{
  "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 oder Informationen offenzulegen.",
        "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-2023-2307 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2307.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2307 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2307"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla Bug ID: 2238312 vom 2023-09-11",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2238312"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3988-1 vom 2023-10-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016554.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4030-1 vom 2023-10-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016618.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4031-1 vom 2023-10-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016617.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4033-1 vom 2023-10-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016620.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4032-1 vom 2023-10-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016621.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4072-1 vom 2023-10-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016677.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4071-1 vom 2023-10-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016678.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4093-1 vom 2023-10-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016702.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4095-1 vom 2023-10-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016715.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6445-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6445-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6440-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6440-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6443-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6443-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6442-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6442-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6444-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6444-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6446-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6446-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6439-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6439-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6441-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6441-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4142-1 vom 2023-10-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016764.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6440-2 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6440-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6441-2 vom 2023-10-23",
        "url": "https://ubuntu.com/security/notices/USN-6441-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6439-2 vom 2023-10-23",
        "url": "https://ubuntu.com/security/notices/USN-6439-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6446-2 vom 2023-10-24",
        "url": "https://ubuntu.com/security/notices/USN-6446-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6444-2 vom 2023-10-24",
        "url": "https://ubuntu.com/security/notices/USN-6444-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6445-2 vom 2023-10-24",
        "url": "https://ubuntu.com/security/notices/USN-6445-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6454-1 vom 2023-10-26",
        "url": "https://ubuntu.com/security/notices/USN-6454-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6446-3 vom 2023-10-26",
        "url": "https://ubuntu.com/security/notices/USN-6446-3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6454-2 vom 2023-10-30",
        "url": "https://ubuntu.com/security/notices/USN-6454-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6441-3 vom 2023-10-30",
        "url": "https://ubuntu.com/security/notices/USN-6441-3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6466-1 vom 2023-10-31",
        "url": "https://ubuntu.com/security/notices/USN-6466-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6454-3 vom 2023-10-31",
        "url": "https://ubuntu.com/security/notices/USN-6454-3"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.10-2023-042 vom 2023-11-01",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2023-042.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6454-4 vom 2023-11-01",
        "url": "https://ubuntu.com/security/notices/USN-6454-4"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4072-2 vom 2023-11-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/016995.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice LSN-0099-1 vom 2023-11-28",
        "url": "https://ubuntu.com/security/notices/LSN-0099-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1322-1 vom 2024-04-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018374.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1332-1 vom 2024-04-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018376.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1332-2 vom 2024-04-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018378.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1322-2 vom 2024-04-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018377.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1466-1 vom 2024-04-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018438.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1480-1 vom 2024-04-30",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018444.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1490-1 vom 2024-05-03",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018445.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1641-1 vom 2024-05-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018531.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1643-1 vom 2024-05-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018529.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12610 vom 2024-09-12",
        "url": "https://linux.oracle.com/errata/ELSA-2024-12610.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12612 vom 2024-09-12",
        "url": "https://linux.oracle.com/errata/ELSA-2024-12612.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service oder Offenlegung von Informationen",
    "tracking": {
      "current_release_date": "2024-09-11T22:00:00.000+00:00",
      "generator": {
        "date": "2024-09-12T09:18:08.182+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.6"
        }
      },
      "id": "WID-SEC-W-2023-2307",
      "initial_release_date": "2023-09-11T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-09-11T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-10-05T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-10T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-15T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-16T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-17T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-19T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-22T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE und Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-23T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-24T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-26T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-30T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-31T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-01T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Amazon und Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-06T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-28T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-04-16T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-18T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-29T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-05-01T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-05-02T22:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-05-14T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-09-11T22:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "23"
    }
  },
  "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": "Open Source Linux Kernel",
            "product": {
              "name": "Open Source Linux Kernel",
              "product_id": "T029076",
              "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": "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-2023-4881",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Diese besteht in der Komponente \"Netfilter\" und ist auf einen Out-of-Bounds-Schreibfehler zur\u00fcckzuf\u00fchren. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren oder Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T029076",
          "T002207",
          "T000126",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2023-09-11T22:00:00.000+00:00",
      "title": "CVE-2023-4881"
    }
  ]
}