# lockd: pin next file across nlm_inspect_file lock-drop

CVE record · `CVE-2026-89485`

- **Identifiers:** `CVE-2026-89485`
- **State:** Confirmed
- **Severity:** CVSS 9.8 Critical
- **Critical:** Yes: CVSS 9+
- **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, 19:43 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.

## Critical

Critical, because:

- CVSS score 9.8: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `01df9c5e918ae5559f2d96da0143f8bfbb9e6171 to before e3c413f789eaf0170275c7eba523ead73d963f30` (git)
  - affected: `01df9c5e918ae5559f2d96da0143f8bfbb9e6171 to before 08a455f87b14c7ff22ae3fdadda62a796a3a5572` (git)
  - affected: `01df9c5e918ae5559f2d96da0143f8bfbb9e6171 to before 550c19222c7132c888e23c9d89079ba1c9bc4cca` (git)
  - affected: `01df9c5e918ae5559f2d96da0143f8bfbb9e6171 to before 350087f231c11efcd288c310707c40eab63ca583` (git)
  - affected: `01df9c5e918ae5559f2d96da0143f8bfbb9e6171 to before c24bdb7df2f34bdc38ca8a73796f5acb40f1830c` (git)
  - affected: `01df9c5e918ae5559f2d96da0143f8bfbb9e6171 to before 41f0a6d31615fcae261bf28a0aa50050dc93a401` (git)
  - affected: `01df9c5e918ae5559f2d96da0143f8bfbb9e6171 to before e999a88133654c6dfc68487fb49da5f20dfa2d4f` (git)
  - affected: `01df9c5e918ae5559f2d96da0143f8bfbb9e6171 to before 526c49cff3f72c3ec74752016380c7567040581b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.18`
  - unaffected: `before 2.6.18` (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

- 9.8 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0071, the 54th 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-2026-89485](https://www.cve.org/CVERecord?id=CVE-2026-89485)
- [NVD: CVE-2026-89485](https://nvd.nist.gov/vuln/detail/CVE-2026-89485)

### References from the CNA

- <https://git.kernel.org/stable/c/e3c413f789eaf0170275c7eba523ead73d963f30>
- <https://git.kernel.org/stable/c/08a455f87b14c7ff22ae3fdadda62a796a3a5572>
- <https://git.kernel.org/stable/c/550c19222c7132c888e23c9d89079ba1c9bc4cca>
- <https://git.kernel.org/stable/c/350087f231c11efcd288c310707c40eab63ca583>
- <https://git.kernel.org/stable/c/c24bdb7df2f34bdc38ca8a73796f5acb40f1830c>
- <https://git.kernel.org/stable/c/41f0a6d31615fcae261bf28a0aa50050dc93a401>
- <https://git.kernel.org/stable/c/e999a88133654c6dfc68487fb49da5f20dfa2d4f>
- <https://git.kernel.org/stable/c/526c49cff3f72c3ec74752016380c7567040581b>

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-2026-89485>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89485/>. Everything for agents: <https://agentprime.io/llms.txt>.