wid-sec-w-2023-2835
Vulnerability from csaf_certbund
Published
2023-11-06 23:00
Modified
2024-06-11 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Denial of Service

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 Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux


To clipboard 

{
  "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 eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuf\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-2023-2835 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2835.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2835 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2835"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6572-1 vom 2024-01-09",
        "url": "https://ubuntu.com/security/notices/USN-6572-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-13043 vom 2023-12-14",
        "url": "https://linux.oracle.com/errata/ELSA-2023-13043.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla vom 2023-11-06",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2248122"
      },
      {
        "category": "external",
        "summary": "RedHat Customer Portal vom 2023-11-06",
        "url": "https://access.redhat.com/security/cve/CVE-2023-5090"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6497-1 vom 2023-11-21",
        "url": "https://ubuntu.com/security/notices/USN-6497-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6503-1 vom 2023-11-21",
        "url": "https://ubuntu.com/security/notices/USN-6503-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6502-1 vom 2023-11-21",
        "url": "https://ubuntu.com/security/notices/USN-6502-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6502-2 vom 2023-11-27",
        "url": "https://ubuntu.com/security/notices/USN-6502-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6502-3 vom 2023-11-28",
        "url": "https://ubuntu.com/security/notices/USN-6502-3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6520-1 vom 2023-11-28",
        "url": "https://ubuntu.com/security/notices/USN-6520-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6502-4 vom 2023-11-30",
        "url": "https://ubuntu.com/security/notices/USN-6502-4"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6537-1 vom 2023-12-06",
        "url": "https://ubuntu.com/security/notices/USN-6537-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:3854 vom 2024-06-12",
        "url": "https://access.redhat.com/errata/RHSA-2024:3854"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:3855 vom 2024-06-12",
        "url": "https://access.redhat.com/errata/RHSA-2024:3855"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-06-11T22:00:00.000+00:00",
      "generator": {
        "date": "2024-06-12T08:10:22.679+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-2835",
      "initial_release_date": "2023-11-06T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-11-06T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-11-21T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-27T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-28T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-30T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-12-06T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-12-14T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-01-09T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-06-11T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "9"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c6.6-rc7",
                "product": {
                  "name": "Open Source Linux Kernel \u003c6.6-rc7",
                  "product_id": "T030950",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:6.6-rc7"
                  }
                }
              }
            ],
            "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": "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-2023-5090",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle im Linux-Kernel. Dieser Fehler besteht in der KVM-Komponente aufgrund von unsachgem\u00e4\u00dfen \u00dcberpr\u00fcfungen, die den Zugriff auf Host-x2apic msrs in einer bestimmten Konfiguration erm\u00f6glichen. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "67646",
          "T000126",
          "T004914"
        ]
      },
      "release_date": "2023-11-06T23:00:00Z",
      "title": "CVE-2023-5090"
    }
  ]
}


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