# Bluetooth: ISO: fix use-after-free of listener socket in iso_conn_ready

CVE record · `CVE-2026-80914`

- **Identifiers:** `CVE-2026-80914`
- **State:** Confirmed
- **Severity:** CVSS 8.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 9 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 9 Sept 2026, 16:10 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: `ccf74f2390d60a2f9a75ef496d2564abb478f46a to before 1702f12cf59a1c3b670eb6bb4a4d6fcccf07e3b8` (git)
  - affected: `ccf74f2390d60a2f9a75ef496d2564abb478f46a to before d47b8f8c02a3d3f282693e5a4ff1f6b4b00518de` (git)
  - affected: `ccf74f2390d60a2f9a75ef496d2564abb478f46a to before 2387cd06a2c0b416f05028b02bba1089f54c28d9` (git)
  - affected: `ccf74f2390d60a2f9a75ef496d2564abb478f46a to before 49fd7116f76b860b230843700fb7423ab5331e1f` (git)
  - affected: `ccf74f2390d60a2f9a75ef496d2564abb478f46a to before 03288b7447c9e572f8ab82fc29cfb4ca719ab210` (git)
  - affected: `ccf74f2390d60a2f9a75ef496d2564abb478f46a to before 560bef609fa5992745929e8d7d458b9d88dd2830` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.0`
  - unaffected: `before 6.0` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.109 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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

- 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:** 0.0037, the 31st 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 9 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80914](https://www.cve.org/CVERecord?id=CVE-2026-80914)
- [NVD: CVE-2026-80914](https://nvd.nist.gov/vuln/detail/CVE-2026-80914)

### References from the CNA

- <https://git.kernel.org/stable/c/1702f12cf59a1c3b670eb6bb4a4d6fcccf07e3b8>
- <https://git.kernel.org/stable/c/d47b8f8c02a3d3f282693e5a4ff1f6b4b00518de>
- <https://git.kernel.org/stable/c/2387cd06a2c0b416f05028b02bba1089f54c28d9>
- <https://git.kernel.org/stable/c/49fd7116f76b860b230843700fb7423ab5331e1f>
- <https://git.kernel.org/stable/c/03288b7447c9e572f8ab82fc29cfb4ca719ab210>
- <https://git.kernel.org/stable/c/560bef609fa5992745929e8d7d458b9d88dd2830>

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-2026-80914>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80914/>. Everything for agents: <https://agentprime.io/llms.txt>.