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CVE-2026-80771 Details

Description

In the Linux kernel, the following vulnerability has been resolved: HID: nintendo: register input device after capabilities are set input_register_device() exposes the device to userspace immediately. In joycon_input_create() it was called before joycon_config_rumble() configures the FF_RUMBLE capability and the memless force-feedback device, so a concurrent EVIOCSFF could dereference a NULL dev->ff. Registering early also means the initial udev event lacks button and axis information, which can make input managers ignore the device. Move input_register_device() to the end of joycon_input_create(), after all capabilities, the IMU input device and the force-feedback callbacks have been configured.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/268679f501386ad46405d42c2bcf89384cb5e256	kernel.org
https://git.kernel.org/stable/c/27dc4b8eadac73b3c3cc526c8547d8b4ae8528be	kernel.org
https://git.kernel.org/stable/c/3288bec1a21d582b504344380139cdc0e88ebe4d	kernel.org
https://git.kernel.org/stable/c/a9fc7547f911ada09da33c5e204e5acda38e765a	kernel.org
https://git.kernel.org/stable/c/d723bc1fe2e72b9252234e94c11af644ec477bf7	kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes