{
  "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 lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um seine Privilegien zu erh\u00f6hen, einen Denial of Service Zustan herbeizuf\u00fchren oder Informationen offenzulegen.",
        "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-2022-0239 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0239.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0239 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0239"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2232-1 vom 2023-05-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014918.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1848-1 vom 2023-04-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014466.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6001-1 vom 2023-04-06",
        "url": "https://ubuntu.com/security/notices/USN-6001-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:0852-1 vom 2023-03-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014114.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:0768-1 vom 2023-03-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014072.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:0747-1 vom 2023-03-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014045.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:0634-1 vom 2023-03-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/013982.html"
      },
      {
        "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": "NIST Database vom 2022-04-07",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4202"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2022-04-07",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4203"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9348 vom 2022-05-03",
        "url": "https://linux.oracle.com/errata/ELSA-2022-9348.html"
      },
      {
        "category": "external",
        "summary": "ORACLE OVMSA-2022-0014 vom 2022-05-04",
        "url": "https://oss.oracle.com/pipermail/oraclevm-errata/2022-May/001052.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": "Ubuntu Security Notice USN-5500-1 vom 2022-07-01",
        "url": "https://ubuntu.com/security/notices/USN-5500-1"
      },
      {
        "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": "Ubuntu Security Notice USN-5505-1 vom 2022-07-07",
        "url": "https://ubuntu.com/security/notices/USN-5505-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5513-1 vom 2022-07-13",
        "url": "https://ubuntu.com/security/notices/USN-5513-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:5633 vom 2022-07-20",
        "url": "https://access.redhat.com/errata/RHSA-2022:5633"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:5626 vom 2022-07-20",
        "url": "https://access.redhat.com/errata/RHSA-2022:5626"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3265-1 vom 2022-09-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012231.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3264-1 vom 2022-09-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012229.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3274-1 vom 2022-09-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012234.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3282-1 vom 2022-09-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012250.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3291-1 vom 2022-09-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012271.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3408-1 vom 2022-09-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012386.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3422-1 vom 2022-09-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012397.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3450-1 vom 2022-09-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012439.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3609-1 vom 2022-10-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-October/012557.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3809-1 vom 2022-10-31",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-October/012771.html"
      },
      {
        "category": "external",
        "summary": "NetApp Security Advisory NTAP-20221111-0003 vom 2022-11-11",
        "url": "https://security.netapp.com/advisory/ntap-20221111-0003/"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2023-05-18T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T16:47:30.523+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-0239",
      "initial_release_date": "2022-04-07T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2022-04-07T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-05-03T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-05-04T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von ORACLE aufgenommen"
        },
        {
          "date": "2022-05-10T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-05-17T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-06-08T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-07-03T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu und Red Hat aufgenommen"
        },
        {
          "date": "2022-07-06T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-07-13T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-07-19T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-09-14T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-09-15T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-09-18T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-09-26T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-09-27T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-09-28T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-10-18T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-10-31T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-11-10T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von NetApp aufgenommen"
        },
        {
          "date": "2023-03-07T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-03-15T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-03-16T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-03-21T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-05T22:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-04-16T22:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-05-18T22:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "26"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "NetApp ActiveIQ Unified Manager",
            "product": {
              "name": "NetApp ActiveIQ Unified Manager",
              "product_id": "658714",
              "product_identification_helper": {
                "cpe": "cpe:/a:netapp:active_iq_unified_manager:-::~~~vmware_vsphere~~"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "NetApp"
      },
      {
        "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-2021-4202",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Ein Use-after-Free-Fehler besteht in \"nci_request in net/nfc/nci/core.c\". In Folge ist eine Privilegieneskalation m\u00f6glich. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "6368",
          "T000126",
          "658714",
          "T004914"
        ]
      },
      "release_date": "2022-04-07T22:00:00Z",
      "title": "CVE-2021-4202"
    },
    {
      "cve": "CVE-2021-4203",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Ein Use-after-Free-Fehler besteht in \"sock_getsockopt() in net/core/sock.c\", aufgrund einer Race-Condition. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren oder Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "6368",
          "T000126",
          "658714",
          "T004914"
        ]
      },
      "release_date": "2022-04-07T22:00:00Z",
      "title": "CVE-2021-4203"
    }
  ]
}