CVE-2026-45982
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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.
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Meta Information
Published
2026-05-27
Last Modified
2026-06-16
Generated
2026-06-16
AI Q&A
2026-05-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-45982
EUVD
EUVD-2026-32267
Affected Vendors & Products
Showing 5 associated CPEs
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
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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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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