wid-sec-w-2022-0219
Vulnerability from csaf_certbund
Published
2021-08-31 22:00
Modified
2022-12-22 23:00
Summary
Linux Kernel: Schwachstelle ermöglicht Denial of Service
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 einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux
{
"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 im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
"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-2022-0219 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0219.json"
},
{
"category": "self",
"summary": "WID-SEC-2022-0219 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0219"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-3244 vom 2022-12-22",
"url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.4-2022-039 vom 2022-12-14",
"url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2022-039.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2022-023 vom 2022-12-08",
"url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-023.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5117-1 vom 2021-10-20",
"url": "https://ubuntu.com/security/notices/USN-5117-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5115-1 vom 2021-10-20",
"url": "https://ubuntu.com/security/notices/USN-5115-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5120-1 vom 2021-10-22",
"url": "https://ubuntu.com/security/notices/USN-5120-1"
},
{
"category": "external",
"summary": "Red Hat Bugzilla - Bug 1999675 vom 2021-09-01",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1999675"
},
{
"category": "external",
"summary": "PoC + Patch",
"url": "https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive@gmail.com/"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5136-1 vom 2021-11-09",
"url": "https://ubuntu.com/security/notices/USN-5136-1"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3178-1 vom 2021-09-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009473.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3179-1 vom 2021-09-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009475.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3177-1 vom 2021-09-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009470.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3192-1 vom 2021-09-22",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009486.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3217-1 vom 2021-09-23",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009503.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3205-1 vom 2021-09-23",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009505.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3206-1 vom 2021-09-23",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009499.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3207-1 vom 2021-09-23",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009508.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3387-1 vom 2021-10-12",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009583.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3415-1 vom 2021-10-13",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009591.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3205-2 vom 2021-10-13",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009590.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5137-1 vom 2021-11-09",
"url": "https://ubuntu.com/security/notices/USN-5137-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5135-1 vom 2021-11-09",
"url": "https://ubuntu.com/security/notices/USN-5135-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5137-2 vom 2021-11-11",
"url": "https://ubuntu.com/security/notices/USN-5137-2"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3876-1 vom 2021-12-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009810.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-1988 vom 2022-05-17",
"url": "https://linux.oracle.com/errata/ELSA-2022-1988.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2022:4956 vom 2022-06-09",
"url": "https://access.redhat.com/errata/RHSA-2022:4956"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2022:1975 vom 2022-05-10",
"url": "https://access.redhat.com/errata/RHSA-2022:1975"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2022:1988 vom 2022-05-10",
"url": "https://access.redhat.com/errata/RHSA-2022:1988"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2022:5483 vom 2022-07-01",
"url": "https://access.redhat.com/errata/RHSA-2022:5483"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
"tracking": {
"current_release_date": "2022-12-22T23:00:00.000+00:00",
"generator": {
"date": "2024-02-15T16:47:20.231+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.0"
}
},
"id": "WID-SEC-W-2022-0219",
"initial_release_date": "2021-08-31T22:00:00.000+00:00",
"revision_history": [
{
"date": "2021-08-31T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2021-09-21T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-09-22T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-09-23T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-10-12T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-10-13T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-10-20T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2021-10-21T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2021-11-08T23:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2021-11-10T23:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2021-12-02T23:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-05-10T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2022-05-17T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2022-06-08T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2022-07-03T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2022-12-08T23:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2022-12-14T23:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2022-12-22T23:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von Debian aufgenommen"
}
],
"status": "final",
"version": "18"
}
},
"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": [
{
"category": "product_name",
"name": "Open Source Linux Kernel",
"product": {
"name": "Open Source Linux Kernel",
"product_id": "6368",
"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": "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": "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-2021-3759",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle im Linux Kernel bez\u00fcglich des \"memcg subsystem\" in \"ipc/sem.c\". Die Funktion \"semget\" kann beliebig oft aufgerufen werden, ohne dass ein Accounting stattfindet. Ein lokaler Angreifer kann dies f\u00fcr einen Denial of Service Angriff ausnutzen."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646",
"6368",
"T000126",
"398363",
"T004914"
]
},
"release_date": "2021-08-31T22:00:00Z",
"title": "CVE-2021-3759"
}
]
}
Loading...
Loading...
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.