WID-SEC-W-2023-0761
Vulnerability from csaf_certbund
Published
2023-03-26 22:00
Modified
2024-05-02 22:00
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 Zustand herbeizuführen und um potenziell seine Privilegien zu erhöhen.
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 Zustand herbeizuf\u00fchren und um potenziell 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-2023-0761 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0761.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-0761 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0761"
},
{
"category": "external",
"summary": "Red Hat Security Advisory vom 2023-03-26",
"url": "https://access.redhat.com/errata/RHSA-2023:1466"
},
{
"category": "external",
"summary": "Red Hat Security Advisory vom 2023-03-26",
"url": "https://access.redhat.com/errata/RHSA-2023:1467"
},
{
"category": "external",
"summary": "Red Hat Security Advisory vom 2023-03-26",
"url": "https://access.redhat.com/errata/RHSA-2023:1468"
},
{
"category": "external",
"summary": "Red Hat Security Advisory vom 2023-03-26",
"url": "https://access.redhat.com/errata/RHSA-2023:1469"
},
{
"category": "external",
"summary": "Red Hat Security Advisory vom 2023-03-26",
"url": "https://access.redhat.com/errata/RHSA-2023:1470"
},
{
"category": "external",
"summary": "Red Hat Security Advisory vom 2023-03-26",
"url": "https://access.redhat.com/errata/RHSA-2023:1471"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-1470 vom 2023-03-28",
"url": "http://linux.oracle.com/errata/ELSA-2023-1470.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:1802-1 vom 2023-04-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014436.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:1800-1 vom 2023-04-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014435.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:1811-1 vom 2023-04-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014442.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-1703 vom 2023-04-13",
"url": "https://oss.oracle.com/pipermail/el-errata/2023-April/013908.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:1897-1 vom 2023-04-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014485.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:1892-1 vom 2023-04-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014489.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:1992-1 vom 2023-04-25",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014572.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.4-2023-044 vom 2023-05-02",
"url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2023-044.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-3403 vom 2023-05-03",
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2646-1 vom 2024-02-27",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/018025.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2694-1 vom 2023-06-28",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015352.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2698-1 vom 2023-06-28",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015362.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2695-1 vom 2023-06-28",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015364.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2701-1 vom 2023-06-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015369.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2724-1 vom 2023-06-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015385.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2714-1 vom 2023-06-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015373.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2710-1 vom 2023-06-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015377.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2727-1 vom 2023-06-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015386.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2741-1 vom 2023-06-30",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015389.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2809-1 vom 2023-07-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015470.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2871-1 vom 2023-07-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015524.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:7077 vom 2023-11-15",
"url": "https://access.redhat.com/errata/RHSA-2023:7077"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:6901 vom 2023-11-15",
"url": "https://access.redhat.com/errata/RHSA-2023:6901"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2024:1404 vom 2024-03-19",
"url": "https://access.redhat.com/errata/RHSA-2024:1404"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1322-1 vom 2024-04-17",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018374.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1321-1 vom 2024-04-17",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018375.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1332-1 vom 2024-04-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018376.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1332-2 vom 2024-04-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018378.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1322-2 vom 2024-04-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018377.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1454-1 vom 2024-04-26",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018431.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1466-1 vom 2024-04-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018438.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1480-1 vom 2024-04-30",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018444.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1490-1 vom 2024-05-03",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018445.html"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
"tracking": {
"current_release_date": "2024-05-02T22:00:00.000+00:00",
"generator": {
"date": "2024-05-03T11:04:03.512+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.0"
}
},
"id": "WID-SEC-W-2023-0761",
"initial_release_date": "2023-03-26T22:00:00.000+00:00",
"revision_history": [
{
"date": "2023-03-26T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2023-03-28T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2023-04-10T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-04-11T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-04-13T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2023-04-18T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-04-24T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-05-01T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2023-05-03T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2023-06-28T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-06-29T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-07-02T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-07-11T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-07-18T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-11-14T23:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2024-02-27T23:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-03-19T23:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2024-04-16T22:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-04-18T22:00:00.000+00:00",
"number": "19",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-04-28T22:00:00.000+00:00",
"number": "20",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-04-29T22:00:00.000+00:00",
"number": "21",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-05-01T22:00:00.000+00:00",
"number": "22",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-05-02T22:00:00.000+00:00",
"number": "23",
"summary": "Neue Updates von SUSE aufgenommen"
}
],
"status": "final",
"version": "23"
}
},
"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": "\u003c5.16-rc7",
"product": {
"name": "Open Source Linux Kernel \u003c5.16-rc7",
"product_id": "T026937",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:5.16:rc7"
}
}
}
],
"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": [
{
"branches": [
{
"category": "product_version",
"name": "9",
"product": {
"name": "Red Hat Enterprise Linux 9.0",
"product_id": "1174004",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:9.0"
}
}
},
{
"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": "product_name",
"name": "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"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2022-4744",
"notes": [
{
"category": "description",
"text": "Es besteht eine Schwachstelle im Linux-Kernel im \"TUN/TAP\"-Ger\u00e4tetreiber \"tun_free_netdev()\". Ein \"double-free\" Problem tritt auf, wenn die \"register_netdevice\" Funktion fehlschl\u00e4gt. Ein lokaler Angreifer kann dies ausnutzen, um den Kernel zum Absturz zu bringen oder m\u00f6glicherweise seine Privilegien zu erweitern."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646",
"1174004",
"398363",
"T004914"
]
},
"release_date": "2023-03-26T22:00:00Z",
"title": "CVE-2022-4744"
}
]
}
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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.