In the Linux kernel, the following vulnerability has been resolved: iio: accel: kionix-kx022a: Prevent memory leak and fix state The driver… (CVE-2026-98680)

The Linux kernel driver for the Kionix KX022A accelerometer allocated memory for samples during the buffer enable path. If a regmap operation failed in the kx022a_fifo_enable() function, the allocated memory was not freed, causing a memory leak. Moreover, the driver did not revert state information or previous hardware configurations on error, which could leave WMI interrupts and buffers enabled or driver state flags in an incorrect state. The vulnerability has been resolved by adding code to free allocated memory and revert hardware configuration and state flags on the error path.

The vulnerability could lead to a memory leak in the kernel driver, which may degrade system stability or performance over time. Incorrect hardware state and driver flags could cause unintended behavior related to interrupts and buffer management. There is no indication of direct code execution or privilege escalation from the provided data.

A fix has been implemented in the Linux kernel driver to free allocated memory and revert hardware state on error. Users should update to the fixed kernel version containing this patch. No additional mitigation steps are indicated.