{
  "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 f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2022-2392 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2022-2392.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-2392 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2392"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 6851393 vom 2022-12-23",
        "url": "https://www.ibm.com/support/pages/node/6851393"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 6848581 vom 2022-12-22",
        "url": "https://www.ibm.com/support/pages/node/6848581"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:1531 vom 2021-05-11",
        "url": "https://access.redhat.com/errata/RHSA-2021:1531"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2021-021 vom 2021-03-31",
        "url": "https://downloads.avaya.com/css/P8/documents/101074878"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2020-11-16",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25705"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3484-1 vom 2020-11-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007841.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3491-1 vom 2020-11-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007842.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3503-1 vom 2020-11-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007846.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3507-1 vom 2020-11-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007848.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3507-1 vom 2020-11-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007849.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3512-1 vom 2020-11-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007853.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3522-1 vom 2020-11-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007856.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3513-1 vom 2020-11-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007854.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3544-1 vom 2020-11-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007876.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3544-1 vom 2020-11-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007878.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3532-1 vom 2020-11-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007871.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3532-1 vom 2020-11-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007874.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4659-1 vom 2020-12-02",
        "url": "https://ubuntu.com/security/notices/USN-4659-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4657-1 vom 2020-12-02",
        "url": "https://ubuntu.com/security/notices/USN-4657-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4658-1 vom 2020-12-02",
        "url": "https://ubuntu.com/security/notices/USN-4658-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3670-1 vom 2020-12-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/007929.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3690-1 vom 2020-12-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/007926.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3651-1 vom 2020-12-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/007930.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3717-1 vom 2020-12-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/007942.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3717-1 vom 2020-12-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/007940.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2483 vom 2020-12-10",
        "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3748-1 vom 2020-12-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/007962.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3748-1 vom 2020-12-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/007964.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4659-2 vom 2020-12-14",
        "url": "https://ubuntu.com/security/notices/USN-4659-2"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3764-1 vom 2020-12-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/007977.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4658-2 vom 2020-12-14",
        "url": "https://ubuntu.com/security/notices/USN-4658-2"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2494 vom 2020-12-18",
        "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
      },
      {
        "category": "external",
        "summary": "F5 Security Advisory K09604370 vom 2020-12-23",
        "url": "https://support.f5.com/csp/article/K09604370"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4680-1 vom 2021-01-06",
        "url": "https://ubuntu.com/security/notices/USN-4680-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9002 vom 2021-01-07",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9002.html"
      },
      {
        "category": "external",
        "summary": "ORACLE OVMSA-2021-0001 vom 2021-01-08",
        "url": "https://oss.oracle.com/pipermail/oraclevm-errata/2021-January/001008.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9007 vom 2021-01-13",
        "url": "http://linux.oracle.com/errata/ELSA-2021-9007.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9008 vom 2021-01-12",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9008.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9006 vom 2021-01-12",
        "url": "http://linux.oracle.com/errata/ELSA-2021-9006.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9005 vom 2021-01-13",
        "url": "http://linux.oracle.com/errata/ELSA-2021-9005.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0558 vom 2021-02-16",
        "url": "https://access.redhat.com/errata/RHSA-2021:0558"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0537 vom 2021-02-16",
        "url": "https://access.redhat.com/errata/RHSA-2021:0537"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-0558 vom 2021-02-17",
        "url": "https://linux.oracle.com/errata/ELSA-2021-0558.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0686 vom 2021-03-02",
        "url": "https://access.redhat.com/errata/RHSA-2021:0686"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:2164 vom 2021-06-01",
        "url": "https://access.redhat.com/errata/RHSA-2021:2164"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0774 vom 2021-03-09",
        "url": "https://access.redhat.com/errata/RHSA-2021:0774"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0765 vom 2021-03-09",
        "url": "https://access.redhat.com/errata/RHSA-2021:0765"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0856 vom 2021-03-16",
        "url": "https://access.redhat.com/errata/RHSA-2021:0856"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0857 vom 2021-03-16",
        "url": "https://access.redhat.com/errata/RHSA-2021:0857"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-0856 vom 2021-03-18",
        "url": "http://linux.oracle.com/errata/ELSA-2021-0856.html"
      },
      {
        "category": "external",
        "summary": "CentOS Security Advisory CESA-2021:0856 vom 2021-03-19",
        "url": "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2021-0856-Important-CentOS-7-kernel-Security-Update-tp4646164.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:2355 vom 2021-06-09",
        "url": "https://access.redhat.com/errata/RHSA-2021:2355"
      },
      {
        "category": "external",
