WID-SEC-W-2022-0217

Vulnerability from csaf_certbund - Published: 2021-08-26 22:00 - Updated: 2024-06-24 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen

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 Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Informationen offenzulegen.
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 Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um 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-2022-0217 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0217.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0217 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0217"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5113-1 vom 2021-10-20",
        "url": "https://ubuntu.com/security/notices/USN-5113-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5117-1 vom 2021-10-20",
        "url": "https://ubuntu.com/security/notices/USN-5117-1"
      },
      {
        "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": "Eintrag in der OSS Mailing-list vom 2021-08-26",
        "url": "http://seclists.org/oss-sec/2021/q3/136"
      },
      {
        "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-2021:3179-1 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-2021:3205-1 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-2021:3207-1 vom 2021-09-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009508.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4978 vom 2021-09-25",
        "url": "https://lists.debian.org/debian-security-announce/2021/msg00163.html"
      },
      {
        "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": "SUSE Security Update SUSE-SU-2021:3415-1 vom 2021-10-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009591.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": "Oracle Linux Security Advisory ELSA-2021-9487 vom 2021-10-15",
        "url": "http://linux.oracle.com/errata/ELSA-2021-9487.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": "Ubuntu Security Notice USN-5136-1 vom 2021-11-09",
        "url": "https://ubuntu.com/security/notices/USN-5136-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5137-1 vom 2021-11-09",
        "url": "https://ubuntu.com/security/notices/USN-5137-1"
      },
      {
        "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": "Ubuntu Security Notice USN-5137-2 vom 2021-11-11",
        "url": "https://ubuntu.com/security/notices/USN-5137-2"
      },
      {
        "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": "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": "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": "SUSE Security Update SUSE-SU-2024:2010-1 vom 2024-06-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018711.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:2183-1 vom 2024-06-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018808.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:2185-1 vom 2024-06-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018809.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
    "tracking": {
      "current_release_date": "2024-06-24T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:27:23.373+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-0217",
      "initial_release_date": "2021-08-26T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-08-26T22:00:00.000+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": "2021-09-23T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-09-26T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-10-11T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux 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 Oracle Linux aufgenommen"
        },
        {
          "date": "2021-10-17T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-10-19T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-10-20T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-11-08T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-11-10T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-05-10T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-05-17T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-06-08T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-07-03T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-11-16T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-06-12T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-06-24T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "19"
    }
  },
  "product_tree": {
    "branches": [
      {
        "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=5.14.0-rc6+",
                "product": {
                  "name": "Open Source Linux Kernel \u003c=5.14.0-rc6+",
                  "product_id": "T020271"
                }
              }
            ],
            "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-2021-3743",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Die Schwachstelle besteht in der Funktion \"qrtr_endpoint_post\" in \"net/qrtr/qrtr.c\" und ist auf einen Out-of-Bounds-Lesefehler zur\u00fcckzuf\u00fchren. Ein Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "T004914"
        ],
        "last_affected": [
          "T020271"
        ]
      },
      "release_date": "2021-08-26T22:00:00.000+00:00",
      "title": "CVE-2021-3743"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.