{
  "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 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 f\u00fcr 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 erm\u00f6glicht Offenlegung von Informationen",
    "tracking": {
      "current_release_date": "2023-08-24T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:28:57.479+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "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\"-Pr\u00fcfung umgehen und einen Kernelpointer an copy_from_user() \u00fcbergeben kann. Ein authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "T006656",
          "T000126"
        ]
      },
      "release_date": "2023-05-25T22:00:00Z",
      "title": "CVE-2023-0459"
    }
  ]
}