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Filename Latest commit message Latest commit date
Zhang Lixu 0c1fb475ef HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove()
[ Upstream commit 07583a0010696a17fb0942e0b499a62785c5fc9f ]

The system can experience a random crash a few minutes after the driver is
removed. This issue occurs due to improper handling of memory freeing in
the ishtp_hid_remove() function.

The function currently frees the `driver_data` directly within the loop
that destroys the HID devices, which can lead to accessing freed memory.
Specifically, `hid_destroy_device()` uses `driver_data` when it calls
`hid_ishtp_set_feature()` to power off the sensor, so freeing
`driver_data` beforehand can result in accessing invalid memory.

This patch resolves the issue by storing the `driver_data` in a temporary
variable before calling `hid_destroy_device()`, and then freeing the
`driver_data` after the device is destroyed.

Fixes: 0b28cb4bcb ("HID: intel-ish-hid: ISH HID client driver")
Signed-off-by: Zhang Lixu <lixu.zhang@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-03-13 12:43:29 +01:00
arch x86/cpu: Properly parse CPUID leaf 0x2 TLB descriptor 0x63 2025-03-13 12:43:27 +01:00
block
certs
crypto crypto: testmgr - some more fixes to RSA test vectors 2025-03-13 12:43:21 +01:00
Documentation
drivers HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() 2025-03-13 12:43:29 +01:00
fs
include net: extract port range fields from fl_flow_key 2025-03-13 12:43:23 +01:00
init
ipc
kernel acct: perform last write from workqueue 2025-03-13 12:43:26 +01:00
lib
LICENSES
mm mm/page_alloc: fix uninitialized variable 2025-03-13 12:43:28 +01:00
net wifi: nl80211: reject cooked mode if it is set along with other flags 2025-03-13 12:43:28 +01:00
samples
scripts
security
sound ALSA: hda/realtek: update ALC222 depop optimize 2025-03-13 12:43:27 +01:00
tools
usr
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README

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.