WID-SEC-W-2022-2068
Vulnerability from csaf_certbund - Published: 2021-05-11 22:00 - Updated: 2024-08-19 22:00Summary
Linux Kernel: Mehrere Schwachstellen ermöglichen 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 mehrere Schwachstellen im Linux Kernel ausnutzen, um seine Privilegien zu erhöhen.
Betroffene Betriebssysteme: - Linux
- UNIX
Es existiert eine Schwachstelle im Linux Kernel. Der Fehler besteht in der Implementierung von nfc-Sockets in "net/nfc/llcp_sock.c" aufgrund eines Use-after-free-Fehlers. Ein lokaler, authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern.
Affected products
Known affected
6 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Open Source Linux Kernel
Open Source
|
cpe:/o:linux:linux_kernel:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Dell NetWorker <19.11
Dell / NetWorker
|
<19.11 |
Es existiert eine Schwachstelle im Linux Kernel. Der Fehler besteht in der Komponente isotp_setsockopt in "net/can/isotp.c" aufgrund eines Use-after-free-Fehlers. Ein lokaler, authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern.
Affected products
Known affected
6 products, the same list as for
CVE-2021-23134
References
52 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.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX",
"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-2022-2068 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-2068.json"
},
{
"category": "self",
"summary": "WID-SEC-2022-2068 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2068"
},
{
"category": "external",
"summary": "Red Hat Bugzilla vom 2021-05-11",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959514"
},
{
"category": "external",
"summary": "Red Hat Bugzilla vom 2021-05-11",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959673"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1913-1 vom 2021-06-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008973.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1912-1 vom 2021-06-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008974.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1890-1 vom 2021-06-08",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008947.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1887-1 vom 2021-06-08",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008955.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1888-1 vom 2021-06-08",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008950.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1889-1 vom 2021-06-08",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008956.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1899-1 vom 2021-06-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008965.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1891-1 vom 2021-06-08",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008946.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1977-1 vom 2021-06-15",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009018.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1975-1 vom 2021-06-15",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009015.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:2057-1 vom 2021-06-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009048.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:2027-1 vom 2021-06-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009046.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:2020-1 vom 2021-06-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009044.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:2067-1 vom 2021-06-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009043.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5000-1 vom 2021-06-23",
"url": "https://ubuntu.com/security/notices/USN-5000-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-4997-1 vom 2021-06-23",
"url": "https://ubuntu.com/security/notices/USN-4997-1"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-2689 vom 2021-06-23",
"url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-2690 vom 2021-06-23",
"url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5001-1 vom 2021-06-23",
"url": "https://ubuntu.com/security/notices/USN-5001-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5000-2 vom 2021-06-25",
"url": "https://ubuntu.com/security/notices/USN-5000-2"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-4997-2 vom 2021-06-25",
"url": "https://ubuntu.com/security/notices/USN-4997-2"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:2208-1 vom 2021-06-30",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009103.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:2406-1 vom 2021-07-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009166.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5016-1 vom 2021-07-21",
"url": "https://ubuntu.com/security/notices/USN-5016-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5018-1 vom 2021-07-21",
"url": "https://ubuntu.com/security/notices/USN-5018-1"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:2421-1 vom 2021-07-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009183.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:2451-1 vom 2021-07-22",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009203.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-9404 vom 2021-08-10",
"url": "http://linux.oracle.com/errata/ELSA-2021-9404.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-9406 vom 2021-08-10",
"url": "http://linux.oracle.com/errata/ELSA-2021-9406.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-9453 vom 2021-09-21",
"url": "https://linux.oracle.com/errata/ELSA-2021-9453.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-9452 vom 2021-09-21",
