{
  "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 seine Privilegien zu erhöhen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX",
      "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-2023-0734 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0734.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-0734 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0734"
    }, {
      "category" : "external",
      "summary" : "National Vulnerability Database - CVE-2023-0386 vom 2023-03-22",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-0386"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:1554 vom 2023-04-04",
      "url" : "https://access.redhat.com/errata/RHSA-2023:1554"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:1584 vom 2023-04-04",
      "url" : "https://access.redhat.com/errata/RHSA-2023:1584"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:1566 vom 2023-04-04",
      "url" : "https://access.redhat.com/errata/RHSA-2023:1566"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:1660 vom 2023-04-05",
      "url" : "https://access.redhat.com/errata/RHSA-2023:1660"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:1659 vom 2023-04-05",
      "url" : "https://access.redhat.com/errata/RHSA-2023:1659"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:1681 vom 2023-04-10",
      "url" : "https://access.redhat.com/errata/RHSA-2023:1681"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2023-1566 vom 2023-04-06",
      "url" : "http://linux.oracle.com/errata/ELSA-2023-1566.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:1691 vom 2023-04-11",
      "url" : "https://access.redhat.com/errata/RHSA-2023:1691"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:1703 vom 2023-04-11",
      "url" : "https://access.redhat.com/errata/RHSA-2023:1703"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2023-1703 vom 2023-04-13",
      "url" : "https://oss.oracle.com/pipermail/el-errata/2023-April/013908.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:1677 vom 2023-04-15",
      "url" : "https://access.redhat.com/errata/RHSA-2023:1677"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice LSN-0094-1 vom 2023-04-19",
      "url" : "https://ubuntu.com/security/notices/USN-6025-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6043-1 vom 2023-04-26",
      "url" : "https://ubuntu.com/security/notices/USN-6043-1"
    }, {
      "category" : "external",
      "summary" : "PoC auf Securityonline vom 2023-04-26",
      "url" : "https://securityonline.info/poc-exploit-released-for-linux-kernel-privilege-escalation-cve-2023-0386-bug/"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6057-1 vom 2023-05-05",
      "url" : "https://ubuntu.com/security/notices/USN-6057-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2141-1 vom 2023-05-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014821.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2140-1 vom 2023-05-09",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014813.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6072-1 vom 2023-05-10",
      "url" : "https://ubuntu.com/security/notices/USN-6072-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6071-1 vom 2023-05-10",
      "url" : "https://ubuntu.com/security/notices/USN-6071-1"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-5402 vom 2023-05-14",
      "url" : "https://www.debian.org/security/2023/dsa-5402"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2231-1 vom 2023-05-17",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014914.html"
    }, {
      "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" : "SUSE Security Update SUSE-SU-2023:2368-1 vom 2023-06-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015079.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2369-1 vom 2023-06-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015078.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2371-1 vom 2023-06-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015077.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3446 vom 2023-06-05",
      "url" : "https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2384-1 vom 2023-06-06",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015090.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2425-1 vom 2023-06-06",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015103.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2428-1 vom 2023-06-07",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015108.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2431-1 vom 2023-06-07",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015106.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2468-1 vom 2023-06-08",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015114.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2459-1 vom 2023-06-08",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015123.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2443-1 vom 2023-06-07",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015109.html"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7005589 vom 2023-06-21",
      "url" : "https://www.ibm.com/support/pages/node/7005589"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice LSN-0095-1 vom 2023-06-21",
      "url" : "https://ubuntu.com/security/notices/LSN-0095-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2809-1 vom 2023-07-11",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015470.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2024-12385 vom 2024-06-05",
      "url" : "https://oss.oracle.com/pipermail/el-errata/2024-June/015807.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2024-12385 vom 2024-06-05",
      "url" : "https://oss.oracle.com/pipermail/el-errata/2024-June/015806.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3840 vom 2024-06-27",
      "url" : "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation",
    "tracking" : {
      "current_release_date" : "2024-06-27T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:47:12.536+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2023-0734",
      "initial_release_date" : "2023-03-22T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-03-22T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-04-03T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2023-04-04T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2023-04-05T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2023-04-10T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Red Hat und Oracle Linux aufgenommen"
      }, {
        "date" : "2023-04-11T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2023-04-13T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2023-04-16T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2023-04-18T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-04-26T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-05-07T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "PoC aufgenommen"
      }, {
        "date" : "2023-05-09T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-05-10T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-05-14T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-05-18T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-06-01T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-06-04T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-06-05T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-06-06T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-06-08T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-06-20T22:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von IBM aufgenommen"
      }, {
        "date" : "2023-06-21T22:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-07-11T22:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2024-06-05T22:00:00.000+00:00",
        "number" : "24",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2024-06-27T22:00:00.000+00:00",
        "number" : "25",
        "summary" : "Neue Updates von Debian aufgenommen"
      } ],
      "status" : "final",
      "version" : "25"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Debian Linux",
        "product" : {
          "name" : "Debian Linux",
          "product_id" : "2951",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:debian:debian_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "plus 10.1",
          "product" : {
            "name" : "IBM Spectrum Protect plus 10.1",
            "product_id" : "T015895",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:ibm:spectrum_protect:plus_10.1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Spectrum Protect"
      } ],
      "category" : "vendor",
      "name" : "IBM"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel",
        "product" : {
          "name" : "Open Source Linux Kernel",
          "product_id" : "6368",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:linux: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" : "Red Hat Enterprise Linux",
        "product" : {
          "name" : "Red Hat Enterprise Linux",
          "product_id" : "67646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:redhat:enterprise_linux:-"
          }
        }
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "4",
          "product" : {
            "name" : "Red Hat Virtualization 4",
            "product_id" : "T026451",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:redhat:virtualization:4"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Virtualization"
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    }, {
      "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-2023-0386",
    "notes" : [ {
      "category" : "description",
      "text" : "Im Linux-Kernel besteht eine Schwachstelle bezüglich des \"OverlayFS\"-Subsystems in Verbindung mit \"setuid\" und der \"nosuid\"-Mount-Option. Ein unautorisierter Zugriff erfolgt, wenn ein \"capable file\" von einem \"nosuid\" Mount in einen anderen Mount kopiert wird. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern."
    } ],
    "product_status" : {
      "known_affected" : [ "2951", "T002207", "67646", "6368", "T000126", "T015895", "T004914", "T026451" ]
    },
    "release_date" : "2023-03-22T23:00:00.000+00:00",
    "title" : "CVE-2023-0386"
  } ]
}