{
  "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 seine Rechte zu erweitern und einen nicht näher spezifizierten Angriff durchzuführen.",
      "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-2026-0225 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0225.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0225 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0225"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-01-26",
      "url" : "https://xenbits.xen.org/xsa/advisory-477.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-01-26",
      "url" : "https://xenbits.xen.org/xsa/advisory-478.html"
    }, {
      "category" : "external",
      "summary" : "Citrix Security Advisory CTX695997 vom 2025-12-12",
      "url" : "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX695997&articleURL=XenServer_Security_Update_for_CVE_2025_58151_and_CVE_2026_23553"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0304-1 vom 2026-01-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023930.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0303-1 vom 2026-01-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023931.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0306-1 vom 2026-01-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023928.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0329-1 vom 2026-01-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023972.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0328-1 vom 2026-01-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-January/023973.html"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-844012D662 vom 2026-01-29",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-844012d662"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-E39149A8A0 vom 2026-01-29",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-e39149a8a0"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:10118-1 vom 2026-01-31",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/WQZCDTMT7MG7RKQWPEEIEACMFDQB74GR/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0394-1 vom 2026-02-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024075.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0589-1 vom 2026-02-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024358.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Xen: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-02-22T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-02-23T09:08:32.679+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-0225",
      "initial_release_date" : "2026-01-26T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-01-26T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-01-27T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Citrix aufgenommen"
      }, {
        "date" : "2026-01-28T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE und European Union Vulnerability Database aufgenommen"
      }, {
        "date" : "2026-01-29T23:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2026-02-01T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von openSUSE aufgenommen"
      }, {
        "date" : "2026-02-05T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-02-22T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "7"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "8.4",
          "product" : {
            "name" : "Citrix Systems XenServer 8.4",
            "product_id" : "T043563",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:xenserver:8.4"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "XenServer"
      } ],
      "category" : "vendor",
      "name" : "Citrix Systems"
    }, {
      "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" : "<4.18.x",
          "product" : {
            "name" : "Open Source Xen <4.18.x",
            "product_id" : "T038923"
          }
        }, {
          "category" : "product_version",
          "name" : "4.18.x",
          "product" : {
            "name" : "Open Source Xen 4.18.x",
            "product_id" : "T038923-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.18.x"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.19.x",
          "product" : {
            "name" : "Open Source Xen <4.19.x",
            "product_id" : "T038924"
          }
        }, {
          "category" : "product_version",
          "name" : "4.19.x",
          "product" : {
            "name" : "Open Source Xen 4.19.x",
            "product_id" : "T038924-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.19.x"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<xsa477-4.18.patch",
          "product" : {
            "name" : "Open Source Xen <xsa477-4.18.patch",
            "product_id" : "T050326"
          }
        }, {
          "category" : "product_version",
          "name" : "xsa477-4.18.patch",
          "product" : {
            "name" : "Open Source Xen xsa477-4.18.patch",
            "product_id" : "T050326-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:xsa477-4.18.patch"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<xsa478.patch",
          "product" : {
            "name" : "Open Source Xen <xsa478.patch",
            "product_id" : "T050327"
          }
        }, {
          "category" : "product_version",
          "name" : "xsa478.patch",
          "product" : {
            "name" : "Open Source Xen xsa478.patch",
            "product_id" : "T050327-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:xsa478.patch"
            }
          }
        } ],
        "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" : "product_name",
        "name" : "SUSE openSUSE",
        "product" : {
          "name" : "SUSE openSUSE",
          "product_id" : "T027843",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:opensuse:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2025-58150",
    "product_status" : {
      "known_affected" : [ "T002207", "T038923", "T050326", "T038924", "T027843", "74185", "T043563" ]
    },
    "release_date" : "2026-01-26T23:00:00.000+00:00",
    "title" : "CVE-2025-58150"
  }, {
    "cve" : "CVE-2025-58151",
    "product_status" : {
      "known_affected" : [ "T002207", "T038923", "T050327", "T050326", "T027843", "74185", "T043563" ]
    },
    "release_date" : "2026-01-26T23:00:00.000+00:00",
    "title" : "CVE-2025-58151"
  } ]
}