{
  "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 entfernter, authentisierter 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 für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2023-1305 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1305.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-1305 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1305"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3421-1 vom 2023-08-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/016021.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3392-1 vom 2023-08-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015997.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3390-1 vom 2023-08-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015998.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3391-1 vom 2023-08-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015999.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3377-1 vom 2023-08-22",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015992.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3376-1 vom 2023-08-22",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015987.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3349-1 vom 2023-08-17",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015945.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3333-1 vom 2023-08-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015911.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3324-1 vom 2023-08-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015910.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3329-1 vom 2023-08-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015906.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3318-1 vom 2023-08-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015905.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3309-1 vom 2023-08-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015902.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3313-1 vom 2023-08-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015903.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3311-1 vom 2023-08-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015904.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:3302-1 vom 2023-08-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015894.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6256-1 vom 2023-07-26",
      "url" : "https://ubuntu.com/security/notices/USN-6256-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6235-1 vom 2023-07-18",
      "url" : "https://ubuntu.com/security/notices/USN-6235-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6222-1 vom 2023-07-12",
      "url" : "https://ubuntu.com/security/notices/USN-6222-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6174-1 vom 2023-06-16",
      "url" : "https://ubuntu.com/security/notices/USN-6174-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6133-1 vom 2023-06-01",
      "url" : "https://ubuntu.com/security/notices/USN-6133-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6134-1 vom 2023-06-01",
      "url" : "https://ubuntu.com/security/notices/USN-6134-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6132-1 vom 2023-06-01",
      "url" : "https://ubuntu.com/security/notices/USN-6132-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6118-1 vom 2023-05-30",
      "url" : "https://ubuntu.com/security/notices/USN-6118-1"
    }, {
      "category" : "external",
      "summary" : "NIST Vulnerability Database vom 2023-05-25",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-0459"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen",
    "tracking" : {
      "current_release_date" : "2023-08-24T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:51:26.615+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2023-1305",
      "initial_release_date" : "2023-05-25T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-05-25T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-05-30T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-06-01T22:00:00.000+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" : "2023-07-12T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-07-18T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-07-26T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-08-13T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-08-14T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-08-15T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-08-16T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-08-17T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-08-22T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-08-23T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-08-24T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "15"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel",
        "product" : {
          "name" : "Open Source Linux Kernel",
          "product_id" : "T006656",
          "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-2023-0459",
    "notes" : [ {
      "category" : "description",
      "text" : "Es gibt eine Schwachstelle im Linux-Kernel. Die Funktion \"copy_from_user\" auf 64-Bit-Versionen des Linux-Kernels implementiert \"__uaccess_begin_nospec\" nicht, wodurch ein Benutzer die \"access_ok\"-Prüfung umgehen und einen Kernelpointer an copy_from_user() übergeben kann. Ein authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen."
    } ],
    "product_status" : {
      "known_affected" : [ "T002207", "T006656", "T000126" ]
    },
    "release_date" : "2023-05-25T22:00:00.000+00:00",
    "title" : "CVE-2023-0459"
  } ]
}