{
  "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 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 beliebigen Programmcode auszuf\u00fchren und um einen Denial of Service Zustand herbeizuf\u00fchren.",
        "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-2022-0790 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0790.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0790 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0790"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5217-1 vom 2022-01-11",
        "url": "https://ubuntu.com/security/notices/USN-5217-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5218-1 vom 2022-01-11",
        "url": "https://ubuntu.com/security/notices/USN-5218-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5219-1 vom 2022-01-11",
        "url": "https://ubuntu.com/security/notices/USN-5219-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5265-1 vom 2022-02-03",
        "url": "https://ubuntu.com/security/notices/USN-5265-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5362-1 vom 2022-04-01",
        "url": "https://ubuntu.com/security/notices/USN-5362-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:2520-1 vom 2022-07-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-July/011616.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:2615-1 vom 2022-08-01",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-August/011728.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0724 vom 2024-02-07",
        "url": "https://access.redhat.com/errata/RHSA-2024:0724"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:3138 vom 2024-05-22",
        "url": "https://access.redhat.com/errata/RHSA-2024:3138"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:2950 vom 2024-05-22",
        "url": "https://access.redhat.com/errata/RHSA-2024:2950"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7156774 vom 2024-06-07",
        "url": "https://www.ibm.com/support/pages/node/7156774"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Mehrere Schwachstellen erm\u00f6glichen Codeausf\u00fchrung",
    "tracking": {
      "current_release_date": "2024-06-09T22:00:00.000+00:00",
      "generator": {
        "date": "2024-06-10T08:10:54.183+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-0790",
      "initial_release_date": "2022-01-10T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2022-01-10T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-01-11T23:00:00.000+00:00",
          "number": "2",
          "summary": "CVE Nummer CVE-2021-4204 erg\u00e4nzt"
        },
        {
          "date": "2022-02-02T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-03-31T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-07-21T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-08-01T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-02-07T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-05-21T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-06-09T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von IBM aufgenommen"
        }
      ],
      "status": "final",
      "version": "9"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "IBM QRadar SIEM",
            "product": {
              "name": "IBM QRadar SIEM",
              "product_id": "T021415",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:qradar_siem:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "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": "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-2021-4090",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle im Linux-Kernel aufgrund eines Out-of-bounds-Schreibzugriffs in der NFS-Server-Implementierung. Ein lokaler Angreifer kann dies ausnutzen, um einen Denial of Service-Zustand herbeizuf\u00fchren oder um beliebigen Code auszuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "6368",
          "T000126",
          "T021415"
        ]
      },
      "release_date": "2022-01-10T23:00:00Z",
      "title": "CVE-2021-4090"
    },
    {
      "cve": "CVE-2021-4204",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle im Linux-Kernel in der eBPF-Implementierung. Bestimmte Ringpufferoperationsargumente werden nicht richtig validiert, was zu Schreibzugriffen au\u00dferhalb der Grenzen f\u00fchrt. Ein lokaler Angreifer kann dadurch einen Denial of Service-Zustand erzeugen oder beliebigen Code ausf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "6368",
          "T000126",
          "T021415"
        ]
      },
      "release_date": "2022-01-10T23:00:00Z",
      "title": "CVE-2021-4204"
    }
  ]
}