# net: thunderbolt: Release the Rx HopID that was handed out on mismatch

CVE record · `CVE-2026-80990`

- **Identifiers:** `CVE-2026-80990`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:42 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: `180b0689425c6fb2b35e69a3316ee38371a782df to before b098f01638a142afbb1e00b323e2fc40f237907a` (git)
  - affected: `180b0689425c6fb2b35e69a3316ee38371a782df to before 47981eb66461ba4e74bbaea0f139adaaeb3991e9` (git)
  - affected: `180b0689425c6fb2b35e69a3316ee38371a782df to before 9eac1817bfc5fa76e3a2d1b8fd824cc6ef5a9ab0` (git)
  - affected: `180b0689425c6fb2b35e69a3316ee38371a782df to before 61ff3c353e5d2ff4eb9d0b6d8d9e47805b136eea` (git)
  - affected: `180b0689425c6fb2b35e69a3316ee38371a782df to before 1c361f6cf39be7cc0ce37c0b67bd1cdf74b0a0c1` (git)
  - affected: `180b0689425c6fb2b35e69a3316ee38371a782df to before 2f1463554d0561a2fead81e3888604e5c1125e29` (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: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.109 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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 14 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 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80990](https://www.cve.org/CVERecord?id=CVE-2026-80990)
- [NVD: CVE-2026-80990](https://nvd.nist.gov/vuln/detail/CVE-2026-80990)

### References from the CNA

- <https://git.kernel.org/stable/c/b098f01638a142afbb1e00b323e2fc40f237907a>
- <https://git.kernel.org/stable/c/47981eb66461ba4e74bbaea0f139adaaeb3991e9>
- <https://git.kernel.org/stable/c/9eac1817bfc5fa76e3a2d1b8fd824cc6ef5a9ab0>
- <https://git.kernel.org/stable/c/61ff3c353e5d2ff4eb9d0b6d8d9e47805b136eea>
- <https://git.kernel.org/stable/c/1c361f6cf39be7cc0ce37c0b67bd1cdf74b0a0c1>
- <https://git.kernel.org/stable/c/2f1463554d0561a2fead81e3888604e5c1125e29>

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-2026-80990>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80990/>. Everything for agents: <https://agentprime.io/llms.txt>.