In the Linux kernel, the following vulnerability has been resolved: rpmsg: Fix possible refcount leak in rpmsg_register_device_override() rpmsg_register_device_override need to call put_device to free vch when driver_set_override fails. Fix this by adding a put_device() to the error path.
https://git.kernel.org/stable/c/d7bd416d35121c95fe47330e09a5c04adbc5f928
https://git.kernel.org/stable/c/d4c8bf5635c4bedaf2470761ced1f502b2d5434e
https://git.kernel.org/stable/c/c449b28e437d18ae807479c4ac6b69d87b287c79
https://git.kernel.org/stable/c/c29335612ff44df979678a38e1f55c62004f421c
https://git.kernel.org/stable/c/3fdd5b2bb09fc2b5bf3504778f51c89bb48c097f
https://git.kernel.org/stable/c/280ae5a028ef5d14ef9277746a3026a30aaebe4f
https://git.kernel.org/stable/c/01e6885b75e25a2dd0726455ef18ef9ce5e7dc87