# wifi: wcn36xx: Fix potential use-after-free in TX ack timer teardown

CVE record · `CVE-2026-98192`

- **Identifiers:** `CVE-2026-98192`
- **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:** 30 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: `fdf21cc3714939dd4327f3d664fe5863d15ccb31 to before 915298dbb766d2311b0822ab6ef24780def0bd53` (git)
  - affected: `fdf21cc3714939dd4327f3d664fe5863d15ccb31 to before e7f265d507ee55017b67ef4722df884468be1113` (git)
  - affected: `fdf21cc3714939dd4327f3d664fe5863d15ccb31 to before 7ce1e55a439968a298a63d3199cb1c2636429746` (git)
  - affected: `fdf21cc3714939dd4327f3d664fe5863d15ccb31 to before 15e59e377facc87ce82228279d88efaa89fdbca5` (git)
  - affected: `fdf21cc3714939dd4327f3d664fe5863d15ccb31 to before 3edabc965bcce49cbb2ec1c2b91f8a555a8ec8bd` (git)
  - affected: `fdf21cc3714939dd4327f3d664fe5863d15ccb31 to before 2bddc5d088cf430ecd913020472f1def32a36a3d` (git)
  - affected: `fdf21cc3714939dd4327f3d664fe5863d15ccb31 to before c0df0878e9110909cf0bec6080d72d36401a0c89` (git)
  - affected: `fdf21cc3714939dd4327f3d664fe5863d15ccb31 to before d9be5e75530772fc31637070d51e5717d6aeaa2a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.10`
  - unaffected: `before 5.10` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 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-2026-98192](https://www.cve.org/CVERecord?id=CVE-2026-98192)
- [NVD: CVE-2026-98192](https://nvd.nist.gov/vuln/detail/CVE-2026-98192)

### References from the CNA

- <https://git.kernel.org/stable/c/915298dbb766d2311b0822ab6ef24780def0bd53>
- <https://git.kernel.org/stable/c/e7f265d507ee55017b67ef4722df884468be1113>
- <https://git.kernel.org/stable/c/7ce1e55a439968a298a63d3199cb1c2636429746>
- <https://git.kernel.org/stable/c/15e59e377facc87ce82228279d88efaa89fdbca5>
- <https://git.kernel.org/stable/c/3edabc965bcce49cbb2ec1c2b91f8a555a8ec8bd>
- <https://git.kernel.org/stable/c/2bddc5d088cf430ecd913020472f1def32a36a3d>
- <https://git.kernel.org/stable/c/c0df0878e9110909cf0bec6080d72d36401a0c89>
- <https://git.kernel.org/stable/c/d9be5e75530772fc31637070d51e5717d6aeaa2a>

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-2026-98192>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98192/>. Everything for agents: <https://agentprime.io/llms.txt>.