        "summary": "Juniper Security Advisory JSA11206 vom 2021-07-14",
        "url": "https://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA11206\u0026cat=SIRT_1"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2022-12-22T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:07:52.061+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-2392",
      "initial_release_date": "2020-11-16T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2020-11-16T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2020-11-23T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-11-24T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-11-25T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-11-26T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-12-01T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2020-12-07T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-12-09T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-12-10T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Debian und SUSE aufgenommen"
        },
        {
          "date": "2020-12-13T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu und SUSE aufgenommen"
        },
        {
          "date": "2020-12-20T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2020-12-23T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von F5 aufgenommen"
        },
        {
          "date": "2021-01-05T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-01-07T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-01-10T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von ORACLE aufgenommen"
        },
        {
          "date": "2021-01-12T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-02-16T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-02-17T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-03-01T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-03-08T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-03-16T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-03-17T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-03-18T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von CentOS aufgenommen"
        },
        {
          "date": "2021-04-05T22:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2021-05-11T22:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-05-31T22:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-06-08T22:00:00.000+00:00",
          "number": "27",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-07-14T22:00:00.000+00:00",
          "number": "28",
          "summary": "Neue Updates von Juniper aufgenommen"
        },
        {
          "date": "2022-12-21T23:00:00.000+00:00",
          "number": "29",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2022-12-22T23:00:00.000+00:00",
          "number": "30",
          "summary": "Neue Updates von IBM aufgenommen"
        }
      ],
      "status": "final",
      "version": "30"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
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            "category": "product_name",
            "name": "Avaya Aura Application Enablement Services",
            "product": {
              "name": "Avaya Aura Application Enablement Services",
              "product_id": "T015516",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:aura_application_enablement_services:-"
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            "product": {
              "name": "Avaya Aura Communication Manager",
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                "cpe": "cpe:/a:avaya:communication_manager:-"
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            "product": {
              "name": "Avaya Aura Session Manager",
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            "product": {
              "name": "Avaya Web License Manager",
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            "category": "product_name",
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              "product_identification_helper": {
                "cpe": "cpe:/a:f5:big-ip:-"
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        "branches": [
          {
            "branches": [
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                "category": "product_name",
                "name": "IBM DataPower Gateway 10.0.1.11",
                "product": {
                  "name": "IBM DataPower Gateway 10.0.1.11",
                  "product_id": "T025691",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:datapower_gateway:10.0.1.11"
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                "category": "product_name",
                "name": "IBM DataPower Gateway 2018.4.1.24",
                "product": {
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                  "product_id": "T025692",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:datapower_gateway:2018.4.1.24"
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            "category": "product_name",
            "name": "DataPower Gateway"
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            "branches": [
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                "category": "product_name",
                "name": "IBM MQ Appliance 9.2 CD",
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                  "name": "IBM MQ Appliance 9.2 CD",
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              {
                "category": "product_name",
                "name": "IBM MQ Appliance 9.2 LTS",
                "product": {
                  "name": "IBM MQ Appliance 9.2 LTS",
                  "product_id": "T023855",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:mq:appliance_9.2_lts"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "MQ"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Juniper JUNOS",
            "product": {
              "name": "Juniper JUNOS",
              "product_id": "5930",
              "product_identification_helper": {
                "cpe": "cpe:/o:juniper:junos:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Juniper"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source CentOS",
            "product": {
              "name": "Open Source CentOS",
              "product_id": "1727",
              "product_identification_helper": {
                "cpe": "cpe:/o:centos:centos:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel \u003c 5.10",
            "product": {
              "name": "Open Source Linux Kernel \u003c 5.10",
              "product_id": "T017707",
              "product_identification_helper": {
                "cpe": "cpe:/o:linux:linux_kernel:5.10"
              }
            }
          }
        ],
        "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-2020-25705",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Aufgrund einer ungen\u00fcgenden Einschr\u00e4nkung von ICMP Paketen k\u00f6nnen UDP Ports schnell gescannt werden. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um die UDP-Randomisierung des Quellport-UDP effektiv zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T025691",
          "T015518",
          "67646",
          "T015516",
          "T015127",
          "T015126",
          "T004914",
          "T016243",
          "2951",
          "T002207",
          "T000126",
          "T023854",
          "T023855",
          "5930",
          "T001663",
          "1727",
          "T025692"
        ]
      },
      "release_date": "2020-11-16T23:00:00Z",
      "title": "CVE-2020-25705"
    }
  ]
}