UNKNOWN NVD
CVE-2026-98670
In the Linux kernel, the following vulnerability has been resolved: iio: adc: xilinx-xadc: free IRQ before cancelling the unmask worker on unbind The ZYNQ XAD
In the Linux kernel, the following vulnerability has been resolved:
iio: adc: xilinx-xadc: free IRQ before cancelling the unmask worker on unbind
The ZYNQ XADC alarm IRQ handler queues zynq_unmask_work via
schedule_delayed_work(); that work is cleared by a devm callback.
Register the devm callback before devm_request_irq() so the devres LIFO
teardown frees the IRQ first, ensuring the handler can no longer queue
work by the time the workqueue is cleared. Otherwise the handler could
re-arm the work and run it after the xadc structure has been freed.
This issue was found by an in-house static analysis tool.
References
- https://git.kernel.org/stable/c/0f3f427076240e75ff265e61645627a71ca4918c
- https://git.kernel.org/stable/c/49ea8a359e362bfbb32a647c8eb7962fbb37234e
- https://git.kernel.org/stable/c/a29d385ad7b340c952a3935af2b33488db1eb3a6
- https://git.kernel.org/stable/c/a5fe2d1b55faba6d00fd87ad491b6cb603046304
This unknown severity vulnerability was published on 2026-10-18 via NVD.
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