{
  "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 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."
    }, {
      "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 durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2023-3076 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-3076.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-3076 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-3076"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugzilla vom 2023-12-06",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2253249"
    }, {
      "category" : "external",
      "summary" : "RedHat Customer Portal vom 2023-12-06",
      "url" : "https://access.redhat.com/security/cve/CVE-2023-6560"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2023-41417507BB vom 2023-12-09",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2023-41417507bb"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2023-AC1FDF3405 vom 2023-12-09",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2023-ac1fdf3405"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2023-A8AFE852A3 vom 2023-12-11",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2023-a8afe852a3"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2023-4DF366EE80 vom 2023-12-11",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2023-4df366ee80"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6680-1 vom 2024-03-07",
      "url" : "https://ubuntu.com/security/notices/USN-6680-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6680-2 vom 2024-03-08",
      "url" : "https://ubuntu.com/security/notices/USN-6680-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6680-3 vom 2024-03-19",
      "url" : "https://ubuntu.com/security/notices/USN-6680-3"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-03-19T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T18:02:28.345+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2023-3076",
      "initial_release_date" : "2023-12-06T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-12-06T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-12-10T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2023-12-11T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2024-03-06T23:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-03-07T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-03-19T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      } ],
      "status" : "final",
      "version" : "6"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Fedora Linux",
        "product" : {
          "name" : "Fedora Linux",
          "product_id" : "74185",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:fedoraproject:fedora:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Fedora"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "< 6.7-rc5",
          "product" : {
            "name" : "Open Source Linux Kernel < 6.7-rc5",
            "product_id" : "T031501"
          }
        } ],
        "category" : "product_name",
        "name" : "Linux Kernel"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "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-2023-6560",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel. In der io_uring SQ/CQ-Rings Funktionalität besteht ein Problem mit einem Out-of-bounds-Speicherzugriff. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
    } ],
    "product_status" : {
      "known_affected" : [ "T000126", "74185" ]
    },
    "release_date" : "2023-12-06T23:00:00.000+00:00",
    "title" : "CVE-2023-6560"
  } ]
}