# NFS: Pin the 'struct nfs_server' during a FREE_STATEID call

CVE record · `CVE-2026-74730`

- **Identifiers:** `CVE-2026-74730`
- **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:** 22 Aug 2026
- **Updated:** 16 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 22 Aug 2026, 15:33 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: `7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 to before ed2f92ce2fc48463c41e0e540b9a3454889e8af8` (git)
  - affected: `7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 to before d858ab09e787106432d4d9830bad9dfedf02f890` (git)
  - affected: `7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 to before af62f1af182d33a0de38308c012841885d8ab92e` (git)
  - affected: `7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 to before caee6a68ffaa5016dfc01cd0b3dc1896a32e3abd` (git)
  - affected: `7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 to before ed1161ab6239761958b38d5667225634fc2be894` (git)
  - affected: `7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 to before d71dfffa512e71b166a889484e4c3b148a9a3af2` (git)
  - affected: `7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 to before 80ed3d762628b36c9e4b22fac7c65b72ef3b13dd` (git)
  - affected: `7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 to before cf616096a0f3a2b60f7d68b6b39674a6867ded9c` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.10`
  - unaffected: `before 3.10` (semver)
  - unaffected: `5.10.265 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.216 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.183 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.152 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.104 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.45 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1.9 to 7.1.*, inclusive` (semver)
  - unaffected: `7.2 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:** 0.0051, the 44th percentile, on 15 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 22 Aug 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-74730](https://www.cve.org/CVERecord?id=CVE-2026-74730)
- [NVD: CVE-2026-74730](https://nvd.nist.gov/vuln/detail/CVE-2026-74730)

### References from the CNA

- <https://git.kernel.org/stable/c/ed2f92ce2fc48463c41e0e540b9a3454889e8af8>
- <https://git.kernel.org/stable/c/d858ab09e787106432d4d9830bad9dfedf02f890>
- <https://git.kernel.org/stable/c/af62f1af182d33a0de38308c012841885d8ab92e>
- <https://git.kernel.org/stable/c/caee6a68ffaa5016dfc01cd0b3dc1896a32e3abd>
- <https://git.kernel.org/stable/c/ed1161ab6239761958b38d5667225634fc2be894>
- <https://git.kernel.org/stable/c/d71dfffa512e71b166a889484e4c3b148a9a3af2>
- <https://git.kernel.org/stable/c/80ed3d762628b36c9e4b22fac7c65b72ef3b13dd>
- <https://git.kernel.org/stable/c/cf616096a0f3a2b60f7d68b6b39674a6867ded9c>

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-2026-74730>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-74730/>. Everything for agents: <https://agentprime.io/llms.txt>.