# mptcp: pm: kernel: drop pending ADD_ADDR when removing ID0

CVE record · `CVE-2026-97566`

- **Identifiers:** `CVE-2026-97566`
- **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:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:21 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: `740d798e8767d8a449902b1a1bbc70facfce19b5 to before 4af59a98aead422a152d805a89586dbb65616fc8` (git)
  - affected: `740d798e8767d8a449902b1a1bbc70facfce19b5 to before 189d60057e5f3d6a62e3d71a3cc428c9150bc14f` (git)
  - affected: `740d798e8767d8a449902b1a1bbc70facfce19b5 to before bacf23e7c9876c9f4170166b3597cb22ea3ed39b` (git)
  - affected: `740d798e8767d8a449902b1a1bbc70facfce19b5 to before d4a67a880654e1bfe318a31bea0bdbb026a09ade` (git)
  - affected: `740d798e8767d8a449902b1a1bbc70facfce19b5 to before 545616b4e7325be3c61fc082538cb06d14f7b1db` (git)
  - affected: `740d798e8767d8a449902b1a1bbc70facfce19b5 to before 2ac7d6e620764f1fc79eb4edd3610a7a661981ca` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.13`
  - unaffected: `before 5.13` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 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:** 0.0021, the 11th 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-2026-97566](https://www.cve.org/CVERecord?id=CVE-2026-97566)
- [NVD: CVE-2026-97566](https://nvd.nist.gov/vuln/detail/CVE-2026-97566)

### References from the CNA

- <https://git.kernel.org/stable/c/4af59a98aead422a152d805a89586dbb65616fc8>
- <https://git.kernel.org/stable/c/189d60057e5f3d6a62e3d71a3cc428c9150bc14f>
- <https://git.kernel.org/stable/c/bacf23e7c9876c9f4170166b3597cb22ea3ed39b>
- <https://git.kernel.org/stable/c/d4a67a880654e1bfe318a31bea0bdbb026a09ade>
- <https://git.kernel.org/stable/c/545616b4e7325be3c61fc082538cb06d14f7b1db>
- <https://git.kernel.org/stable/c/2ac7d6e620764f1fc79eb4edd3610a7a661981ca>

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-2026-97566>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-97566/>. Everything for agents: <https://agentprime.io/llms.txt>.