Description (CNA)
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().
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 before 2c8211eef98929c5188f8c2224e83b9a63b41bd1; affected 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 before 06fa13c53442257b94ea1519555ceddaaea57e0d; affected 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 before 20ebd7f4e35c0a737f011bc83aeb0cdd37507648; affected 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 before e462b47b9637b8c0285f4a38b5af9a322847d164; affected 4ac4e086fd8c59e6b69089e6f7605500b63a6d17 before 4daa9ca557b4b98ae1ad38a6d1deaa3e31eb8edf |
| Linux / Linux | affected 4.5; unaffected 0 before 4.5; unaffected 6.6.160 through 6.6.*; unaffected 6.12.113 through 6.12.*; unaffected 6.18.56 through 6.18.*; unaffected 7.2.10 through 7.2.*; unaffected 7.3 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/2c8211eef98929c5188f8c2224e83b9a63b41bd1
- https://git.kernel.org/stable/c/06fa13c53442257b94ea1519555ceddaaea57e0d
- https://git.kernel.org/stable/c/20ebd7f4e35c0a737f011bc83aeb0cdd37507648
- https://git.kernel.org/stable/c/e462b47b9637b8c0285f4a38b5af9a322847d164
- https://git.kernel.org/stable/c/4daa9ca557b4b98ae1ad38a6d1deaa3e31eb8edf