# HID: mcp2221: stop device IO before hid_hw_stop

CVE record · `CVE-2026-89623`

- **Identifiers:** `CVE-2026-89623`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 24 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `d4b50ac06ea6e47bdd2b04e97d1090c673c80645 to before 85d963499f1feeea287c0a37c3eac3fc1898eca9` (git)
  - affected: `73ce9f1f2741a38f5d27393e627702ae2c46e6f2 to before 0ae90a19e6b5a8557d25d95facb7e01c9c07af38` (git)
  - affected: `73ce9f1f2741a38f5d27393e627702ae2c46e6f2 to before c99ba6c234d4d537c317336376b78c088174034a` (git)
  - affected: `73ce9f1f2741a38f5d27393e627702ae2c46e6f2 to before 2eda1513f573945c1e3a0090341f3d28740463b1` (git)
  - affected: `73ce9f1f2741a38f5d27393e627702ae2c46e6f2 to before dca151633c0fde90935311c60e7cfc064aa56134` (git)
  - affected: `6.6.8 to before 6.6.157` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.7`
  - unaffected: `before 6.7` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.109 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0021, the 11th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89623](https://www.cve.org/CVERecord?id=CVE-2026-89623)
- [NVD: CVE-2026-89623](https://nvd.nist.gov/vuln/detail/CVE-2026-89623)

### References from the CNA

- <https://git.kernel.org/stable/c/85d963499f1feeea287c0a37c3eac3fc1898eca9>
- <https://git.kernel.org/stable/c/0ae90a19e6b5a8557d25d95facb7e01c9c07af38>
- <https://git.kernel.org/stable/c/c99ba6c234d4d537c317336376b78c088174034a>
- <https://git.kernel.org/stable/c/2eda1513f573945c1e3a0090341f3d28740463b1>
- <https://git.kernel.org/stable/c/dca151633c0fde90935311c60e7cfc064aa56134>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-89623>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89623/>. Everything for agents: <https://agentprime.io/llms.txt>.