T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-11-11T23:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-11-16T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-11-21T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-11-30T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-01-05T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-01-10T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-01-12T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-05-10T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-05-17T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2022-06-08T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-07-03T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-06-12T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2024-06-24T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "16"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "powerpc >=5.2",
          "product" : {
            "name" : "Open Source Linux Kernel powerpc >=5.2",
            "product_id" : "T020849"
          }
        } ],
        "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-2021-43056",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel auf PowerPC Architekturen, wenn KVM als Hypervisor benutzt wird. Grund ist ein Fehler in \"idle_kvm_start_guest()\". Ein Angreifer aus einer KVM Gastmaschine kann dies ausnutzen, um einen Denial of Service Zustand des Hostsystems auszulösen."
    } ],
    "product_status" : {
      "known_affected" : [ "T002207", "67646", "T000126", "T004914" ]
    },
    "release_date" : "2021-10-27T22:00:00.000+00:00",
    "title" : "CVE-2021-43056"
  } ]
}