{"id":"CVE-2026-100072","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: platform: Use acpi_bus_get_primary_device()\n\nThe acpi_get_first_physical_node() usage in acpi_platform_fill_resource()\nand acpi_create_platform_device() is genera…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: platform: Use acpi_bus_get_primary_device()\n\nThe acpi_get_first_physical_node() usage in acpi_platform_fill_resource()\nand acpi_create_platform_device() is genera…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 3b95bd160547f56a68aeb972c33ae9511e7a8380 < c9d202d3b6c28e8c779cd2f2b10d2f7ab665ca71","Linux >= 3b95bd160547f56a68aeb972c33ae9511e7a8380 < a9ba4dd2f18bf3f439d9ef0d8f375f90360ba1bd","Linux 4.6"],"published":"2026-09-25","updated":"2026-09-30","sourceUpdated":"2026-09-30T14:10:59.253","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100072","references":[{"url":"https://git.kernel.org/stable/c/a9ba4dd2f18bf3f439d9ef0d8f375f90360ba1bd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c9d202d3b6c28e8c779cd2f2b10d2f7ab665ca71","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-100072.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-100072"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541429"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-100072"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100072"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-100072.mbox"},{"url":"https://git.kernel.org/stable/c/a75e5de593ef158feb17989bff7730c5a3d82503"},{"url":"https://git.kernel.org/stable/c/527a497fb2ef77a95170eefe2007e2c4c957bd2c"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00156,"epssPercentile":0.04682,"ingestedAt":"2026-09-25T14:09:46.376Z","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-825"],"slug":"CVE-2026-100072","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nACPI: platform: Use acpi_bus_get_primary_device()\n\nThe acpi_get_first_physical_node() usage in acpi_platform_fill_resource()\nand acpi_create_platform_device() is generally unsafe because in theory\nthe device returned by it may be freed at any time [1].\n\nIt is also inefficient because acpi_get_first_physical_node() is called\nmultiple times for the same argument which can be avoided.\n\nAddress these issues by using acpi_bus_get_primary_device() instead of\nacpi_get_first_physical_node() and adjusting the code to call it just\nonce at the beginning of and acpi_create_platform_device() and drop\nthe device reference acquired by it upon the return from that function.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-100072.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":214185,"id":"CVE-2026-100072","ts":1790841338612,"field":"cvss","old":null,"new":"5.5"},{"seq":214184,"id":"CVE-2026-100072","ts":1790841338612,"field":"severity","old":"none","new":"medium"}]}