{
  "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 einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX\n- Windows",
      "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-2024-0831 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0831.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2024-0831 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0831"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisories vom 2024-04-09",
      "url" : "https://xenbits.xen.org/xsa/advisory-454.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisories vom 2024-04-09",
      "url" : "https://xenbits.xen.org/xsa/advisory-455.html"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2024-4357EC611D vom 2024-04-09",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2024-4357ec611d"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2024-A46DF5BA2F vom 2024-04-09",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2024-a46df5ba2f"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2024-A676697123 vom 2024-04-10",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2024-a676697123"
    }, {
      "category" : "external",
      "summary" : "Citrix Security Advisory CTX588044 vom 2024-04-11",
      "url" : "https://support.citrix.com/article/CTX588044/hotfix-xs82ecu1062-for-citrix-hypervisor-82-cumulative-update-1"
    }, {
      "category" : "external",
      "summary" : "Citrix Security Advisory CTX633151 vom 2024-04-11",
      "url" : "https://support.citrix.com/article/CTX633151"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:1259-1 vom 2024-04-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018345.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:1295-1 vom 2024-04-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018358.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:1540-1 vom 2024-05-11",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/EMA6GZ7SQAFZG4WQ2CYZR5CTCA4TCPW7/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:2531-1 vom 2024-07-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-July/018989.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:2535-1 vom 2024-07-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-July/018986.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:2654-1 vom 2024-07-30",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-July/019067.html"
    }, {
      "category" : "external",
      "summary" : "Gentoo Linux Security Advisory GLSA-202409-10 vom 2024-09-22",
      "url" : "https://security.gentoo.org/glsa/202409-10"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-5836 vom 2024-12-26",
      "url" : "https://lists.debian.org/debian-security-announce/2024/msg00252.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Xen: Mehrere Schwachstellen ermöglichen Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-12-26T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-12-27T09:02:24.232+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.10"
        }
      },
      "id" : "WID-SEC-W-2024-0831",
      "initial_release_date" : "2024-04-09T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2024-04-09T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2024-04-10T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora und Citrix aufgenommen"
      }, {
        "date" : "2024-04-14T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2024-04-15T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2024-04-16T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Korrektur"
      }, {
        "date" : "2024-05-12T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2024-07-16T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2024-07-30T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2024-09-22T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Gentoo aufgenommen"
      }, {
        "date" : "2024-12-26T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Debian aufgenommen"
      } ],
      "status" : "final",
      "version" : "10"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_name",
          "name" : "Citrix Systems Hypervisor",
          "product" : {
            "name" : "Citrix Systems Hypervisor",
            "product_id" : "T016872",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:citrix:hypervisor:-"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<=8.2 Cumulative Update 1 LTSR",
          "product" : {
            "name" : "Citrix Systems Hypervisor <=8.2 Cumulative Update 1 LTSR",
            "product_id" : "T032305"
          }
        }, {
          "category" : "product_version_range",
          "name" : "<=8.2 Cumulative Update 1 LTSR",
          "product" : {
            "name" : "Citrix Systems Hypervisor <=8.2 Cumulative Update 1 LTSR",
            "product_id" : "T032305-fixed"
          }
        }, {
          "category" : "product_version_range",
          "name" : "<=8.2 Cumulative Update 1",
          "product" : {
            "name" : "Citrix Systems Hypervisor <=8.2 Cumulative Update 1",
            "product_id" : "T034089"
          }
        }, {
          "category" : "product_version_range",
          "name" : "<=8.2 Cumulative Update 1",
          "product" : {
