{
  "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, Sicherheitsvorkehrungen zu umgehen 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-2022-2071 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-2071.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-2071 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2071"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4977-1 vom 2021-06-02",
      "url" : "https://ubuntu.com/security/notices/USN-4977-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4983-1 vom 2021-06-03",
      "url" : "https://ubuntu.com/security/notices/USN-4983-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1573-1 vom 2021-05-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008764.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1595-1 vom 2021-05-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008769.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1572-1 vom 2021-05-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008763.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1574-1 vom 2021-05-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008767.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1571-1 vom 2021-05-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008760.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1596-1 vom 2021-05-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008770.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1605-1 vom 2021-05-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008775.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1915-1 vom 2021-06-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008971.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1912-1 vom 2021-06-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008974.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1913-1 vom 2021-06-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008973.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1622-1 vom 2021-05-17",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008778.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1624-1 vom 2021-05-18",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008781.html"
    }, {
      "category" : "external",
      "summary" : "Eintrag in der OSS Mailing-list vom 2021-04-18",
      "url" : "http://seclists.org/oss-sec/2021/q2/32"
    }, {
      "category" : "external",
      "summary" : "Eintrag in der OSS Mailing-list vom 2021-04-18",
      "url" : "https://seclists.org/oss-sec/2021/q2/34"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2021-1503 vom 2021-05-24",
      "url" : "https://alas.aws.amazon.com/ALAS-2021-1503.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1887-1 vom 2021-06-08",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008955.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1891-1 vom 2021-06-08",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008946.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1899-1 vom 2021-06-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008965.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9306 vom 2021-06-15",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9306.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9307 vom 2021-06-15",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9307.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1977-1 vom 2021-06-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009018.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1975-1 vom 2021-06-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009015.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-2690 vom 2021-06-23",
      "url" : "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4999-1 vom 2021-06-23",
      "url" : "https://ubuntu.com/security/notices/USN-4999-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5003-1 vom 2021-06-23",
      "url" : "https://ubuntu.com/security/notices/USN-5003-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5000-1 vom 2021-06-23",
      "url" : "https://ubuntu.com/security/notices/USN-5000-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4997-1 vom 2021-06-23",
      "url" : "https://ubuntu.com/security/notices/USN-4997-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5001-1 vom 2021-06-23",
      "url" : "https://ubuntu.com/security/notices/USN-5001-1"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-2689 vom 2021-06-23",
      "url" : "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5000-2 vom 2021-06-25",
      "url" : "https://ubuntu.com/security/notices/USN-5000-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4997-2 vom 2021-06-25",
      "url" : "https://ubuntu.com/security/notices/USN-4997-2"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9351 vom 2021-07-13",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9351.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9349 vom 2021-07-13",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9349.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2332-1 vom 2021-07-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009134.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2344-1 vom 2021-07-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009142.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2361-1 vom 2021-07-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009148.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2366-1 vom 2021-07-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009144.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2367-1 vom 2021-07-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009150.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9363 vom 2021-07-16",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9363.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9362 vom 2021-07-16",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9362.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2384-1 vom 2021-07-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009154.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2387-1 vom 2021-07-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009153.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2377-1 vom 2021-07-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009152.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-2021:2453-1 vom 2021-07-22",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009202.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:2460-1 vom 2021-07-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009209.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" : "Red Hat Security Advisory RHSA-2021:4356 vom 2021-11-09",
      "url" : "https://access.redhat.com/errata/RHSA-2021:4356"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:4140 vom 2021-11-10",
      "url" : "https://access.redhat.com/errata/RHSA-2021:4140"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALASKERNEL-5.4-2022-003 vom 2022-01-31",
      "url" : "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2022-003.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALASKERNEL-5.10-2022-001 vom 2022-01-31",
      "url" : "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-001.html"
    }, {
      "category" : "external",
      "summary" : "F5 Security Advisory K67416037 vom 2022-02-02",
      "url" : "https://support.f5.com/csp/article/K67416037"
    }, {
      "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" : "SUSE Security Update SUSE-SU-2024:1489-1 vom 2024-08-19",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/D5LYDXV5ACGHUYO5XWLWD5VAOA5HLJ7U/"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2024-08-19T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-20T13:11:05.961+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2022-2071",
      "initial_release_date" : "2021-04-18T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-04-18T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-05-13T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-05-16T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-05-17T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-05-18T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-05-24T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2021-06-03T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-06-08T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-06-09T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-06-14T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2021-06-15T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-06-22T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Debian und Ubuntu aufgenommen"
      }, {
        "date" : "2021-06-27T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-07-12T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2021-07-14T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-15T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-18T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-21T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-22T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-07-25T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-08-01T22:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-11-09T23:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-01-30T23:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2022-02-02T23:00:00.000+00:00",
        "number" : "24",
        "summary" : "Neue Updates von F5 aufgenommen"
      }, {
        "date" : "2022-11-16T23:00:00.000+00:00",
        "number" : "25",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2024-08-19T22:00:00.000+00:00",
        "number" : "26",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "26"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Amazon Linux 2",
        "product" : {
          "name" : "Amazon Linux 2",
          "product_id" : "398363",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:amazon:linux_2:-"
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      } ],
      "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:-"
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      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "F5 BIG-IP",
        "product" : {
          "name" : "F5 BIG-IP",
          "product_id" : "T001663",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:f5:big-ip:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "F5"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "5.11",
          "product" : {
            "name" : "Open Source Linux Kernel 5.11",
            "product_id" : "866669",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:5.11"
            }
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        } ],
        "category" : "product_name",
        "name" : "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:-"
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      } ],
      "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-2021-23133",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel, welche auf eine Race-Condition in \"net/sctp/socket.c\" zurückzuführen ist. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erhöhen."
    } ],
    "product_status" : {
      "known_affected" : [ "866669", "2951", "T002207", "67646", "T000126", "T001663", "398363", "T004914" ]
    },
    "release_date" : "2021-04-18T22:00:00.000+00:00",
    "title" : "CVE-2021-23133"
  }, {
    "cve" : "CVE-2021-29155",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel. Die Schwachstelle ermöglicht es Sicherheitsvorkehrungen gegen Spectre-Angriffe zu umgehen. Nicht-privilegierte BFP-Programme können diesen Schutz umgehen und einen spekulativen Out-of-Bound-Load-Zugriff auf den Kernelspeicher durchführen. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsvorkehrungen zu umgehen und Informationen offenzulegen."
    } ],
    "product_status" : {
      "known_affected" : [ "866669", "2951", "T002207", "67646", "T000126", "T001663", "398363", "T004914" ]
    },
    "release_date" : "2021-04-18T22:00:00.000+00:00",
    "title" : "CVE-2021-29155"
  } ]
}