CVE-2026-99069 is a vulnerability in Linux Kernel
Published on October 23, 2026
Input: ati_remote2 - fix type confusion in device attribute handlers
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.
Products Associated with CVE-2026-99069
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Affected Versions
Linux:- Version b20d6bf8014b2d6fcf65c150453d95a6276fd1fa and below e44ec6b6d3c0b8ea089b589fa0cce49a4da66b89 is affected.
- Version b20d6bf8014b2d6fcf65c150453d95a6276fd1fa and below d738e51bf2c21921df351f536147178ae3cbd38b is affected.
- Version b20d6bf8014b2d6fcf65c150453d95a6276fd1fa and below 2caae9d1977beea0a7914b3d86639262801fd116 is affected.
- Version b20d6bf8014b2d6fcf65c150453d95a6276fd1fa and below f321cc430c49b6c1be0d53f2ef19d8342d8029cc is affected.
- Version 6.11 is affected.
- Before 6.11 is unaffected.
- Version 6.12.113, <= 6.12.* is unaffected.
- Version 6.18.57, <= 6.18.* is unaffected.
- Version 7.2.11, <= 7.2.* is unaffected.
- Version 7.3, <= * is unaffected.