# rndis_host: add overflow check in rndis_rx_fixup()

CVE record · `CVE-2026-80814`

- **Identifiers:** `CVE-2026-80814`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 4 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 4 Sept 2026, 15:13 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: `64e049102d3de3e61409cb6019403a9e689dfda6 to before 2140db1232af04b92faa6c4a2a40df6371ea89ff` (git)
  - affected: `64e049102d3de3e61409cb6019403a9e689dfda6 to before 8ca3bd404d076495ed0b274b65971c57b6fd5ac0` (git)
  - affected: `64e049102d3de3e61409cb6019403a9e689dfda6 to before f8e6fde5db87f855e99b200e392467274f0eb9d7` (git)
  - affected: `64e049102d3de3e61409cb6019403a9e689dfda6 to before 10a6b99079697c5027b25352e882bdf54fef702a` (git)
  - affected: `64e049102d3de3e61409cb6019403a9e689dfda6 to before c5398ce6db7647b7004d73a3102ccc25fb4bb596` (git)
  - affected: `64e049102d3de3e61409cb6019403a9e689dfda6 to before e971d956353d382ee2185d71c47b538501a43f76` (git)
  - affected: `64e049102d3de3e61409cb6019403a9e689dfda6 to before be7dc3650f799a253df4edd4fe230fc9ea4be063` (git)
  - affected: `64e049102d3de3e61409cb6019403a9e689dfda6 to before 2ded89ca77fae1da6886fe94831acfe4d6aa80b1` (git)
  - affected: `64e049102d3de3e61409cb6019403a9e689dfda6 to before 965a251f23ff69cfb4486974d4532e9bb551c7fc` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.14`
  - unaffected: `before 2.6.14` (semver)
  - unaffected: `5.10.267 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.218 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.185 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.154 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.106 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.47 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1.11 to 7.1.*, inclusive` (semver)
  - unaffected: `7.2.1 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:** 0.0019, the 9th 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 4 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80814](https://www.cve.org/CVERecord?id=CVE-2026-80814)
- [NVD: CVE-2026-80814](https://nvd.nist.gov/vuln/detail/CVE-2026-80814)

### References from the CNA

- <https://git.kernel.org/stable/c/2140db1232af04b92faa6c4a2a40df6371ea89ff>
- <https://git.kernel.org/stable/c/8ca3bd404d076495ed0b274b65971c57b6fd5ac0>
- <https://git.kernel.org/stable/c/f8e6fde5db87f855e99b200e392467274f0eb9d7>
- <https://git.kernel.org/stable/c/10a6b99079697c5027b25352e882bdf54fef702a>
- <https://git.kernel.org/stable/c/c5398ce6db7647b7004d73a3102ccc25fb4bb596>
- <https://git.kernel.org/stable/c/e971d956353d382ee2185d71c47b538501a43f76>
- <https://git.kernel.org/stable/c/be7dc3650f799a253df4edd4fe230fc9ea4be063>
- <https://git.kernel.org/stable/c/2ded89ca77fae1da6886fe94831acfe4d6aa80b1>
- <https://git.kernel.org/stable/c/965a251f23ff69cfb4486974d4532e9bb551c7fc>

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-2026-80814>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80814/>. Everything for agents: <https://agentprime.io/llms.txt>.