# nfsd: validate nseconds in TIME_DELEG decode paths

CVE record · `CVE-2026-89701`

- **Identifiers:** `CVE-2026-89701`
- **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: `6ae30d6eb26bce02c48c60074b4306270e2434c1 to before 7e7b93da7fa2e77f977096251899d1410986adf6` (git)
  - affected: `6ae30d6eb26bce02c48c60074b4306270e2434c1 to before 5eb489831a9fd4754f4baf26e6989efb66ce104c` (git)
  - affected: `6ae30d6eb26bce02c48c60074b4306270e2434c1 to before 0f4a767340fad392bd656115b8752005518c9065` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.14`
  - unaffected: `before 6.14` (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 10th 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-2026-89701](https://www.cve.org/CVERecord?id=CVE-2026-89701)
- [NVD: CVE-2026-89701](https://nvd.nist.gov/vuln/detail/CVE-2026-89701)

### References from the CNA

- <https://git.kernel.org/stable/c/7e7b93da7fa2e77f977096251899d1410986adf6>
- <https://git.kernel.org/stable/c/5eb489831a9fd4754f4baf26e6989efb66ce104c>
- <https://git.kernel.org/stable/c/0f4a767340fad392bd656115b8752005518c9065>

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-2026-89701>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89701/>. Everything for agents: <https://agentprime.io/llms.txt>.