# nfsd: set SC_STATUS_FREED in nfsd4_drop_revoked_stid for delegations

CVE record · `CVE-2026-89703`

- **Identifiers:** `CVE-2026-89703`
- **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, 19:46 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.

## 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: `8dd91e8d31febf4d9cca3ae1bb4771d33ae7ee5a to before d832a0587528853d45481d1faf75d4b5d062adaf` (git)
  - affected: `8dd91e8d31febf4d9cca3ae1bb4771d33ae7ee5a to before 1e4795766719ffd74b8cf0f2fde4a1350f8326bf` (git)
  - affected: `8dd91e8d31febf4d9cca3ae1bb4771d33ae7ee5a to before a6d89032e5c6620d5bb44582a72555ce07bf1c2e` (git)
  - affected: `8dd91e8d31febf4d9cca3ae1bb4771d33ae7ee5a to before 650d370cfbc66a96dd14d517bd704689b5bda4e5` (git)
  - affected: `967faa26f313a62e7bebc55d5b8122eaee43b929` (git)
  - affected: `6.11.6 to before 6.12` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.12`
  - unaffected: `before 6.12` (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:** 0.0062, the 50th 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-2026-89703](https://www.cve.org/CVERecord?id=CVE-2026-89703)
- [NVD: CVE-2026-89703](https://nvd.nist.gov/vuln/detail/CVE-2026-89703)

### References from the CNA

- <https://git.kernel.org/stable/c/d832a0587528853d45481d1faf75d4b5d062adaf>
- <https://git.kernel.org/stable/c/1e4795766719ffd74b8cf0f2fde4a1350f8326bf>
- <https://git.kernel.org/stable/c/a6d89032e5c6620d5bb44582a72555ce07bf1c2e>
- <https://git.kernel.org/stable/c/650d370cfbc66a96dd14d517bd704689b5bda4e5>

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-2026-89703>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89703/>. Everything for agents: <https://agentprime.io/llms.txt>.
