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CVE-2021-47120

MEDIUM CVSS: 5.5 Published: 2024-03-15 Modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: fix NULL-deref on disconnect Commit 9d7b18668956 ("HID: magicmouse: add support for Apple Magic Trackpad 2") added a sanity check for an Apple trackpad but returned success instead of -ENODEV when the check failed. This means that the remove callback will dereference the never-initialised driver data pointer when the driver is later unbound (e.g. on USB disconnect).

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-476

References