WID-SEC-W-2023-1967
Vulnerability from csaf_certbund - Published: 2023-08-06 22:00 - Updated: 2024-12-29 23:00Summary
Linux-Kernel: Schwachstelle ermöglicht Denial of Service und Privilegienerweiterung
Severity
Hoch
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 zu erzeugen oder seine Privilegien zu erweitern.
Betroffene Betriebssysteme: - Linux
Es besteht eine Schwachstelle im Linux-Kernel. Dieser Fehler besteht aufgrund eines Use-after-free in der Komponente netfilter, wenn eine Regel mit NFTA_RULE_CHAIN_ID hinzugefügt wird. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder seine Privilegien zu erweitern.
Affected products
Known affected
7 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
IGEL OS <11.10.100
IGEL / OS
|
<11.10.100 | ||
|
Amazon Linux 2
Amazon
|
cpe:/o:amazon:linux_2:-
|
— | |
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Open Source Linux Kernel <Kernel 6.5-rc4
Open Source / Linux Kernel
|
<Kernel 6.5-rc4 |
References
47 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"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 zu erzeugen oder seine Privilegien zu erweitern.",
"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-2023-1967 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1967.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-1967 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1967"
},
{
"category": "external",
"summary": "Red Hat Bugzilla \u2013 Bug 2225239 vom 2023-08-06",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225239"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-5480 vom 2023-08-18",
"url": "https://lists.debian.org/debian-security-announce/2023/msg00172.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2023-026 vom 2023-09-07",
"url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.15-2023-026.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2023-039 vom 2023-09-07",
"url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2023-039.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-5492 vom 2023-09-10",
"url": "https://lists.debian.org/debian-security-announce/2023/msg00184.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:5093 vom 2023-09-12",
"url": "https://access.redhat.com/errata/RHSA-2023:5093"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:5069 vom 2023-09-12",
"url": "https://access.redhat.com/errata/RHSA-2023:5069"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:5091 vom 2023-09-12",
"url": "https://access.redhat.com/errata/RHSA-2023:5091"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3600-1 vom 2023-09-14",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016151.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3599-1 vom 2023-09-14",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016152.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2023-5069 vom 2023-09-15",
"url": "http://linux.oracle.com/errata/ELSA-2023-5069.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3656-1 vom 2023-09-18",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016181.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3684-1 vom 2023-09-19",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016211.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3682-1 vom 2023-09-19",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016213.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3683-1 vom 2023-09-19",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016212.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3704-1 vom 2023-09-20",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016234.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3600-2 vom 2023-09-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016284.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3599-2 vom 2023-09-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016283.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3704-2 vom 2023-09-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016285.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3683-2 vom 2023-09-21",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016287.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3785-1 vom 2023-09-26",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016326.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3964-1 vom 2023-10-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016501.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3969-1 vom 2023-10-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016513.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3971-1 vom 2023-10-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016512.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:3988-1 vom 2023-10-05",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016554.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-3623 vom 2023-10-19",
"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4175-1 vom 2023-10-24",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016827.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4165-1 vom 2023-10-24",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016821.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4201-1 vom 2023-10-26",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016845.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4219-1 vom 2023-10-26",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016860.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4267-1 vom 2023-10-30",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016926.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4260-1 vom 2023-10-30",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016912.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4239-1 vom 2023-10-30",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016917.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4285-1 vom 2023-10-31",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016936.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4326-1 vom 2023-10-31",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016957.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4325-1 vom 2023-10-31",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016958.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4308-1 vom 2023-10-31",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016954.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4322-1 vom 2023-10-31",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016959.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4301-1 vom 2023-10-31",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016940.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-155 vom 2023-11-01",
"url": "https://alas.aws.amazon.com/AL2/ALASLIVEPATCH-2023-155.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:7382 vom 2023-11-21",
"url": "https://access.redhat.com/errata/RHSA-2023:7382"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:7389 vom 2023-11-21",
"url": "https://access.redhat.com/errata/RHSA-2023:7389"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2023:7411 vom 2023-11-21",
"url": "https://access.redhat.com/errata/RHSA-2023:7411"
},
{
"category": "external",
"summary": "IGEL Security Notice ISN-2024-06 vom 2024-03-12",
"url": "https://kb.igel.com/securitysafety/en/isn-2024-06-os-11-kernel-vulnerabilities-117259724.html"
},
{
"category": "external",
"summary": "PoC vom 2024-12-29",
"url": "https://github.com/google/security-research/tree/master/pocs/linux/kernelctf/CVE-2023-4147_lts_cos/exploit"
}
],
"source_lang": "en-US",
"title": "Linux-Kernel: Schwachstelle erm\u00f6glicht Denial of Service und Privilegienerweiterung",
"tracking": {
"current_release_date": "2024-12-29T23:00:00.000+00:00",
"generator": {
"date": "2024-12-30T09:02:48.943+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.10"
}
},
"id": "WID-SEC-W-2023-1967",
"initial_release_date": "2023-08-06T22:00:00.000+00:00",
"revision_history": [
{
"date": "2023-08-06T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2023-08-20T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2023-09-06T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2023-09-10T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2023-09-12T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2023-09-14T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-09-17T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2023-09-18T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-09-19T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-09-20T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-09-21T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-09-26T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-10-03T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-10-04T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-10-05T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-10-19T22:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2023-10-24T22:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-10-25T22:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-10-26T22:00:00.000+00:00",
"number": "19",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-10-30T23:00:00.000+00:00",
"number": "20",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-10-31T23:00:00.000+00:00",
"number": "21",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2023-11-01T23:00:00.000+00:00",
"number": "22",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2023-11-21T23:00:00.000+00:00",
"number": "23",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2024-03-12T23:00:00.000+00:00",
"number": "24",
"summary": "Neue Updates von IGEL aufgenommen"
},
{
"date": "2024-12-29T23:00:00.000+00:00",
"number": "25",
"summary": "PoC erg\u00e4nzt"
}
],
"status": "final",
"version": "25"
}
},
"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": "\u003c11.10.100",
"product": {
"name": "IGEL OS \u003c11.10.100",
"product_id": "T033380"
}
},
{
"category": "product_version",
"name": "11.10.100",
"product": {
"name": "IGEL OS 11.10.100",
"product_id": "T033380-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:igel:os:11.10.100"
}
}
}
],
"category": "product_name",
"name": "OS"
}
],
"category": "vendor",
"name": "IGEL"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003cKernel 6.5-rc4",
"product": {
"name": "Open Source Linux Kernel \u003cKernel 6.5-rc4",
"product_id": "T029102"
}
},
{
"category": "product_version",
"name": "Kernel 6.5-rc4",
"product": {
"name": "Open Source Linux Kernel Kernel 6.5-rc4",
"product_id": "T029102-fixed",
"product_identification_helper": {
"cpe": "cpe:/o:linux:linux_kernel:kernel_6.5-rc4"
}
}
}
],
"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": [
{
"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"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-4147",
"notes": [
{
"category": "description",
"text": "Es besteht eine Schwachstelle im Linux-Kernel. Dieser Fehler besteht aufgrund eines Use-after-free in der Komponente netfilter, wenn eine Regel mit NFTA_RULE_CHAIN_ID hinzugef\u00fcgt wird. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen oder seine Privilegien zu erweitern."
}
],
"product_status": {
"known_affected": [
"2951",
"T002207",
"67646",
"T033380",
"398363",
"T004914",
"T029102"
]
},
"release_date": "2023-08-06T22:00:00.000+00:00",
"title": "CVE-2023-4147"
}
]
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
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.