# usb: gadget: f_midi: initialize work in f_midi_alloc()

CVE record · `CVE-2026-90021`

- **Identifiers:** `CVE-2026-90021`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:33 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: `8653d71ce3763aedcf3d2331f59beda3fecd79e4 to before c76e82b026a28c348e5d841922aa73db36eca1d3` (git)
  - affected: `8653d71ce3763aedcf3d2331f59beda3fecd79e4 to before 13e9f5a91360952b9b5bbc2367fc29d4a4ff2824` (git)
  - affected: `8653d71ce3763aedcf3d2331f59beda3fecd79e4 to before 3d8b11255e632170f32f1925bfcaf96331f36317` (git)
  - affected: `8653d71ce3763aedcf3d2331f59beda3fecd79e4 to before 02ac76f27db23ef652358458c272d9d2d6f51167` (git)
  - affected: `8653d71ce3763aedcf3d2331f59beda3fecd79e4 to before 858576de6b2f5166b08dae803f0fd0766dcb3002` (git)
  - affected: `8653d71ce3763aedcf3d2331f59beda3fecd79e4 to before 7e07d3e4c389217d7d7171d80edf2e23ac70f1ea` (git)
  - affected: `89019ab7a64fcdf98a2ba7799e5c6aff58d4a05d` (git)
  - affected: `3635523e9b96213969693c320302d536774d8e9b` (git)
  - affected: `5.4.291 to before 5.5` (semver)
  - affected: `5.10.235 to before 5.11` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.12`
  - unaffected: `before 5.12` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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:** 0.0022, the 11th 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90021](https://www.cve.org/CVERecord?id=CVE-2026-90021)
- [NVD: CVE-2026-90021](https://nvd.nist.gov/vuln/detail/CVE-2026-90021)

### References from the CNA

- <https://git.kernel.org/stable/c/c76e82b026a28c348e5d841922aa73db36eca1d3>
- <https://git.kernel.org/stable/c/13e9f5a91360952b9b5bbc2367fc29d4a4ff2824>
- <https://git.kernel.org/stable/c/3d8b11255e632170f32f1925bfcaf96331f36317>
- <https://git.kernel.org/stable/c/02ac76f27db23ef652358458c272d9d2d6f51167>
- <https://git.kernel.org/stable/c/858576de6b2f5166b08dae803f0fd0766dcb3002>
- <https://git.kernel.org/stable/c/7e07d3e4c389217d7d7171d80edf2e23ac70f1ea>

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-2026-90021>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90021/>. Everything for agents: <https://agentprime.io/llms.txt>.