# Bluetooth: hci_core: Fix race condition during device registration

CVE record · `CVE-2026-98109`

- **Identifiers:** `CVE-2026-98109`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:35 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: `9e14606d8f38ea52a38c27692a9c1513c987a5da to before 593e64f64a20b25e4042c3ee863119eb7f991785` (git)
  - affected: `9e14606d8f38ea52a38c27692a9c1513c987a5da to before b1faf348c29e6f8302ec7769cbf1c1ef05be014f` (git)
  - affected: `9e14606d8f38ea52a38c27692a9c1513c987a5da to before a11ebe8dc0333fb870bbbb656b34690e87ee3f98` (git)
  - affected: `9e14606d8f38ea52a38c27692a9c1513c987a5da to before d427b1c71d9798083e954d3c13469dc0a2305868` (git)
  - affected: `9e14606d8f38ea52a38c27692a9c1513c987a5da to before 57938bbdb9bf7fd41cbd5cd509ec10c4b22bec18` (git)
  - affected: `f9965f7f38c90449a5fb26edb8a7d22b1dcf0283` (git)
  - affected: `80fe27811c56ecd3896c3d511ab8298146071d98` (git)
  - affected: `6.4.16 to before 6.5` (semver)
  - affected: `6.5.3 to before 6.6` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.6`
  - unaffected: `before 6.6` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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:** 0.0009, the 1st percentile, on 12 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98109](https://www.cve.org/CVERecord?id=CVE-2026-98109)
- [NVD: CVE-2026-98109](https://nvd.nist.gov/vuln/detail/CVE-2026-98109)

### References from the CNA

- <https://git.kernel.org/stable/c/593e64f64a20b25e4042c3ee863119eb7f991785>
- <https://git.kernel.org/stable/c/b1faf348c29e6f8302ec7769cbf1c1ef05be014f>
- <https://git.kernel.org/stable/c/a11ebe8dc0333fb870bbbb656b34690e87ee3f98>
- <https://git.kernel.org/stable/c/d427b1c71d9798083e954d3c13469dc0a2305868>
- <https://git.kernel.org/stable/c/57938bbdb9bf7fd41cbd5cd509ec10c4b22bec18>

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-2026-98109>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98109/>. Everything for agents: <https://agentprime.io/llms.txt>.