# nilfs2: fix BUG in nilfs_copy_dirty_pages() on dirty state mismatch

CVE record · `CVE-2026-90418`

- **Identifiers:** `CVE-2026-90418`
- **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:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:09 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: `8c26c4e2694a163d525976e804d81cd955bbb40c to before 6879c603a8d07af82da83768cc2342a11bd444e5` (git)
  - affected: `8c26c4e2694a163d525976e804d81cd955bbb40c to before 5166a21b12f549774f2983fa86d2526ea9e66ace` (git)
  - affected: `8c26c4e2694a163d525976e804d81cd955bbb40c to before 4e1f21e7540b25d83f86b50780836ed7d2afcc93` (git)
  - affected: `8c26c4e2694a163d525976e804d81cd955bbb40c to before 3904fb0ee741ebbbc27ec8f50a9bb6cd31e8af05` (git)
  - affected: `8c26c4e2694a163d525976e804d81cd955bbb40c to before f181155baf0c93a74ebe804c6cecbe970e78ee9e` (git)
  - affected: `8c26c4e2694a163d525976e804d81cd955bbb40c to before 66f4ad3ce158902e5f98afea93189972ed8750c2` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.10`
  - unaffected: `before 3.10` (semver)
  - unaffected: `6.1.191 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:** 0.0017, the 6th 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-2026-90418](https://www.cve.org/CVERecord?id=CVE-2026-90418)
- [NVD: CVE-2026-90418](https://nvd.nist.gov/vuln/detail/CVE-2026-90418)

### References from the CNA

- <https://git.kernel.org/stable/c/6879c603a8d07af82da83768cc2342a11bd444e5>
- <https://git.kernel.org/stable/c/5166a21b12f549774f2983fa86d2526ea9e66ace>
- <https://git.kernel.org/stable/c/4e1f21e7540b25d83f86b50780836ed7d2afcc93>
- <https://git.kernel.org/stable/c/3904fb0ee741ebbbc27ec8f50a9bb6cd31e8af05>
- <https://git.kernel.org/stable/c/f181155baf0c93a74ebe804c6cecbe970e78ee9e>
- <https://git.kernel.org/stable/c/66f4ad3ce158902e5f98afea93189972ed8750c2>

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-2026-90418>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90418/>. Everything for agents: <https://agentprime.io/llms.txt>.