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
2024-07-05 09:14:11 +02:00
2024-07-05 09:14:11 +02:00
2024-04-10 16:19:24 +02:00
2024-06-16 13:40:01 +02:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
S
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