# ALSA: seq: midi: Serialize input teardown with event_input

CVE record · `CVE-2026-90207`

- **Identifiers:** `CVE-2026-90207`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 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: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before de76a2b47582cd6dba2e15f024681bf377ecc94a` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 89d986897aff7275b42e075e556731b8353366af` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 6290afaae54c7a9fa3bca3b4d5433e6d83e8669d` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 210c193a9ef1312fab153948c6928e4cfaa1f03b` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 282a3ef9e4b63b2f6823bbbb3c1a90b002cdaf12` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 403f7f3ad3808a0096d84cf228fab68dc253fd9d` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.12`
  - unaffected: `before 2.6.12` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90207](https://www.cve.org/CVERecord?id=CVE-2026-90207)
- [NVD: CVE-2026-90207](https://nvd.nist.gov/vuln/detail/CVE-2026-90207)

### References from the CNA

- <https://git.kernel.org/stable/c/de76a2b47582cd6dba2e15f024681bf377ecc94a>
- <https://git.kernel.org/stable/c/89d986897aff7275b42e075e556731b8353366af>
- <https://git.kernel.org/stable/c/6290afaae54c7a9fa3bca3b4d5433e6d83e8669d>
- <https://git.kernel.org/stable/c/210c193a9ef1312fab153948c6928e4cfaa1f03b>
- <https://git.kernel.org/stable/c/282a3ef9e4b63b2f6823bbbb3c1a90b002cdaf12>
- <https://git.kernel.org/stable/c/403f7f3ad3808a0096d84cf228fab68dc253fd9d>

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-2026-90207>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-90207/>. Everything for agents: <https://agentprime.io/llms.txt>.