CVE-2026-43021

Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails

published May 1, 2026

CVSS
—
EPSS
0%
Percentile
3.3
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails

When hci_cmd_sync_queue_once() returns with error, the destroy callback

will not be called.

Fix leaking references / memory on these failures.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00143 · 3.3th percentile
Published
2026-05-01T14:15Z
EPSS history
Timeline
  • 01 MAY 14:15Z
    Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails
    cvelistv5