WID-SEC-W-2022-0096
Vulnerability from csaf_certbund - Published: 2021-11-02 23:00 - Updated: 2023-01-10 23:00Summary
Red Hat Enterprise Linux: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode mit den Rechten des Dienstes
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: Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution.
Angriff: Ein lokaler Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuführen oder einen Denial of Service Zustand herbeizuführen.
Betroffene Betriebssysteme: - Linux
Es existiert eine Schwachstelle in Red Hat Enterprise Linux. Die Schwachstelle besteht in der Funktion "virtio-net device" der QEMU-Komponente und ist auf einen Use-after-Free-Fehler zurückzuführen. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Programmcode mit Rechten des Dienstes auszuführen oder einen Denial of Service Zustand herbeizuführen.
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:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
Gentoo Linux
Gentoo
|
cpe:/o:gentoo:linux:-
|
— | |
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Red Hat Enterprise Linux 8
Red Hat
|
cpe:/o:redhat:enterprise_linux:8
|
— |
References
27 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": "Red Hat Enterprise Linux (RHEL) ist eine popul\u00e4re Linux-Distribution.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein lokaler Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuf\u00fchren oder einen Denial of Service Zustand herbeizuf\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-2022-0096 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0096.json"
},
{
"category": "self",
"summary": "WID-SEC-2022-0096 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0096"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12014 vom 2023-01-11",
"url": "https://linux.oracle.com/errata/ELSA-2023-12014.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12011 vom 2023-01-11",
"url": "https://linux.oracle.com/errata/ELSA-2023-12011.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12013 vom 2023-01-11",
"url": "https://linux.oracle.com/errata/ELSA-2023-12013.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-12012 vom 2023-01-11",
"url": "https://linux.oracle.com/errata/ELSA-2023-12012.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-10036 vom 2022-11-29",
"url": "https://linux.oracle.com/errata/ELSA-2022-10036.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-10033 vom 2022-11-30",
"url": "https://linux.oracle.com/errata/ELSA-2022-10033.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3613-1 vom 2021-11-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009698.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3614-1 vom 2021-11-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009697.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:4112 vom 2021-11-02",
"url": "https://access.redhat.com/errata/RHSA-2021:4112"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3653-1 vom 2021-11-10",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-November/009717.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:5036 vom 2021-12-09",
"url": "https://access.redhat.com/errata/RHSA-2021:5036"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9460 vom 2022-06-06",
"url": "https://linux.oracle.com/errata/ELSA-2022-9460.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-5307-1 vom 2022-02-28",
"url": "https://ubuntu.com/security/notices/USN-5307-1"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-2970 vom 2022-04-04",
"url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9492 vom 2022-06-16",
"url": "https://linux.oracle.com/errata/ELSA-2022-9492.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9491 vom 2022-06-16",
"url": "https://linux.oracle.com/errata/ELSA-2022-9491.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9494 vom 2022-06-17",
"url": "https://linux.oracle.com/errata/ELSA-2022-9494.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9493 vom 2022-06-16",
"url": "https://linux.oracle.com/errata/ELSA-2022-9493.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2022:1759 vom 2022-05-10",
"url": "https://access.redhat.com/errata/RHSA-2022:1759"
},
{
"category": "external",
"summary": "Gentoo Linux Security Advisory GLSA-202208-27 vom 2022-08-23",
"url": "https://security.gentoo.org/glsa/202208-27"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-3099 vom 2022-09-05",
"url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9772 vom 2022-09-08",
"url": "https://linux.oracle.com/errata/ELSA-2022-9772.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9856 vom 2022-10-03",
"url": "https://linux.oracle.com/errata/ELSA-2022-9856.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9854 vom 2022-10-05",
"url": "https://linux.oracle.com/errata/ELSA-2022-9854.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2022-9853 vom 2022-10-06",
"url": "https://linux.oracle.com/errata/ELSA-2022-9853.html"
}
],
"source_lang": "en-US",
"title": "Red Hat Enterprise Linux: Schwachstelle erm\u00f6glicht Ausf\u00fchren von beliebigem Programmcode mit den Rechten des Dienstes",
"tracking": {
"current_release_date": "2023-01-10T23:00:00.000+00:00",
"generator": {
"date": "2024-08-15T17:26:29.489+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.5"
}
},
"id": "WID-SEC-W-2022-0096",
"initial_release_date": "2021-11-02T23:00:00.000+00:00",
"revision_history": [
{
"date": "2021-11-02T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2021-11-04T23:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-11-10T23:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-12-09T23:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2022-02-28T23:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2022-04-04T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2022-05-10T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2022-06-06T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2022-06-19T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2022-08-22T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Gentoo aufgenommen"
},
{
"date": "2022-09-04T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2022-09-08T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2022-10-03T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2022-10-05T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2022-11-29T23:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2023-01-10T23:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von Oracle Linux aufgenommen"
}
],
"status": "final",
"version": "16"
}
},
"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": [
{
"category": "product_name",
"name": "Gentoo Linux",
"product": {
"name": "Gentoo Linux",
"product_id": "T012167",
"product_identification_helper": {
"cpe": "cpe:/o:gentoo:linux:-"
}
}
}
],
"category": "vendor",
"name": "Gentoo"
},
{
"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 8",
"product": {
"name": "Red Hat Enterprise Linux 8",
"product_id": "T014111",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:8"
}
}
}
],
"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-2021-3748",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle in Red Hat Enterprise Linux. Die Schwachstelle besteht in der Funktion \"virtio-net device\" der QEMU-Komponente und ist auf einen Use-after-Free-Fehler zur\u00fcckzuf\u00fchren. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Programmcode mit Rechten des Dienstes auszuf\u00fchren oder einen Denial of Service Zustand herbeizuf\u00fchren."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"T000126",
"T012167",
"T004914",
"T014111"
]
},
"release_date": "2021-11-02T23:00:00.000+00:00",
"title": "CVE-2021-3748"
}
]
}
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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.
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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.
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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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