{
  "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-2023-0756 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0756.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-0756 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0756"
    }, {
      "category" : "external",
      "summary" : "Github Security Advisory GHSA-p732-x236-jpq6 vom 2023-03-26",
      "url" : "https://github.com/advisories/GHSA-p732-x236-jpq6"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6033-1 vom 2023-04-19",
      "url" : "https://ubuntu.com/security/notices/USN-6033-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5791-2 vom 2023-04-26",
      "url" : "https://ubuntu.com/security/notices/USN-6045-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6043-1 vom 2023-04-26",
      "url" : "https://ubuntu.com/security/notices/USN-6044-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6043-1 vom 2023-04-26",
      "url" : "https://ubuntu.com/security/notices/USN-6043-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6175-1 vom 2023-06-16",
      "url" : "https://ubuntu.com/security/notices/USN-6175-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6186-1 vom 2023-06-22",
      "url" : "https://ubuntu.com/security/notices/USN-6186-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2809-1 vom 2023-07-11",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015470.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2646-1 vom 2024-02-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-February/018025.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-02-27T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:47:20.280+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2023-0756",
      "initial_release_date" : "2023-03-26T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-03-26T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-04-19T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-04-26T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-06-18T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-06-22T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-07-11T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2024-02-27T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "7"
    }
  },
  "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" : "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-2023-1583",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel. Diese ist auf eine NULL-Zeiger-Deferenzierung in der \"io_uring\" Komponente zurückzuführen. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Absturz zu verursachen."
    } ],
    "product_status" : {
      "known_affected" : [ "T002207", "6368", "T000126" ]
    },
    "release_date" : "2023-03-26T22:00:00.000+00:00",
    "title" : "CVE-2023-1583"
  } ]
}