{
  "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 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-2023-2386 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2386.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-2386 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2386"
    }, {
      "category" : "external",
      "summary" : "Linux Security Advisory vom 2023-09-18",
      "url" : "https://seclists.org/oss-sec/2023/q3/192"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6442-1 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6442-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6441-1 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6441-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6440-1 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6440-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6439-1 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6439-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6446-1 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6446-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6443-1 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6443-1"
    }, {
      "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-6444-1 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6444-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6440-2 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6440-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6441-2 vom 2023-10-23",
      "url" : "https://ubuntu.com/security/notices/USN-6441-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6439-2 vom 2023-10-23",
      "url" : "https://ubuntu.com/security/notices/USN-6439-2"
    }, {
      "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-6444-2 vom 2023-10-24",
      "url" : "https://ubuntu.com/security/notices/USN-6444-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6446-2 vom 2023-10-24",
      "url" : "https://ubuntu.com/security/notices/USN-6446-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6446-3 vom 2023-10-26",
      "url" : "https://ubuntu.com/security/notices/USN-6446-3"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6441-3 vom 2023-10-30",
      "url" : "https://ubuntu.com/security/notices/USN-6441-3"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6460-1 vom 2023-10-30",
      "url" : "https://ubuntu.com/security/notices/USN-6460-1"
    }, {
      "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" : "Oracle Linux Security Advisory ELSA-2023-12974 vom 2023-11-13",
      "url" : "https://oss.oracle.com/pipermail/el-errata/2023-November/014870.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice LSN-0099-1 vom 2023-11-28",
      "url" : "https://ubuntu.com/security/notices/LSN-0099-1"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2023-13043 vom 2023-12-14",
      "url" : "https://linux.oracle.com/errata/ELSA-2023-13043.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2024-12110 vom 2024-02-02",
      "url" : "https://linux.oracle.com/errata/ELSA-2024-12110.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2024-12150 vom 2024-02-13",
      "url" : "https://linux.oracle.com/errata/ELSA-2024-12150.html"
    }, {
      "category" : "external",
      "summary" : "ORACLE OVMSA-2024-0002 vom 2024-03-04",
      "url" : "https://oss.oracle.com/pipermail/oraclevm-errata/2024-March/001092.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0278-1 vom 2026-01-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023906.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0281-1 vom 2026-01-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023914.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0293-1 vom 2026-01-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023915.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0315-1 vom 2026-01-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023971.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20477-1 vom 2026-02-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024409.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20479-1 vom 2026-02-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024407.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20498-1 vom 2026-02-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024476.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20520-1 vom 2026-02-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024455.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20794-1 vom 2026-03-25",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024895.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20772-1 vom 2026-03-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024862.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20819-1 vom 2026-03-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024871.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20872-1 vom 2026-03-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024969.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20845-1 vom 2026-03-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024994.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20876-1 vom 2026-03-30",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/025054.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen",
    "tracking" : {
      "current_release_date" : "2026-03-30T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-03-31T08:53:58.232+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2023-2386",
      "initial_release_date" : "2023-09-18T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-09-18T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-10-19T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-22T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-23T22:00:00.000+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" : "2023-10-26T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-30T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-31T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-11-13T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2023-11-28T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-12-14T23:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2024-02-04T23:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2024-02-12T23:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2024-03-04T23:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von ORACLE aufgenommen"
      }, {
        "date" : "2026-01-25T23:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-01-26T23:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-01-28T23:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-02-26T23:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-01T23:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-24T23:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-29T22:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-30T22:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "22"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<=v6.2-rc1",
          "product" : {
            "name" : "Open Source Linux Kernel <=v6.2-rc1",
            "product_id" : "T029958"
          }
        }, {
          "category" : "product_version_range",
          "name" : "<=v6.2-rc1",
          "product" : {
            "name" : "Open Source Linux Kernel <=v6.2-rc1",
            "product_id" : "T029958-fixed"
          }
        } ],
        "category" : "product_name",
        "name" : "Linux Kernel"
      } ],
      "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" : "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-2023-42752",
    "product_status" : {
      "known_affected" : [ "T002207", "T000126", "T004914" ],
      "last_affected" : [ "T029958" ]
    },
    "release_date" : "2023-09-18T22:00:00.000+00:00",
    "title" : "CVE-2023-42752"
  } ]
}