CVE-2026-98657
Description
In the Linux kernel, the following vulnerability has been resolved: iio: proximity: pulsedlight: fix iio_device left registered on PM setup failure pm_runtime_set_active() failing in probe() jumps to error_unreg_buffer, which only calls iio_triggered_buffer_cleanup() -- it does not undo the iio_device_register() that already succeeded a few lines above. probe() then returns the error, the devm-managed indio_dev is freed, but the iio core still has it registered: the sysfs/chardev nodes stay live and point at freed memory. Add an error_unreg_dev label that unregisters the iio device before falling through to the existing buffer cleanup, mirroring the teardown order already used in lidar_remove().
How to fix
- Linux Linux93ecee9ff3af4c2b482fdd4ec98c3308e8dd23a6, 58e68e5272a319fff4a704df1ac41e9e3c69587c, 4a564e39cb99234e8c5b0a39aa30edcc8cf4cf1b, 2c8211eef98929c5188f8c2224e83b9a63b41bd1, 06fa13c53442257b94ea1519555ceddaaea57e0d, 20ebd7f4e35c0a737f011bc83aeb0cdd37507648, e462b47b9637b8c0285f4a38b5af9a322847d164, 4daa9ca557b4b98ae1ad38a6d1deaa3e31eb8edf or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 ≤ v < 93ecee9ff3af4c2b482fdd4ec98c3308e8dd23a6, 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 ≤ v < 58e68e5272a319fff4a704df1ac41e9e3c69587c, 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 ≤ v < 4a564e39cb99234e8c5b0a39aa30edcc8cf4cf1b, 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 ≤ v < 2c8211eef98929c5188f8c2224e83b9a63b41bd1, 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 ≤ v < 06fa13c53442257b94ea1519555ceddaaea57e0d, 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 ≤ v < 20ebd7f4e35c0a737f011bc83aeb0cdd37507648, 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 ≤ v < e462b47b9637b8c0285f4a38b5af9a322847d164, 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 ≤ v < 4daa9ca557b4b98ae1ad38a6d1deaa3e31eb8edf, 4.5 | 93ecee9ff3af4c2b482fdd4ec98c3308e8dd23a6, 58e68e5272a319fff4a704df1ac41e9e3c69587c, 4a564e39cb99234e8c5b0a39aa30edcc8cf4cf1b, 2c8211eef98929c5188f8c2224e83b9a63b41bd1, 06fa13c53442257b94ea1519555ceddaaea57e0d, 20ebd7f4e35c0a737f011bc83aeb0cdd37507648, e462b47b9637b8c0285f4a38b5af9a322847d164, 4daa9ca557b4b98ae1ad38a6d1deaa3e31eb8edf |
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