WID-SEC-W-2023-3076

Vulnerability from csaf_certbund - Published: 2023-12-06 23:00 - Updated: 2024-03-19 23:00
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-2023-3076 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-3076.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-3076 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-3076"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla vom 2023-12-06",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253249"
      },
      {
        "category": "external",
        "summary": "RedHat Customer Portal vom 2023-12-06",
        "url": "https://access.redhat.com/security/cve/CVE-2023-6560"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-41417507BB vom 2023-12-09",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-41417507bb"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-AC1FDF3405 vom 2023-12-09",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-ac1fdf3405"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-A8AFE852A3 vom 2023-12-11",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-a8afe852a3"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-4DF366EE80 vom 2023-12-11",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-4df366ee80"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6680-1 vom 2024-03-07",
        "url": "https://ubuntu.com/security/notices/USN-6680-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6680-2 vom 2024-03-08",
        "url": "https://ubuntu.com/security/notices/USN-6680-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6680-3 vom 2024-03-19",
        "url": "https://ubuntu.com/security/notices/USN-6680-3"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-03-19T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T18:02:28.345+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-3076",
      "initial_release_date": "2023-12-06T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-12-06T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-12-10T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-12-11T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2024-03-06T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-03-07T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-03-19T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 6.7-rc5",
                "product": {
                  "name": "Open Source Linux Kernel \u003c 6.7-rc5",
                  "product_id": "T031501"
                }
              }
            ],
            "category": "product_name",
            "name": "Linux Kernel"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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-2023-6560",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. In der io_uring SQ/CQ-Rings Funktionalit\u00e4t besteht ein Problem mit einem Out-of-bounds-Speicherzugriff. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T000126",
          "74185"
        ]
      },
      "release_date": "2023-12-06T23:00:00.000+00:00",
      "title": "CVE-2023-6560"
    }
  ]
}


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Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.