CVE-2026-43021

medium

Description

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.

References

https://git.kernel.org/stable/c/aca377208e7f7322bf4e107cdec6e7d7e8aa7a88

https://git.kernel.org/stable/c/7fd74178d4b16dcf47179da634ea9d7c02e3608b

Details

Source: Mitre, NVD

Published: 2026-05-01

Updated: 2026-05-08

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018