# wifi: ath12k: fix stride mismatch in mac_phy_caps_parse()

CVE record · `CVE-2026-90399`

- **Identifiers:** `CVE-2026-90399`
- **State:** Confirmed
- **Severity:** CVSS 8.4 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 21 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: `d889913205cf7ebda905b1e62c5867ed4e39f6c2 to before 79c6f4f7d16eea1bcb8bc5c8fd6ec04a01b0614f` (git)
  - affected: `d889913205cf7ebda905b1e62c5867ed4e39f6c2 to before d3355e0fdbbf531ca8b82a6a3feb80a1b7306a8b` (git)
  - affected: `d889913205cf7ebda905b1e62c5867ed4e39f6c2 to before b9a5d12cbdeb860306f8d47c92caee0ea6ee0e0a` (git)
  - affected: `d889913205cf7ebda905b1e62c5867ed4e39f6c2 to before 26f8f87f0a556e7984366c64cebc16d49e15d22f` (git)
  - affected: `d889913205cf7ebda905b1e62c5867ed4e39f6c2 to before 4c6eb712a91fa079be6f9f1419c96e0ad2227081` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.3`
  - unaffected: `before 6.3` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0019, the 8th 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-2026-90399](https://www.cve.org/CVERecord?id=CVE-2026-90399)
- [NVD: CVE-2026-90399](https://nvd.nist.gov/vuln/detail/CVE-2026-90399)

### References from the CNA

- <https://git.kernel.org/stable/c/79c6f4f7d16eea1bcb8bc5c8fd6ec04a01b0614f>
- <https://git.kernel.org/stable/c/d3355e0fdbbf531ca8b82a6a3feb80a1b7306a8b>
- <https://git.kernel.org/stable/c/b9a5d12cbdeb860306f8d47c92caee0ea6ee0e0a>
- <https://git.kernel.org/stable/c/26f8f87f0a556e7984366c64cebc16d49e15d22f>
- <https://git.kernel.org/stable/c/4c6eb712a91fa079be6f9f1419c96e0ad2227081>

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-2026-90399>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-90399/>. Everything for agents: <https://agentprime.io/llms.txt>.