# nfc: port100: reject frames whose declared length exceeds the received data

CVE record · `CVE-2026-98481`

- **Identifiers:** `CVE-2026-98481`
- **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:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:15 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: `562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06 to before 0d482995f0cdd0302450aa300c684c642d8ab31f` (git)
  - affected: `562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06 to before 9e8df087826b9999d1b83b06f5d85675d5a69c9e` (git)
  - affected: `562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06 to before db66a30588630c7de30ef033f00daddef69f6ad9` (git)
  - affected: `562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06 to before 144ad477c381e2c592b64898d04ab4ce03b32861` (git)
  - affected: `562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06 to before e4da1452e10c6472a4bac48dc2f6a35fff1fcd69` (git)
  - affected: `562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06 to before 14b1467cfc6630583650f33538174c5a1ec685ab` (git)
  - affected: `562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06 to before 035056e07ea65be670284246d9bc62f2f00ff4a3` (git)
  - affected: `562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06 to before 092c6a605cbd6414ef499834c2e0da69c2c3388e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.13`
  - unaffected: `before 3.13` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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:** 0.0022, the 12th percentile, on 8 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-2026-98481](https://www.cve.org/CVERecord?id=CVE-2026-98481)
- [NVD: CVE-2026-98481](https://nvd.nist.gov/vuln/detail/CVE-2026-98481)

### References from the CNA

- <https://git.kernel.org/stable/c/0d482995f0cdd0302450aa300c684c642d8ab31f>
- <https://git.kernel.org/stable/c/9e8df087826b9999d1b83b06f5d85675d5a69c9e>
- <https://git.kernel.org/stable/c/db66a30588630c7de30ef033f00daddef69f6ad9>
- <https://git.kernel.org/stable/c/144ad477c381e2c592b64898d04ab4ce03b32861>
- <https://git.kernel.org/stable/c/e4da1452e10c6472a4bac48dc2f6a35fff1fcd69>
- <https://git.kernel.org/stable/c/14b1467cfc6630583650f33538174c5a1ec685ab>
- <https://git.kernel.org/stable/c/035056e07ea65be670284246d9bc62f2f00ff4a3>
- <https://git.kernel.org/stable/c/092c6a605cbd6414ef499834c2e0da69c2c3388e>

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-2026-98481>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98481/>. Everything for agents: <https://agentprime.io/llms.txt>.