CVE-2026-98662

/// Technical description

In the Linux kernel, the following vulnerability has been resolved:

iio: light: gp2ap020a00f: drain irq_work after free_irq

The threaded IRQ handler queues data->work through irq_work_queue() so

the trigger is polled from a per-CPU context. free_irq() does not flush

an irq_work the handler already queued, so after gp2ap020a00f_remove()

returns that work may still run and call iio_trigger_poll() on data->trig,

which the devm cleanup has already freed, causing a use-after-free.

Add irq_work_sync(&data->work) after free_irq() in remove() and in the

probe error path, mirroring commit 78601726d4a5 ("iio: trigger: sysfs:

fix use-after-free on remove").

Found by an in-house static analysis tool, confirmed by manual review.

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References