{
  "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 lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Systemrechte zu erlangen und einen Denial of Service Zustand herzustellen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX",
      "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-2022-0609 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0609.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-0609 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0609"
    }, {
      "category" : "external",
      "summary" : "Github Linux Kernel vom 2021-07-07",
      "url" : "https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugzilla - Bug 1980101 vom 2021-07-07",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1980101"
    }, {
      "category" : "external",
      "summary" : "Security Research CVE-2021-22555 vom 2021-07-16",
      "url" : "https://google.github.io/security-research/pocs/linux/cve-2021-22555/writeup.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2407-1 vom 2021-07-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009167.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2408-1 vom 2021-07-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009160.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2406-1 vom 2021-07-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009166.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2416-1 vom 2021-07-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009169.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2415-1 vom 2021-07-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009170.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2409-1 vom 2021-07-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009164.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2421-1 vom 2021-07-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009183.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2427-1 vom 2021-07-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009190.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2422-1 vom 2021-07-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009191.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2438-1 vom 2021-07-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009194.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2451-1 vom 2021-07-22",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009203.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2487-1 vom 2021-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009222.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2538-1 vom 2021-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009221.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2542-1 vom 2021-07-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009226.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2560-1 vom 2021-07-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009230.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2559-1 vom 2021-07-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009233.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2577-1 vom 2021-07-30",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009234.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2584-1 vom 2021-08-02",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-August/009239.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9395 vom 2021-08-04",
      "url" : "http://linux.oracle.com/errata/ELSA-2021-9395.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2599-1 vom 2021-08-03",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-August/009244.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2599-2 vom 2021-08-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-August/009260.html"
    }, {
      "category" : "external",
      "summary" : "NetApp Security Advisory NTAP-20210805-0010 vom 2021-08-05",
      "url" : "https://security.netapp.com/advisory/ntap-20210805-0010/"
    }, {
      "category" : "external",
      "summary" : "ORACLE OVMSA-2021-0025 vom 2021-08-09",
      "url" : "https://oss.oracle.com/pipermail/oraclevm-errata/2021-August/001026.html"
    }, {
      "category" : "external",
      "summary" : "ORACLE OVMSA-2021-0025 vom 2021-08-09",
      "url" : "https://oss.oracle.com/pipermail/oraclevm-errata/2021-August/001027.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3044 vom 2021-08-10",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3044"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2643-1 vom 2021-08-10",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-August/009279.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3057 vom 2021-08-10",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3057"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3088 vom 2021-08-10",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3088"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-3057 vom 2021-08-12",
      "url" : "http://linux.oracle.com/errata/ELSA-2021-3057.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5039-1 vom 2021-08-13",
      "url" : "https://ubuntu.com/security/notices/USN-5039-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice LSN-0080-1 vom 2021-08-16",
      "url" : "https://ubuntu.com/security/notices/LSN-0080-1"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3173 vom 2021-08-17",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3173"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3181 vom 2021-08-17",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3181"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3235 vom 2021-08-20",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3235"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2021-108 vom 2021-08-25",
      "url" : "https://downloads.avaya.com/css/P8/documents/101077238"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3361 vom 2021-08-31",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3361"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3321 vom 2021-08-31",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3321"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3328 vom 2021-08-31",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3328"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3380 vom 2021-08-31",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3380"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3327 vom 2021-08-31",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3327"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3381 vom 2021-08-31",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3381"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3375 vom 2021-08-31",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3375"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3363 vom 2021-08-31",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3363"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3399 vom 2021-08-31",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3399"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-3327 vom 2021-09-01",
      "url" : "http://linux.oracle.com/errata/ELSA-2021-3327.html"
    }, {
      "category" : "external",
      "summary" : "CentOS Security Advisory CESA-2021:3327 vom 2021-09-01",
