wid-sec-w-2022-2090
Vulnerability from csaf_certbund
Published
2020-10-15 22:00
Modified
2024-06-09 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen
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 entfernter Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme
- Linux
{
"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 entfernter Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um 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-2022-2090 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2022-2090.json"
},
{
"category": "self",
"summary": "WID-SEC-2022-2090 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2090"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-9140 vom 2021-04-01",
"url": "http://linux.oracle.com/errata/ELSA-2021-9140.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-9141 vom 2021-04-01",
"url": "http://linux.oracle.com/errata/ELSA-2021-9141.html"
},
{
"category": "external",
"summary": "AVAYA Security Advisory ASA-2021-021 vom 2021-03-31",
"url": "https://downloads.avaya.com/css/P8/documents/101074878"
},
{
"category": "external",
"summary": "Meldung auf der OSS-sec Mailing Liste vom 2020-10-15",
"url": "http://seclists.org/oss-sec/2020/q4/63"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3273-1 vom 2020-11-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007745.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3272-1 vom 2020-11-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007751.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3272-1 vom 2020-11-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007748.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3273-1 vom 2020-11-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007747.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3281-1 vom 2020-11-11",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007756.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3326-1 vom 2020-11-13",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007775.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3326-1 vom 2020-11-13",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007776.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3491-1 vom 2020-11-23",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007842.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3484-1 vom 2020-11-23",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007841.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3503-1 vom 2020-11-24",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007846.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3501-1 vom 2020-11-24",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007845.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3522-1 vom 2020-11-25",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007856.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3512-1 vom 2020-11-25",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007853.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3513-1 vom 2020-11-25",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007854.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3544-1 vom 2020-11-26",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007876.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3532-1 vom 2020-11-26",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007874.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3532-1 vom 2020-11-26",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007871.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2020:3544-1 vom 2020-11-26",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007878.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-2483 vom 2020-12-10",
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2020-5995 vom 2020-12-15",
"url": "http://linux.oracle.com/errata/ELSA-2020-5995.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2020-5996 vom 2020-12-15",
"url": "http://linux.oracle.com/errata/ELSA-2020-5996.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-2494 vom 2020-12-18",
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-4681-1 vom 2021-01-06",
"url": "https://ubuntu.com/security/notices/USN-4681-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-4680-1 vom 2021-01-06",
"url": "https://ubuntu.com/security/notices/USN-4680-1"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-4679-1 vom 2021-01-06",
"url": "https://ubuntu.com/security/notices/USN-4679-1"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-9007 vom 2021-01-13",
"url": "http://linux.oracle.com/errata/ELSA-2021-9007.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-9008 vom 2021-01-12",
"url": "https://linux.oracle.com/errata/ELSA-2021-9008.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:14630-1 vom 2021-02-16",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-February/008335.html"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-9052 vom 2021-02-16",
"url": "https://linux.oracle.com/errata/ELSA-2021-9052.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-4751-1 vom 2021-02-25",
"url": "https://ubuntu.com/security/notices/USN-4751-1"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:0857 vom 2021-03-16",
"url": "https://access.redhat.com/errata/RHSA-2021:0857"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:0856 vom 2021-03-16",
"url": "https://access.redhat.com/errata/RHSA-2021:0856"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-0856 vom 2021-03-18",
"url": "http://linux.oracle.com/errata/ELSA-2021-0856.html"
},
{
"category": "external",
"summary": "CentOS Security Advisory CESA-2021:0856 vom 2021-03-19",
"url": "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2021-0856-Important-CentOS-7-kernel-Security-Update-tp4646164.html"
},
{
"category": "external",
