WID-SEC-W-2026-1771
Vulnerability from csaf_certbund - Published: 2026-06-01 22:00 - Updated: 2026-07-01 22:00Summary
Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation
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 seine Privilegien zu erhöhen.
Betroffene Betriebssysteme: - Linux
Affected products
Known affected
9 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Open Source Linux Kernel
Open Source
|
cpe:/o:linux:linux_kernel:-
|
— | |
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
SUSE openSUSE
SUSE
|
cpe:/o:suse:opensuse:-
|
— | |
|
Amazon Linux 2
Amazon
|
cpe:/o:amazon:linux_2:-
|
— | |
|
Microsoft Azure Linux azl3
Microsoft / Azure Linux
|
cpe:/o:microsoft:azure_linux:azl3
|
azl3 | |
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
RESF Rocky Linux
RESF
|
cpe:/o:resf:rocky_linux:-
|
— |
References
61 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 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-2026-1771 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1771.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1771 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1771"
},
{
"category": "external",
"summary": "Linux Kernel CVE Announcement CVE-2026-46243 vom 2026-06-01",
"url": "https://lore.kernel.org/linux-cve-announce/2026060140-CVE-2026-46243-3d1c@gregkh/"
},
{
"category": "external",
"summary": "Mailing list OSS-Security vom 2026-06-01",
"url": "https://seclists.org/oss-sec/2026/q2/767"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-3MG7-PFMQ-9QFV vom 2026-06-01",
"url": "https://github.com/advisories/GHSA-3MG7-PFMQ-9QFV"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:23259 vom 2026-06-04",
"url": "https://access.redhat.com/errata/RHSA-2026:23259"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:23329 vom 2026-06-04",
"url": "https://access.redhat.com/errata/RHSA-2026:23329"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:23395 vom 2026-06-04",
"url": "https://access.redhat.com/errata/RHSA-2026:23395"
},
{
"category": "external",
"summary": "Microsoft Security Advisory vom 2026-06-05",
"url": "https://msrc.microsoft.com/update-guide/"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:23258 vom 2026-06-04",
"url": "https://access.redhat.com/errata/RHSA-2026:23258"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-23258 vom 2026-06-06",
"url": "https://linux.oracle.com/errata/ELSA-2026-23258.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:24381 vom 2026-06-08",
"url": "https://access.redhat.com/errata/RHSA-2026:24381"
},
{
"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": "openSUSE Security Update OPENSUSE-SU-2026:20912-1 vom 2026-06-08",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/FZM3URQQWLAAXA44ZXVWIGRPJ3OVLFFC/"
},
{
"category": "external",
"summary": "Microsoft Security Update Guide vom 2026-06-09",
"url": "https://msrc.microsoft.com/update-guide/"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2310-1 vom 2026-06-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026651.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22048-1 vom 2026-06-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026660.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22043-1 vom 2026-06-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026665.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2317-1 vom 2026-06-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026672.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2331-1 vom 2026-06-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026686.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2332-1 vom 2026-06-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026685.html"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:23258 vom 2026-06-11",
"url": "https://errata.build.resf.org/RLSA-2026:23258"
},
{
"category": "external",
"summary": "Rocky Linux Security Advisory RLSA-2026:23259 vom 2026-06-11",
"url": "https://errata.build.resf.org/RLSA-2026:23259"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2383-1 vom 2026-06-12",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026723.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22076-1 vom 2026-06-15",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026754.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:22087-1 vom 2026-06-15",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026746.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:25908 vom 2026-06-15",
"url": "https://access.redhat.com/errata/RHSA-2026:25908"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:26515 vom 2026-06-17",
"url": "https://access.redhat.com/errata/RHSA-2026:26515"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:26462 vom 2026-06-17",
"url": "https://access.redhat.com/errata/RHSA-2026:26462"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2421-1 vom 2026-06-16",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026795.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:26535 vom 2026-06-17",
"url": "https://access.redhat.com/errata/RHSA-2026:26535"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:26570 vom 2026-06-17",
"url": "https://access.redhat.com/errata/RHSA-2026:26570"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2450-1 vom 2026-06-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026829.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:26563 vom 2026-06-22",
"url": "https://access.redhat.com/errata/RHSA-2026:26563"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2026-105 vom 2026-06-22",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.15-2026-105.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2-2026-3374 vom 2026-06-22",
"url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-3374.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.4-2026-125 vom 2026-06-22",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.4-2026-125.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2026-122 vom 2026-06-22",
