In the Linux kernel, the following vulnerability has been resolved:
power: supply: bq25890: Fix power_supply reference leak
bq25890_fw_probe() acquires a reference to a secondary charger using
power_supply_get_by_name(), but the reference is not released on later
probe failures or on driver detach. In particular, failures after bq25890_fw_probe() returns successfully,
such as a failure in bq25890_hw_init(), also leak the reference. Register a device-managed cleanup action immediately after acquiring
the secondary charger.
This releases the reference on all subsequent probe failures and on driver detach. Found by code review.
References 5
https://git.kernel.org/stable/c/238320ad029a3eedabb86286a28cab55bca629b9
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/58f1025eca92734eadc063715b98f62538286468
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/81b558afda9321c1a70971a39071d156f3e26950
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/863c32a83e4235eb0cbf6106f2b124e645302156
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/976c10d883a02968f3f58be0cee499d1fd2ba68a
416baaa9-dc9f-4396-8d5f-8c081fb06d67