CVE-2026-99069
Description
In the Linux kernel, the following vulnerability has been resolved: Input: ati_remote2 - fix type confusion in device attribute handlers Previously, the channel_mask and mode_mask attributes were registered on the parent usb_device via sysfs_create_group(). When commit b20d6bf8014b ("Input: ati-remote2 - use driver core to instantiate device attributes") converted the driver to let the driver core manage them via dev_groups in struct usb_driver, the attributes moved to the bound usb_interface devices, but the show and store callbacks were not updated accordingly. As a result, the callbacks still invoked to_usb_device() on a device pointer belonging to a struct usb_interface, producing an invalid usb_device pointer. Use to_usb_interface() directly in the attribute handlers to obtain the interface and its driver data.
How to fix
- Linux Linuxe44ec6b6d3c0b8ea089b589fa0cce49a4da66b89, d738e51bf2c21921df351f536147178ae3cbd38b, 2caae9d1977beea0a7914b3d86639262801fd116, f321cc430c49b6c1be0d53f2ef19d8342d8029cc or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | b20d6bf8014b2d6fcf65c150453d95a6276fd1fa ≤ v < e44ec6b6d3c0b8ea089b589fa0cce49a4da66b89, b20d6bf8014b2d6fcf65c150453d95a6276fd1fa ≤ v < d738e51bf2c21921df351f536147178ae3cbd38b, b20d6bf8014b2d6fcf65c150453d95a6276fd1fa ≤ v < 2caae9d1977beea0a7914b3d86639262801fd116, b20d6bf8014b2d6fcf65c150453d95a6276fd1fa ≤ v < f321cc430c49b6c1be0d53f2ef19d8342d8029cc, 6.11 | e44ec6b6d3c0b8ea089b589fa0cce49a4da66b89, d738e51bf2c21921df351f536147178ae3cbd38b, 2caae9d1977beea0a7914b3d86639262801fd116, f321cc430c49b6c1be0d53f2ef19d8342d8029cc |
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