# Bluetooth: RFCOMM: connect the session socket without rfcomm_mutex

CVE record · `CVE-2026-99009`

- **Identifiers:** `CVE-2026-99009`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:20 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: `62ce8b33eb238cf18c15207332fbdc26d858f592 to before d7a3bf6f55ab77d465206b25fe3418091c3d4b92` (git)
  - affected: `3873f3449701b3dc98cba577923be6493598e7a1 to before 172b152119643018a2ed792e5096f33a4491c7de` (git)
  - affected: `7ded3264106418c6456ccceaafd9fda596ce12c3 to before caf78390f78a005d5cdc1db2eb467b2794bbf020` (git)
  - affected: `82425b14f0fb22e46cfddc56d6465570f5ed0ce6 to before 4dc3d5a004b8fd59f3c905631dbb18cb601b1b41` (git)
  - affected: `1b7841ffad08e911e8c4b9470f3fa08423568940 to before d2206e8c78be69d21d4f5343c3e99fbaeef41cbb` (git)
  - affected: `946d76db77ee5f922968ce558629ae47b381e3fc to before cc7732b8549ecb6f02457edeb8db1f6d255e381c` (git)
  - affected: `fbf7961964a6e93360179f64712320ae9a1e9577 to before f492de11b325446b0b11bc2eb86e1f546eaa61b6` (git)
  - affected: `759c185d0bbdb131357408f50b8735e04ed3caff to before ac022970e9fb0a5f7e7d1f6c8e104c1ed924dd1c` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.10.270 to before 5.10.273` (semver)
  - affected: `5.15.221 to before 5.15.224` (semver)
  - affected: `6.1.188 to before 6.1.191` (semver)
  - affected: `6.6.157 to before 6.6.160` (semver)
  - affected: `6.12.109 to before 6.12.114` (semver)
  - affected: `6.18.50 to before 6.18.58` (semver)
  - affected: `7.2.4 to before 7.2.11` (semver)
  - Other versions: unaffected

## 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 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99009](https://www.cve.org/CVERecord?id=CVE-2026-99009)
- [NVD: CVE-2026-99009](https://nvd.nist.gov/vuln/detail/CVE-2026-99009)

### References from the CNA

- <https://git.kernel.org/stable/c/d7a3bf6f55ab77d465206b25fe3418091c3d4b92>
- <https://git.kernel.org/stable/c/172b152119643018a2ed792e5096f33a4491c7de>
- <https://git.kernel.org/stable/c/caf78390f78a005d5cdc1db2eb467b2794bbf020>
- <https://git.kernel.org/stable/c/4dc3d5a004b8fd59f3c905631dbb18cb601b1b41>
- <https://git.kernel.org/stable/c/d2206e8c78be69d21d4f5343c3e99fbaeef41cbb>
- <https://git.kernel.org/stable/c/cc7732b8549ecb6f02457edeb8db1f6d255e381c>
- <https://git.kernel.org/stable/c/f492de11b325446b0b11bc2eb86e1f546eaa61b6>
- <https://git.kernel.org/stable/c/ac022970e9fb0a5f7e7d1f6c8e104c1ed924dd1c>

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-2026-99009>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99009/>. Everything for agents: <https://agentprime.io/llms.txt>.