CVE-2026-23443

kernel: ACPI: processor: Fix previous acpi_processor_errata_piix4() fix

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · April 3, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's ACPI (Advanced Configuration and Power Interface) processor errata handling. This vulnerability occurs when device pointers are dereferenced after their corresponding device objects have been freed. This can lead to a use-after-free condition, potentially resulting in system instability or a denial of service.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE not specified