# wifi: brcmfmac: Fix memory leak in brcmf_sdio_read_control()

CVE record · `CVE-2026-80949`

- **Identifiers:** `CVE-2026-80949`
- **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: `dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 to before b1d0a90a844abccdfed9fe141b5d0d654a821485` (git)
  - affected: `dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 to before 86b57fa3172e287bc083113507a965e6d9a46a45` (git)
  - affected: `dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 to before a732c4f36a4cd79f3702391f88ebb56f2e43b0ee` (git)
  - affected: `dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 to before 7704f6ba2a8c492b07a3eaa1e311b4b30d389246` (git)
  - affected: `dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 to before fdb880a7d575efe8b5c7b5b819b96d9251a3937f` (git)
  - affected: `dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 to before 261d7c7610b4b2f476382c88a2d1ae0cc5e07add` (git)
  - affected: `dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 to before ba04715ee672c336272be3ceb43bda9ffc33eb75` (git)
  - affected: `dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 to before 0d10db8e94fcb23a799789aaa696b4d8f937e207` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.8`
  - unaffected: `before 3.8` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.109 to 6.12.*, inclusive` (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:** 0.0018, the 7th 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-2026-80949](https://www.cve.org/CVERecord?id=CVE-2026-80949)
- [NVD: CVE-2026-80949](https://nvd.nist.gov/vuln/detail/CVE-2026-80949)

### References from the CNA

- <https://git.kernel.org/stable/c/b1d0a90a844abccdfed9fe141b5d0d654a821485>
- <https://git.kernel.org/stable/c/86b57fa3172e287bc083113507a965e6d9a46a45>
- <https://git.kernel.org/stable/c/a732c4f36a4cd79f3702391f88ebb56f2e43b0ee>
- <https://git.kernel.org/stable/c/7704f6ba2a8c492b07a3eaa1e311b4b30d389246>
- <https://git.kernel.org/stable/c/fdb880a7d575efe8b5c7b5b819b96d9251a3937f>
- <https://git.kernel.org/stable/c/261d7c7610b4b2f476382c88a2d1ae0cc5e07add>
- <https://git.kernel.org/stable/c/ba04715ee672c336272be3ceb43bda9ffc33eb75>
- <https://git.kernel.org/stable/c/0d10db8e94fcb23a799789aaa696b4d8f937e207>

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-2026-80949>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-80949/>. Everything for agents: <https://agentprime.io/llms.txt>.