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Change History

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

iio: core: fix ioctl handlers removal

Currently ioctl handlers are removed twice. For the first time during
iio_device_unregister() then later on inside
iio_device_unregister_eventset() and iio_buffers_free_sysfs_and_mask().
Double free leads to kernel panic.

Fix this by not touching ioctl handlers list directly but rather
letting code responsible for registration call the matching cleanup
routine itself.

Linux https://git.kernel.org/stable/c/11e1cae5da4096552f7c091476cbadbc0d1817da [No types assigned]

Linux https://git.kernel.org/stable/c/901f84de0e16bde10a72d7eb2f2eb73fcde8fa1a [No types assigned]

Linux https://git.kernel.org/stable/c/ab6c935ba3a04317632f3b8b68675bdbaf395303 [No types assigned]