# wifi: mt76: fix out-of-bounds access in mmio copy helpers

CVE record · `CVE-2026-90369`

- **Identifiers:** `CVE-2026-90369`
- **State:** Confirmed
- **Severity:** No CVSS score
- **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: `2df00805f7dbaa46b60c682aad0d76270b7ba266 to before 6ed0fba58bb125a8d8de96e391aa86111166efca` (git)
  - affected: `2df00805f7dbaa46b60c682aad0d76270b7ba266 to before 6689b4a65e88d7b019e687fa9d6943ca070f3e43` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.19`
  - unaffected: `before 6.19` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0020, the 9th 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-2026-90369](https://www.cve.org/CVERecord?id=CVE-2026-90369)
- [NVD: CVE-2026-90369](https://nvd.nist.gov/vuln/detail/CVE-2026-90369)

### References from the CNA

- <https://git.kernel.org/stable/c/6ed0fba58bb125a8d8de96e391aa86111166efca>
- <https://git.kernel.org/stable/c/6689b4a65e88d7b019e687fa9d6943ca070f3e43>

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-2026-90369>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-90369/>. Everything for agents: <https://agentprime.io/llms.txt>.