{
  "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 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."
    }, {
      "category" : "description",
      "text" : "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2026-2382 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2382.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2382 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2382"
    }, {
      "category" : "external",
      "summary" : "Kernel CVE Announce Mailingliste",
      "url" : "https://lore.kernel.org/linux-cve-announce/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-53366",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026071639-CVE-2026-53366-f508@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4688 vom 2026-07-18",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/07/msg00030.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3130-1 vom 2026-07-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027664.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3156-1 vom 2026-07-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027682.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3166-1 vom 2026-07-22",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027691.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4700 vom 2026-07-26",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/07/msg00042.html"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:11339-1 vom 2026-07-24",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/4XE63ANXMMX7DE7YLOKB5K6OBLPQO6IV/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:22883-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027876.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3253-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027817.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3254-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027816.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3248-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027818.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:22809-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027822.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3256-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027815.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3286-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027946.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:22791-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027836.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3264-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027928.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:22904-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027859.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3246-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027819.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:22790-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027837.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:22903-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027860.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:22810-1 vom 2026-07-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027821.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3316-1 vom 2026-07-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027951.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3301-1 vom 2026-07-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027952.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-07-27T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-07-28T11:03:32.033+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2382",
      "initial_release_date" : "2026-07-15T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-07-15T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-07-19T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2026-07-20T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-07-21T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-07-26T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Debian und openSUSE aufgenommen"
      }, {
        "date" : "2026-07-27T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE 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" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<6.6.144",
          "product" : {
            "name" : "Open Source Linux Kernel <6.6.144",
            "product_id" : "T056721"
          }
        }, {
          "category" : "product_version",
          "name" : "6.6.144",
          "product" : {
            "name" : "Open Source Linux Kernel 6.6.144",
            "product_id" : "T056721-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:6.6.144"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<6.12.95",
          "product" : {
            "name" : "Open Source Linux Kernel <6.12.95",
            "product_id" : "T056722"
          }
        }, {
          "category" : "product_version",
          "name" : "6.12.95",
          "product" : {
            "name" : "Open Source Linux Kernel 6.12.95",
            "product_id" : "T056722-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:6.12.95"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<6.18.38",
          "product" : {
            "name" : "Open Source Linux Kernel <6.18.38",
            "product_id" : "T056723"
          }
        }, {
          "category" : "product_version",
          "name" : "6.18.38",
          "product" : {
            "name" : "Open Source Linux Kernel 6.18.38",
            "product_id" : "T056723-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:6.18.38"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<7.1.3",
          "product" : {
            "name" : "Open Source Linux Kernel <7.1.3",
            "product_id" : "T056724"
          }
        }, {
          "category" : "product_version",
          "name" : "7.1.3",
          "product" : {
            "name" : "Open Source Linux Kernel 7.1.3",
            "product_id" : "T056724-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:7.1.3"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<7.2-rc1",
          "product" : {
            "name" : "Open Source Linux Kernel <7.2-rc1",
            "product_id" : "T056725"
          }
        }, {
          "category" : "product_version",
          "name" : "7.2-rc1",
          "product" : {
            "name" : "Open Source Linux Kernel 7.2-rc1",
            "product_id" : "T056725-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:7.2-rc1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Linux Kernel"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T054646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "SUSE openSUSE",
        "product" : {
          "name" : "SUSE openSUSE",
          "product_id" : "T055946",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:opensuse:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-53366",
    "product_status" : {
      "known_affected" : [ "T056721", "T056722", "T056723", "2951", "T056724", "T056725", "T055946", "T054646" ]
    },
    "release_date" : "2026-07-15T22:00:00.000+00:00",
    "title" : "CVE-2026-53366"
  } ]
}