"url": "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.10-2026-122.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2482-1 vom 2026-06-22",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026851.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:2591-1 vom 2026-06-23",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026952.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-27789 vom 2026-06-27",
"url": "http://linux.oracle.com/errata/ELSA-2026-27789.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:33219 vom 2026-06-29",
"url": "https://access.redhat.com/errata/RHSA-2026:33219"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:33220 vom 2026-06-29",
"url": "https://access.redhat.com/errata/RHSA-2026:33220"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:33222 vom 2026-06-29",
"url": "https://access.redhat.com/errata/RHSA-2026:33222"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:33221 vom 2026-06-29",
"url": "https://access.redhat.com/errata/RHSA-2026:33221"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:33224 vom 2026-06-30",
"url": "https://access.redhat.com/errata/RHSA-2026:33224"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:33224 vom 2026-06-29",
"url": "https://access.redhat.com/errata/RHSA-2026:33224"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:33225 vom 2026-06-30",
"url": "https://access.redhat.com/errata/RHSA-2026:33225"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-25217 vom 2026-06-30",
"url": "https://linux.oracle.com/errata/ELSA-2026-25217.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-24381 vom 2026-06-30",
"url": "https://linux.oracle.com/errata/ELSA-2026-24381.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:33486 vom 2026-06-30",
"url": "https://access.redhat.com/errata/RHSA-2026:33486"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-21556 vom 2026-07-01",
"url": "https://linux.oracle.com/errata/ELSA-2026-21556.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-19568 vom 2026-07-01",
"url": "https://linux.oracle.com/errata/ELSA-2026-19568.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2026-18587 vom 2026-07-01",
"url": "https://linux.oracle.com/errata/ELSA-2026-18587.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8488-1 vom 2026-07-01",
"url": "https://ubuntu.com/security/notices/USN-8488-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8491-1 vom 2026-07-01",
"url": "https://ubuntu.com/security/notices/USN-8491-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8492-1 vom 2026-07-01",
"url": "https://ubuntu.com/security/notices/USN-8492-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8490-1 vom 2026-07-01",
"url": "https://ubuntu.com/security/notices/USN-8490-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8489-1 vom 2026-07-01",
"url": "https://ubuntu.com/security/notices/USN-8489-1"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:28887 vom 2026-07-01",
"url": "https://access.redhat.com/errata/RHSA-2026:28887"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-8493-1 vom 2026-07-01",
"url": "https://ubuntu.com/security/notices/USN-8493-1"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Schwachstelle erm\u00f6glicht Privilegieneskalation",
"tracking": {
"current_release_date": "2026-07-01T22:00:00.000+00:00",
"generator": {
"date": "2026-07-02T09:23:34.289+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-1771",
"initial_release_date": "2026-06-01T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-06-01T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-06-04T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-06-07T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-06-08T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat und openSUSE aufgenommen"
},
{
"date": "2026-06-09T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-06-10T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von SUSE und Rocky Enterprise Software Foundation aufgenommen"
},
{
"date": "2026-06-14T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-06-16T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Red Hat und SUSE aufgenommen"
},
{
"date": "2026-06-17T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-06-18T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-06-21T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-06-22T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Amazon und SUSE aufgenommen"
},
{
"date": "2026-06-23T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-06-28T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2026-06-29T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-06-30T22:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-01T22:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von Ubuntu und Red Hat aufgenommen"
}
],
"status": "final",
"version": "17"
}
},
"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": [
{
"branches": [
{
"category": "product_version",
"name": "azl3",
"product": {
"name": "Microsoft Azure Linux azl3",
"product_id": "T049210",
"product_identification_helper": {
"cpe": "cpe:/o:microsoft:azure_linux:azl3"
}
}
}
],
"category": "product_name",
"name": "Azure Linux"
}
],
"category": "vendor",
"name": "Microsoft"
},
{
"branches": [
{
"category": "product_name",
"name": "Open Source Linux Kernel",
"product": {
"name": "Open Source Linux Kernel",
"product_id": "T043337",
"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": "T004914",
"product_identification_helper": {
"cpe": "cpe:/o:oracle:linux:-"
}
}
}
],
"category": "vendor",
"name": "Oracle"
},
{
"branches": [
{
"category": "product_name",
"name": "RESF Rocky Linux",
"product": {
"name": "RESF Rocky Linux",
"product_id": "T032255",
"product_identification_helper": {
"cpe": "cpe:/o:resf:rocky_linux:-"
}
}
}
],
"category": "vendor",
"name": "RESF"
},
{
"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"
},
{
"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-2026-46243",
"product_status": {
"known_affected": [
"T002207",
"T043337",
"67646",
"T000126",
"T027843",
"398363",
"T049210",
"T004914",
"T032255"
]
},
"release_date": "2026-06-01T22:00:00.000+00:00",
"title": "CVE-2026-46243"
}
]
}
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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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