wid-sec-w-2023-0878
Vulnerability from csaf_certbund
Published
2021-08-15 22:00
Modified
2023-04-05 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Denial of Service

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 einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux


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 einen Denial of Service Angriff durchzuf\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-2023-0878 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-0878.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0878 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0878"
      },
      {
        "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": "Red Hat Security Advisory RHSA-2021:4140 vom 2021-11-10",
        "url": "https://access.redhat.com/errata/RHSA-2021:4140"
      },
      {
        "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": "SUSE Security Update: SUSE-SU-2021:2687-1 vom 2021-08-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-August/009292.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory CVE-2021-3659 vom 2021-08-15",
        "url": "https://access.redhat.com/security/cve/cve-2021-3659"
      },
      {
        "category": "external",
        "summary": "Artikel auf whitesourcesoftware.com vom 2021-08-15",
        "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-3659"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2756-1 vom 2021-08-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-August/009299.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"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-04-05T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:22:34.507+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-0878",
      "initial_release_date": "2021-08-15T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-08-15T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-08-17T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-11-09T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-12-02T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-06T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-07T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-08T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-05T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "product_tree": {
    "branches": [
      {
        "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-2021-3659",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel im Wireless Networking Subsystem. Hier besteht ein Fehler beim Schlie\u00dfen einer LR-WPAN-Verbindung durch den Nutzer. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "6368",
          "T000126"
        ]
      },
      "release_date": "2021-08-15T22:00:00Z",
      "title": "CVE-2021-3659"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.