# NFSv4/pnfs: key the data server cache on the NFS version

CVE record · `CVE-2026-90102`

- **Identifiers:** `CVE-2026-90102`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:06 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: `d67ae825a59d639e4d8b82413af84d854617a87e to before ffb100b0da0e217d5d63ce6fe092f9c29e59f7dd` (git)
  - affected: `d67ae825a59d639e4d8b82413af84d854617a87e to before 02e160922bc83cd25e346a028ed43cbdb0b57e1a` (git)
  - affected: `d67ae825a59d639e4d8b82413af84d854617a87e to before bc7aa9d8aff826031ffe25eba7f2f3acafcbf7a1` (git)
  - affected: `d67ae825a59d639e4d8b82413af84d854617a87e to before dd5bd091daa48c6ed8f9235ddf448aa288a0881f` (git)
  - affected: `d67ae825a59d639e4d8b82413af84d854617a87e to before f2994ba1263d9e88d3d9ae1d097c5cf811d4bfa5` (git)
  - affected: `d67ae825a59d639e4d8b82413af84d854617a87e to before 27f640cd92eebf5c2f64336be7ca24f4636390cb` (git)
  - affected: `d67ae825a59d639e4d8b82413af84d854617a87e to before bbc975cfb07a146843fde1126c43441e76177539` (git)
  - affected: `d67ae825a59d639e4d8b82413af84d854617a87e to before 13c23c5cb977f66390795437fd3837887ce1fd75` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.0`
  - unaffected: `before 4.0` (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: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0070, the 53rd percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90102](https://www.cve.org/CVERecord?id=CVE-2026-90102)
- [NVD: CVE-2026-90102](https://nvd.nist.gov/vuln/detail/CVE-2026-90102)

### References from the CNA

- <https://git.kernel.org/stable/c/ffb100b0da0e217d5d63ce6fe092f9c29e59f7dd>
- <https://git.kernel.org/stable/c/02e160922bc83cd25e346a028ed43cbdb0b57e1a>
- <https://git.kernel.org/stable/c/bc7aa9d8aff826031ffe25eba7f2f3acafcbf7a1>
- <https://git.kernel.org/stable/c/dd5bd091daa48c6ed8f9235ddf448aa288a0881f>
- <https://git.kernel.org/stable/c/f2994ba1263d9e88d3d9ae1d097c5cf811d4bfa5>
- <https://git.kernel.org/stable/c/27f640cd92eebf5c2f64336be7ca24f4636390cb>
- <https://git.kernel.org/stable/c/bbc975cfb07a146843fde1126c43441e76177539>
- <https://git.kernel.org/stable/c/13c23c5cb977f66390795437fd3837887ce1fd75>

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-2026-90102>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90102/>. Everything for agents: <https://agentprime.io/llms.txt>.