# ALSA: FCP: Use a private URB for the notification endpoint

CVE record · `CVE-2026-80816`

- **Identifiers:** `CVE-2026-80816`
- **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: `46757a3e7d50dac923888e7fbe68377736f13c70 to before 65aceb45ca91ddb7f7ed178821f481b34da35543` (git)
  - affected: `46757a3e7d50dac923888e7fbe68377736f13c70 to before 5da21a434171e8ecf1d992c6f1d84c0c706fd395` (git)
  - affected: `46757a3e7d50dac923888e7fbe68377736f13c70 to before 6db3c1d7e2872c9904e05ca8e0515920776a3c9c` (git)
  - affected: `46757a3e7d50dac923888e7fbe68377736f13c70 to before 918b8d231c571c50a00efe92ffc8404a537a0490` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.14`
  - unaffected: `before 6.14` (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:** 0.0021, 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 4 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80816](https://www.cve.org/CVERecord?id=CVE-2026-80816)
- [NVD: CVE-2026-80816](https://nvd.nist.gov/vuln/detail/CVE-2026-80816)

### References from the CNA

- <https://git.kernel.org/stable/c/65aceb45ca91ddb7f7ed178821f481b34da35543>
- <https://git.kernel.org/stable/c/5da21a434171e8ecf1d992c6f1d84c0c706fd395>
- <https://git.kernel.org/stable/c/6db3c1d7e2872c9904e05ca8e0515920776a3c9c>
- <https://git.kernel.org/stable/c/918b8d231c571c50a00efe92ffc8404a537a0490>

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-2026-80816>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80816/>. Everything for agents: <https://agentprime.io/llms.txt>.