# Bluetooth: hci_core: Serialize SCO and ISO scheduling with teardown

CVE record · `CVE-2026-98734`

- **Identifiers:** `CVE-2026-98734`
- **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:** 21 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: `bf4c63252490ba78fb833cc7acf1a5b1900c970f to before f997e03e2ef58aa7114828c9d924e515a9a1db9c` (git)
  - affected: `bf4c63252490ba78fb833cc7acf1a5b1900c970f to before 101825c09ad6b7daa6cf4c9e6b1720b13de15596` (git)
  - affected: `bf4c63252490ba78fb833cc7acf1a5b1900c970f to before 1681f97afdf92e8557f2f3118ddc898471b5d299` (git)
  - affected: `bf4c63252490ba78fb833cc7acf1a5b1900c970f to before ecdb1c66d8e14e63731c52d6fbcfa604064913c4` (git)
  - affected: `bf4c63252490ba78fb833cc7acf1a5b1900c970f to before 848a7a91c7f03675d3bd8db6f7721cbf9cb50e21` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.3`
  - unaffected: `before 3.3` (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-2026-98734](https://www.cve.org/CVERecord?id=CVE-2026-98734)
- [NVD: CVE-2026-98734](https://nvd.nist.gov/vuln/detail/CVE-2026-98734)

### References from the CNA

- <https://git.kernel.org/stable/c/f997e03e2ef58aa7114828c9d924e515a9a1db9c>
- <https://git.kernel.org/stable/c/101825c09ad6b7daa6cf4c9e6b1720b13de15596>
- <https://git.kernel.org/stable/c/1681f97afdf92e8557f2f3118ddc898471b5d299>
- <https://git.kernel.org/stable/c/ecdb1c66d8e14e63731c52d6fbcfa604064913c4>
- <https://git.kernel.org/stable/c/848a7a91c7f03675d3bd8db6f7721cbf9cb50e21>

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-2026-98734>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98734/>. Everything for agents: <https://agentprime.io/llms.txt>.