WID-SEC-W-2026-1633
Vulnerability from csaf_certbund - Published: 2026-05-20 22:00 - Updated: 2026-06-11 22:00Summary
Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation
Severity
Hoch
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 im Linux Kernel ausnutzen, um seine Privilegien zu erhöhen.
Betroffene Betriebssysteme: - Linux
Affected products
Known affected
6 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Open Source Linux Kernel <7.1-rc4
Open Source / Linux Kernel
|
<7.1-rc4 | ||
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Amazon Linux 2
Amazon
|
cpe:/o:amazon:linux_2:-
|
— |
References
41 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"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 im Linux Kernel ausnutzen, um seine Privilegien zu erh\u00f6hen.",
"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-2026-1633 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1633.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1633 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1633"
},
{
"category": "external",
"summary": "Linux Kernel netdev mailing list vom 2026-05-20",
"url": "https://lore.kernel.org/netdev/20260505234336.2132721-1-achender@kernel.org/"
},
{
"category": "external",
"summary": "PinTheft Writeup + PoC vom 2026-05-20",
"url": "https://github.com/v12-security/pocs/tree/09e835b587bf71249775654061ae4c79e92cf430/pintheft"
},
{
"category": "external",
"summary": "Linux Kernel CVE Announcement vom 2026-05-21",
"url": "https://lore.kernel.org/linux-cve-announce/2026052130-CVE-2026-43494-a65a@gregkh/T/#u"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2026-120 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.10-2026-120.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2026-104 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.15-2026-104.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-302 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-302.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-305 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-305.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-301 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-301.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-304 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-304.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-307 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-307.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.4-2026-124 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.4-2026-124.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-303 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-303.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-306 vom 2026-05-26",
"url": "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-306.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-6305 vom 2026-05-28",
"url": "https://lists.debian.org/debian-security-announce/2026/msg00216.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21841-1 vom 2026-05-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026384.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21834-1 vom 2026-05-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026381.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2111-1 vom 2026-05-30",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026397.html"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:20826-1 vom 2026-05-29",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/7D6UU5UPSRF74AUKK2CVVWC3NKU2VIUP/"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21845-1 vom 2026-06-01",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026437.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2195-1 vom 2026-06-01",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026416.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2202-1 vom 2026-06-01",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026424.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21860-1 vom 2026-06-01",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026426.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21866-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026524.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21877-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026514.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8371-1 vom 2026-06-02",
"url": "https://ubuntu.com/security/notices/USN-8371-1"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21916-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026478.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21919-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026475.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21868-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026522.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21947-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026447.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2215-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026445.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8370-1 vom 2026-06-02",
"url": "https://ubuntu.com/security/notices/USN-8370-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8374-1 vom 2026-06-02",
"url": "https://ubuntu.com/security/notices/USN-8374-1"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21876-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026515.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8373-1 vom 2026-06-02",
"url": "https://ubuntu.com/security/notices/USN-8373-1"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2217-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026441.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2216-1 vom 2026-06-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026444.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2238-1 vom 2026-06-03",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026559.html"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:10954-1 vom 2026-06-08",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/SCML3YIY7XP4A5LIAG3VJHEVKSFGU6XF/"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8426-1 vom 2026-06-12",
"url": "https://ubuntu.com/security/notices/USN-8426-1"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Schwachstelle erm\u00f6glicht Privilegieneskalation",
"tracking": {
"current_release_date": "2026-06-11T22:00:00.000+00:00",
"generator": {
"date": "2026-06-12T07:38:15.089+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-1633",
"initial_release_date": "2026-05-20T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-05-20T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-05-21T22:00:00.000+00:00",
"number": "2",
"summary": "Referenz(en) aufgenommen: EUVD-2026-31267"
},
{
"date": "2026-05-26T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2026-05-28T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2026-05-31T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von SUSE und openSUSE aufgenommen"
},
{
"date": "2026-06-01T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-06-02T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von SUSE und Ubuntu aufgenommen"
},
{
"date": "2026-06-04T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-06-08T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von openSUSE aufgenommen"
},
{
"date": "2026-06-11T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Ubuntu aufgenommen"
}
],
"status": "final",
"version": "10"
}
},
"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": "\u003c7.1-rc4",
"product": {
"name": "Open Source Linux Kernel \u003c7.1-rc4",
"product_id": "T054470"
}
},
{
"category": "product_version",
"name": "7.1-rc4",
"product": {
"name": "Open Source Linux Kernel 7.1-rc4",
"product_id": "T054470-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:7.1-rc4"
}
}
}
],
"category": "product_name",
"name": "Linux Kernel"
}
],
"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"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-43494",
"product_status": {
"known_affected": [
"2951",
"T002207",
"T054470",
"T000126",
"T027843",
"398363"
]
},
"release_date": "2026-05-20T22:00:00.000+00:00",
"title": "CVE-2026-43494"
}
]
}
Loading…
Loading…
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.
Loading…
Loading…