{
  "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 mehrere Schwachstellen im Linux Kernel ausnutzen, um seine Privilegien zu erhöhen, einen Denial of Service Zustan herbeizuführen oder Informationen offenzulegen.",
      "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-2022-0239 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0239.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-0239 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0239"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2232-1 vom 2023-05-17",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014918.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:1848-1 vom 2023-04-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014466.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6001-1 vom 2023-04-06",
      "url" : "https://ubuntu.com/security/notices/USN-6001-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:0852-1 vom 2023-03-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014114.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:0768-1 vom 2023-03-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014072.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:0747-1 vom 2023-03-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014045.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:0634-1 vom 2023-03-07",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-March/013982.html"
    }, {
      "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" : "NIST Database vom 2022-04-07",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-4202"
    }, {
      "category" : "external",
      "summary" : "NIST Database vom 2022-04-07",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-4203"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2022-9348 vom 2022-05-03",
      "url" : "https://linux.oracle.com/errata/ELSA-2022-9348.html"
    }, {
      "category" : "external",
      "summary" : "ORACLE OVMSA-2022-0014 vom 2022-05-04",
      "url" : "https://oss.oracle.com/pipermail/oraclevm-errata/2022-May/001052.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2022:1975 vom 2022-05-10",
      "url" : "https://access.redhat.com/errata/RHSA-2022:1975"
    }, {
      "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" : "Ubuntu Security Notice USN-5500-1 vom 2022-07-01",
      "url" : "https://ubuntu.com/security/notices/USN-5500-1"
    }, {
      "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" : "Ubuntu Security Notice USN-5505-1 vom 2022-07-07",
      "url" : "https://ubuntu.com/security/notices/USN-5505-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5513-1 vom 2022-07-13",
      "url" : "https://ubuntu.com/security/notices/USN-5513-1"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2022:5633 vom 2022-07-20",
      "url" : "https://access.redhat.com/errata/RHSA-2022:5633"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2022:5626 vom 2022-07-20",
      "url" : "https://access.redhat.com/errata/RHSA-2022:5626"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3265-1 vom 2022-09-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012231.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3264-1 vom 2022-09-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012229.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3274-1 vom 2022-09-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012234.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3282-1 vom 2022-09-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012250.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3291-1 vom 2022-09-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012271.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3408-1 vom 2022-09-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012386.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3422-1 vom 2022-09-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012397.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3450-1 vom 2022-09-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012439.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3609-1 vom 2022-10-18",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-October/012557.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3809-1 vom 2022-10-31",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-October/012771.html"
    }, {
      "category" : "external",
      "summary" : "NetApp Security Advisory NTAP-20221111-0003 vom 2022-11-11",
      "url" : "https://security.netapp.com/advisory/ntap-20221111-0003/"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2023-05-18T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:27:33.497+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2022-0239",
      "initial_release_date" : "2022-04-07T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2022-04-07T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2022-05-03T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2022-05-04T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von ORACLE aufgenommen"
      }, {
        "date" : "2022-05-10T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-05-17T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2022-06-08T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-07-03T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu und Red Hat aufgenommen"
      }, {
        "date" : "2022-07-06T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-07-13T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-07-19T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-09-14T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-09-15T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-09-18T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-09-26T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-09-27T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-09-28T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-10-18T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-10-31T23:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-11-10T23:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von NetApp aufgenommen"
      }, {
        "date" : "2023-03-07T23:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-03-15T23:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-03-16T23:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-03-21T23:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-04-05T22:00:00.000+00:00",
        "number" : "24",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-04-16T22:00:00.000+00:00",
        "number" : "25",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-05-18T22:00:00.000+00:00",
        "number" : "26",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "26"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "NetApp ActiveIQ Unified Manager",
        "product" : {
          "name" : "NetApp ActiveIQ Unified Manager",
          "product_id" : "658714",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:netapp:active_iq_unified_manager:-::~~~vmware_vsphere~~"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "NetApp"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel",
        "product" : {
          "name" : "Open Source Linux Kernel",
          "product_id" : "6368",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:linux: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-2021-4202",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel. Ein Use-after-Free-Fehler besteht in \"nci_request in net/nfc/nci/core.c\". In Folge ist eine Privilegieneskalation möglich. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern."
    } ],
    "product_status" : {
      "known_affected" : [ "T002207", "67646", "6368", "T000126", "658714", "T004914" ]
    },
    "release_date" : "2022-04-07T22:00:00.000+00:00",
    "title" : "CVE-2021-4202"
  }, {
    "cve" : "CVE-2021-4203",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel. Ein Use-after-Free-Fehler besteht in \"sock_getsockopt() in net/core/sock.c\", aufgrund einer Race-Condition. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuführen oder Informationen offenzulegen."
    } ],
    "product_status" : {
      "known_affected" : [ "T002207", "67646", "6368", "T000126", "658714", "T004914" ]
    },
    "release_date" : "2022-04-07T22:00:00.000+00:00",
    "title" : "CVE-2021-4203"
  } ]
}