      "url" : "https://lists.centos.org/pipermail/centos-announce/2021-August/048356.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3262 vom 2021-09-01",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3262"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2021-110 vom 2021-09-02",
      "url" : "https://downloads.avaya.com/css/P8/documents/101077404"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2021-110 vom 2021-09-02",
      "url" : "https://downloads.avaya.com/css/P8/documents/101077405"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3454 vom 2021-09-08",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3454"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3477 vom 2021-09-09",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3477"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice LSN-0081-1 vom 2021-09-13",
      "url" : "https://ubuntu.com/security/notices/LSN-0081-1"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3523 vom 2021-09-14",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3523"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3522 vom 2021-09-14",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3522"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3598 vom 2021-09-21",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3598"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3653 vom 2021-09-23",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3653"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3725 vom 2021-10-05",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3725"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3814 vom 2021-10-12",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3814"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3812 vom 2021-10-12",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3812"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice LSN-0083-1 vom 2022-01-06",
      "url" : "https://ubuntu.com/security/notices/LSN-0083-1"
    }, {
      "category" : "external",
      "summary" : "F5 Security Advisory K06524534 vom 2022-07-07",
      "url" : "https://support.f5.com/csp/article/K06524534"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2025:17733 vom 2025-10-11",
      "url" : "https://access.redhat.com/errata/RHSA-2025:17733"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Erlangen von Systemrechten",
    "tracking" : {
      "current_release_date" : "2025-10-12T22:00:00.000+00:00",
      "generator" : {
        "date" : "2025-10-13T08:54:57.208+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.4.0"
        }
      },
      "id" : "WID-SEC-W-2022-0609",
      "initial_release_date" : "2021-07-07T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-07-07T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-07-15T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "PoC hinzugefügt"
      }, {
        "date" : "2021-07-20T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-21T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-22T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-27T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-28T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-29T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-08-01T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-08-02T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-08-03T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Oracle Linux und SUSE aufgenommen"
      }, {
        "date" : "2021-08-05T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von SUSE und NetApp aufgenommen"
      }, {
        "date" : "2021-08-09T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von ORACLE aufgenommen"
      }, {
        "date" : "2021-08-10T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von SUSE und Red Hat aufgenommen"
      }, {
        "date" : "2021-08-11T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2021-08-12T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-08-16T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von Ubuntu und Red Hat aufgenommen"
      }, {
        "date" : "2021-08-19T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-08-26T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von AVAYA aufgenommen"
      }, {
        "date" : "2021-08-30T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-08-31T22:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von Red Hat und Oracle Linux aufgenommen"
      }, {
        "date" : "2021-09-01T22:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von CentOS und Red Hat aufgenommen"
      }, {
        "date" : "2021-09-05T22:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von AVAYA aufgenommen"
      }, {
        "date" : "2021-09-07T22:00:00.000+00:00",
        "number" : "24",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-09-08T22:00:00.000+00:00",
        "number" : "25",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-09-13T22:00:00.000+00:00",
        "number" : "26",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-09-20T22:00:00.000+00:00",
        "number" : "27",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-09-23T22:00:00.000+00:00",
        "number" : "28",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-10-04T22:00:00.000+00:00",
        "number" : "29",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-10-12T22:00:00.000+00:00",
        "number" : "30",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-01-06T23:00:00.000+00:00",
        "number" : "31",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-07-07T22:00:00.000+00:00",
        "number" : "32",
        "summary" : "Neue Informationen von F5 aufgenommen"
      }, {
        "date" : "2025-10-12T22:00:00.000+00:00",
        "number" : "33",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      } ],
      "status" : "final",
      "version" : "33"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "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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        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Aura Communication Manager",
        "product" : {
          "name" : "Avaya Aura Communication Manager",
          "product_id" : "T015126",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:communication_manager:-"
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      }, {
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          "product_identification_helper" : {
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        }
      }, {
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        }
      } ],
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        "name" : "F5 BIG-IP",
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        } ],
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      "category" : "vendor",
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  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2021-22555",
    "product_status" : {
      "known_affected" : [ "T015519", "T015518", "67646", "T015516", "T011540", "T015127", "T015126", "T004914", "T019256", "T016243", "T002207", "T000126", "T001663", "1727" ]
    },
    "release_date" : "2021-07-07T22:00:00.000+00:00",
    "title" : "CVE-2021-22555"
  } ]
}