# ALSA: serial-u16550: Check card index validity at probe

CVE record · `CVE-2026-80965`

- **Identifiers:** `CVE-2026-80965`
- **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:** 19 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: `9caf6b5908e1e3b10478e9201ca1be809145253f to before 41a952304cc8a308748e3f58462c879f2a9c4340` (git)
  - affected: `9caf6b5908e1e3b10478e9201ca1be809145253f to before cc0f757d017f4271f137c77e130314bb23792347` (git)
  - affected: `9caf6b5908e1e3b10478e9201ca1be809145253f to before 1cb30691dc893aafcbc1e211e94764014c0f5d12` (git)
  - affected: `9caf6b5908e1e3b10478e9201ca1be809145253f to before 487ede9b648fc0eb15866f408c41aac2c57f85d5` (git)
  - affected: `9caf6b5908e1e3b10478e9201ca1be809145253f to before fbf3fb097e66fc1874e54ecc46d600d9325480d6` (git)
  - affected: `9caf6b5908e1e3b10478e9201ca1be809145253f to before 7555e83d7738e65dc83921e3c85bbdc081f08f2f` (git)
  - affected: `9caf6b5908e1e3b10478e9201ca1be809145253f to before 6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba` (git)
  - affected: `9caf6b5908e1e3b10478e9201ca1be809145253f to before e0fb960b227fcdebe22e4f26c9486d60943c0424` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.16`
  - unaffected: `before 2.6.16` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 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:** 0.0018, the 7th 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-2026-80965](https://www.cve.org/CVERecord?id=CVE-2026-80965)
- [NVD: CVE-2026-80965](https://nvd.nist.gov/vuln/detail/CVE-2026-80965)

### References from the CNA

- <https://git.kernel.org/stable/c/41a952304cc8a308748e3f58462c879f2a9c4340>
- <https://git.kernel.org/stable/c/cc0f757d017f4271f137c77e130314bb23792347>
- <https://git.kernel.org/stable/c/1cb30691dc893aafcbc1e211e94764014c0f5d12>
- <https://git.kernel.org/stable/c/487ede9b648fc0eb15866f408c41aac2c57f85d5>
- <https://git.kernel.org/stable/c/fbf3fb097e66fc1874e54ecc46d600d9325480d6>
- <https://git.kernel.org/stable/c/7555e83d7738e65dc83921e3c85bbdc081f08f2f>
- <https://git.kernel.org/stable/c/6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba>
- <https://git.kernel.org/stable/c/e0fb960b227fcdebe22e4f26c9486d60943c0424>

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-2026-80965>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80965/>. Everything for agents: <https://agentprime.io/llms.txt>.