{
  "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, darunter möglicherweise DoS-Angriffe, die Manipulation oder Offenlegung von Daten sowie die Umgehung von Sicherheitsmaßnahmen.",
      "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-2026-1088 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1088.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1088 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1088"
    }, {
      "category" : "external",
      "summary" : "Kernel CVE Announce Mailingliste",
      "url" : "https://lore.kernel.org/linux-cve-announce/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31414",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041308-CVE-2026-31414-90e7@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31415",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041310-CVE-2026-31415-f7e1@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31416",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041310-CVE-2026-31416-9c4a@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31417",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041310-CVE-2026-31417-d47b@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31418",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041311-CVE-2026-31418-e6b9@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31419",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041353-CVE-2026-31419-e176@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31420",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041355-CVE-2026-31420-f7b0@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31421",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041355-CVE-2026-31421-78d7@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31422",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041356-CVE-2026-31422-04eb@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31423",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041356-CVE-2026-31423-ed66@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31424",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041356-CVE-2026-31424-704f@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31425",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041357-CVE-2026-31425-40d3@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31426",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041357-CVE-2026-31426-bfb3@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31427",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041357-CVE-2026-31427-1afe@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-31428",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026041358-CVE-2026-31428-20a2@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Microsoft Security Update Guide vom 2026-04-14",
      "url" : "https://msrc.microsoft.com/update-guide/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6238 vom 2026-05-04",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00148.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4561 vom 2026-05-02",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/05/msg00005.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6243 vom 2026-05-04",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00154.html"
    }, {
      "category" : "external",
      "summary" : "Container-Optimized OS release notes vom 2026-05-02",
      "url" : "https://docs.cloud.google.com/container-optimized-os/docs/release-notes#May_01_2026"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:13566 vom 2026-05-05",
      "url" : "https://access.redhat.com/errata/RHSA-2026:13566"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-13566 vom 2026-05-06",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-13566.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:13566 vom 2026-05-06",
      "url" : "https://errata.build.resf.org/RLSA-2026:13566"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6253 vom 2026-05-08",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00164.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:19521 vom 2026-05-20",
      "url" : "https://access.redhat.com/errata/RHSA-2026:19521"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8277-1 vom 2026-05-20",
      "url" : "https://ubuntu.com/security/notices/USN-8277-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8278-1 vom 2026-05-20",
      "url" : "https://ubuntu.com/security/notices/USN-8278-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8279-1 vom 2026-05-20",
      "url" : "https://ubuntu.com/security/notices/USN-8279-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8289-1 vom 2026-05-21",
      "url" : "https://ubuntu.com/security/notices/USN-8289-1"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-05-20T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-05-21T07:57:09.808+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-1088",
      "initial_release_date" : "2026-04-13T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-04-13T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-04-14T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates aufgenommen"
      }, {
        "date" : "2026-05-03T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2026-05-04T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-05-05T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2026-05-06T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
      }, {
        "date" : "2026-05-10T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2026-05-19T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Red Hat und Ubuntu aufgenommen"
      }, {
        "date" : "2026-05-20T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      } ],
      "status" : "final",
      "version" : "9"
    }
  },
  "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" : "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" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "azl3",
          "product" : {
            "name" : "Microsoft Azure Linux azl3",
            "product_id" : "T049210",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:microsoft:azure_linux:azl3"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Azure Linux"
      } ],
      "category" : "vendor",
      "name" : "Microsoft"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel",
        "product" : {
          "name" : "Open Source Linux Kernel",
          "product_id" : "T052740",
          "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" : "RESF Rocky Linux",
        "product" : {
          "name" : "RESF Rocky Linux",
          "product_id" : "T032255",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:resf:rocky_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "RESF"
    }, {
      "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" : "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-2026-31414",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31414"
  }, {
    "cve" : "CVE-2026-31415",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31415"
  }, {
    "cve" : "CVE-2026-31416",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31416"
  }, {
    "cve" : "CVE-2026-31417",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31417"
  }, {
    "cve" : "CVE-2026-31418",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31418"
  }, {
    "cve" : "CVE-2026-31419",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31419"
  }, {
    "cve" : "CVE-2026-31420",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31420"
  }, {
    "cve" : "CVE-2026-31421",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31421"
  }, {
    "cve" : "CVE-2026-31422",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31422"
  }, {
    "cve" : "CVE-2026-31423",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31423"
  }, {
    "cve" : "CVE-2026-31424",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31424"
  }, {
    "cve" : "CVE-2026-31425",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31425"
  }, {
    "cve" : "CVE-2026-31426",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31426"
  }, {
    "cve" : "CVE-2026-31427",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31427"
  }, {
    "cve" : "CVE-2026-31428",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T000126", "T049210", "T004914", "1607324", "T052740", "T032255" ]
    },
    "release_date" : "2026-04-13T22:00:00.000+00:00",
    "title" : "CVE-2026-31428"
  } ]
}