WID-SEC-W-2026-0217

Vulnerability from csaf_certbund - Published: 2018-09-25 22:00 - Updated: 2026-01-26 23:00
Summary
Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation
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. Die Produkte der Red Hat Enterprise Linux Produktfamilie sind Linux-Distribution der Firma Red Hat.
Angriff: Ein lokaler Angreifer kann eine Schwachstelle in Linux Kernel und Red Hat Enterprise Linux ausnutzen, um seine Privilegien zu erhöhen.
Betroffene Betriebssysteme: - Linux
Affected 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:-
Open Source CentOS
Open Source
cpe:/o:centos:centos:-
Oracle Linux
Oracle
cpe:/o:oracle:linux:-
References
URL Category
https://wid.cert-bund.de/.well-known/csaf/white/2… self
https://wid.cert-bund.de/portal/wid/securityadvis… self
https://nvd.nist.gov/vuln/detail/CVE-2018-14634 external
https://access.redhat.com/errata/RHSA-2018:2763 external
https://access.redhat.com/errata/RHSA-2018:2748 external
http://linux.oracle.com/errata/ELSA-2018-2748.html external
https://www.suse.com/support/update/announcement/… external
https://www.suse.com/support/update/announcement/… external
https://www.suse.com/support/update/announcement/… external
http://linux.oracle.com/errata/ELSA-2018-4230.html external
http://linux.oracle.com/errata/ELSA-2018-4233.html external
http://linux.oracle.com/errata/ELSA-2018-4234.html external
https://www.suse.com/support/update/announcement/… external
http://linux.oracle.com/errata/ELSA-2018-2846.html external
http://rhn.redhat.com/errata/RHSA-2018-2846.html external
https://www.suse.com/support/update/announcement/… external
http://linux.oracle.com/errata/ELSA-2018-4245.html external
http://linux.oracle.com/errata/ELSA-2018-4250.html external
https://www.suse.com/support/update/announcement/… external
http://rhn.redhat.com/errata/RHSA-2018-2933.html external
http://rhn.redhat.com/errata/RHSA-2018-2925.html external
http://rhn.redhat.com/errata/RHSA-2018-2924.html external
https://support.f5.com/csp/article/K20934447 external
http://linux.oracle.com/errata/ELSA-2018-3083.html external
https://access.redhat.com/errata/RHSA-2018:3591 external
https://access.redhat.com/errata/RHSA-2018:3540 external
https://access.redhat.com/errata/RHSA-2018:3586 external
https://access.redhat.com/errata/RHSA-2018:3590 external
https://access.redhat.com/errata/RHSA-2018:3643 external
https://www.suse.com/support/update/announcement/… external
https://www.cisa.gov/news-events/alerts/2026/01/2… external

