---
id: CVE-2026-97448
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ACPICA: Add validation for node in acpi_ns_build_normalized_path()

  Add validation for node in acpi_ns_build_normalized_path()
  to prevent use-after-free vulnerabilities.
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ACPICA: Add validation for node in acpi_ns_build_normalized_path()

  Add validation for node in acpi_ns_build_normalized_path()
  to prevent use-after-free vulnerabilities.
severity: high
cvss: 7.7
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H'
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    babb146ceb79e71f328788f1e2c8c7c224026e61
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    21a73528579fcbd673b668bd27a05b658123bc1b
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    96b2b616870e46e2bc04efec03879683a0036e66
  - Linux < 6.12.111
  - Linux < 6.18.53
  - Linux (all versions)
published: '2026-09-24'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T05:17:06.087'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97448'
references:
  - url: 'https://git.kernel.org/stable/c/21a73528579fcbd673b668bd27a05b658123bc1b'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/96b2b616870e46e2bc04efec03879683a0036e66'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/babb146ceb79e71f328788f1e2c8c7c224026e61'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-24T16:47:15.876Z'
---

## Overview

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

ACPICA: Add validation for node in acpi_ns_build_normalized_path()

Add validation for node in acpi_ns_build_normalized_path()
to prevent use-after-free vulnerabilities.

## Remediation

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