WID-SEC-W-2026-2158
Vulnerability from csaf_certbund - Published: 2026-06-30 22:00 - Updated: 2026-07-21 22:00Summary
Linux Kernel: Schwachstelle ermöglicht Erlangen von Administratorrechten
Severity
Mittel
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 lokaler Angreifer kann eine Schwachstelle in Linux Kernel ausnutzen, um Administratorrechte zu erlangen.
Betroffene Betriebssysteme: - Linux
Affected products
Known affected
13 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Linux Kernel <6.1.176
Open Source / Linux Kernel
|
<6.1.176 | ||
|
Open Source Linux Kernel <6.6.143
Open Source / Linux Kernel
|
<6.6.143 | ||
|
Open Source Linux Kernel <6.12.93
Open Source / Linux Kernel
|
<6.12.93 | ||
|
Open Source Linux Kernel <6.18.35
Open Source / Linux Kernel
|
<6.18.35 | ||
|
Open Source Linux Kernel <7.0.12
Open Source / Linux Kernel
|
<7.0.12 | ||
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Open Source Linux Kernel <7.1
Open Source / Linux Kernel
|
<7.1 | ||
|
Open Source Linux Kernel <5.10.259
Open Source / Linux Kernel
|
<5.10.259 | ||
|
Open Source Linux Kernel <5.15.210
Open Source / Linux Kernel
|
<5.15.210 | ||
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
Amazon Linux 2
Amazon
|
cpe:/o:amazon:linux_2:-
|
— |
References
98 references
{
"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": "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein lokaler Angreifer kann eine Schwachstelle in Linux Kernel ausnutzen, um Administratorrechte zu erlangen.",
"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-2026-2158 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2158.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-2158 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2158"
},
{
"category": "external",
"summary": "Linux CVE Announcement vom 2026-06-30",
"url": "https://lore.kernel.org/linux-cve-announce/2026062406-CVE-2026-52943-88f7@gregkh/"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-vwrr-994w-h832 vom 2026-06-30",
"url": "https://github.com/advisories/GHSA-vwrr-994w-h832"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-50351 vom 2026-07-01",
"url": "http://linux.oracle.com/errata/ELSA-2026-50351.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-50352 vom 2026-07-01",
"url": "http://linux.oracle.com/errata/ELSA-2026-50352.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-4665 vom 2026-07-03",
"url": "https://lists.debian.org/debian-lts-announce/2026/07/msg00006.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-4664 vom 2026-07-03",
"url": "https://lists.debian.org/debian-lts-announce/2026/07/msg00005.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-4671 vom 2026-07-05",
"url": "https://lists.debian.org/debian-lts-announce/2026/07/msg00012.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-50372 vom 2026-07-07",
"url": "http://linux.oracle.com/errata/ELSA-2026-50372.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-50373 vom 2026-07-07",
"url": "https://oss.oracle.com/pipermail/el-errata/2026-July/020886.html"
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{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-50374 vom 2026-07-07",
"url": "http://linux.oracle.com/errata/ELSA-2026-50374.html"
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{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2026-124 vom 2026-07-08",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.10-2026-124.html"
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"summary": "SUSE Security Update SUSE-SU-2026:22690-1 vom 2026-07-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027637.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22691-1 vom 2026-07-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027636.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22692-1 vom 2026-07-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027635.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22693-1 vom 2026-07-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027634.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22694-1 vom 2026-07-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027633.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22695-1 vom 2026-07-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027632.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22696-1 vom 2026-07-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027631.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22697-1 vom 2026-07-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027630.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2026-110 vom 2026-07-20",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.15-2026-110.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:3156-1 vom 2026-07-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027682.html"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Schwachstelle erm\u00f6glicht Erlangen von Administratorrechten",
"tracking": {
"current_release_date": "2026-07-21T22:00:00.000+00:00",
"generator": {
"date": "2026-07-22T09:19:26.381+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-2158",
