CVE-2026-45982: ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()
Published May 27, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
ACPICA: Fix NULL pointer dereference in acpievaddressspacedispatch()
Cover a missed execution path with a new check.
Affected Software
6 affected components
ACPICA ACPICA
Linux Linux kernel>=5.17<6.1.165
Linux Linux kernel>=6.2<6.6.128
Linux Linux kernel>=6.7<6.12.75
Linux Linux kernel>=6.13<6.18.14
Linux Linux kernel>=6.19<6.19.4
Remediation
Event History
May 27, 2026
CVE Published
via MITRE·12:18 PM
Data Sourced
via MITRE·12:18 PM
Description
Data Sourced
via NVD·02:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-45982?
The severity of CVE-2026-45982 is medium with a CVSS score of 5.5.
2
What vulnerability does CVE-2026-45982 address?
CVE-2026-45982 addresses a NULL pointer dereference in acpi_ev_address_space_dispatch() in the Linux kernel.
3
How do I fix CVE-2026-45982?
To fix CVE-2026-45982, apply the patch available for the vulnerability in the affected software.
4
Which software is impacted by CVE-2026-45982?
CVE-2026-45982 impacts the Linux kernel and the ACPICA project.
5
What type of vulnerability is CVE-2026-45982 categorized under?
CVE-2026-45982 is categorized under CWE-790, which denotes a Null Pointer Dereference.