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

HID: lg-g15: cancel pending work on remove to fix a use-after-free

lg_g15_data is allocated with devm and holds a work item. The report
handlers schedule that work straight from device input.
lg_g15_event() and lg_g15_v2_event() do it on the backlight cycle key,
and lg_g510_leds_event() does it too. The worker dereferences the
lg_g15_data back through container_of.

The driver had no remove callback and never cancelled the work. So if a
report scheduled the work and the keyboard was then unplugged, devres
freed lg_g15_data while the work was still pending or running, and the
worker touched freed memory. This is a use-after-free. It is reachable
as a race on device unplug.

Add a remove callback that cancels the work before devres frees the
state. g15->work is only initialized for the models that schedule it
(G15, G15 v2, G510). The G13 and Z-10 leave it zeroed, so guard the
cancel on g15->work.func to avoid cancelling a work that was never set
up. The g15 NULL test mirrors the one already in lg_g15_raw_event().

https://git.kernel.org/stable/c/33cd1a000daf929356aacf2b191d31714ff0615e

https://git.kernel.org/stable/c/3b9a3919aac6977262f04d5365c0456877522a44

https://git.kernel.org/stable/c/4aef9676c26dff8723b56834951cfc6b618f0986

https://git.kernel.org/stable/c/4d0d51bc12d246accbfbb94de05d729c68c9b8fb

https://git.kernel.org/stable/c/7705b4140d188ce22656f6e541ae7ef834c7e11a

https://git.kernel.org/stable/c/8131f4226688c4be5f30874d167e44dab838eb09

https://git.kernel.org/stable/c/acce9dee807f21184fff19ad17c8ed464247e7f7

https://git.kernel.org/stable/c/dfc6e61f83113cc18346b6988f07271c0063357d

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