# netfilter: nf_tables: skip double clone set expressions on element insert

CVE record · `CVE-2026-90061`

- **Identifiers:** `CVE-2026-90061`
- **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, 16:05 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: `65038428b2c6c5be79d3f78a6b79c0cdc3a58a41 to before 109bf28a90ac365ec4d25622c50959bb43b35ed4` (git)
  - affected: `65038428b2c6c5be79d3f78a6b79c0cdc3a58a41 to before 9cbf6da967ec8c6e8278b70353b712980a12d848` (git)
  - affected: `65038428b2c6c5be79d3f78a6b79c0cdc3a58a41 to before 04d1930072e694d9d03bfefdb7e1ebdc872a3d0c` (git)
  - affected: `65038428b2c6c5be79d3f78a6b79c0cdc3a58a41 to before c6b56b8d549a043b6c8ff616db8748263eae05ae` (git)
  - affected: `65038428b2c6c5be79d3f78a6b79c0cdc3a58a41 to before 1e7fb6801d9cc826adcdb7fa0533c397730657f2` (git)
  - affected: `65038428b2c6c5be79d3f78a6b79c0cdc3a58a41 to before 43559058d21e0493aa220ac167e0279334dea5f9` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.7`
  - unaffected: `before 5.7` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 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:** 0.0022, the 11th 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-2026-90061](https://www.cve.org/CVERecord?id=CVE-2026-90061)
- [NVD: CVE-2026-90061](https://nvd.nist.gov/vuln/detail/CVE-2026-90061)

### References from the CNA

- <https://git.kernel.org/stable/c/109bf28a90ac365ec4d25622c50959bb43b35ed4>
- <https://git.kernel.org/stable/c/9cbf6da967ec8c6e8278b70353b712980a12d848>
- <https://git.kernel.org/stable/c/04d1930072e694d9d03bfefdb7e1ebdc872a3d0c>
- <https://git.kernel.org/stable/c/c6b56b8d549a043b6c8ff616db8748263eae05ae>
- <https://git.kernel.org/stable/c/1e7fb6801d9cc826adcdb7fa0533c397730657f2>
- <https://git.kernel.org/stable/c/43559058d21e0493aa220ac167e0279334dea5f9>

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-2026-90061>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90061/>. Everything for agents: <https://agentprime.io/llms.txt>.