"summary": "Juniper Security Advisory JSA11206 vom 2021-07-14",
"url": "https://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA11206\u0026cat=SIRT_1"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALASKERNEL-5.4-2022-018 vom 2022-01-31",
"url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2022-018.html"
},
{
"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": "Red Hat Security Advisory RHSA-2024:2950 vom 2024-05-22",
"url": "https://access.redhat.com/errata/RHSA-2024:2950"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2024:3138 vom 2024-05-22",
"url": "https://access.redhat.com/errata/RHSA-2024:3138"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7156774 vom 2024-06-07",
"url": "https://www.ibm.com/support/pages/node/7156774"
}
],
"source_lang": "en-US",
"title": "Linux Kernel: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
"tracking": {
"current_release_date": "2024-06-09T22:00:00.000+00:00",
"generator": {
"date": "2024-06-10T08:11:02.291+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.0"
}
},
"id": "WID-SEC-W-2022-2090",
"initial_release_date": "2020-10-15T22:00:00.000+00:00",
"revision_history": [
{
"date": "2020-10-15T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2020-11-10T23:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-11-11T23:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-11-15T23:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-11-23T23:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-11-24T23:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-11-25T23:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-11-26T23:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2020-12-10T23:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2020-12-14T23:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2020-12-20T23:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2021-01-05T23:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2021-01-12T23:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2021-02-16T23:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von SUSE und Oracle Linux aufgenommen"
},
{
"date": "2021-02-24T23:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2021-03-16T23:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2021-03-17T23:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2021-03-18T23:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von CentOS aufgenommen"
},
{
"date": "2021-03-31T22:00:00.000+00:00",
"number": "19",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2021-04-05T22:00:00.000+00:00",
"number": "20",
"summary": "Neue Updates von AVAYA aufgenommen"
},
{
"date": "2021-07-14T22:00:00.000+00:00",
"number": "21",
"summary": "Neue Updates von Juniper aufgenommen"
},
{
"date": "2022-01-30T23:00:00.000+00:00",
"number": "22",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2022-11-16T23:00:00.000+00:00",
"number": "23",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2024-05-21T22:00:00.000+00:00",
"number": "24",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2024-06-09T22:00:00.000+00:00",
"number": "25",
"summary": "Neue Updates von IBM aufgenommen"
}
],
"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": "Avaya Aura Application Enablement Services",
"product": {
"name": "Avaya Aura Application Enablement Services",
"product_id": "T015516",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:aura_application_enablement_services:-"
}
}
},
{
"category": "product_name",
"name": "Avaya Aura Communication Manager",
"product": {
"name": "Avaya Aura Communication Manager",
"product_id": "T015126",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:communication_manager:-"
}
}
},
{
"category": "product_name",
"name": "Avaya Aura Session Manager",
"product": {
"name": "Avaya Aura Session Manager",
"product_id": "T015127",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:session_manager:-"
}
}
},
{
"category": "product_name",
"name": "Avaya Aura System Manager",
"product": {
"name": "Avaya Aura System Manager",
"product_id": "T015518",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:aura_system_manager:-"
}
}
},
{
"category": "product_name",
"name": "Avaya Web License Manager",
"product": {
"name": "Avaya Web License Manager",
"product_id": "T016243",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:web_license_manager:-"
}
}
}
],
"category": "vendor",
"name": "Avaya"
},
{
"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": "IBM QRadar SIEM",
"product": {
"name": "IBM QRadar SIEM",
"product_id": "T021415",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:qradar_siem:-"
}
}
}
],
"category": "vendor",
"name": "IBM"
},
{
"branches": [
{
"category": "product_name",
"name": "Juniper JUNOS",
"product": {
"name": "Juniper JUNOS",
"product_id": "5930",
"product_identification_helper": {
"cpe": "cpe:/o:juniper:junos:-"
}
}
}
],
"category": "vendor",
"name": "Juniper"
},
{
"branches": [
{
"category": "product_name",
"name": "Open Source CentOS",
"product": {
"name": "Open Source CentOS",
"product_id": "1727",
"product_identification_helper": {
"cpe": "cpe:/o:centos:centos:-"
}
}
},
{
"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-2020-25656",
"notes": [
{
"category": "description",
"text": "Es existiert eine Schwachstelle im Linux Kernel. Sie beruht auf einem \"use-after-free\" Lesezugriff in vt_do_kdgkb_ioctl. Ein Angreifer kann dieses nutzen und vertrauliche Daten einsehen."
}
],
"product_status": {
"known_affected": [
"T015518",
"67646",
"T015516",
"6368",
"T015127",
"T015126",
"T004914",
"T016243",
"2951",
"T002207",
"T000126",
"T021415",
"5930",
"398363",
"1727"
]
},
"release_date": "2020-10-15T22:00:00Z",
"title": "CVE-2020-25656"
}
]
}
Loading...
Loading...
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.