CVE-2026-98656None▾ SunlitIn 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 th…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
Last analysed / modified upstream
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.
Linux >= 9020ef659885f2622cfb386cc229b6d618362895 < ac5d26a46c90ff61fd574eff4e8f0d71c905828aLinux >= 9020ef659885f2622cfb386cc229b6d618362895 < cf513df1a2c75566cdc802d9da47f62e8d6cfd18Linux >= 9020ef659885f2622cfb386cc229b6d618362895 < e64703280ce7a23a43c27efebeb7da457c88bf5cLinux >= 9020ef659885f2622cfb386cc229b6d618362895 < 882d0011c59ff8ac15188ec9ce071399ecfa10adLinux >= 9020ef659885f2622cfb386cc229b6d618362895 < 2a57b9246cecd5dd797a42eb310d6c8816f26d9eLinux a18aeac73c0f692ba40964f5f56e182312ae843bLinux 2c5c948451d57596640b20887b06b523d376eb24Linux >= 5.15.17 < 5.16Linux >= 5.16.3 < 5.17Linux 5.17Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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