# Bluetooth: hci_conn: Lock parent access during enhanced SCO setup

CVE record · `CVE-2026-98736`

- **Identifiers:** `CVE-2026-98736`
- **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, 15:47 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: `e07a06b4eb417f5271d33ce2240e93c62d98b7b4 to before 48bf3b94c7331e11eaa6c89adc054a7bc7c0382e` (git)
  - affected: `e07a06b4eb417f5271d33ce2240e93c62d98b7b4 to before 70b55855eecb428d446344d827bda8725ce8b312` (git)
  - affected: `e07a06b4eb417f5271d33ce2240e93c62d98b7b4 to before 1239ef0fa809b5952fca679db3faa3e1c00e1dac` (git)
  - affected: `e07a06b4eb417f5271d33ce2240e93c62d98b7b4 to before cabd58d9bb66d49d481f762ce986173db397435d` (git)
  - affected: `e07a06b4eb417f5271d33ce2240e93c62d98b7b4 to before 93a737e4e042f59673cd580d35214f278d7b757d` (git)
  - affected: `e07a06b4eb417f5271d33ce2240e93c62d98b7b4 to before 024e05f73a4c1263d031614bc36700ec135eecb4` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.1`
  - unaffected: `before 6.1` (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:** 0.0017, the 6th 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-2026-98736](https://www.cve.org/CVERecord?id=CVE-2026-98736)
- [NVD: CVE-2026-98736](https://nvd.nist.gov/vuln/detail/CVE-2026-98736)

### References from the CNA

- <https://git.kernel.org/stable/c/48bf3b94c7331e11eaa6c89adc054a7bc7c0382e>
- <https://git.kernel.org/stable/c/70b55855eecb428d446344d827bda8725ce8b312>
- <https://git.kernel.org/stable/c/1239ef0fa809b5952fca679db3faa3e1c00e1dac>
- <https://git.kernel.org/stable/c/cabd58d9bb66d49d481f762ce986173db397435d>
- <https://git.kernel.org/stable/c/93a737e4e042f59673cd580d35214f278d7b757d>
- <https://git.kernel.org/stable/c/024e05f73a4c1263d031614bc36700ec135eecb4>

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-2026-98736>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98736/>. Everything for agents: <https://agentprime.io/llms.txt>.