UNKNOWN NVD
CVE-2026-98656
In the Linux kernel, the following vulnerability has been resolved: iio: trigger: cancel reenable_work before freeing trigger iio_trigger_notify_done_atomic()
In the Linux kernel, the following vulnerability has been resolved:
iio: trigger: cancel reenable_work before freeing trigger
iio_trigger_notify_done_atomic() defers ->reenable() into
trig->reenable_work on the system workqueue, and the worker dereferences
the owning trigger through container_of(). Nothing cancels this work
before iio_trig_release() frees the trigger, so a worker armed by the
last in-flight IRQ can outlive the free and touch freed memory.
Cancel it at the top of iio_trig_release(), which every free path
reaches through the device core's final put_device().
Found by an in-house static analysis tool.
References
- https://git.kernel.org/stable/c/2a57b9246cecd5dd797a42eb310d6c8816f26d9e
- https://git.kernel.org/stable/c/882d0011c59ff8ac15188ec9ce071399ecfa10ad
- https://git.kernel.org/stable/c/cf513df1a2c75566cdc802d9da47f62e8d6cfd18
- https://git.kernel.org/stable/c/e64703280ce7a23a43c27efebeb7da457c88bf5c
This unknown severity vulnerability was published on 2026-10-18 via NVD.
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