---
id: CVE-2026-97450
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ACPICA: validate handler object type in two places

  ACPICA: validate handler object type in acpi_ev_has_default_handler()
  and acpi_ev_find_region_handler().
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ACPICA: validate handler object type in two places

  ACPICA: validate handler object type in acpi_ev_has_default_handler()
  and acpi_ev_find_region_handler().
severity: high
cvss: 8.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    bfd981d35ed3156414fd35b4fe311d5d25cbfca6
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    4c977d57a784682dc8c6cce2f9253ef44ec28ae8
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    c5296da2d516707862f8a2dbb4b515f777e5294f
  - Linux < 6.12.111
  - Linux < 6.18.53
  - Linux (all versions)
published: '2026-09-24'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T05:17:06.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97450'
references:
  - url: 'https://git.kernel.org/stable/c/4c977d57a784682dc8c6cce2f9253ef44ec28ae8'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/bfd981d35ed3156414fd35b4fe311d5d25cbfca6'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/c5296da2d516707862f8a2dbb4b515f777e5294f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-24T16:47:15.875Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

ACPICA: validate handler object type in two places

ACPICA: validate handler object type in acpi_ev_has_default_handler()
and acpi_ev_find_region_handler().

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.