# of/overlay: only treat a positive changeset id as registered

CVE record · `CVE-2026-98854`

- **Identifiers:** `CVE-2026-98854`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:51 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: `61b4de4e0b384f4a22c55c3bada604da49cec4e1 to before 7af5d66d0514b8f1d759d0e32b9d4c5d26263e4a` (git)
  - affected: `61b4de4e0b384f4a22c55c3bada604da49cec4e1 to before 71065f3d6864a101b77e7af84566757c4df415a0` (git)
  - affected: `61b4de4e0b384f4a22c55c3bada604da49cec4e1 to before cc688475c56d34a2b584141f9544cbe23360080d` (git)
  - affected: `61b4de4e0b384f4a22c55c3bada604da49cec4e1 to before c08a54df9d33dcd6ff089adc9434b2c008af3a39` (git)
  - affected: `61b4de4e0b384f4a22c55c3bada604da49cec4e1 to before 0d1525fdcd3355672b7485d61e55df6824ab5ad1` (git)
  - affected: `61b4de4e0b384f4a22c55c3bada604da49cec4e1 to before c875407c34dadaef0599834ad9c815f4c9f50d15` (git)
  - affected: `61b4de4e0b384f4a22c55c3bada604da49cec4e1 to before 44081d708b5b885487bac792db78324b7b4c267d` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.15`
  - unaffected: `before 4.15` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.56 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.10 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:** 0.0016, the 5th percentile, on 7 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98854](https://www.cve.org/CVERecord?id=CVE-2026-98854)
- [NVD: CVE-2026-98854](https://nvd.nist.gov/vuln/detail/CVE-2026-98854)

### References from the CNA

- <https://git.kernel.org/stable/c/7af5d66d0514b8f1d759d0e32b9d4c5d26263e4a>
- <https://git.kernel.org/stable/c/71065f3d6864a101b77e7af84566757c4df415a0>
- <https://git.kernel.org/stable/c/cc688475c56d34a2b584141f9544cbe23360080d>
- <https://git.kernel.org/stable/c/c08a54df9d33dcd6ff089adc9434b2c008af3a39>
- <https://git.kernel.org/stable/c/0d1525fdcd3355672b7485d61e55df6824ab5ad1>
- <https://git.kernel.org/stable/c/c875407c34dadaef0599834ad9c815f4c9f50d15>
- <https://git.kernel.org/stable/c/44081d708b5b885487bac792db78324b7b4c267d>

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-2026-98854>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98854/>. Everything for agents: <https://agentprime.io/llms.txt>.