# wifi: mwifiex: bound the pairwise-cipher OUI walk to the IE length

CVE record · `CVE-2026-98186`

- **Identifiers:** `CVE-2026-98186`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:44 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: `5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e to before 77e642af7f2f6029e12a35c847c56cbd0466e799` (git)
  - affected: `5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e to before 982b8fcdbb28f63bbbf02f0822c0bbda12ec27ed` (git)
  - affected: `5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e to before 58767b41f87244eebaa5a475b9d276c83b89b933` (git)
  - affected: `5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e to before 2402c9e2644b7e10c7aaaf87bf12743d7e363559` (git)
  - affected: `5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e to before 54a9cc5bd70b0d77a5069d4c46998c679a10c857` (git)
  - affected: `5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e to before 8bbef2b1ebfbadc0b9c37bbbf9c9e26fe2e41960` (git)
  - affected: `5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e to before 46cda9d42f0d6ec3057d878ddb1f38c0ab9f51df` (git)
  - affected: `5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e to before e667aee1c192d67d27c803007bfa9c6e0873e959` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.0`
  - unaffected: `before 3.0` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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 10 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98186](https://www.cve.org/CVERecord?id=CVE-2026-98186)
- [NVD: CVE-2026-98186](https://nvd.nist.gov/vuln/detail/CVE-2026-98186)

### References from the CNA

- <https://git.kernel.org/stable/c/77e642af7f2f6029e12a35c847c56cbd0466e799>
- <https://git.kernel.org/stable/c/982b8fcdbb28f63bbbf02f0822c0bbda12ec27ed>
- <https://git.kernel.org/stable/c/58767b41f87244eebaa5a475b9d276c83b89b933>
- <https://git.kernel.org/stable/c/2402c9e2644b7e10c7aaaf87bf12743d7e363559>
- <https://git.kernel.org/stable/c/54a9cc5bd70b0d77a5069d4c46998c679a10c857>
- <https://git.kernel.org/stable/c/8bbef2b1ebfbadc0b9c37bbbf9c9e26fe2e41960>
- <https://git.kernel.org/stable/c/46cda9d42f0d6ec3057d878ddb1f38c0ab9f51df>
- <https://git.kernel.org/stable/c/e667aee1c192d67d27c803007bfa9c6e0873e959>

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-2026-98186>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98186/>. Everything for agents: <https://agentprime.io/llms.txt>.