Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails

Scope

What the vendor says is affected

• azl3 kernel 6.6.134.1-2 on Azure Linux 3.0

Timeline

When this advisory changed

1. May 2, 2026 at 1:03 AM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Sep 27, 2026 at 11:11 PM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-43021View CVSS, KEV, EPSS, and threat context