{
  "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 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-2026-0194 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0194.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0194 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0194"
    }, {
      "category" : "external",
      "summary" : "Kernel CVE Announce Mailingliste",
      "url" : "https://lore.kernel.org/linux-cve-announce/"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement CVE-2026-22977",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026012158-CVE-2026-22977-cead@gregkh/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6127 vom 2026-02-10",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00036.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6126 vom 2026-02-09",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00035.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0447-1 vom 2026-02-11",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024124.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4476 vom 2026-02-11",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/02/msg00017.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4475 vom 2026-02-11",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/02/msg00016.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0472-1 vom 2026-02-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024141.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2026-113 vom 2026-02-19",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.10-2026-113.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0587-1 vom 2026-02-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024356.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20477-1 vom 2026-02-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024409.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20479-1 vom 2026-02-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024407.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20520-1 vom 2026-02-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024455.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20498-1 vom 2026-02-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024476.html"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:20287-1 vom 2026-02-28",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/K7KIWX7XP3UMVFSHT47OOZ24TQQYNNHI/"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2026-098 vom 2026-03-06",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.15-2026-098.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20599-1 vom 2026-03-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024614.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20570-1 vom 2026-03-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024574.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20615-1 vom 2026-03-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024605.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20555-1 vom 2026-03-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024590.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-50144 vom 2026-03-11",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-50144.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-50145 vom 2026-03-12",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-50145.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8096-1 vom 2026-03-17",
      "url" : "https://ubuntu.com/security/notices/USN-8096-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8096-2 vom 2026-03-17",
      "url" : "https://ubuntu.com/security/notices/USN-8096-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8096-3 vom 2026-03-17",
      "url" : "https://ubuntu.com/security/notices/USN-8096-3"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8096-4 vom 2026-03-17",
      "url" : "https://ubuntu.com/security/notices/USN-8096-4"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8116-1 vom 2026-03-23",
      "url" : "https://ubuntu.com/security/notices/USN-8116-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8096-5 vom 2026-03-23",
      "url" : "https://ubuntu.com/security/notices/USN-8096-5"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20819-1 vom 2026-03-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024871.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20794-1 vom 2026-03-25",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024895.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20772-1 vom 2026-03-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024862.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20845-1 vom 2026-03-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024994.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20872-1 vom 2026-03-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024969.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20876-1 vom 2026-03-30",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/025054.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-50171 vom 2026-03-31",
      "url" : "https://oss.oracle.com/pipermail/el-errata/2026-March/020110.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8141-1 vom 2026-04-01",
      "url" : "https://ubuntu.com/security/notices/USN-8141-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8163-1 vom 2026-04-10",
      "url" : "https://ubuntu.com/security/notices/USN-8163-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8163-2 vom 2026-04-14",
      "url" : "https://ubuntu.com/security/notices/USN-8163-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8243-1 vom 2026-05-07",
      "url" : "https://ubuntu.com/security/notices/USN-8243-1"
    }, {
      "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-8289-1 vom 2026-05-21",
      "url" : "https://ubuntu.com/security/notices/USN-8289-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8278-2 vom 2026-05-26",
      "url" : "https://ubuntu.com/security/notices/USN-8278-2"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-50275 vom 2026-05-28",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-50275.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-05-27T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-05-28T10:50:56.448+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-0194",
      "initial_release_date" : "2026-01-21T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-01-21T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-02-09T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2026-02-11T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE und Debian aufgenommen"
      }, {
        "date" : "2026-02-12T23:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-02-18T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2026-02-22T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-02-26T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-01T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE und openSUSE aufgenommen"
      }, {
        "date" : "2026-03-05T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Amazon und SUSE aufgenommen"
      }, {
        "date" : "2026-03-11T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2026-03-16T23:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-03-17T23:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-03-23T23:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-03-24T23:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-29T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-30T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-31T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2026-04-01T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-04-09T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-04-13T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-05-06T22:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-05-19T22:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-05-20T22:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-05-26T22:00:00.000+00:00",
        "number" : "24",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-05-27T22:00:00.000+00:00",
        "number" : "25",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      } ],
      "status" : "final",
      "version" : "25"
    }
  },
  "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" : "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" : "T028463",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:linux:linux_kernel:unspecified"
          }
        }
      } ],
      "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" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T002207",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "SUSE openSUSE",
        "product" : {
          "name" : "SUSE openSUSE",
          "product_id" : "T027843",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:opensuse:-"
          }
        }
      } ],
      "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-2026-22977",
    "product_status" : {
      "known_affected" : [ "T028463", "2951", "T002207", "T000126", "T027843", "398363", "T004914" ]
    },
    "release_date" : "2026-01-21T23:00:00.000+00:00",
    "title" : "CVE-2026-22977"
  } ]
}