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Change History

In the Linux kernel, the following vulnerability has been resolved:

iio: common: st_sensors: Fix use of uninitialize device structs

Throughout the various probe functions &indio_dev->dev is used before it
is initialized. This caused a kernel panic in st_sensors_power_enable()
when the call to devm_regulator_bulk_get_enable() fails and then calls
dev_err_probe() with the uninitialized device.

This seems to only cause a panic with dev_err_probe(), dev_err(),
dev_warn() and dev_info() don't seem to cause a panic, but are fixed
as well.

The issue is reported and traced here: [1]

https://git.kernel.org/stable/c/3297a9016a45144883ec990bd4bd5b1d79cafb46

https://git.kernel.org/stable/c/610615c9668037e3eca11132063b93b2d945af13

https://git.kernel.org/stable/c/9f92e93e257b33e73622640a9205f8642ec16ddd