# wifi: mt76: mt7996: fix TX DMA mapping leak for AddBA req frames

CVE record · `CVE-2026-80934`

- **Identifiers:** `CVE-2026-80934`
- **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: `cb6ebbdffef2a888b95f121637cd1fad473919c6 to before 01f2e0da8548f82d704b65b513026cfedc5f8962` (git)
  - affected: `cb6ebbdffef2a888b95f121637cd1fad473919c6 to before b754d3a6d44c53d9853eba374d8a7ef279a9d00a` (git)
  - affected: `cb6ebbdffef2a888b95f121637cd1fad473919c6 to before deaa2e3656937fbbe312f0ee2616c756c6e2511f` (git)
  - affected: `91a5a48702e948e45df01a4f2fd54a0b0d0d6efb` (git)
  - affected: `6.17.8 to before 6.18` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.18`
  - unaffected: `before 6.18` (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:** 0.0021, the 10th 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-2026-80934](https://www.cve.org/CVERecord?id=CVE-2026-80934)
- [NVD: CVE-2026-80934](https://nvd.nist.gov/vuln/detail/CVE-2026-80934)

### References from the CNA

- <https://git.kernel.org/stable/c/01f2e0da8548f82d704b65b513026cfedc5f8962>
- <https://git.kernel.org/stable/c/b754d3a6d44c53d9853eba374d8a7ef279a9d00a>
- <https://git.kernel.org/stable/c/deaa2e3656937fbbe312f0ee2616c756c6e2511f>

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-2026-80934>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80934/>. Everything for agents: <https://agentprime.io/llms.txt>.