Linux Kernel Vulnerability in Intel QuickI2C ACPI Methods

CVE-2025-39809

What is CVE-2025-39809?

A vulnerability within the Intel QuickI2C ACPI methods in the Linux kernel can lead to stack out-of-bounds issues, resulting in kernel crashes. This occurs when the methods return ICRS and ISUB data with incorrect lengths, causing buffer overflows that may compromise system stability. Affected systems should be patched to mitigate the risks associated with this bug, which can lead to unpredictable behavior and potential data loss.

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