CVE-2022-49139

MEDIUM

Linux Kernel - Null Pointer Dereference in Bluetooth HCI Sync Connection Event Handler

Title source: llm
STIX 2.1

Description

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.

References (5)

Core 5

Scores

CVSS v3 5.5
EPSS 0.0024
EPSS Percentile 15.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (17)
linux/Kernel 2.6.30 - 5.4.231linux
linux/Kernel 5.11.0 - 5.15.92linux
linux/Kernel 5.16.0 - 5.17.3linux
linux/Kernel 5.5.0 - 5.10.167linux
Linux/Linux < 2.6.30
Linux/Linux 2.6.30
Linux/Linux 5.10.167 - 5.10.*
Linux/Linux 5.15.92 - 5.15.*
Linux/Linux 5.17.3 - 5.17.*
Linux/Linux 5.18
... and 7 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026