---
id: CVE-2026-45982
title: 'ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()

  Cover a missed execution path with a new check.
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 <
    7d99cbe717c1b15a66559215df32312d8cf7e525
  - >-
    Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 <
    f2cf475d23b8486dfa414f7ac09f918ffd3c32a5
  - >-
    Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 <
    cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97
  - >-
    Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 <
    b24595b86920911d2b04f862422b896a0620e9ad
  - >-
    Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 <
    56024dbe8c76cff22f53ba81a95d9efd4d0c9c44
  - >-
    Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 <
    f851e03bce968ff9b3faad1b616062e1244fd38d
  - Linux 5.17
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T16:03:53.438548Z'
published: '2026-05-27'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T16:13:29.947Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-45982'
references:
  - url: 'https://git.kernel.org/stable/c/7d99cbe717c1b15a66559215df32312d8cf7e525'
  - url: 'https://git.kernel.org/stable/c/f2cf475d23b8486dfa414f7ac09f918ffd3c32a5'
  - url: 'https://git.kernel.org/stable/c/cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97'
  - url: 'https://git.kernel.org/stable/c/b24595b86920911d2b04f862422b896a0620e9ad'
  - url: 'https://git.kernel.org/stable/c/56024dbe8c76cff22f53ba81a95d9efd4d0c9c44'
  - url: 'https://git.kernel.org/stable/c/f851e03bce968ff9b3faad1b616062e1244fd38d'
tags:
  - cve.org
epss: 0.0013
epssPercentile: 0.0265
ingestedAt: '2026-11-06T16:57:43.355Z'
---

## Overview

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

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()

Cover a missed execution path with a new check.

## Affected

- `Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 < 7d99cbe717c1b15a66559215df32312d8cf7e525`
- `Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 < f2cf475d23b8486dfa414f7ac09f918ffd3c32a5`
- `Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 < cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97`
- `Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 < b24595b86920911d2b04f862422b896a0620e9ad`
- `Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 < 56024dbe8c76cff22f53ba81a95d9efd4d0c9c44`
- `Linux >= 0acf24ad7e10f547809faefb8069f8f5482eb4d9 < f851e03bce968ff9b3faad1b616062e1244fd38d`
- `Linux 5.17`

## Remediation

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