WID-SEC-W-2023-0196

Vulnerability from csaf_certbund - Published: 2023-01-24 23:00 - Updated: 2024-02-27 23:00
Summary
Linux Kernel: Mehrere Schwachstellen ermöglichen 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 mehrere Schwachstellen 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 mehrere Schwachstellen 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-2023-0196 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0196.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0196 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0196"
      },
      {
        "category": "external",
        "summary": "RedHat Bugzilla vom 2023-01-24",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2163723"
      },
      {
        "category": "external",
        "summary": "RedHat Bugzilla vom 2023-01-24",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2164024"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5912-1 vom 2023-03-03",
        "url": "https://ubuntu.com/security/notices/USN-5912-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5914-1 vom 2023-03-03",
        "url": "https://ubuntu.com/security/notices/USN-5914-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5935-1 vom 2023-03-07",
        "url": "https://ubuntu.com/security/notices/USN-5935-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5941-1 vom 2023-03-09",
        "url": "https://ubuntu.com/security/notices/USN-5941-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5962-1 vom 2023-03-16",
        "url": "https://ubuntu.com/security/notices/USN-5962-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5970-1 vom 2023-03-24",
        "url": "https://ubuntu.com/security/notices/USN-5970-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5979-1 vom 2023-03-28",
        "url": "https://ubuntu.com/security/notices/USN-5979-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice LSN-0094-1 vom 2023-04-19",
        "url": "https://ubuntu.com/security/notices/USN-6024-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice LSN-0094-1 vom 2023-04-18",
        "url": "https://ubuntu.com/security/notices/LSN-0094-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6071-1 vom 2023-05-10",
        "url": "https://ubuntu.com/security/notices/USN-6071-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6072-1 vom 2023-05-10",
        "url": "https://ubuntu.com/security/notices/USN-6072-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2809-1 vom 2023-07-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015470.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2646-1 vom 2024-02-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/018025.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2024-02-27T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:42:13.679+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-0196",
      "initial_release_date": "2023-01-24T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-01-24T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-03-02T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-03-07T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-03-09T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-03-16T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-03-23T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-03-28T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-04-18T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-05-10T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-11T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-02-27T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "11"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 6.1 RC7",
                "product": {
                  "name": "Open Source Linux Kernel \u003c 6.1 RC7",
                  "product_id": "T026020"
                }
              }
            ],
            "category": "product_name",
            "name": "Linux Kernel"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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-2023-0468",
      "notes": [
        {
          "category": "description",
          "text": "Im Linux Kernel existieren mehrere Schwachstellen. In der \"io_uring\" Subkomponente bestehen in den Funktionen \"io_install_fixed_file\" aus [io_uring/filetable.c] und \"io_poll_check_events\" aus [io_uring/poll.c] Use after Free Probleme. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "T000126"
        ]
      },
      "release_date": "2023-01-24T23:00:00.000+00:00",
      "title": "CVE-2023-0468"
    },
    {
      "cve": "CVE-2023-0469",
      "notes": [
        {
          "category": "description",
          "text": "Im Linux Kernel existieren mehrere Schwachstellen. In der \"io_uring\" Subkomponente bestehen in den Funktionen \"io_install_fixed_file\" aus [io_uring/filetable.c] und \"io_poll_check_events\" aus [io_uring/poll.c] Use after Free Probleme. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "T000126"
        ]
      },
      "release_date": "2023-01-24T23:00:00.000+00:00",
      "title": "CVE-2023-0469"
    }
  ]
}


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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.