wid-sec-w-2025-1447
Vulnerability from csaf_certbund
Published
2025-07-01 22:00
Modified
2025-07-22 22:00
Summary
Xen: Schwachstelle ermöglicht Denial of Service

Notes

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.
Produktbeschreibung
Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) für die darauf laufenden Systeme (Domains) paravirtualisiert.
Angriff
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Xen ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Sonstiges - UNIX


To clipboard 

{
  "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 f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) f\u00fcr die darauf laufenden Systeme (Domains) paravirtualisiert.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Xen ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2025-1447 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1447.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-1447 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1447"
      },
      {
        "category": "external",
        "summary": "Xen Security Advisory XSA-470 vom 2025-07-01",
        "url": "https://xenbits.xen.org/xsa/advisory-470.html"
      },
      {
        "category": "external",
        "summary": "Citrix Security Advisory CTX694780 vom 2025-06-24",
        "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694780\u0026articleURL=XenServer_Security_Update_for_CVE_2025_27465"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2025:15342-1 vom 2025-07-12",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PTKZKBD5LRIUBCNJO4ON4DFH6PMVYLO5/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:02316-1 vom 2025-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021816.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:02319-1 vom 2025-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021813.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:02315-1 vom 2025-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021817.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:02325-1 vom 2025-07-16",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/V34T2ADBPUIYXBK7CDQ6YGNZJR5Q4URJ/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:02326-1 vom 2025-07-16",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/7K2UTRMLRMJHPTYHR2DUBWFSLIRYH3TW/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:02471-1 vom 2025-07-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2025-July/021931.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Xen: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2025-07-22T22:00:00.000+00:00",
      "generator": {
        "date": "2025-07-23T09:21:55.309+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.4.0"
        }
      },
      "id": "WID-SEC-W-2025-1447",
      "initial_release_date": "2025-07-01T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-07-01T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-07-02T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Citrix aufgenommen"
        },
        {
          "date": "2025-07-13T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von openSUSE aufgenommen"
        },
        {
          "date": "2025-07-15T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2025-07-16T22:00:00.000+00:00",
          "number": "5",
          "summary": "Referenz(en) aufgenommen: EUVD-2025-21593"
        },
        {
          "date": "2025-07-22T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "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": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "x86 \u003e=4.9",
                "product": {
                  "name": "Open Source Xen x86 \u003e=4.9",
                  "product_id": "T045002"
                }
              },
              {
                "category": "product_version_range",
                "name": "x86 \u003e=4.9",
                "product": {
                  "name": "Open Source Xen x86 \u003e=4.9",
                  "product_id": "T045002-fixed"
                }
              },
              {
                "category": "product_version_range",
                "name": "x86 \u003c4.17",
                "product": {
                  "name": "Open Source Xen x86 \u003c4.17",
                  "product_id": "T045003"
                }
              },
              {
                "category": "product_version",
                "name": "x86 4.17",
                "product": {
                  "name": "Open Source Xen x86 4.17",
                  "product_id": "T045003-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:xen:xen:x86__4.17"
                  }
                }
              }
            ],
            "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-2025-27465",
      "product_status": {
        "known_affected": [
          "T002207",
          "T027843",
          "T043563",
          "T045003"
        ]
      },
      "release_date": "2025-07-01T22:00:00.000+00:00",
      "title": "CVE-2025-27465"
    }
  ]
}


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