{
  "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 eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- 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-2022-1992 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-1992.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-1992 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1992"
      },
      {
        "category": "external",
        "summary": "SecLists.org - CVE-2021-3640 vom 2021-07-22",
        "url": "http://seclists.org/oss-sec/2021/q3/28"
      },
      {
        "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-2021:3178-1 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-2021:3177-1 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-2021:3205-1 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-2021:3217-1 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-2021:3361-1 vom 2021-10-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009574.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3371-1 vom 2021-10-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009573.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3374-1 vom 2021-10-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009571.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3360-1 vom 2021-10-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009578.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3401-1 vom 2021-10-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009589.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": "SUSE Security Update SUSE-SU-2021:3443-1 vom 2021-10-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009594.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3440-1 vom 2021-10-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009593.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3459-1 vom 2021-10-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009606.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:14849-1 vom 2021-12-01",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009784.html"
      },
      {
        "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": "SUSE Security Update SUSE-SU-2021:3935-1 vom 2021-12-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009856.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3929-1 vom 2021-12-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009844.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3969-1 vom 2021-12-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009871.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3972-1 vom 2021-12-08",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009872.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2021-1727 vom 2021-12-10",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2021-1727.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.10-2022-008 vom 2022-01-31",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-008.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.4-2022-010 vom 2022-01-31",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2022-010.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5267-1 vom 2022-02-03",
        "url": "https://ubuntu.com/security/notices/USN-5267-1"
      },
      {
        "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-5268-1 vom 2022-02-03",
        "url": "https://ubuntu.com/security/notices/USN-5268-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5267-2 vom 2022-02-09",
        "url": "https://ubuntu.com/security/notices/USN-5267-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5267-3 vom 2022-02-17",
        "url": "https://ubuntu.com/security/notices/USN-5267-3"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9179 vom 2022-02-28",
        "url": "http://linux.oracle.com/errata/ELSA-2022-9179.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9180 vom 2022-02-28",
        "url": "https://linux.oracle.com/errata/ELSA-2022-9180.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5096 vom 2022-03-09",
        "url": "https://lists.debian.org/debian-security-announce/2022/msg00063.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2940 vom 2022-03-09",
        "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2941 vom 2022-03-09",
        "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:7683 vom 2022-11-08",
        "url": "https://access.redhat.com/errata/RHSA-2022:7683"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:7444 vom 2022-11-08",
        "url": "https://access.redhat.com/errata/RHSA-2022:7444"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:7933 vom 2022-11-15",
        "url": "https://access.redhat.com/errata/RHSA-2022:7933"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:8267 vom 2022-11-15",
        "url": "https://access.redhat.com/errata/RHSA-2022:8267"
      },
      {
        "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": "Red Hat Security Advisory RHSA-2022:8781 vom 2022-12-08",
        "url": "https://access.redhat.com/errata/RHSA-2022:8781"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 6963936 vom 2023-03-16",
        "url": "https://www.ibm.com/support/pages/node/6963936"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0724 vom 2024-02-07",
        "url": "https://access.redhat.com/errata/RHSA-2024:0724"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-02-07T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:37:46.979+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-1992",
      "initial_release_date": "2021-07-22T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-07-22T22:00:00.000+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": "2021-10-14T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-10-18T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-01T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-02T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-06T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-07T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-08T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-09T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-01-30T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-02-02T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-02-08T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-02-16T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-02-28T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-03-09T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-11-08T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-11-15T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-11-16T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-12-07T23:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-03-16T23:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2024-02-07T23:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von Red Hat 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:-"
              }
            }
          }
        ],
        "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": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "10.1",
                "product": {
                  "name": "IBM Spectrum Protect 10.1",
                  "product_id": "T023657",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:spectrum_protect:10.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Spectrum Protect"
          }
        ],
        "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": "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": "product_name",
            "name": "Red Hat OpenShift",
            "product": {
              "name": "Red Hat OpenShift",
              "product_id": "T008027",
              "product_identification_helper": {
                "cpe": "cpe:/a:redhat:openshift:-"
              }
            }
          }
        ],
        "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-2021-3640",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Der Fehler besteht aufgrund einer Race Condition, die durch unerwartetes Sperrverhalten verursacht wird. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand auszul\u00f6sen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T008027",
          "2951",
          "T002207",
          "67646",
          "6368",
          "T000126",
          "T023657",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2021-07-22T22:00:00.000+00:00",
      "title": "CVE-2021-3640"
    }
  ]
}