hwmon: (corsair-cpro) Validate the size of the received input buffer

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[ Upstream commit 495a4f0dce ]

Add buffer_recv_size to store the size of the received bytes.
Validate buffer_recv_size in send_usb_cmd().

Reported-by: syzbot+3bbbade4e1a7ab45ca3b@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/linux-hwmon/61233ba1-e5ad-4d7a-ba31-3b5d0adcffcc@roeck-us.net
Fixes: 40c3a44542 ("hwmon: add Corsair Commander Pro driver")
Signed-off-by: Marius Zachmann <mail@mariuszachmann.de>
Link: https://lore.kernel.org/r/20250619132817.39764-5-mail@mariuszachmann.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Marius Zachmann 2025-06-19 15:27:47 +02:00 • committed by Greg Kroah-Hartman

parent 22bff8038e

commit 4eb5cc4839

1 changed files with 5 additions and 0 deletions

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drivers/hwmon/corsair-cpro.c

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