WID-SEC-W-2026-1175
Vulnerability from csaf_certbund - Published: 2026-04-19 22:00 - Updated: 2026-05-28 22:00Summary
AMD Prozessoren und Xen: Schwachstelle ermöglicht Offenlegung von Informationen
Severity
Niedrig
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: Prozessoren sind die zentralen Rechenwerke eines Computers.
Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) für die darauf laufenden Systeme (Domains) paravirtualisiert.
Angriff: Ein lokaler Angreifer kann eine Schwachstelle in AMD Prozessoren und Xen ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme: - Linux
- Sonstiges
- UNIX
Affected products
Known affected
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
AMD Prozessor Ryzen 3000 Series
AMD / Prozessor
|
cpe:/h:amd:amd_processor:ryzen_3000_series
|
Ryzen 3000 Series | |
|
AMD Prozessor Ryzen PRO 3000 Series
AMD / Prozessor
|
cpe:/h:amd:amd_processor:ryzen_pro_3000_series
|
Ryzen PRO 3000 Series | |
|
AMD Prozessor EPYC Embedded 3000 Series
AMD / Prozessor
|
cpe:/h:amd:amd_processor:epyc_embedded_3000_series
|
EPYC Embedded 3000 Series | |
|
AMD Prozessor Athlon 3000 Series
AMD / Prozessor
|
cpe:/h:amd:amd_processor:athlon_3000_series
|
Athlon 3000 Series | |
|
Open Source Xen <xsa488-4.18.patch
Open Source / Xen
|
<xsa488-4.18.patch | ||
|
AMD Prozessor EPYC 7001 Series
AMD / Prozessor
|
cpe:/h:amd:amd_processor:epyc_7001_series
|
EPYC 7001 Series | |
|
Open Source Xen <xsa488-4.20.patch
Open Source / Xen
|
<xsa488-4.20.patch | ||
|
Fedora Linux
Fedora
|
cpe:/o:fedoraproject:fedora:-
|
— | |
|
Open Source Xen <xsa488.patch
Open Source / Xen
|
<xsa488.patch | ||
|
Open Source Xen <xsa488-4.17.patch
Open Source / Xen
|
<xsa488-4.17.patch |
References
12 references
{
"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 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": "Prozessoren sind die zentralen Rechenwerke eines Computers.\r\nXen 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 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 f\u00fcr 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 erm\u00f6glicht 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": "\u003cxsa488.patch",
"product": {
"name": "Open Source Xen \u003cxsa488.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": "\u003cxsa488-4.17.patch",
"product": {
"name": "Open Source Xen \u003cxsa488-4.17.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": "\u003cxsa488-4.18.patch",
"product": {
"name": "Open Source Xen \u003cxsa488-4.18.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": "\u003cxsa488-4.20.patch",
"product": {
"name": "Open Source Xen \u003cxsa488-4.20.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"
}
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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