# Bluetooth: MGMT: free the HCI command when it is cancelled

CVE record · `CVE-2026-90252`

- **Identifiers:** `CVE-2026-90252`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 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: `827af4787e74e8df9e8e0677a69fbb15e0856d2f to before e0cd7b34dc6b5414cac3d4cd376f73d3e9ffbd93` (git)
  - affected: `827af4787e74e8df9e8e0677a69fbb15e0856d2f to before 481533b03985177ddc805e0bd12fc07e7adf9040` (git)
  - affected: `827af4787e74e8df9e8e0677a69fbb15e0856d2f to before 414b365ecea6c30357adee6b8a7c5edc03a03575` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.13`
  - unaffected: `before 6.13` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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:** 0.0021, the 10th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90252](https://www.cve.org/CVERecord?id=CVE-2026-90252)
- [NVD: CVE-2026-90252](https://nvd.nist.gov/vuln/detail/CVE-2026-90252)

### References from the CNA

- <https://git.kernel.org/stable/c/e0cd7b34dc6b5414cac3d4cd376f73d3e9ffbd93>
- <https://git.kernel.org/stable/c/481533b03985177ddc805e0bd12fc07e7adf9040>
- <https://git.kernel.org/stable/c/414b365ecea6c30357adee6b8a7c5edc03a03575>

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-2026-90252>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90252/>. Everything for agents: <https://agentprime.io/llms.txt>.