Files
linux-stable-mirror/drivers/bluetooth
Johan Hovold 62d5550ab6 Bluetooth: qca: fix info leak when fetching fw build id
[ Upstream commit cda0d6a198 ]

Add the missing sanity checks and move the 255-byte build-id buffer off
the stack to avoid leaking stack data through debugfs in case the
build-info reply is malformed.

Fixes: c0187b0bd3 ("Bluetooth: btqca: Add support to read FW build version for WCN3991 BTSoC")
Cc: stable@vger.kernel.org	# 5.12
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-07-05 09:14:11 +02:00
..