{
  "document" : {
    "aggregate_severity" : {
      "text" : "hoch"
    },
    "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 seine Privilegien zu erhöhen.",
      "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-2026-1633 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1633.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1633 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1633"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel netdev mailing list vom 2026-05-20",
      "url" : "https://lore.kernel.org/netdev/20260505234336.2132721-1-achender@kernel.org/"
    }, {
      "category" : "external",
      "summary" : "PinTheft Writeup + PoC vom 2026-05-20",
      "url" : "https://github.com/v12-security/pocs/tree/09e835b587bf71249775654061ae4c79e92cf430/pintheft"
    }, {
      "category" : "external",
      "summary" : "Linux Kernel CVE Announcement vom 2026-05-21",
      "url" : "https://lore.kernel.org/linux-cve-announce/2026052130-CVE-2026-43494-a65a@gregkh/T/#u"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2026-120 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.10-2026-120.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2026-104 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.15-2026-104.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-302 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-302.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-305 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-305.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-301 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-301.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-304 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-304.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-307 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-307.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2KERNEL-5.4-2026-124 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2KERNEL-5.4-2026-124.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-303 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-303.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2LIVEPATCH-2026-306 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2LIVEPATCH-2026-306.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation",
    "tracking" : {
      "current_release_date" : "2026-05-26T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-05-27T08:05:37.546+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-1633",
      "initial_release_date" : "2026-05-20T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-05-20T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-05-21T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Referenz(en) aufgenommen: EUVD-2026-31267"
      }, {
        "date" : "2026-05-26T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Amazon aufgenommen"
      } ],
      "status" : "final",
      "version" : "3"
    }
  },
  "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" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<7.1-rc4",
          "product" : {
            "name" : "Open Source Linux Kernel <7.1-rc4",
            "product_id" : "T054470"
          }
        }, {
          "category" : "product_version",
          "name" : "7.1-rc4",
          "product" : {
            "name" : "Open Source Linux Kernel 7.1-rc4",
            "product_id" : "T054470-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:7.1-rc4"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Linux Kernel"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-43494",
    "product_status" : {
      "known_affected" : [ "T054470", "398363" ]
    },
    "release_date" : "2026-05-20T22:00:00.000+00:00",
    "title" : "CVE-2026-43494"
  } ]
}