CVE-2026-80692

Updated on 28 Aug 2026

Severity

8.8 High severity

Details

CVSS score
8.8
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Overview

About vulnerability

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

Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks

There is theoretical UAF if the conn is freed while the hci_sync task is running.

Hold refcount to avoid that.

Details

Affected product:
Debian 10 ELS
Affected packages:
linux @ 4.19.0

Fixes