{
  "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 entfernter, anonymer 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-2023-1165 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1165.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1165 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1165"
      },
      {
        "category": "external",
        "summary": "Zero Day Initiative Advisory vom 2023-05-07",
        "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-547/"
      },
      {
        "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"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2502-1 vom 2023-06-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015177.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2500-1 vom 2023-06-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015179.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6173-1 vom 2023-06-16",
        "url": "https://ubuntu.com/security/notices/USN-6173-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2611-1 vom 2023-06-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015266.html"
      },
      {
        "category": "external",
        "summary": "NetApp Security Advisory NTAP-20230622-0001 vom 2023-06-22",
        "url": "https://security.netapp.com/advisory/ntap-20230622-0001/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2653-1 vom 2023-06-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015325.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2023-034 vom 2023-06-29",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2023-034.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2023-021 vom 2023-06-29",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.15-2023-021.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2782-1 vom 2023-07-04",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015410.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5448 vom 2023-07-06",
        "url": "https://www.debian.org/security/2023/dsa-5448"
      },
      {
        "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": "Debian Security Advisory DSA-5453 vom 2023-07-17",
        "url": "https://lists.debian.org/debian-security-announce/2023/msg00145.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": "Debian Security Advisory DLA-3512 vom 2023-08-02",
        "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00001.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-2023:3311-1 vom 2023-08-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015904.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3313-1 vom 2023-08-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015903.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3318-1 vom 2023-08-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015905.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3376-1 vom 2023-08-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015987.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3377-1 vom 2023-08-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015992.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3391-1 vom 2023-08-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015999.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-141 vom 2023-08-23",
        "url": "https://alas.aws.amazon.com/AL2/ALASLIVEPATCH-2023-141.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-140 vom 2023-08-23",
        "url": "https://alas.aws.amazon.com/AL2/ALASLIVEPATCH-2023-140.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-139 vom 2023-08-23",
        "url": "https://alas.aws.amazon.com/AL2/ALASLIVEPATCH-2023-139.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-138 vom 2023-08-23",
        "url": "https://alas.aws.amazon.com/AL2/ALASLIVEPATCH-2023-138.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-137 vom 2023-08-23",
        "url": "https://alas.aws.amazon.com/AL2/ALASLIVEPATCH-2023-137.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3421-1 vom 2023-08-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/016021.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-6583 vom 2024-01-18",
        "url": "https://oss.oracle.com/pipermail/el-errata/2024-January/015150.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3595-1 vom 2023-09-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016143.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3594-1 vom 2023-09-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016141.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3607-1 vom 2023-09-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016155.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3627-1 vom 2023-09-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016169.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3658-1 vom 2023-09-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016184.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3632-1 vom 2023-09-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016170.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3631-1 vom 2023-09-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016171.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3648-1 vom 2023-09-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016178.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3657-1 vom 2023-09-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016185.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3659-1 vom 2023-09-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016183.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3653-1 vom 2023-09-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016177.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3671-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016218.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3668-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016219.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3677-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016215.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3676-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016216.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3675-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016217.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6412-1 vom 2023-10-04",
        "url": "https://ubuntu.com/security/notices/USN-6412-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6416-1 vom 2023-10-05",
        "url": "https://ubuntu.com/security/notices/USN-6416-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6416-2 vom 2023-10-06",
        "url": "https://ubuntu.com/security/notices/USN-6416-2"
      },
      {
        "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-6416-3 vom 2023-10-19",
        "url": "https://ubuntu.com/security/notices/USN-6416-3"
      },
      {
        "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-6466-1 vom 2023-10-31",
        "url": "https://ubuntu.com/security/notices/USN-6466-1"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-016 vom 2024-07-02",
        "url": "https://alas.aws.amazon.com/AL2023/ALASLIVEPATCH-2023-016.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-018 vom 2024-07-02",
        "url": "https://alas.aws.amazon.com/AL2023/ALASLIVEPATCH-2023-018.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-017 vom 2024-07-02",
        "url": "https://alas.aws.amazon.com/AL2023/ALASLIVEPATCH-2023-017.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASLIVEPATCH-2023-019 vom 2024-07-02",
        "url": "https://alas.aws.amazon.com/AL2023/ALASLIVEPATCH-2023-019.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-07-01T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:50:32.192+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-1165",
      "initial_release_date": "2023-05-07T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-05-07T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-06-13T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-18T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-21T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-22T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von NetApp aufgenommen"
        },
        {
          "date": "2023-06-27T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-29T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-07-04T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-05T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-07-11T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-16T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-07-18T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-02T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-08-13T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-14T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-15T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-22T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-23T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE und Amazon aufgenommen"
        },
        {
          "date": "2023-08-24T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-13T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-14T22:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-17T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-18T22:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-19T22:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-04T22:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-08T22:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-19T22:00:00.000+00:00",
          "number": "27",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-24T22:00:00.000+00:00",
          "number": "28",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-31T23:00:00.000+00:00",
          "number": "29",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-01-18T23:00:00.000+00:00",
          "number": "30",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-02-27T23:00:00.000+00:00",
          "number": "31",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-07-01T22:00:00.000+00:00",
          "number": "32",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "32"
    }
  },
  "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": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "for VMware vSphere",
                "product": {
                  "name": "NetApp ActiveIQ Unified Manager for VMware vSphere",
                  "product_id": "T025152",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:netapp:active_iq_unified_manager:for_vmware_vsphere"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "ActiveIQ Unified Manager"
          }
        ],
        "category": "vendor",
        "name": "NetApp"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel",
            "product": {
              "name": "Open Source Linux Kernel",
              "product_id": "6368",
              "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-2023-2156",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Das Problem besteht in der Handhabung des RPL-Protokolls aufgrund einer unzureichenden Behandlung der vom Benutzer bereitgestellten Daten, was zu einem Assertion-Fehler f\u00fchren kann. Ein Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T025152",
          "2951",
          "T002207",
          "6368",
          "T000126",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2023-05-07T22:00:00.000+00:00",
      "title": "CVE-2023-2156"
    }
  ]
}