# netfilter: nfnetlink_log: cope with concurrent instance destruction

CVE record · `CVE-2026-97998`

- **Identifiers:** `CVE-2026-97998`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:23 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: `0597f2680d666a3bcf101ac0c771ba7e50016bbd to before c5c89beaa628d6ac527c6eb2e01b2b52eb417f59` (git)
  - affected: `0597f2680d666a3bcf101ac0c771ba7e50016bbd to before 042465e7d3d3127e21f04e42c1639e2518b98915` (git)
  - affected: `0597f2680d666a3bcf101ac0c771ba7e50016bbd to before 291685fc8d2e4cf75ed3a23c810883653f407f46` (git)
  - affected: `0597f2680d666a3bcf101ac0c771ba7e50016bbd to before 3161186a2ff81288e9a5f35daf1911153764ecae` (git)
  - affected: `0597f2680d666a3bcf101ac0c771ba7e50016bbd to before 0234d7ca0317be0a623300e1693cd794bbfdf8af` (git)
  - affected: `0597f2680d666a3bcf101ac0c771ba7e50016bbd to before 1a7a8ac9a9f0ad0d410c901cb6f233833518844c` (git)
  - affected: `0597f2680d666a3bcf101ac0c771ba7e50016bbd to before e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb` (git)
  - affected: `0597f2680d666a3bcf101ac0c771ba7e50016bbd to before 387d744fa7e499d2c3748a4e60e02ebb24e7fb16` (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: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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 12 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97998](https://www.cve.org/CVERecord?id=CVE-2026-97998)
- [NVD: CVE-2026-97998](https://nvd.nist.gov/vuln/detail/CVE-2026-97998)

### References from the CNA

- <https://git.kernel.org/stable/c/c5c89beaa628d6ac527c6eb2e01b2b52eb417f59>
- <https://git.kernel.org/stable/c/042465e7d3d3127e21f04e42c1639e2518b98915>
- <https://git.kernel.org/stable/c/291685fc8d2e4cf75ed3a23c810883653f407f46>
- <https://git.kernel.org/stable/c/3161186a2ff81288e9a5f35daf1911153764ecae>
- <https://git.kernel.org/stable/c/0234d7ca0317be0a623300e1693cd794bbfdf8af>
- <https://git.kernel.org/stable/c/1a7a8ac9a9f0ad0d410c901cb6f233833518844c>
- <https://git.kernel.org/stable/c/e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb>
- <https://git.kernel.org/stable/c/387d744fa7e499d2c3748a4e60e02ebb24e7fb16>

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-2026-97998>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97998/>. Everything for agents: <https://agentprime.io/llms.txt>.