# wifi: cfg80211: preserve hidden-group beacon IE ownership

CVE record · `CVE-2026-98823`

- **Identifiers:** `CVE-2026-98823`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:49 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: `0afd425b1b64251f19b5d8d8b49bf56fefbc643f to before 00f83d39675adc12d56957a1f5e316812157e4d3` (git)
  - affected: `0afd425b1b64251f19b5d8d8b49bf56fefbc643f to before 3c44f780d1738e9ddf438729f5ff6ceb45f9ded3` (git)
  - affected: `0afd425b1b64251f19b5d8d8b49bf56fefbc643f to before 8f79f429dc87a4f21e4fcf9a4d3df9484ca9a294` (git)
  - affected: `0afd425b1b64251f19b5d8d8b49bf56fefbc643f to before 5617d5328839003c91007ce906b4f100b43926e9` (git)
  - affected: `0afd425b1b64251f19b5d8d8b49bf56fefbc643f to before 49b66110a08e4f926f6393e938f226de2750a08b` (git)
  - affected: `0afd425b1b64251f19b5d8d8b49bf56fefbc643f to before dd7973a4130b0862be38d7e08cc0e874b3d99967` (git)
  - affected: `0afd425b1b64251f19b5d8d8b49bf56fefbc643f to before 5f27581c176f84b52ec0ab9be7b500c10667ef60` (git)
  - affected: `0afd425b1b64251f19b5d8d8b49bf56fefbc643f to before cc45f313d85533d647ce619326302aad6f797c14` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.4`
  - unaffected: `before 5.4` (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: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.56 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.10 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:** 0.0019, the 8th percentile, on 7 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98823](https://www.cve.org/CVERecord?id=CVE-2026-98823)
- [NVD: CVE-2026-98823](https://nvd.nist.gov/vuln/detail/CVE-2026-98823)

### References from the CNA

- <https://git.kernel.org/stable/c/00f83d39675adc12d56957a1f5e316812157e4d3>
- <https://git.kernel.org/stable/c/3c44f780d1738e9ddf438729f5ff6ceb45f9ded3>
- <https://git.kernel.org/stable/c/8f79f429dc87a4f21e4fcf9a4d3df9484ca9a294>
- <https://git.kernel.org/stable/c/5617d5328839003c91007ce906b4f100b43926e9>
- <https://git.kernel.org/stable/c/49b66110a08e4f926f6393e938f226de2750a08b>
- <https://git.kernel.org/stable/c/dd7973a4130b0862be38d7e08cc0e874b3d99967>
- <https://git.kernel.org/stable/c/5f27581c176f84b52ec0ab9be7b500c10667ef60>
- <https://git.kernel.org/stable/c/cc45f313d85533d647ce619326302aad6f797c14>

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-2026-98823>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98823/>. Everything for agents: <https://agentprime.io/llms.txt>.