wid-sec-w-2022-0214
Vulnerability from csaf_certbund
Published
2021-07-21 22:00
Modified
2024-08-21 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

Notes

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.
Produktbeschreibung
Der Kernel stellt den Kern des Linux Betriebssystems dar.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme
- Linux - UNIX


To clipboard 

{
  "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 Sicherheitsvorkehrungen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX",
        "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-2022-0214 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0214.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0214 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0214"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5092-3 vom 2021-10-19",
        "url": "https://ubuntu.com/security/notices/USN-5092-3"
      },
      {
        "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": "National Vulnerability Database CVE-2021-37159 vom 2021-07-21",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-37159"
      },
      {
        "category": "external",
        "summary": "Spinics PATCH v2 vom 2021-07-21",
        "url": "https://www.spinics.net/lists/linux-usb/msg202228.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2021-1719 vom 2021-11-04",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2021-1719.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5092-1 vom 2021-09-28",
        "url": "https://ubuntu.com/security/notices/USN-5092-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5092-2 vom 2021-09-29",
        "url": "https://ubuntu.com/security/notices/USN-5092-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5096-1 vom 2021-09-30",
        "url": "https://ubuntu.com/security/notices/USN-5096-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9474 vom 2021-10-11",
        "url": "http://linux.oracle.com/errata/ELSA-2021-9474.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9475 vom 2021-10-11",
        "url": "http://linux.oracle.com/errata/ELSA-2021-9475.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9486 vom 2021-10-15",
        "url": "http://linux.oracle.com/errata/ELSA-2021-9486.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9487 vom 2021-10-15",
        "url": "http://linux.oracle.com/errata/ELSA-2021-9487.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2785 vom 2021-10-16",
        "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3675-1 vom 2021-11-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009734.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3723-1 vom 2021-11-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009737.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3748-1 vom 2021-11-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009756.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3806-1 vom 2021-11-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009774.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3807-1 vom 2021-11-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009777.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5164-1 vom 2021-12-01",
        "url": "https://ubuntu.com/security/notices/USN-5164-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5163-1 vom 2021-12-01",
        "url": "https://ubuntu.com/security/notices/USN-5163-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3848-1 vom 2021-12-01",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009789.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-2021:3933-1 vom 2021-12-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009843.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": "SUSE Security Update SUSE-SU-2021:3978-1 vom 2021-12-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009873.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2843 vom 2021-12-16",
        "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.10-2022-004 vom 2022-01-31",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-004.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": "Ubuntu Security Notice USN-5361-1 vom 2022-04-01",
        "url": "https://ubuntu.com/security/notices/USN-5361-1"
      },
      {
        "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": "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-2022:5483 vom 2022-07-01",
        "url": "https://access.redhat.com/errata/RHSA-2022:5483"
      },
      {
        "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": "Amazon Linux Security Advisory ALASMICROVM-KERNEL-4.14-2023-001 vom 2023-09-27",
        "url": "https://alas.aws.amazon.com/AL2/ALASMICROVM-KERNEL-4.14-2023-001.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6971-1 vom 2024-08-21",
        "url": "https://ubuntu.com/security/notices/USN-6971-1"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2024-08-21T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-22T08:13:42.432+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.6"
        }
      },
      "id": "WID-SEC-W-2022-0214",
      "initial_release_date": "2021-07-21T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-07-21T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-09-27T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-09-28T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-09-29T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-10-11T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-10-14T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-10-17T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-10-18T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-10-20T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-11-04T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2021-11-16T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-11-17T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-11-21T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-11-25T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-11-30T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-12-01T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-02T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-06T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-07T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-08T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-09T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-16T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-01-30T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-03-31T22:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-05-10T22:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-05-17T22:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-06-08T22:00:00.000+00:00",
          "number": "27",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-07-03T22:00:00.000+00:00",
          "number": "28",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-11-16T23:00:00.000+00:00",
          "number": "29",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-09-27T22:00:00.000+00:00",
          "number": "30",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2024-08-21T22:00:00.000+00:00",
          "number": "31",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        }
      ],
      "status": "final",
      "version": "31"
    }
  },
  "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_range",
                "name": "\u003c=5.13.4",
                "product": {
                  "name": "Open Source Linux Kernel \u003c=5.13.4",
                  "product_id": "T019930"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c=5.13.4",
                "product": {
                  "name": "Open Source Linux Kernel \u003c=5.13.4",
                  "product_id": "T019930-fixed"
                }
              }
            ],
            "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:-"
              }
            }
          }
        ],
        "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-2021-37159",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Der Fehler besteht, wenn \"hso_free_net_device\" aus der Datei \"drivers/net/usb/hso.c\" \"unregister_netdev\" aufruft, ohne den Zustand von \"NETREG_REGISTERED\" zu pr\u00fcfen. Dies f\u00fchrt zu einem Use-after-free und einem Double-free-Fehler. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsma\u00dfnahmen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "398363",
          "T004914"
        ],
        "last_affected": [
          "T019930"
        ]
      },
      "release_date": "2021-07-21T22:00:00.000+00:00",
      "title": "CVE-2021-37159"
    }
  ]
}


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