wid-sec-w-2023-1305
Vulnerability from csaf_certbund
Published
2023-05-25 22:00
Modified
2023-08-24 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen

Notes

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.
Produktbeschreibung
Der Kernel stellt den Kern des Linux Betriebssystems dar.
Angriff
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme
- Linux



{
  "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"
    }
  ]
}


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