# netfilter: nfnetlink_queue: hold nfnl mutex in event notifier

CVE record · `CVE-2026-98624`

- **Identifiers:** `CVE-2026-98624`
- **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, 15:19 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: `7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb to before 46432f2e76f7c385d82506304a2928e7d293289f` (git)
  - affected: `7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb to before 597320337c3da06c92a9e95cfc755da66fedc476` (git)
  - affected: `7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb to before 2e9be1302f25c9be51c2fb8c907bc6d8a1050e33` (git)
  - affected: `7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb to before d559e06a5ab7c064100aafd5c826eadd0f1c6216` (git)
  - affected: `7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb to before 1d1184411599a7c2217560bab3bbe641c6d03b95` (git)
  - affected: `7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb to before 07a3ec8fdc5a1267c00cd6fd1cf8bbb5cda913c1` (git)
  - affected: `7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb to before 8137a39e08e838ced234044384740ceeb99ed388` (git)
  - affected: `7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb to before 9461613afc59acef44a0071b0dd5075f6e993ffe` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.14`
  - unaffected: `before 2.6.14` (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:** 0.0018, the 7th 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-2026-98624](https://www.cve.org/CVERecord?id=CVE-2026-98624)
- [NVD: CVE-2026-98624](https://nvd.nist.gov/vuln/detail/CVE-2026-98624)

### References from the CNA

- <https://git.kernel.org/stable/c/46432f2e76f7c385d82506304a2928e7d293289f>
- <https://git.kernel.org/stable/c/597320337c3da06c92a9e95cfc755da66fedc476>
- <https://git.kernel.org/stable/c/2e9be1302f25c9be51c2fb8c907bc6d8a1050e33>
- <https://git.kernel.org/stable/c/d559e06a5ab7c064100aafd5c826eadd0f1c6216>
- <https://git.kernel.org/stable/c/1d1184411599a7c2217560bab3bbe641c6d03b95>
- <https://git.kernel.org/stable/c/07a3ec8fdc5a1267c00cd6fd1cf8bbb5cda913c1>
- <https://git.kernel.org/stable/c/8137a39e08e838ced234044384740ceeb99ed388>
- <https://git.kernel.org/stable/c/9461613afc59acef44a0071b0dd5075f6e993ffe>

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-2026-98624>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98624/>. Everything for agents: <https://agentprime.io/llms.txt>.