CVE-2022-49139: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt This event is just specified for SCO and eSCO link types. On the reception of a HCI_Synchronous_Connection_Complete for a BDADDR of an existing LE connection, LE link type and a status that triggers the second case of the packet processing a NULL pointer dereference happens, as conn->link is NULL.

Affected products

• Linux Linux Kernel: before 5.4.231 (fixed in 5.4.231); from 5.5, before 5.10.167 (fixed in 5.10.167); from 5.11, before 5.15.92 (fixed in 5.15.92); from 5.16, before 5.17.3 (fixed in 5.17.3)

Published 2025-02-26. Last modified 2026-06-17.