wid-sec-w-2023-1106
Vulnerability from csaf_certbund
Published
2023-05-01 22:00
Modified
2023-09-10 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-2023-1106 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1106.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1106 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1106"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5492 vom 2023-09-10",
        "url": "https://lists.debian.org/debian-security-announce/2023/msg00184.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3302-1 vom 2023-08-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015894.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2892-1 vom 2023-07-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015533.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2871-1 vom 2023-07-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015524.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6234-1 vom 2023-07-18",
        "url": "https://ubuntu.com/security/notices/USN-6234-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6235-1 vom 2023-07-18",
        "url": "https://ubuntu.com/security/notices/USN-6235-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6194-1 vom 2023-06-29",
        "url": "https://ubuntu.com/security/notices/USN-6194-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6192-1 vom 2023-06-29",
        "url": "https://ubuntu.com/security/notices/USN-6192-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla \u2013 Bug 2192175 vom 2023-05-01",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2192175"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-09-10T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:50:09.249+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-1106",
      "initial_release_date": "2023-05-01T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-05-01T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-06-29T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-18T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu und SUSE aufgenommen"
        },
        {
          "date": "2023-07-19T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-13T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-10T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Debian aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel \u003c 6.2 RC5",
            "product": {
              "name": "Open Source Linux Kernel \u003c 6.2 RC5",
              "product_id": "T027547",
              "product_identification_helper": {
                "cpe": "cpe:/o:linux:linux_kernel:6.2:rc5"
              }
            }
          }
        ],
        "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-2023-2430",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle im Linux-Kernel aufgrund eines fehlenden Resource-Locking f\u00fcr \"IOPOLL\" in \"io_cqring_event_overflow()\" in [io_uring.c]. Ein lokaler Angreifer kann dies ausnutzen, um einen Denial of Service-Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "T000126"
        ]
      },
      "release_date": "2023-05-01T22:00:00.000+00:00",
      "title": "CVE-2023-2430"
    }
  ]
}


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