# wifi: ath11k: fix stride mismatch in mac_phy_caps_parse()

CVE record · `CVE-2026-90398`

- **Identifiers:** `CVE-2026-90398`
- **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:** 30 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: `5b90fc760db5a969ed26d70f8e62c91915f012bd to before deb14c9932509c0defaa0620c9ca8d20b385a6bd` (git)
  - affected: `5b90fc760db5a969ed26d70f8e62c91915f012bd to before b2ecd548f89a4a6c14b5eb4abc825f92b3068dda` (git)
  - affected: `5b90fc760db5a969ed26d70f8e62c91915f012bd to before bbb3b3334a9ed850c5b332eedea107796e691237` (git)
  - affected: `5b90fc760db5a969ed26d70f8e62c91915f012bd to before 75185e2b214e842b7e0af29e5d1fef155662b8b1` (git)
  - affected: `5b90fc760db5a969ed26d70f8e62c91915f012bd to before acff2713c3212ade15051e7b421f15c89927e70f` (git)
  - affected: `5b90fc760db5a969ed26d70f8e62c91915f012bd to before 7a246c72132eb943b5844ba79dad597b47429dba` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.6`
  - unaffected: `before 5.6` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (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:** 0.0014, the 3rd 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-2026-90398](https://www.cve.org/CVERecord?id=CVE-2026-90398)
- [NVD: CVE-2026-90398](https://nvd.nist.gov/vuln/detail/CVE-2026-90398)

### References from the CNA

- <https://git.kernel.org/stable/c/deb14c9932509c0defaa0620c9ca8d20b385a6bd>
- <https://git.kernel.org/stable/c/b2ecd548f89a4a6c14b5eb4abc825f92b3068dda>
- <https://git.kernel.org/stable/c/bbb3b3334a9ed850c5b332eedea107796e691237>
- <https://git.kernel.org/stable/c/75185e2b214e842b7e0af29e5d1fef155662b8b1>
- <https://git.kernel.org/stable/c/acff2713c3212ade15051e7b421f15c89927e70f>
- <https://git.kernel.org/stable/c/7a246c72132eb943b5844ba79dad597b47429dba>

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-2026-90398>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90398/>. Everything for agents: <https://agentprime.io/llms.txt>.