Bug 2481975 (CVE-2026-45982)

Summary: CVE-2026-45982 kernel: ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the Linux kernel. A NULL pointer dereference in the `acpi_ev_address_space_dispatch()` function could allow a local attacker to cause a denial of service (DoS) by triggering a missed execution path. This vulnerability arises from an incomplete check in the Advanced Configuration and Power Interface (ACPI) component.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-05-27 15:05:09 UTC
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.