wid-sec-w-2023-2903
Vulnerability from csaf_certbund
Published
2023-11-14 23:00
Modified
2024-02-14 23:00
Summary
Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation

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 seine Privilegien zu erhöhen.
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 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-2023-2903 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2903.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2903 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2903"
      },
      {
        "category": "external",
        "summary": "National Vulnerability Database CVE-2023-6111 vom 2023-11-14",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6111"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-15DEB2E32A vom 2023-11-29",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-15deb2e32a"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-A7B89262C6 vom 2023-11-29",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-a7b89262c6"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.15-2023-031 vom 2023-12-05",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.15-2023-031.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6576-1 vom 2024-01-10",
        "url": "https://ubuntu.com/security/notices/USN-6576-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12159 vom 2024-02-15",
        "url": "https://linux.oracle.com/errata/ELSA-2024-12159.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Privilegieneskalation",
    "tracking": {
      "current_release_date": "2024-02-14T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:51:07.562+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-2903",
      "initial_release_date": "2023-11-14T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-11-14T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-11-28T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-12-04T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2024-01-10T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-02-14T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "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": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel",
            "product": {
              "name": "Open Source Linux Kernel",
              "product_id": "T006656",
              "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": "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-2023-6111",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Diese ist auf einen Use-after-Free-Fehler in der Komponente \"Netfilter\" zur\u00fcckzuf\u00fchren. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern."
        }
      ],
      "product_status": {
        "known_affected": [
          "T006656",
          "T000126",
          "398363",
          "T004914",
          "74185"
        ]
      },
      "release_date": "2023-11-14T23:00:00Z",
      "title": "CVE-2023-6111"
    }
  ]
}


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