{
  "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" : "Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) für die darauf laufenden Systeme (Domains) paravirtualisiert.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um erweiterte Privilegien zu erlangen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Sonstiges\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-2026-1851 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1851.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1851 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1851"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory XSA-491 vom 2026-06-09",
      "url" : "https://xenbits.xen.org/xsa/advisory-491.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory XSA-492 vom 2026-06-09",
      "url" : "https://xenbits.xen.org/xsa/advisory-492.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory XSA-493 vom 2026-06-09",
      "url" : "https://xenbits.xen.org/xsa/advisory-493.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory XSA-494 vom 2026-06-09",
      "url" : "https://xenbits.xen.org/xsa/advisory-494.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-50304 vom 2026-06-09",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-50304.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-50305 vom 2026-06-09",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-50305.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:2329-1 vom 2026-06-10",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026679.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:2328-1 vom 2026-06-10",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026680.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:2364-1 vom 2026-06-11",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026701.html"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-24B84F97AF vom 2026-06-12",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-24b84f97af"
    } ],
    "source_lang" : "en-US",
    "title" : "Xen: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-06-14T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-06-15T07:40:27.105+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-1851",
      "initial_release_date" : "2026-06-09T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-06-09T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-06-10T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-06-11T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-06-14T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Fedora aufgenommen"
      } ],
      "status" : "final",
      "version" : "4"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Fedora Linux",
        "product" : {
          "name" : "Fedora Linux",
          "product_id" : "74185",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:fedoraproject:fedora:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Fedora"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : ">=3.2",
          "product" : {
            "name" : "Open Source Xen >=3.2",
            "product_id" : "T055086"
          }
        }, {
          "category" : "product_version_range",
          "name" : ">=3.2",
          "product" : {
            "name" : "Open Source Xen >=3.2",
            "product_id" : "T055086-fixed"
          }
        }, {
          "category" : "product_version_range",
          "name" : ">=3.3",
          "product" : {
            "name" : "Open Source Xen >=3.3",
            "product_id" : "T055087"
          }
        }, {
          "category" : "product_version_range",
          "name" : ">=3.3",
          "product" : {
            "name" : "Open Source Xen >=3.3",
            "product_id" : "T055087-fixed"
          }
        }, {
          "category" : "product_version",
          "name" : "Arm",
          "product" : {
            "name" : "Open Source Xen Arm",
            "product_id" : "T055088",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:arm"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : ">=4.15",
          "product" : {
            "name" : "Open Source Xen >=4.15",
            "product_id" : "T055089"
          }
        }, {
          "category" : "product_version_range",
          "name" : ">=4.15",
          "product" : {
            "name" : "Open Source Xen >=4.15",
            "product_id" : "T055089-fixed"
          }
        } ],
        "category" : "product_name",
        "name" : "Xen"
      } ],
      "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"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-42487",
    "product_status" : {
      "known_affected" : [ "T055089", "T002207", "T055087", "T004914", "74185" ]
    },
    "release_date" : "2026-06-09T22:00:00.000+00:00",
    "title" : "CVE-2026-42487"
  }, {
    "cve" : "CVE-2026-42489",
    "product_status" : {
      "known_affected" : [ "T055089", "T002207", "T004914", "74185" ]
    },
    "release_date" : "2026-06-09T22:00:00.000+00:00",
    "title" : "CVE-2026-42489"
  }, {
    "cve" : "CVE-2026-42490",
    "product_status" : {
      "known_affected" : [ "T055089", "T002207", "T004914", "74185" ]
    },
    "release_date" : "2026-06-09T22:00:00.000+00:00",
    "title" : "CVE-2026-42490"
  }, {
    "cve" : "CVE-2025-10263",
    "product_status" : {
      "known_affected" : [ "T055088", "T002207", "T004914", "74185" ]
    },
    "release_date" : "2026-06-09T22:00:00.000+00:00",
    "title" : "CVE-2025-10263"
  }, {
    "cve" : "CVE-2026-42488",
    "product_status" : {
      "known_affected" : [ "T002207", "T004914", "74185" ]
    },
    "release_date" : "2026-06-09T22:00:00.000+00:00",
    "title" : "CVE-2026-42488"
  } ]
}