{
  "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-2023-0845 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0845.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0845 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0845"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla Bug ID: 2184578 vom 2023-04-04",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2184578"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6033-1 vom 2023-04-19",
        "url": "https://ubuntu.com/security/notices/USN-6033-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6043-1 vom 2023-04-26",
        "url": "https://ubuntu.com/security/notices/USN-6043-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6043-1 vom 2023-04-26",
        "url": "https://ubuntu.com/security/notices/USN-6044-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5791-2 vom 2023-04-26",
        "url": "https://ubuntu.com/security/notices/USN-6045-1"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3404 vom 2023-05-03",
        "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3403 vom 2023-05-03",
        "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2147-1 vom 2023-05-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014817.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2148-1 vom 2023-05-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014816.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2146-1 vom 2023-05-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014812.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2151-1 vom 2023-05-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014811.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2141-1 vom 2023-05-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014821.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2140-1 vom 2023-05-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014813.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2162-1 vom 2023-05-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014832.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2156-1 vom 2023-05-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014830.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2163-1 vom 2023-05-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014848.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2231-1 vom 2023-05-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014914.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2232-1 vom 2023-05-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014918.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6175-1 vom 2023-06-16",
        "url": "https://ubuntu.com/security/notices/USN-6175-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6186-1 vom 2023-06-22",
        "url": "https://ubuntu.com/security/notices/USN-6186-1"
      },
      {
        "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-2023:2871-1 vom 2023-07-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015524.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6284-1 vom 2023-08-11",
        "url": "https://ubuntu.com/security/notices/USN-6284-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6301-1 vom 2023-08-17",
        "url": "https://ubuntu.com/security/notices/USN-6301-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6300-1 vom 2023-08-17",
        "url": "https://ubuntu.com/security/notices/USN-6300-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6312-1 vom 2023-08-29",
        "url": "https://ubuntu.com/security/notices/USN-6312-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6311-1 vom 2023-08-29",
        "url": "https://ubuntu.com/security/notices/USN-6311-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6332-1 vom 2023-09-01",
        "url": "https://ubuntu.com/security/notices/USN-6332-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6331-1 vom 2023-09-01",
        "url": "https://ubuntu.com/security/notices/USN-6331-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6337-1 vom 2023-09-04",
        "url": "https://ubuntu.com/security/notices/USN-6337-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6347-1 vom 2023-09-06",
        "url": "https://ubuntu.com/security/notices/USN-6347-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:6583 vom 2023-11-07",
        "url": "https://access.redhat.com/errata/RHSA-2023:6583"
      },
      {
        "category": "external",
        "summary": "Dell Security Advisory DSA-2023-317 vom 2023-11-13",
        "url": "https://www.dell.com/support/kbdoc/de-de/000219148/dsa-2023-317-security-update-for-dell-networker-vproxy-multiple-linux-packages-vulnerabilities"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:6901 vom 2023-11-15",
        "url": "https://access.redhat.com/errata/RHSA-2023:6901"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:7077 vom 2023-11-15",
        "url": "https://access.redhat.com/errata/RHSA-2023:7077"
      },
      {
        "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": "Red Hat Security Advisory RHSA-2024:0412 vom 2024-01-25",
        "url": "https://access.redhat.com/errata/RHSA-2024:0412"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0575 vom 2024-01-30",
        "url": "https://access.redhat.com/errata/RHSA-2024:0575"
      },
      {
        "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: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-02-27T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-28T10:38:27.671+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-0845",
      "initial_release_date": "2023-04-04T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-04-04T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-04-19T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-04-26T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-05-02T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-05-03T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-05-09T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-05-10T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-05-18T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-18T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-22T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-11T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-18T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-13T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-08-17T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-08-28T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-08-31T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-04T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-06T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-07T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-11-12T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Dell aufgenommen"
        },
        {
          "date": "2023-11-14T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-18T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-01-25T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-30T23:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-02-27T23:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "25"
    }
  },
  "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": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c vproxy 19.9.0.2",
                "product": {
                  "name": "Dell NetWorker \u003c vproxy 19.9.0.2",
                  "product_id": "T030173",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dell:networker:vproxy_19.9.0.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c vproxy 19.8.0.3",
                "product": {
                  "name": "Dell NetWorker \u003c vproxy 19.8.0.3",
                  "product_id": "T030174",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dell:networker:vproxy_19.8.0.3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "NetWorker"
          }
        ],
        "category": "vendor",
        "name": "Dell"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 6.3-rc3",
                "product": {
                  "name": "Open Source Linux Kernel \u003c 6.3-rc3",
                  "product_id": "T027080",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:6.3-rc3"
                  }
                }
              }
            ],
            "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": "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-2023-1855",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Diese ist auf einen Use-after-Free-Fehler im Hardware Monitoring Kernel Treiber 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": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "T004914",
          "T030174",
          "T030173"
        ]
      },
      "release_date": "2023-04-04T22:00:00Z",
      "title": "CVE-2023-1855"
    }
  ]
}