{
  "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 mehrere Schwachstellen im Linux Kernel ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, die möglicherweise zu einem Denial-of-Service-Zustand, zur Manipulation und Offenlegung von Daten oder zu einer Speicherbeschädigung führen können.",
      "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-2026-0809 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0809.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0809 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0809"
    }, {
      "category" : "external",
      "summary" : "Kernel CVE Announce Mailingliste",
      "url" : "https://lore.kernel.org/linux-cve-announce/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-23271",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026032031-CVE-2026-23271-657a@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-23272",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026032034-CVE-2026-23272-8ad1@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-23273",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026032034-CVE-2026-23273-3669@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-23274",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026032034-CVE-2026-23274-ba1d@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-23275",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026032035-CVE-2026-23275-33fe@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-23276",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026032035-CVE-2026-23276-7fd3@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-23277",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026032036-CVE-2026-23277-e478@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-23278",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026032036-CVE-2026-23278-4dcc@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2026-115 vom 2026-04-01",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.10-2026-115.html"
    }, {
      "category" : "external",
      "summary" : "Google Cloud Platform Security Bulletin GCP-2026-017 vom 2026-04-03",
      "url" : "https://docs.cloud.google.com/support/bulletins#gcp-2026-017"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-04-06T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-04-07T10:17:03.197+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-0809",
      "initial_release_date" : "2026-03-19T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-03-19T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-03-22T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Referenz(en) aufgenommen: EUVD-2026-13607"
      }, {
        "date" : "2026-04-01T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2026-04-06T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Google aufgenommen"
      } ],
      "status" : "final",
      "version" : "4"
    }
  },
  "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" : "Google Container-Optimized OS",
        "product" : {
          "name" : "Google Container-Optimized OS",
          "product_id" : "1607324",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:google:container-optimized_os:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Google"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel",
        "product" : {
          "name" : "Open Source Linux Kernel",
          "product_id" : "T051982",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:linux:linux_kernel:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-23271",
    "product_status" : {
      "known_affected" : [ "398363", "1607324", "T051982" ]
    },
    "release_date" : "2026-03-19T23:00:00.000+00:00",
    "title" : "CVE-2026-23271"
  }, {
    "cve" : "CVE-2026-23272",
    "product_status" : {
      "known_affected" : [ "398363", "1607324", "T051982" ]
    },
    "release_date" : "2026-03-19T23:00:00.000+00:00",
    "title" : "CVE-2026-23272"
  }, {
    "cve" : "CVE-2026-23273",
    "product_status" : {
      "known_affected" : [ "398363", "1607324", "T051982" ]
    },
    "release_date" : "2026-03-19T23:00:00.000+00:00",
    "title" : "CVE-2026-23273"
  }, {
    "cve" : "CVE-2026-23274",
    "product_status" : {
      "known_affected" : [ "398363", "1607324", "T051982" ]
    },
    "release_date" : "2026-03-19T23:00:00.000+00:00",
    "title" : "CVE-2026-23274"
  }, {
    "cve" : "CVE-2026-23275",
    "product_status" : {
      "known_affected" : [ "398363", "1607324", "T051982" ]
    },
    "release_date" : "2026-03-19T23:00:00.000+00:00",
    "title" : "CVE-2026-23275"
  }, {
    "cve" : "CVE-2026-23276",
    "product_status" : {
      "known_affected" : [ "398363", "1607324", "T051982" ]
    },
    "release_date" : "2026-03-19T23:00:00.000+00:00",
    "title" : "CVE-2026-23276"
  }, {
    "cve" : "CVE-2026-23277",
    "product_status" : {
      "known_affected" : [ "398363", "1607324", "T051982" ]
    },
    "release_date" : "2026-03-19T23:00:00.000+00:00",
    "title" : "CVE-2026-23277"
  }, {
    "cve" : "CVE-2026-23278",
    "product_status" : {
      "known_affected" : [ "398363", "1607324", "T051982" ]
    },
    "release_date" : "2026-03-19T23:00:00.000+00:00",
    "title" : "CVE-2026-23278"
  } ]
}