WID-SEC-W-2026-2640
Vulnerability from csaf_certbund - Published: 2026-08-03 22:00 - Updated: 2026-08-10 22:00Summary
Linux Kernel: Mehrere Schwachstellen
Severity
Kritisch
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: Der Kernel stellt den Kern des Linux Betriebssystems dar.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um vertrauliche Informationen offenzulegen, Daten zu manipulieren, einen Denial-of-Service-Zustand zu verursachen oder seine Rechte zu erweitern.
Betroffene Betriebssysteme: - Linux
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
Open Source Linux Kernel
Open Source
|
cpe:/o:linux:linux_kernel:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Google Cloud Platform
Google
|
cpe:/a:google:cloud_platform:-
|
— |
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
Open Source Linux Kernel
Open Source
|
cpe:/o:linux:linux_kernel:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Google Cloud Platform
Google
|
cpe:/a:google:cloud_platform:-
|
— |
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
Open Source Linux Kernel
Open Source
|
cpe:/o:linux:linux_kernel:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Google Cloud Platform
Google
|
cpe:/a:google:cloud_platform:-
|
— |
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
Open Source Linux Kernel
Open Source
|
cpe:/o:linux:linux_kernel:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Google Cloud Platform
Google
|
cpe:/a:google:cloud_platform:-
|
— |
Affected products
Known affected
5 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
Open Source Linux Kernel
Open Source
|
cpe:/o:linux:linux_kernel:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Google Cloud Platform
Google
|
cpe:/a:google:cloud_platform:-
|
— |
References
16 references
{
"document": {
"aggregate_severity": {
"text": "kritisch"
},
"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": "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um vertrauliche Informationen offenzulegen, Daten zu manipulieren, einen Denial-of-Service-Zustand zu verursachen oder seine Rechte zu erweitern.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux",
"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-2026-2640 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2640.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2640 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2640"
},
{
"category": "external",
"summary": "Kernel CVE Announce Mailingliste",
"url": "https://lore.kernel.org/linux-cve-announce/"
},
{
"category": "external",
"summary": "Linux Kernel CVE Announcement CVE-2026-64561",
"url": "https://lore.kernel.org/linux-cve-announce/2026080401-CVE-2026-64561-d0d4@gregkh/"
},
{
"category": "external",
"summary": "Linux Kernel CVE Announcement CVE-2026-64562",
"url": "https://lore.kernel.org/linux-cve-announce/2026080404-CVE-2026-64562-8875@gregkh/"
},
{
"category": "external",
"summary": "Linux Kernel CVE Announcement CVE-2026-64563",
"url": "https://lore.kernel.org/linux-cve-announce/2026080404-CVE-2026-64563-9d7f@gregkh/"
},
{
"category": "external",
"summary": "Linux Kernel CVE Announcement CVE-2026-64564",
"url": "https://lore.kernel.org/linux-cve-announce/2026080404-CVE-2026-64564-6762@gregkh/"
},
{
"category": "external",
"summary": "Linux Kernel CVE Announcement CVE-2026-64565",
"url": "https://lore.kernel.org/linux-cve-announce/2026080404-CVE-2026-64565-557c@gregkh/"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-500137 vom 2026-08-07",
"url": "http://linux.oracle.com/errata/ELSA-2026-500137.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-500135 vom 2026-08-07",
"url": "http://linux.oracle.com/errata/ELSA-2026-500135.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-500135 vom 2026-08-06",
"url": "https://linux.oracle.com/errata/ELSA-2026-500135.html"
},
{
"category": "external",
"summary": "Ecploit von Tencent Zhuque Lab vom 2026-08-09",
"url": "https://matrix.tencent.com/en/2026/08/06/sctphantom-CVE-2026-64564"
},
{
"category": "external",
"summary": "Google Cloud Platform Security Bulletin GCP-2026-052 vom 2026-08-08",
"url": "https://docs.cloud.google.com/support/bulletins#gcp-2026-052"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-6415 vom 2026-08-07",
"url": "https://security-tracker.debian.org/tracker/DSA-6415-1"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-500150 vom 2026-08-11",
"url": "http://linux.oracle.com/errata/ELSA-2026-500150.html"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:11476-1 vom 2026-08-10",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/4IVL5FW6PHMMMUN3JJLKHIONSLZGOPQ2/"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-08-10T22:00:00.000+00:00",
"generator": {
"date": "2026-08-11T08:57:07.119+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2640",
"initial_release_date": "2026-08-03T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-08-03T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-08-06T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-08-09T22:00:00.000+00:00",
"number": "3",
"summary": "Beschreibung und Bewertung aufgrund neuer Informationen angepasst, Exploit aufgenommen"
},
{
"date": "2026-08-10T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Oracle Linux und openSUSE aufgenommen"
}
],
"status": "final",
"version": "4"
}
},
"product_tree": {
"branches": [
{
"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": "Google Cloud Platform",
"product": {
"name": "Google Cloud Platform",
"product_id": "393401",
"product_identification_helper": {
"cpe": "cpe:/a:google:cloud_platform:-"
}
}
}
],
"category": "vendor",
"name": "Google"
},
{
"branches": [
{
"category": "product_name",
"name": "Open Source Linux Kernel",
"product": {
"name": "Open Source Linux Kernel",
"product_id": "T057519",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:-"
}
}
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T056236",
"product_identification_helper": {
"cpe": "cpe:/o:oracle:linux:-"
}
}
}
],
"category": "vendor",
"name": "Oracle"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE openSUSE",
"product": {
"name": "SUSE openSUSE",
"product_id": "T055946",
"product_identification_helper": {
"cpe": "cpe:/o:suse:opensuse:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-64561",
"product_status": {
"known_affected": [
"T056236",
"2951",
"T057519",
"T055946",
"393401"
]
},
"release_date": "2026-08-03T22:00:00.000+00:00",
"title": "CVE-2026-64561"
},
{
"cve": "CVE-2026-64562",
"product_status": {
"known_affected": [
"T056236",
"2951",
"T057519",
"T055946",
"393401"
]
},
"release_date": "2026-08-03T22:00:00.000+00:00",
"title": "CVE-2026-64562"
},
{
"cve": "CVE-2026-64563",
"product_status": {
"known_affected": [
"T056236",
"2951",
"T057519",
"T055946",
"393401"
]
},
"release_date": "2026-08-03T22:00:00.000+00:00",
"title": "CVE-2026-64563"
},
{
"cve": "CVE-2026-64564",
"product_status": {
"known_affected": [
"T056236",
"2951",
"T057519",
"T055946",
"393401"
]
},
"release_date": "2026-08-03T22:00:00.000+00:00",
"title": "CVE-2026-64564"
},
{
"cve": "CVE-2026-64565",
"product_status": {
"known_affected": [
"T056236",
"2951",
"T057519",
"T055946",
"393401"
]
},
"release_date": "2026-08-03T22:00:00.000+00:00",
"title": "CVE-2026-64565"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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