{
  "document" : {
    "aggregate_severity" : {
      "text" : "hoch"
    },
    "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 beliebigen Programmcode auszuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- UNIX\n- 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-2023-2515 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2515.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-2515 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2515"
    }, {
      "category" : "external",
      "summary" : "Linux Security Notification vom 2023-09-28",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-44466"
    }, {
      "category" : "external",
      "summary" : "Proof of Concept (PoC)",
      "url" : "https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph"
    }, {
      "category" : "external",
      "summary" : "Linux Security Notification vom 2023-09-28",
      "url" : "https://github.com/advisories/GHSA-7wwm-57j8-wx2j"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6416-1 vom 2023-10-05",
      "url" : "https://ubuntu.com/security/notices/USN-6416-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6416-2 vom 2023-10-06",
      "url" : "https://ubuntu.com/security/notices/USN-6416-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6445-1 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6445-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6416-3 vom 2023-10-19",
      "url" : "https://ubuntu.com/security/notices/USN-6416-3"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6445-2 vom 2023-10-24",
      "url" : "https://ubuntu.com/security/notices/USN-6445-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6466-1 vom 2023-10-31",
      "url" : "https://ubuntu.com/security/notices/USN-6466-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6464-1 vom 2023-10-31",
      "url" : "https://ubuntu.com/security/notices/USN-6464-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6520-1 vom 2023-11-28",
      "url" : "https://ubuntu.com/security/notices/USN-6520-1"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2023-6583 vom 2024-01-18",
      "url" : "https://oss.oracle.com/pipermail/el-errata/2024-January/015150.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Codeausführung",
    "tracking" : {
      "current_release_date" : "2024-01-18T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:59:13.825+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2023-2515",
      "initial_release_date" : "2023-09-28T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-09-28T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-10-04T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-08T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-19T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-24T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-31T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-11-28T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-01-18T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      } ],
      "status" : "final",
      "version" : "8"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel < 6.4.5",
        "product" : {
          "name" : "Open Source Linux Kernel < 6.4.5",
          "product_id" : "T030163",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:linux:linux_kernel:6.4.5"
          }
        }
      } ],
      "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" : "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-2023-44466",
    "notes" : [ {
      "category" : "description",
      "text" : "Es besteht eine Schwachstelle im Linux Kernel. Dieser Fehler existiert in der net/ceph/messenger_v2.c Komponente aufgrund eines Integer Signing Problems, was zu einem Pufferüberlauf führt. Ein lokaler Angreifer kann diese Schwachstelle zur Ausführung von beliebigem Code ausnutzen."
    } ],
    "product_status" : {
      "known_affected" : [ "T000126", "T004914" ]
    },
    "release_date" : "2023-09-28T22:00:00.000+00:00",
    "title" : "CVE-2023-44466"
  } ]
}