"initial_release_date": "2026-06-30T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-06-30T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-07-05T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2026-07-06T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-07-07T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2026-07-08T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-07-12T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Oracle Linux und SUSE aufgenommen"
},
{
"date": "2026-07-13T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-07-14T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-07-15T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-07-16T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-07-19T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-07-20T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von SUSE, Ubuntu und Amazon aufgenommen"
},
{
"date": "2026-07-21T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von SUSE aufgenommen"
}
],
"status": "final",
"version": "13"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Amazon Linux 2",
"product": {
"name": "Amazon Linux 2",
"product_id": "398363",
"product_identification_helper": {
"cpe": "cpe:/o:amazon:linux_2:-"
}
}
}
],
"category": "vendor",
"name": "Amazon"
},
{
"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": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c5.10.259",
"product": {
"name": "Open Source Linux Kernel \u003c5.10.259",
"product_id": "T056014"
}
},
{
"category": "product_version",
"name": "5.10.259",
"product": {
"name": "Open Source Linux Kernel 5.10.259",
"product_id": "T056014-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:5.10.259"
}
}
},
{
"category": "product_version_range",
"name": "\u003c5.15.210",
"product": {
"name": "Open Source Linux Kernel \u003c5.15.210",
"product_id": "T056015"
}
},
{
"category": "product_version",
"name": "5.15.210",
"product": {
"name": "Open Source Linux Kernel 5.15.210",
"product_id": "T056015-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:5.15.210"
}
}
},
{
"category": "product_version_range",
"name": "\u003c6.1.176",
"product": {
"name": "Open Source Linux Kernel \u003c6.1.176",
"product_id": "T056016"
}
},
{
"category": "product_version",
"name": "6.1.176",
"product": {
"name": "Open Source Linux Kernel 6.1.176",
"product_id": "T056016-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:6.1.176"
}
}
},
{
"category": "product_version_range",
"name": "\u003c6.6.143",
"product": {
"name": "Open Source Linux Kernel \u003c6.6.143",
"product_id": "T056018"
}
},
{
"category": "product_version",
"name": "6.6.143",
"product": {
"name": "Open Source Linux Kernel 6.6.143",
"product_id": "T056018-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:6.6.143"
}
}
},
{
"category": "product_version_range",
"name": "\u003c6.12.93",
"product": {
"name": "Open Source Linux Kernel \u003c6.12.93",
"product_id": "T056019"
}
},
{
"category": "product_version",
"name": "6.12.93",
"product": {
"name": "Open Source Linux Kernel 6.12.93",
"product_id": "T056019-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:6.12.93"
}
}
},
{
"category": "product_version_range",
"name": "\u003c6.18.35",
"product": {
"name": "Open Source Linux Kernel \u003c6.18.35",
"product_id": "T056021"
}
},
{
"category": "product_version",
"name": "6.18.35",
"product": {
"name": "Open Source Linux Kernel 6.18.35",
"product_id": "T056021-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:6.18.35"
}
}
},
{
"category": "product_version_range",
"name": "\u003c7.0.12",
"product": {
"name": "Open Source Linux Kernel \u003c7.0.12",
"product_id": "T056022"
}
},
{
"category": "product_version",
"name": "7.0.12",
"product": {
"name": "Open Source Linux Kernel 7.0.12",
"product_id": "T056022-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:7.0.12"
}
}
},
{
"category": "product_version_range",
"name": "\u003c7.1",
"product": {
"name": "Open Source Linux Kernel \u003c7.1",
"product_id": "T056024"
}
},
{
"category": "product_version",
"name": "7.1",
"product": {
"name": "Open Source Linux Kernel 7.1",
"product_id": "T056024-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:7.1"
}
}
}
],
"category": "product_name",
"name": "Linux Kernel"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T004914",
"product_identification_helper": {
"cpe": "cpe:/o:oracle:linux:-"
}
}
}
],
"category": "vendor",
"name": "Oracle"
},
{
"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"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T055947",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-52943",
"product_status": {
"known_affected": [
"T056016",
"T056018",
"T056019",
"T056021",
"T056022",
"T004914",
"T056024",
"T056014",
"T056015",
"2951",
"T002207",
"T055947",
"398363"
]
},
"release_date": "2026-06-30T22:00:00.000+00:00",
"title": "CVE-2026-52943"
}
]
}
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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.
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