{
  "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 lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um den Speicher zu beschädigen, vertrauliche Informationen offenzulegen, Daten zu manipulieren oder einen Denial-of-Service-Zustand zu verursachen.",
      "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-2026-2536 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2536.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2536 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2536"
    }, {
      "category" : "external",
      "summary" : "Kernel CVE Announce Mailingliste",
      "url" : "https://lore.kernel.org/linux-cve-announce/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64537",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072735-CVE-2026-64537-eff0@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64538",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072735-CVE-2026-64538-1a88@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64539",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072735-CVE-2026-64539-4b67@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64540",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072735-CVE-2026-64540-d315@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64541",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072735-CVE-2026-64541-21ef@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64542",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072736-CVE-2026-64542-fe95@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64543",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072736-CVE-2026-64543-1934@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64544",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072736-CVE-2026-64544-62b5@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64545",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072736-CVE-2026-64545-25d6@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64546",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072736-CVE-2026-64546-44ba@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64547",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072736-CVE-2026-64547-4deb@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64548",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072737-CVE-2026-64548-892f@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64549",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072737-CVE-2026-64549-20a7@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64550",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072737-CVE-2026-64550-e84a@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64551",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072737-CVE-2026-64551-1deb@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64552",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072737-CVE-2026-64552-5e13@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64553",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072738-CVE-2026-64553-87c9@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64554",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072738-CVE-2026-64554-e179@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-64555",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026072738-CVE-2026-64555-037b@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6405 vom 2026-07-31",
      "url" : "https://security-tracker.debian.org/tracker/DSA-6405-1"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4717 vom 2026-08-05",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/08/msg00007.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4720 vom 2026-08-05",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/08/msg00008.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-08-05T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-08-06T08:52:10.997+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2536",
      "initial_release_date" : "2026-07-27T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-07-27T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-08-02T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2026-08-04T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2026-08-05T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Debian aufgenommen"
      } ],
      "status" : "final",
      "version" : "4"
    }
  },
  "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" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel",
        "product" : {
          "name" : "Open Source Linux Kernel",
          "product_id" : "T057247",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:linux:linux_kernel:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-64537",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64537"
  }, {
    "cve" : "CVE-2026-64538",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64538"
  }, {
    "cve" : "CVE-2026-64539",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64539"
  }, {
    "cve" : "CVE-2026-64540",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64540"
  }, {
    "cve" : "CVE-2026-64541",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64541"
  }, {
    "cve" : "CVE-2026-64542",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64542"
  }, {
    "cve" : "CVE-2026-64543",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64543"
  }, {
    "cve" : "CVE-2026-64544",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64544"
  }, {
    "cve" : "CVE-2026-64545",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64545"
  }, {
    "cve" : "CVE-2026-64546",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64546"
  }, {
    "cve" : "CVE-2026-64547",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64547"
  }, {
    "cve" : "CVE-2026-64548",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64548"
  }, {
    "cve" : "CVE-2026-64549",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64549"
  }, {
    "cve" : "CVE-2026-64550",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64550"
  }, {
    "cve" : "CVE-2026-64551",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64551"
  }, {
    "cve" : "CVE-2026-64552",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64552"
  }, {
    "cve" : "CVE-2026-64553",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64553"
  }, {
    "cve" : "CVE-2026-64554",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64554"
  }, {
    "cve" : "CVE-2026-64555",
    "product_status" : {
      "known_affected" : [ "2951", "T057247" ]
    },
    "release_date" : "2026-07-27T22:00:00.000+00:00",
    "title" : "CVE-2026-64555"
  } ]
}