"url": "https://linux.oracle.com/errata/ELSA-2021-9452.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:0243-1 vom 2022-01-31",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010144.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:0234-1 vom 2022-01-31",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010147.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:0255-1 vom 2022-02-01",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010158.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:0263-1 vom 2022-02-01",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010153.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:0291-1 vom 2022-02-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010172.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:0293-1 vom 2022-02-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010173.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:0296-1 vom 2022-02-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010167.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:0327-1 vom 2022-02-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010186.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5343-1 vom 2022-03-22",
"url": "https://ubuntu.com/security/notices/USN-5343-1"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9999 vom 2022-11-16",
"url": "http://linux.oracle.com/errata/ELSA-2022-9999.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-2024:1643-1 vom 2024-05-14",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018529.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1648-1 vom 2024-05-14",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018524.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1648-2 vom 2024-05-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018572.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1870-1 vom 2024-05-30",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018634.html"
},
{
"category": "external",
"summary": "Dell Security Advisory DSA-2024-022 vom 2024-07-03",
"url": "https://www.dell.com/support/kbdoc/de-de/000226633/dsa-2024-022-security-update-for-dell-networker-vproxy-multiple-component-vulnerabilities"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1489-1 vom 2024-08-19",
"url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/D5LYDXV5ACGHUYO5XWLWD5VAOA5HLJ7U/"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Mehrere Schwachstellen erm\u00f6glichen Privilegieneskalation",
"tracking": {
"current_release_date": "2024-08-19T22:00:00.000+00:00",
"generator": {
"date": "2024-08-20T13:11:05.301+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.5"
}
},
"id": "WID-SEC-W-2022-2068",
"initial_release_date": "2021-05-11T22:00:00.000+00:00",
"revision_history": [
{
"date": "2021-05-11T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2021-06-08T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-06-09T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-06-15T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-06-20T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-06-22T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Ubuntu und Debian aufgenommen"
},
{
"date": "2021-06-27T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2021-06-30T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-07-20T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von SUSE und Ubuntu aufgenommen"
},
{
"date": "2021-07-21T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-07-22T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-08-09T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2021-09-20T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2022-01-31T23:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-02-01T23:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-02-02T23:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-02-06T23:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-03-22T23:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2022-11-16T23:00:00.000+00:00",
"number": "19",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2024-04-28T22:00:00.000+00:00",
"number": "20",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-05-14T22:00:00.000+00:00",
"number": "21",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-05-21T22:00:00.000+00:00",
"number": "22",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-05-30T22:00:00.000+00:00",
"number": "23",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-07-02T22:00:00.000+00:00",
"number": "24",
"summary": "Neue Updates von Dell aufgenommen"
},
{
"date": "2024-08-19T22:00:00.000+00:00",
"number": "25",
"summary": "Neue Updates von SUSE aufgenommen"
}
],
"status": "final",
"version": "25"
}
},
"product_tree": {
"branches": [
{
"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": "\u003c19.11",
"product": {
"name": "Dell NetWorker \u003c19.11",
"product_id": "T035785"
}
},
{
"category": "product_version",
"name": "19.11",
"product": {
"name": "Dell NetWorker 19.11",
"product_id": "T035785-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:dell:networker:19.11"
}
}
}
],
"category": "product_name",
"name": "NetWorker"
}
],
"category": "vendor",
"name": "Dell"
},
{
"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": "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-2021-23134",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle im Linux Kernel. Der Fehler besteht in der Implementierung von nfc-Sockets in \"net/nfc/llcp_sock.c\" aufgrund eines Use-after-free-Fehlers. Ein lokaler, authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"6368",
"T000126",
"T004914",
"T035785"
]
},
"release_date": "2021-05-11T22:00:00.000+00:00",
"title": "CVE-2021-23134"
},
{
"cve": "CVE-2021-32606",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle im Linux Kernel. Der Fehler besteht in der Komponente isotp_setsockopt in \"net/can/isotp.c\" aufgrund eines Use-after-free-Fehlers. Ein lokaler, authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"6368",
"T000126",
"T004914",
"T035785"
]
},
"release_date": "2021-05-11T22:00:00.000+00:00",
"title": "CVE-2021-32606"
}
]
}
Loading…
Loading…
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.
Loading…
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.
Loading…
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.
Loading…