# wifi: mt76: fix RXDMAD_C buffer recycling race

CVE record · `CVE-2026-90371`

- **Identifiers:** `CVE-2026-90371`
- **State:** Confirmed
- **Severity:** CVSS 8.8 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, 16:09 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: `e50d4d710efd2dbc46965e9608bbb502bcfc5c99 to before 7ac05ed3a50e511c93f8506e555709a208dfce0a` (git)
  - affected: `e50d4d710efd2dbc46965e9608bbb502bcfc5c99 to before a273dc3b86a7d983d643827d3d3c795d55d8f632` (git)
  - affected: `e50d4d710efd2dbc46965e9608bbb502bcfc5c99 to before e1f97c10a4ec2b9db69a134b757304399ca903ce` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.18`
  - unaffected: `before 6.18` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0037, the 31st 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-2026-90371](https://www.cve.org/CVERecord?id=CVE-2026-90371)
- [NVD: CVE-2026-90371](https://nvd.nist.gov/vuln/detail/CVE-2026-90371)

### References from the CNA

- <https://git.kernel.org/stable/c/7ac05ed3a50e511c93f8506e555709a208dfce0a>
- <https://git.kernel.org/stable/c/a273dc3b86a7d983d643827d3d3c795d55d8f632>
- <https://git.kernel.org/stable/c/e1f97c10a4ec2b9db69a134b757304399ca903ce>

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-2026-90371>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90371/>. Everything for agents: <https://agentprime.io/llms.txt>.