WID-SEC-W-2026-1530
Vulnerability from csaf_certbund - Published: 2026-05-14 22:00 - Updated: 2026-05-20 22:00Summary
Linux Kernel (Fragnesia): Schwachstelle ermöglicht Erlangen von Administratorrechten
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 in Linux Kernel ausnutzen, um Administratorrechte zu erlangen.
Betroffene Betriebssysteme: - Linux
Affected products
Known affected
6 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Open Source Linux Kernel
Open Source
|
cpe:/o:linux:linux_kernel:-
|
— | |
|
Amazon Linux 2
Amazon
|
cpe:/o:amazon:linux_2:-
|
— | |
|
Fedora Linux
Fedora
|
cpe:/o:fedoraproject:fedora:-
|
— |
References
40 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 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-2026-1530 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1530.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1530 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1530"
},
{
"category": "external",
"summary": "Red Hat Bugzilla Bug 2477015 vom 2026-05-13",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477015"
},
{
"category": "external",
"summary": "PoC CVE-2026-46300 vom 2026-05-13",
"url": "https://github.com/v12-security/pocs/blob/main/fragnesia%2FREADME.md"
},
{
"category": "external",
"summary": "Red Hat Security Advisory vom 2026-05-13",
"url": "https://access.redhat.com/security/cve/cve-2026-46300"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-CCCB681166 vom 2026-05-13",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-cccb681166"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-EC1C523FDB vom 2026-05-14",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-ec1c523fdb"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-4462EFC052 vom 2026-05-13",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-4462efc052"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:1909-1 vom 2026-05-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026084.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2-2026-3307 vom 2026-05-15",
"url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-3307.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2026-119 vom 2026-05-15",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.10-2026-119.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2026-103 vom 2026-05-15",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.15-2026-103.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:1904-1 vom 2026-05-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026087.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:1907-1 vom 2026-05-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026086.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.4-2026-122 vom 2026-05-15",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.4-2026-122.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:1899-1 vom 2026-05-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026090.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:1900-1 vom 2026-05-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026089.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:1908-1 vom 2026-05-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026085.html"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-2AEB7D033A vom 2026-05-15",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-2aeb7d033a"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-03BE3DC34B vom 2026-05-15",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-03be3dc34b"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-8B4A8D18D2 vom 2026-05-15",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-8b4a8d18d2"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:1959-1 vom 2026-05-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026125.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:1978-1 vom 2026-05-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026140.html"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-DB3618772B vom 2026-05-19",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-db3618772b"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-88A1FB9418 vom 2026-05-19",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-88a1fb9418"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2026-346FBEC5D5 vom 2026-05-19",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-346fbec5d5"
},
{
"category": "external",
"summary": "openSUSE Security Update OPENSUSE-SU-2026:20758-1 vom 2026-05-19",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/45QOQVK3DW34MAWEZNOXGCLMB4HJZVDJ/"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21673-1 vom 2026-05-19",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026162.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19540 vom 2026-05-20",
"url": "https://access.redhat.com/errata/RHSA-2026:19540"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21645-1 vom 2026-05-19",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026190.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21646-1 vom 2026-05-19",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026189.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:21684-1 vom 2026-05-19",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026154.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19521 vom 2026-05-20",
"url": "https://access.redhat.com/errata/RHSA-2026:19521"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19875 vom 2026-05-21",
"url": "https://access.redhat.com/errata/RHSA-2026:19875"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19568 vom 2026-05-21",
"url": "https://access.redhat.com/errata/RHSA-2026:19568"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19569 vom 2026-05-20",
"url": "https://access.redhat.com/errata/RHSA-2026:19569"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19705 vom 2026-05-20",
"url": "https://access.redhat.com/errata/RHSA-2026:19705"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19664 vom 2026-05-20",
"url": "https://access.redhat.com/errata/RHSA-2026:19664"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19711 vom 2026-05-20",
"url": "https://access.redhat.com/errata/RHSA-2026:19711"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:19666 vom 2026-05-20",
"url": "https://access.redhat.com/errata/RHSA-2026:19666"
}
],
"source_lang": "en-US",
"title": "Linux Kernel (Fragnesia): Schwachstelle erm\u00f6glicht Erlangen von Administratorrechten",
"tracking": {
"current_release_date": "2026-05-20T22:00:00.000+00:00",
"generator": {
"date": "2026-05-21T07:35:35.252+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-1530",
"initial_release_date": "2026-05-14T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-05-14T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-05-17T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von SUSE und Amazon aufgenommen"
},
{
"date": "2026-05-18T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE und Fedora aufgenommen"
},
{
"date": "2026-05-19T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von SUSE und Red Hat aufgenommen"
},
{
"date": "2026-05-20T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Red Hat aufgenommen"
}
],
"status": "final",
"version": "5"
}
},
"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": "Fedora Linux",
"product": {
"name": "Fedora Linux",
"product_id": "74185",
"product_identification_helper": {
"cpe": "cpe:/o:fedoraproject:fedora:-"
}
}
}
],
"category": "vendor",
"name": "Fedora"
},
{
"branches": [
{
"category": "product_name",
"name": "Open Source Linux Kernel",
"product": {
"name": "Open Source Linux Kernel",
"product_id": "T054119",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:-"
}
}
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"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"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-46300",
"product_status": {
"known_affected": [
"T002207",
"67646",
"T027843",
"T054119",
"398363",
"74185"
]
},
"release_date": "2026-05-14T22:00:00.000+00:00",
"title": "CVE-2026-46300"
}
]
}
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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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