            "name" : "Citrix Systems Hypervisor <=8.2 Cumulative Update 1",
            "product_id" : "T034089-fixed"
          }
        }, {
          "category" : "product_version_range",
          "name" : "8.2 Cumulative Update 1 <Hotfix XS82ECU1062",
          "product" : {
            "name" : "Citrix Systems Hypervisor 8.2 Cumulative Update 1 <Hotfix XS82ECU1062",
            "product_id" : "T034090"
          }
        }, {
          "category" : "product_version",
          "name" : "8.2 Cumulative Update 1 Hotfix XS82ECU1062",
          "product" : {
            "name" : "Citrix Systems Hypervisor 8.2 Cumulative Update 1 Hotfix XS82ECU1062",
            "product_id" : "T034090-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:citrix:hypervisor:8.2_cumulative_update_1__hotfix_xs82ecu1062"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Hypervisor"
      }, {
        "branches" : [ {
          "category" : "product_name",
          "name" : "Citrix Systems XenServer",
          "product" : {
            "name" : "Citrix Systems XenServer",
            "product_id" : "T004077",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:xenserver:-"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "8",
          "product" : {
            "name" : "Citrix Systems XenServer 8",
            "product_id" : "T034091",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:xenserver:8"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "XenServer"
      } ],
      "category" : "vendor",
      "name" : "Citrix Systems"
    }, {
      "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" : [ {
        "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" : [ {
        "category" : "product_name",
        "name" : "Gentoo Linux",
        "product" : {
          "name" : "Gentoo Linux",
          "product_id" : "T012167",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:gentoo:linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Gentoo"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<4.18.2",
          "product" : {
            "name" : "Open Source Xen <4.18.2",
            "product_id" : "T034006"
          }
        }, {
          "category" : "product_version",
          "name" : "4.18.2",
          "product" : {
            "name" : "Open Source Xen 4.18.2",
            "product_id" : "T034006-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.18.2"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.17.4",
          "product" : {
            "name" : "Open Source Xen <4.17.4",
            "product_id" : "T034007"
          }
        }, {
          "category" : "product_version",
          "name" : "4.17.4",
          "product" : {
            "name" : "Open Source Xen 4.17.4",
            "product_id" : "T034007-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.17.4"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.16.6",
          "product" : {
            "name" : "Open Source Xen <4.16.6",
            "product_id" : "T034008"
          }
        }, {
          "category" : "product_version",
          "name" : "4.16.6",
          "product" : {
            "name" : "Open Source Xen 4.16.6",
            "product_id" : "T034008-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.16.6"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.15.6",
          "product" : {
            "name" : "Open Source Xen <4.15.6",
            "product_id" : "T034009"
          }
        }, {
          "category" : "product_version",
          "name" : "4.15.6",
          "product" : {
            "name" : "Open Source Xen 4.15.6",
            "product_id" : "T034009-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.15.6"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Xen"
      } ],
      "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"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2023-46842",
    "notes" : [ {
      "category" : "description",
      "text" : "Es bestehen mehrere Schwachstellen in Xen. Diese Fehler bestehen in den HVM-Hyperaufrufen und während der BTC/SRSO-Abschwächungen aufgrund einer unsachgemäßen Fehlerprüfung und eines logischen Fehlers. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
    } ],
    "product_status" : {
      "known_affected" : [ "T004077", "T034008", "T034007", "T034006", "T032305", "T034009", "T012167", "T016872", "74185", "T034089", "T034091", "T034090", "2951", "T002207" ]
    },
    "release_date" : "2024-04-09T22:00:00.000+00:00",
    "title" : "CVE-2023-46842"
  }, {
    "cve" : "CVE-2024-31142",
    "notes" : [ {
      "category" : "description",
      "text" : "Es bestehen mehrere Schwachstellen in Xen. Diese Fehler bestehen in den HVM-Hyperaufrufen und während der BTC/SRSO-Abschwächungen aufgrund einer unsachgemäßen Fehlerprüfung und eines logischen Fehlers. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
    } ],
    "product_status" : {
      "known_affected" : [ "T004077", "T034008", "T034007", "T034006", "T032305", "T034009", "T012167", "T016872", "74185", "T034089", "T034091", "T034090", "2951", "T002207" ]
    },
    "release_date" : "2024-04-09T22:00:00.000+00:00",
    "title" : "CVE-2024-31142"
  } ]
}