{
  "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-2022-0219 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0219.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-0219 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0219"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugzilla - Bug 1999675 vom 2021-09-01",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1999675"
    }, {
      "category" : "external",
      "summary" : "PoC + Patch",
      "url" : "https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive@gmail.com/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3178-1 vom 2021-09-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009473.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3179-1 vom 2021-09-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009475.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3177-1 vom 2021-09-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009470.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3192-1 vom 2021-09-22",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009486.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3217-1 vom 2021-09-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009503.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3205-1 vom 2021-09-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009505.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3206-1 vom 2021-09-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009499.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3207-1 vom 2021-09-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009508.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3387-1 vom 2021-10-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009583.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3415-1 vom 2021-10-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009591.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3205-2 vom 2021-10-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009590.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5117-1 vom 2021-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-5117-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5115-1 vom 2021-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-5115-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5120-1 vom 2021-10-22",
      "url" : "https://ubuntu.com/security/notices/USN-5120-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5136-1 vom 2021-11-09",
      "url" : "https://ubuntu.com/security/notices/USN-5136-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5137-1 vom 2021-11-09",
      "url" : "https://ubuntu.com/security/notices/USN-5137-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5135-1 vom 2021-11-09",
      "url" : "https://ubuntu.com/security/notices/USN-5135-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5137-2 vom 2021-11-11",
      "url" : "https://ubuntu.com/security/notices/USN-5137-2"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:3876-1 vom 2021-12-02",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009810.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" : "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-2022:5483 vom 2022-07-01",
      "url" : "https://access.redhat.com/errata/RHSA-2022:5483"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2022-023 vom 2022-12-08",
      "url" : "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-023.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2KERNEL-5.4-2022-039 vom 2022-12-14",
      "url" : "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2022-039.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3244 vom 2022-12-22",
      "url" : "https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2024-12868 vom 2024-12-09",
      "url" : "https://linux.oracle.com/errata/ELSA-2024-12868.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-12-09T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-12-10T09:53:52.805+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.10"
        }
      },
      "id" : "WID-SEC-W-2022-0219",
      "initial_release_date" : "2021-08-31T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-08-31T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-09-21T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-09-22T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-09-23T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-10-12T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-10-13T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-10-20T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-10-21T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-11-08T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-11-10T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-12-02T23:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-05-10T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-05-17T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2022-06-08T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-07-03T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-12-08T23:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2022-12-14T23:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2022-12-22T23:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2024-12-09T23:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      } ],
      "status" : "final",
      "version" : "19"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Amazon Linux 2",
        "product" : {
          "name" : "Amazon Linux 2",
          "product_id" : "398363",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:amazon:linux_2:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Amazon"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Debian Linux",
        "product" : {
          "name" : "Debian Linux",
          "product_id" : "2951",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:debian:debian_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "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-2021-3759",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel bezüglich des \"memcg subsystem\" in \"ipc/sem.c\". Die Funktion \"semget\" kann beliebig oft aufgerufen werden, ohne dass ein Accounting stattfindet. Ein lokaler Angreifer kann dies für einen Denial of Service Angriff ausnutzen."
    } ],
    "product_status" : {
      "known_affected" : [ "2951", "T002207", "67646", "6368", "T000126", "398363", "T004914" ]
    },
    "release_date" : "2021-08-31T22:00:00.000+00:00",
    "title" : "CVE-2021-3759"
  } ]
}