{
  "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" : "- Appliance\n- CISCO Appliance",
      "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-2022-2095 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2022-2095.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-2095 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2095"
    }, {
      "category" : "external",
      "summary" : "Mailing list OSS-Security vom 2020-05-19",
      "url" : "http://seclists.org/oss-sec/2020/q2/129"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2020-0C0B5D9004 vom 2020-05-22",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2020-0c0b5d9004"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2020-320F05784E vom 2020-05-22",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2020-320f05784e"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:2665 vom 2020-06-23",
      "url" : "https://access.redhat.com/errata/RHSA-2020:2665"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:2664 vom 2020-06-23",
      "url" : "https://access.redhat.com/errata/RHSA-2020:2664"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:2832 vom 2020-07-07",
      "url" : "https://access.redhat.com/errata/RHSA-2020:2832"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:2831 vom 2020-07-07",
      "url" : "https://access.redhat.com/errata/RHSA-2020:2831"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:2851 vom 2020-07-07",
      "url" : "https://access.redhat.com/errata/RHSA-2020:2851"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:2854 vom 2020-07-07",
      "url" : "https://access.redhat.com/errata/RHSA-2020:2854"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2020-089 vom 2020-07-16",
      "url" : "https://downloads.avaya.com/css/P8/documents/101069427"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:3010 vom 2020-07-21",
      "url" : "https://access.redhat.com/errata/RHSA-2020:3010"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:3041 vom 2020-07-21",
      "url" : "https://access.redhat.com/errata/RHSA-2020:3041"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:3019 vom 2020-07-21",
      "url" : "https://access.redhat.com/errata/RHSA-2020:3019"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2027-1 vom 2020-07-23",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-July/007172.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:3194 vom 2020-07-28",
      "url" : "https://access.redhat.com/errata/RHSA-2020:3194"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:3222 vom 2020-07-29",
      "url" : "https://access.redhat.com/errata/RHSA-2020:3222"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:3230 vom 2020-07-30",
      "url" : "https://access.redhat.com/errata/RHSA-2020:3230"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2105-1 vom 2020-08-03",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007213.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2105-1 vom 2020-08-03",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007215.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2107-1 vom 2020-08-03",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007216.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2103-1 vom 2020-08-03",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007208.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2106-1 vom 2020-08-03",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007214.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2106-1 vom 2020-08-03",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007209.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2107-1 vom 2020-08-03",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007212.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2122-1 vom 2020-08-05",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007225.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2119-1 vom 2020-08-04",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007218.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2122-1 vom 2020-08-05",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007224.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2121-1 vom 2020-08-04",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007220.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2121-1 vom 2020-08-04",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007219.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2156-1 vom 2020-08-07",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-August/007238.html"
    }, {
      "category" : "external",
      "summary" : "ORACLE OVMSA-2020-0032 vom 2020-08-08",
      "url" : "https://oss.oracle.com/pipermail/oraclevm-errata/2020-August/000992.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2478-1 vom 2020-09-03",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-September/007345.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2020:2487-1 vom 2020-09-04",
      "url" : "http://lists.suse.com/pipermail/sle-security-updates/2020-September/007352.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4525-1 vom 2020-09-22",
      "url" : "https://usn.ubuntu.com/4525-1/"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4526-1 vom 2020-09-22",
      "url" : "https://usn.ubuntu.com/4526-1/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-2385 vom 2020-09-28",
      "url" : "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202009/msg00025.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-2420 vom 2020-10-30",
      "url" : "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202010/msg00032.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-2420 vom 2020-10-31",
      "url" : "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202010/msg00034.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9141 vom 2021-04-01",
      "url" : "http://linux.oracle.com/errata/ELSA-2021-9141.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9140 vom 2021-04-01",
      "url" : "http://linux.oracle.com/errata/ELSA-2021-9140.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALASKERNEL-5.4-2022-016 vom 2022-01-31",
      "url" : "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2022-016.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5361-1 vom 2022-04-01",
      "url" : "https://ubuntu.com/security/notices/USN-5361-1"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2022-9999 vom 2022-11-16",
      "url" : "http://linux.oracle.com/errata/ELSA-2022-9999.html"
    }, {
      "category" : "external",
      "summary" : "NetApp Security Advisory NTAP-20200608-0001 vom 2025-12-10",
      "url" : "https://security.netapp.com/advisory/NTAP-20200608-0001"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2025-12-09T23:00:00.000+00:00",
      "generator" : {
        "date" : "2025-12-10T07:50:55.338+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2022-2095",
      "initial_release_date" : "2020-05-19T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2020-05-19T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2020-05-21T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2020-06-01T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Referenz(en) aufgenommen: FEDORA-2020-5436586091"
      }, {
        "date" : "2020-06-23T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-07-06T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-07-07T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-07-15T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von AVAYA aufgenommen"
      }, {
        "date" : "2020-07-20T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-07-21T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-07-23T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2020-07-28T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-07-29T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-08-03T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2020-08-04T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2020-08-06T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2020-08-09T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von ORACLE aufgenommen"
      }, {
        "date" : "2020-09-03T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2020-09-06T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2020-09-21T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2020-09-28T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2020-11-01T23:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2021-03-31T22:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2022-01-30T23:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2022-03-31T22:00:00.000+00:00",
        "number" : "24",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-11-16T23:00:00.000+00:00",
        "number" : "25",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2025-12-09T23:00:00.000+00:00",
        "number" : "26",
        "summary" : "Neue Updates von NetApp aufgenommen"
      } ],
      "status" : "final",
      "version" : "26"
    }
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        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T002207",
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      "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-2020-12888",
    "product_status" : {
      "known_affected" : [ "T025152", "T015518", "T015517", "67646", "T015516", "T015824", "T015823", "T007849", "T015127", "T015126", "T004914", "T015520", "2951", "T002207", "T000126", "997", "398363" ],
      "last_affected" : [ "T016559" ]
    },
    "release_date" : "2020-05-19T22:00:00.000+00:00",
    "title" : "CVE-2020-12888"
  } ]
}