---
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'
cwe:
  - CWE-825
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= d1e7ffe50ba588ddf7de520990815c37f31776d8 <
    087eed8b347e14864f8806fa1f5976c7dc2c6792
  - >-
    Linux >= d1e7ffe50ba588ddf7de520990815c37f31776d8 <
    b06bb9b82c8f9a522dde213b1e0ddd535f22e3a2
  - >-
    Linux >= d1e7ffe50ba588ddf7de520990815c37f31776d8 <
    90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70
  - >-
    Linux >= d1e7ffe50ba588ddf7de520990815c37f31776d8 <
    26dd27000e9540fcb594f15010b0696b03b0d240
  - >-
    Linux >= d1e7ffe50ba588ddf7de520990815c37f31776d8 <
    babb146ceb79e71f328788f1e2c8c7c224026e61
  - >-
    Linux >= d1e7ffe50ba588ddf7de520990815c37f31776d8 <
    21a73528579fcbd673b668bd27a05b658123bc1b
  - >-
    Linux >= d1e7ffe50ba588ddf7de520990815c37f31776d8 <
    96b2b616870e46e2bc04efec03879683a0036e66
  - Linux 4.3
published: '2026-09-24'
updated: '2026-10-03'
sourceUpdated: '2026-10-03T11:17:56.417'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97448'
references:
  - url: 'https://git.kernel.org/stable/c/087eed8b347e14864f8806fa1f5976c7dc2c6792'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/21a73528579fcbd673b668bd27a05b658123bc1b'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/26dd27000e9540fcb594f15010b0696b03b0d240'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70'
    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/b06bb9b82c8f9a522dde213b1e0ddd535f22e3a2'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/babb146ceb79e71f328788f1e2c8c7c224026e61'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97448.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-97448'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2540390'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-97448'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97448'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97448.mbox
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00138
epssPercentile: 0.03137
scores:
  nvd: 7.7
  vendor: 5.5
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.

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97448.json)