CVE-2026-45982

Analyzed Analyzed - Analysis Complete

NULL Pointer Dereference in Linux Kernel ACPICA

Publication date: 2026-05-27

Last updated on: 2026-06-16

Assigner: kernel.org

Description

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-27

Last Modified

2026-06-16

Generated

2026-07-06

AI Q&A

2026-05-27

EPSS Evaluated

2026-07-05

NVD

CVE-2026-45982

EUVD

EUVD-2026-32267

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 6.13 (inc) to 6.18.14 (exc)
linux	linux_kernel	From 6.19 (inc) to 6.19.4 (exc)
linux	linux_kernel	From 6.2 (inc) to 6.6.128 (exc)
linux	linux_kernel	From 6.7 (inc) to 6.12.75 (exc)
linux	linux_kernel	From 5.17 (inc) to 6.1.165 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability is a NULL pointer dereference in the Linux kernel's ACPICA component, specifically in the function acpi_ev_address_space_dispatch().

It occurs because a missed execution path lacked a necessary check, which could cause the kernel to attempt to access memory through a NULL pointer.

Impact Analysis

A NULL pointer dereference in the kernel can lead to a system crash or denial of service, as the kernel may panic or become unstable when trying to access invalid memory.

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