wid-sec-w-2023-2503
Vulnerability from csaf_certbund
Published
2023-09-27 22:00
Modified
2024-05-15 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-2023-2503 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2503.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2503 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2503"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-13043 vom 2023-12-14",
        "url": "https://linux.oracle.com/errata/ELSA-2023-13043.html"
      },
      {
        "category": "external",
        "summary": "Linux Security Notification vom 2023-09-27",
        "url": "https://seclists.org/oss-sec/2023/q3/242"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-C3BB819677 vom 2023-10-07",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-c3bb819677"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-50BD7C9C12 vom 2023-10-07",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-50bd7c9c12"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-830D9EC624 vom 2023-10-07",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-830d9ec624"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.15-2023-028 vom 2023-10-18",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.15-2023-028.html"
      },
      {
        "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-6445-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6445-1"
      },
      {
        "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-6446-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6446-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6442-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6442-1"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3623 vom 2023-10-19",
        "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
      },
      {
        "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-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-6446-2 vom 2023-10-24",
        "url": "https://ubuntu.com/security/notices/USN-6446-2"
      },
      {
        "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-6454-1 vom 2023-10-26",
        "url": "https://ubuntu.com/security/notices/USN-6454-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6454-4 vom 2023-11-01",
        "url": "https://ubuntu.com/security/notices/USN-6454-4"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12974 vom 2023-11-13",
        "url": "https://oss.oracle.com/pipermail/el-errata/2023-November/014870.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:2394 vom 2024-04-30",
        "url": "https://access.redhat.com/errata/RHSA-2024:2394"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7152469 vom 2024-05-15",
        "url": "https://www.ibm.com/support/pages/node/7152469"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-05-15T22:00:00.000+00:00",
      "generator": {
        "date": "2024-05-16T08:04:49.090+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-2503",
      "initial_release_date": "2023-09-27T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-09-27T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-10-08T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-10-17T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-10-19T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu und Debian aufgenommen"
        },
        {
          "date": "2023-10-23T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-24T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-26T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-30T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-31T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-01T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-13T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-12-14T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-04-29T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-05-15T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von IBM aufgenommen"
        }
      ],
      "status": "final",
      "version": "14"
    }
  },
  "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": "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": "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",
                "name": "12",
                "product": {
                  "name": "IBM Security Guardium 12.0",
                  "product_id": "T031092",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:security_guardium:12.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Security Guardium"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=6.5.rc7",
                "product": {
                  "name": "Open Source Linux Kernel \u003c=6.5.rc7",
                  "product_id": "T030113",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:6.5.rc7"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c=6.1",
                "product": {
                  "name": "Open Source Linux Kernel \u003c=6.1",
                  "product_id": "T030114",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:6.1"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c=5.10",
                "product": {
                  "name": "Open Source Linux Kernel \u003c=5.10",
                  "product_id": "T030115",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:5.10"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "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": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "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-2023-42756",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle im Linux-Kernel. Dieser Fehler besteht netfilter/ip_set aufgrund einer Race Condition. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T030114",
          "T030113",
          "2951",
          "67646",
          "T030115",
          "T000126",
          "T031092",
          "398363",
          "T004914",
          "74185"
        ]
      },
      "release_date": "2023-09-27T22:00:00Z",
      "title": "CVE-2023-42756"
    }
  ]
}


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