# HID: picolcd: clamp eeprom debugfs read to bytes actually received

CVE record · `CVE-2026-89628`

- **Identifiers:** `CVE-2026-89628`
- **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:** 19 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: `9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba to before 1a02056c2bf7ef9b5fd05ee6913aeeadb703c443` (git)
  - affected: `9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba to before 65daa322f1021d8206f8032c4cd4c0cb2d26c7c3` (git)
  - affected: `9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba to before 8dc662af019158690c470edd2e2857657f700abb` (git)
  - affected: `9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba to before 4daf432c94a42e7be6aa10b012b33af5ed9bc118` (git)
  - affected: `9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba to before a3e6e8d7198a9f3861861520a38b673684a1062b` (git)
  - affected: `9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba to before 471f4a939c66d1d44aece2321807abf609fc9098` (git)
  - affected: `9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba to before 699a3c8b56e168ca19d12722f3f5ef1d6f4b1d84` (git)
  - affected: `9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba to before e9c667395ac1f8024f623250b32bae4c7af9caa0` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.35`
  - unaffected: `before 2.6.35` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (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:** 0.0022, the 12th 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-2026-89628](https://www.cve.org/CVERecord?id=CVE-2026-89628)
- [NVD: CVE-2026-89628](https://nvd.nist.gov/vuln/detail/CVE-2026-89628)

### References from the CNA

- <https://git.kernel.org/stable/c/1a02056c2bf7ef9b5fd05ee6913aeeadb703c443>
- <https://git.kernel.org/stable/c/65daa322f1021d8206f8032c4cd4c0cb2d26c7c3>
- <https://git.kernel.org/stable/c/8dc662af019158690c470edd2e2857657f700abb>
- <https://git.kernel.org/stable/c/4daf432c94a42e7be6aa10b012b33af5ed9bc118>
- <https://git.kernel.org/stable/c/a3e6e8d7198a9f3861861520a38b673684a1062b>
- <https://git.kernel.org/stable/c/471f4a939c66d1d44aece2321807abf609fc9098>
- <https://git.kernel.org/stable/c/699a3c8b56e168ca19d12722f3f5ef1d6f4b1d84>
- <https://git.kernel.org/stable/c/e9c667395ac1f8024f623250b32bae4c7af9caa0>

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-2026-89628>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89628/>. Everything for agents: <https://agentprime.io/llms.txt>.