{
  "document" : {
    "aggregate_severity" : {
      "text" : "niedrig"
    },
    "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" : "Prozessoren sind die zentralen Rechenwerke eines Computers.\r\nXen 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 eine Schwachstelle in AMD Prozessoren und Xen ausnutzen, um Informationen offenzulegen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- 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-2026-1175 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1175.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1175 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1175"
    }, {
      "category" : "external",
      "summary" : "AMD Security Bulletin vom 2026-04-19",
      "url" : "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7053.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-04-19",
      "url" : "https://seclists.org/oss-sec/2026/q2/167"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1645-1 vom 2026-04-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025754.html"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-0C9AFF64A5 vom 2026-04-29",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-0c9aff64a5"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-78CD69D9AE vom 2026-04-29",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-78cd69d9ae"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1657-1 vom 2026-04-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025766.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1692-1 vom 2026-05-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/025844.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1743-1 vom 2026-05-07",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/025928.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:2066-1 vom 2026-05-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026281.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:2102-1 vom 2026-05-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026374.html"
    } ],
    "source_lang" : "en-US",
    "title" : "AMD Prozessoren und Xen: Schwachstelle ermöglicht Offenlegung von Informationen",
    "tracking" : {
      "current_release_date" : "2026-05-28T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-05-29T07:31:31.803+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-1175",
      "initial_release_date" : "2026-04-19T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-04-19T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-04-27T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Referenz(en) aufgenommen: EUVD-2025-209577"
      }, {
        "date" : "2026-04-28T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-04-29T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Fedora und SUSE aufgenommen"
      }, {
        "date" : "2026-05-05T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-05-07T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-05-26T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-05-28T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "8"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "EPYC 7001 Series",
          "product" : {
            "name" : "AMD Prozessor EPYC 7001 Series",
            "product_id" : "T052983",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:amd:amd_processor:epyc_7001_series"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "EPYC Embedded 3000 Series",
          "product" : {
            "name" : "AMD Prozessor EPYC Embedded 3000 Series",
            "product_id" : "T052986",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:amd:amd_processor:epyc_embedded_3000_series"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "Athlon 3000 Series",
          "product" : {
            "name" : "AMD Prozessor Athlon 3000 Series",
            "product_id" : "T052987",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:amd:amd_processor:athlon_3000_series"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "Ryzen 3000 Series",
          "product" : {
            "name" : "AMD Prozessor Ryzen 3000 Series",
            "product_id" : "T052988",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:amd:amd_processor:ryzen_3000_series"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "Ryzen PRO 3000 Series",
          "product" : {
            "name" : "AMD Prozessor Ryzen PRO 3000 Series",
            "product_id" : "T052989",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:amd:amd_processor:ryzen_pro_3000_series"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Prozessor"
      } ],
      "category" : "vendor",
      "name" : "AMD"
    }, {
      "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" : "<xsa488.patch",
          "product" : {
            "name" : "Open Source Xen <xsa488.patch",
            "product_id" : "T052991"
          }
        }, {
          "category" : "product_version",
          "name" : "xsa488.patch",
          "product" : {
            "name" : "Open Source Xen xsa488.patch",
            "product_id" : "T052991-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:xsa488.patch"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<xsa488-4.17.patch",
          "product" : {
            "name" : "Open Source Xen <xsa488-4.17.patch",
            "product_id" : "T052992"
          }
        }, {
          "category" : "product_version",
          "name" : "xsa488-4.17.patch",
          "product" : {
            "name" : "Open Source Xen xsa488-4.17.patch",
            "product_id" : "T052992-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:xsa488-4.17.patch"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<xsa488-4.18.patch",
          "product" : {
            "name" : "Open Source Xen <xsa488-4.18.patch",
            "product_id" : "T052993"
          }
        }, {
          "category" : "product_version",
          "name" : "xsa488-4.18.patch",
          "product" : {
            "name" : "Open Source Xen xsa488-4.18.patch",
            "product_id" : "T052993-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:xsa488-4.18.patch"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<xsa488-4.20.patch",
          "product" : {
            "name" : "Open Source Xen <xsa488-4.20.patch",
            "product_id" : "T052994"
          }
        }, {
          "category" : "product_version",
          "name" : "xsa488-4.20.patch",
          "product" : {
            "name" : "Open Source Xen xsa488-4.20.patch",
            "product_id" : "T052994-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:xsa488-4.20.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" : "vendor",
      "name" : "SUSE"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2025-54505",
    "product_status" : {
      "known_affected" : [ "T002207", "T052988", "T052989", "T052986", "T052987", "T052993", "T052983", "T052994", "74185", "T052991", "T052992" ]
    },
    "release_date" : "2026-04-19T22:00:00.000+00:00",
    "title" : "CVE-2025-54505"
  } ]
}