WID-SEC-W-2022-0239
Vulnerability from csaf_certbund - Published: 2022-04-07 22:00 - Updated: 2023-05-18 22:00Summary
Linux Kernel: Mehrere Schwachstellen
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 mehrere Schwachstellen im Linux Kernel ausnutzen, um seine Privilegien zu erhöhen, einen Denial of Service Zustan herbeizuführen oder Informationen offenzulegen.
Betroffene Betriebssysteme: - Linux
Es existiert eine Schwachstelle im Linux Kernel. Ein Use-after-Free-Fehler besteht in "nci_request in net/nfc/nci/core.c". In Folge ist eine Privilegieneskalation möglich. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern.
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:-
|
— | |
|
Open Source Linux Kernel
Open Source
|
cpe:/o:linux:linux_kernel:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
NetApp ActiveIQ Unified Manager
NetApp
|
cpe:/a:netapp:active_iq_unified_manager:-::~~~vmware_vsphere~~
|
— | |
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— |
Es existiert eine Schwachstelle im Linux Kernel. Ein Use-after-Free-Fehler besteht in "sock_getsockopt() in net/core/sock.c", aufgrund einer Race-Condition. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuführen oder Informationen offenzulegen.
Affected products
Known affected
6 products, the same list as for
CVE-2021-4202
References
34 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 mehrere Schwachstellen im Linux Kernel ausnutzen, um seine Privilegien zu erh\u00f6hen, einen Denial of Service Zustan herbeizuf\u00fchren oder Informationen offenzulegen.",
"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-2022-0239 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0239.json"
},
{
"category": "self",
"summary": "WID-SEC-2022-0239 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0239"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:2232-1 vom 2023-05-17",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014918.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:1848-1 vom 2023-04-14",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014466.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-6001-1 vom 2023-04-06",
"url": "https://ubuntu.com/security/notices/USN-6001-1"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:0852-1 vom 2023-03-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014114.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:0768-1 vom 2023-03-16",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014072.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:0747-1 vom 2023-03-15",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014045.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:0634-1 vom 2023-03-07",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/013982.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": "NIST Database vom 2022-04-07",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4202"
},
{
"category": "external",
"summary": "NIST Database vom 2022-04-07",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4203"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9348 vom 2022-05-03",
"url": "https://linux.oracle.com/errata/ELSA-2022-9348.html"
},
{
"category": "external",
"summary": "ORACLE OVMSA-2022-0014 vom 2022-05-04",
"url": "https://oss.oracle.com/pipermail/oraclevm-errata/2022-May/001052.html"
},
{
"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": "Ubuntu Security Notice USN-5500-1 vom 2022-07-01",
"url": "https://ubuntu.com/security/notices/USN-5500-1"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2022:5483 vom 2022-07-01",
"url": "https://access.redhat.com/errata/RHSA-2022:5483"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5505-1 vom 2022-07-07",
"url": "https://ubuntu.com/security/notices/USN-5505-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5513-1 vom 2022-07-13",
"url": "https://ubuntu.com/security/notices/USN-5513-1"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2022:5633 vom 2022-07-20",
"url": "https://access.redhat.com/errata/RHSA-2022:5633"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2022:5626 vom 2022-07-20",
"url": "https://access.redhat.com/errata/RHSA-2022:5626"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3265-1 vom 2022-09-14",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012231.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3264-1 vom 2022-09-14",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012229.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3274-1 vom 2022-09-14",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012234.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3282-1 vom 2022-09-15",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012250.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3291-1 vom 2022-09-16",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012271.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3408-1 vom 2022-09-27",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012386.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3422-1 vom 2022-09-27",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012397.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3450-1 vom 2022-09-28",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012439.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3609-1 vom 2022-10-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-October/012557.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:3809-1 vom 2022-10-31",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-October/012771.html"
},
{
"category": "external",
"summary": "NetApp Security Advisory NTAP-20221111-0003 vom 2022-11-11",
"url": "https://security.netapp.com/advisory/ntap-20221111-0003/"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2023-05-18T22:00:00.000+00:00",
"generator": {
"date": "2024-08-15T17:27:33.497+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.5"
}
},
"id": "WID-SEC-W-2022-0239",
"initial_release_date": "2022-04-07T22:00:00.000+00:00",
"revision_history": [
{
"date": "2022-04-07T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2022-05-03T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2022-05-04T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von ORACLE aufgenommen"
},
{
"date": "2022-05-10T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2022-05-17T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2022-06-08T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2022-07-03T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Ubuntu und Red Hat aufgenommen"
},
{
"date": "2022-07-06T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2022-07-13T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2022-07-19T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2022-09-14T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-09-15T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-09-18T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-09-26T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-09-27T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-09-28T22:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-10-18T22:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-10-31T23:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-11-10T23:00:00.000+00:00",
"number": "19",
"summary": "Neue Updates von NetApp aufgenommen"
},
{
"date": "2023-03-07T23:00:00.000+00:00",
"number": "20",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-03-15T23:00:00.000+00:00",
"number": "21",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-03-16T23:00:00.000+00:00",
"number": "22",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-03-21T23:00:00.000+00:00",
"number": "23",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-04-05T22:00:00.000+00:00",
"number": "24",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2023-04-16T22:00:00.000+00:00",
"number": "25",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-05-18T22:00:00.000+00:00",
"number": "26",
"summary": "Neue Updates von SUSE aufgenommen"
}
],
"status": "final",
"version": "26"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "NetApp ActiveIQ Unified Manager",
"product": {
"name": "NetApp ActiveIQ Unified Manager",
"product_id": "658714",
"product_identification_helper": {
"cpe": "cpe:/a:netapp:active_iq_unified_manager:-::~~~vmware_vsphere~~"
}
}
}
],
"category": "vendor",
"name": "NetApp"
},
{
"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-2021-4202",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle im Linux Kernel. Ein Use-after-Free-Fehler besteht in \"nci_request in net/nfc/nci/core.c\". In Folge ist eine Privilegieneskalation m\u00f6glich. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern."
}
],
"product_status": {
"known_affected": [
"T002207",
"67646",
"6368",
"T000126",
"658714",
"T004914"
]
},
"release_date": "2022-04-07T22:00:00.000+00:00",
"title": "CVE-2021-4202"
},
{
"cve": "CVE-2021-4203",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle im Linux Kernel. Ein Use-after-Free-Fehler besteht in \"sock_getsockopt() in net/core/sock.c\", aufgrund einer Race-Condition. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren oder Informationen offenzulegen."
}
],
"product_status": {
"known_affected": [
"T002207",
"67646",
"6368",
"T000126",
"658714",
"T004914"
]
},
"release_date": "2022-04-07T22:00:00.000+00:00",
"title": "CVE-2021-4203"
}
]
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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