# NFSv4.1: fix layout segment leak on the pnfs_layout_process() forget path

CVE record · `CVE-2026-89710`

- **Identifiers:** `CVE-2026-89710`
- **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, 19:46 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: `fb700ef026766c95578aafc0db1b208946e7ad4f to before f52188118d319b47d49ee91a897f6afda4879c59` (git)
  - affected: `fb700ef026766c95578aafc0db1b208946e7ad4f to before ad3e41855325e55623276660ef20fbc3b8ba087f` (git)
  - affected: `fb700ef026766c95578aafc0db1b208946e7ad4f to before a080bb69d30f11738d753a60d1eb733d627c2093` (git)
  - affected: `fb700ef026766c95578aafc0db1b208946e7ad4f to before 7c5b0e813efd9124760d5fd1bfc6b229f03fb1a2` (git)
  - affected: `fb700ef026766c95578aafc0db1b208946e7ad4f to before 36e3f13bf0728f4ce11ee8904cec82a783222f62` (git)
  - affected: `fb700ef026766c95578aafc0db1b208946e7ad4f to before 32ac1b0b7f1cfa0d1a1faf9c72f4154046101070` (git)
  - affected: `fb700ef026766c95578aafc0db1b208946e7ad4f to before ee5a386cfe60f3f8286de16a9db8e1a08f0bc124` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.13`
  - unaffected: `before 5.13` (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:** 0.0017, the 6th 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-2026-89710](https://www.cve.org/CVERecord?id=CVE-2026-89710)
- [NVD: CVE-2026-89710](https://nvd.nist.gov/vuln/detail/CVE-2026-89710)

### References from the CNA

- <https://git.kernel.org/stable/c/f52188118d319b47d49ee91a897f6afda4879c59>
- <https://git.kernel.org/stable/c/ad3e41855325e55623276660ef20fbc3b8ba087f>
- <https://git.kernel.org/stable/c/a080bb69d30f11738d753a60d1eb733d627c2093>
- <https://git.kernel.org/stable/c/7c5b0e813efd9124760d5fd1bfc6b229f03fb1a2>
- <https://git.kernel.org/stable/c/36e3f13bf0728f4ce11ee8904cec82a783222f62>
- <https://git.kernel.org/stable/c/32ac1b0b7f1cfa0d1a1faf9c72f4154046101070>
- <https://git.kernel.org/stable/c/ee5a386cfe60f3f8286de16a9db8e1a08f0bc124>

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-2026-89710>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89710/>. Everything for agents: <https://agentprime.io/llms.txt>.