# cuse: wait for pending RCU callbacks on module exit

CVE record · `CVE-2026-90140`

- **Identifiers:** `CVE-2026-90140`
- **State:** Confirmed
- **Severity:** No CVSS score
- **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: `bfbab62ca69f72bcd14ea30de1fb98f6080ad464 to before 7fe415e1cd8fa875be263670c0ab47109818abb6` (git)
  - affected: `a8f650b93e55764ca9ff8e1ddebc151f57024086 to before 45ae914b2f6ea56fc2f1c017fdee4e995bcb4c0e` (git)
  - affected: `535e9bd0e8f8d8cfdc29de7cdb902b5041427fe6 to before ac5c499413385cea3e0220d6050408d50842891d` (git)
  - affected: `053fc4f755ad43cf35210677bcba798ccdc48d0c to before a1b46aee33d83f14ed62d7fdef1a91d3e0b732a9` (git)
  - affected: `053fc4f755ad43cf35210677bcba798ccdc48d0c to before 389bd349ddbcf90dbd8a4f2a4ab6e552d53df134` (git)
  - affected: `053fc4f755ad43cf35210677bcba798ccdc48d0c to before c40f3f24839f8404325a2099e26c2a04786ae309` (git)
  - affected: `053fc4f755ad43cf35210677bcba798ccdc48d0c to before 4deb3edead0c0e172cc7349e8855d741d3c5e162` (git)
  - affected: `5.15.166 to before 5.15.221` (semver)
  - affected: `6.1.107 to before 6.1.188` (semver)
  - affected: `6.6.48 to before 6.6.157` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.8`
  - unaffected: `before 6.8` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0021, the 11th 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-2026-90140](https://www.cve.org/CVERecord?id=CVE-2026-90140)
- [NVD: CVE-2026-90140](https://nvd.nist.gov/vuln/detail/CVE-2026-90140)

### References from the CNA

- <https://git.kernel.org/stable/c/7fe415e1cd8fa875be263670c0ab47109818abb6>
- <https://git.kernel.org/stable/c/45ae914b2f6ea56fc2f1c017fdee4e995bcb4c0e>
- <https://git.kernel.org/stable/c/ac5c499413385cea3e0220d6050408d50842891d>
- <https://git.kernel.org/stable/c/a1b46aee33d83f14ed62d7fdef1a91d3e0b732a9>
- <https://git.kernel.org/stable/c/389bd349ddbcf90dbd8a4f2a4ab6e552d53df134>
- <https://git.kernel.org/stable/c/c40f3f24839f8404325a2099e26c2a04786ae309>
- <https://git.kernel.org/stable/c/4deb3edead0c0e172cc7349e8855d741d3c5e162>

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-2026-90140>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90140/>. Everything for agents: <https://agentprime.io/llms.txt>.