# Bluetooth: SCO: hold sk properly in sco_conn_ready

CVE record · `CVE-2026-89774`

- **Identifiers:** `CVE-2026-89774`
- **State:** Confirmed
- **Severity:** CVSS 8.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 16 Sept 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 08:24 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: `27c24fda62b601d6f9ca5e992502578c4310876f to before 50aae396dc30377bec8e3b181b8346f8fd38f7d8` (git)
  - affected: `27c24fda62b601d6f9ca5e992502578c4310876f to before 6e3840578aaad1a296aab1eaaa89ea3b7d5cbae1` (git)
  - affected: `27c24fda62b601d6f9ca5e992502578c4310876f to before d141d9b769bcd1b747898528c5023270cda040f2` (git)
  - affected: `27c24fda62b601d6f9ca5e992502578c4310876f to before 73cb063f5ec6ca51eb1e246c6d332563002ac277` (git)
  - affected: `27c24fda62b601d6f9ca5e992502578c4310876f to before 7199c78c3a3e399a4dc439d845826793880ccedc` (git)
  - affected: `27c24fda62b601d6f9ca5e992502578c4310876f to before 4e37f6452d586b95c346a9abdd2fb80b67794f39` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.15`
  - unaffected: `before 5.15` (semver)
  - unaffected: `5.15.212 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.178 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.145 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.97 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.40 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1 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

- 8.8 High, CVSS 3.1: `CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0040, the 35th percentile, on 14 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89774](https://www.cve.org/CVERecord?id=CVE-2026-89774)
- [NVD: CVE-2026-89774](https://nvd.nist.gov/vuln/detail/CVE-2026-89774)

### References from the CNA

- <https://git.kernel.org/stable/c/50aae396dc30377bec8e3b181b8346f8fd38f7d8>
- <https://git.kernel.org/stable/c/6e3840578aaad1a296aab1eaaa89ea3b7d5cbae1>
- <https://git.kernel.org/stable/c/d141d9b769bcd1b747898528c5023270cda040f2>
- <https://git.kernel.org/stable/c/73cb063f5ec6ca51eb1e246c6d332563002ac277>
- <https://git.kernel.org/stable/c/7199c78c3a3e399a4dc439d845826793880ccedc>
- <https://git.kernel.org/stable/c/4e37f6452d586b95c346a9abdd2fb80b67794f39>

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-2026-89774>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89774/>. Everything for agents: <https://agentprime.io/llms.txt>.