CVE-2024-46822 arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry

Api.Msrc.Microsoft • February 21, 2026

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Multiple ACPI Vulnerabilities Disclosed Affecting System Stability Three vulnerabilities related to ACPI have been disclosed, affecting system stability and functionality. CVE-2024-46822 addresses a missing CPU entry in the get_cpu_for_acpi_id() function, while CVE-2024-49860 and CVE-2024-49962 focus on return type validation and null return checks in ACPI methods. These vulnerabilities could potentially lead to system malfunctions or crashes. 4 sources 41

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