{
  "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.\r\nDie Produkte der Red Hat Enterprise Linux Produktfamilie sind Linux-Distribution der Firma Red Hat.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in Linux Kernel und Red Hat Enterprise Linux ausnutzen, um seine Privilegien zu erh\u00f6hen.",
        "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-2026-0217 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2018/wid-sec-w-2026-0217.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0217 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0217"
      },
      {
        "category": "external",
        "summary": "Eintrag in der NIST Datenbank vom 2018-09-25",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-14634"
      },
      {
        "category": "external",
        "summary": "RedHat Security Advisory",
        "url": "https://access.redhat.com/errata/RHSA-2018:2763"
      },
      {
        "category": "external",
        "summary": "RedHat Security Advisory",
        "url": "https://access.redhat.com/errata/RHSA-2018:2748"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-2748 vom 2018-09-26",
        "url": "http://linux.oracle.com/errata/ELSA-2018-2748.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:2879-1 vom 2018-09-27",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20182879-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:2908-1 vom 2018-09-28",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20182908-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:2907-1 vom 2018-09-28",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20182907-1.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-4230 vom 2018-09-29",
        "url": "http://linux.oracle.com/errata/ELSA-2018-4230.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-4233 vom 2018-09-29",
        "url": "http://linux.oracle.com/errata/ELSA-2018-4233.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-4234 vom 2018-09-29",
        "url": "http://linux.oracle.com/errata/ELSA-2018-4234.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:3083-1 vom 2018-10-09",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20183083-1.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-2846 vom 2018-10-10",
        "url": "http://linux.oracle.com/errata/ELSA-2018-2846.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2018:2846 vom 2018-10-09",
        "url": "http://rhn.redhat.com/errata/RHSA-2018-2846.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:3088-1 vom 2018-10-10",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20183088-1.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-4245 vom 2018-10-11",
        "url": "http://linux.oracle.com/errata/ELSA-2018-4245.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-4250 vom 2018-10-13",
        "url": "http://linux.oracle.com/errata/ELSA-2018-4250.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:3171-1 vom 2018-10-17",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20183171-1.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2018:2933 vom 2018-10-16",
        "url": "http://rhn.redhat.com/errata/RHSA-2018-2933.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2018:2925 vom 2018-10-16",
        "url": "http://rhn.redhat.com/errata/RHSA-2018-2925.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2018:2924 vom 2018-10-16",
        "url": "http://rhn.redhat.com/errata/RHSA-2018-2924.html"
      },
      {
        "category": "external",
        "summary": "F5 Security Advisory K20934447 vom 2018-10-22",
        "url": "https://support.f5.com/csp/article/K20934447"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-3083 vom 2018-11-06",
        "url": "http://linux.oracle.com/errata/ELSA-2018-3083.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2018:3591 vom 2018-11-14",
        "url": "https://access.redhat.com/errata/RHSA-2018:3591"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2018:3540 vom 2018-11-14",
        "url": "https://access.redhat.com/errata/RHSA-2018:3540"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2018:3586 vom 2018-11-14",
        "url": "https://access.redhat.com/errata/RHSA-2018:3586"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2018:3590 vom 2018-11-14",
        "url": "https://access.redhat.com/errata/RHSA-2018:3590"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2018:3643 vom 2018-11-20",
        "url": "https://access.redhat.com/errata/RHSA-2018:3643"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2018:2908-2 vom 2019-04-28",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20182908-2.html"
      },
      {
        "category": "external",
        "summary": "CISA Known Exploited Vulnerabilities Catalog vom 2026-01-26",
        "url": "https://www.cisa.gov/news-events/alerts/2026/01/26/cisa-adds-five-known-exploited-vulnerabilities-catalog"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Privilegieneskalation",
    "tracking": {
      "current_release_date": "2026-01-26T23:00:00.000+00:00",
      "generator": {
        "date": "2026-01-27T07:31:20.931+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0217",
      "initial_release_date": "2018-09-25T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2018-09-25T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initial Release"
        },
        {
          "date": "2018-09-25T22:00:00.000+00:00",
          "number": "2",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2018-09-26T22:00:00.000+00:00",
          "number": "3",
          "summary": "New remediations available"
        },
        {
          "date": "2018-09-27T22:00:00.000+00:00",
          "number": "4",
          "summary": "New remediations available"
        },
        {
          "date": "2018-09-30T22:00:00.000+00:00",
          "number": "5",
          "summary": "New remediations available"
        },
        {
          "date": "2018-10-09T22:00:00.000+00:00",
          "number": "6",
          "summary": "New remediations available"
        },
        {
          "date": "2018-10-09T22:00:00.000+00:00",
          "number": "7",
          "summary": "New remediations available"
        },
        {
          "date": "2018-10-10T22:00:00.000+00:00",
          "number": "8",
          "summary": "New remediations available"
        },
        {
          "date": "2018-10-14T22:00:00.000+00:00",
          "number": "9",
          "summary": "New remediations available"
        },
        {
          "date": "2018-10-16T22:00:00.000+00:00",
          "number": "10",
          "summary": "New remediations available"
        },
        {
          "date": "2018-10-16T22:00:00.000+00:00",
          "number": "11",
          "summary": "New remediations available"
        },
        {
          "date": "2018-10-22T22:00:00.000+00:00",
          "number": "12",
          "summary": "New remediations available"
        },
        {
          "date": "2018-11-05T23:00:00.000+00:00",
          "number": "13",
          "summary": "New remediations available"
        },
        {
          "date": "2018-11-13T23:00:00.000+00:00",
          "number": "14",
          "summary": "New remediations available"
        },
        {
          "date": "2018-11-20T23:00:00.000+00:00",
          "number": "15",
          "summary": "New remediations available"
        },
        {
          "date": "2019-04-28T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-01-26T23:00:00.000+00:00",
          "number": "17",
          "summary": "Schwachstelle wird ausgenutzt"
        }
      ],
      "status": "final",
      "version": "17"
    }
  },
  "product_tree": {
    "branches": [
      {
        "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"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-14634",
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "6368",
          "1727",
          "T004914"
        ]
      },
      "release_date": "2018-09-25T22:00:00.000+00:00",
      "title": "CVE-2018-14634"
    }
  ]
}


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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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Detection rules are retrieved from Rulezet.

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