Buffer overflow in Linux kernel - CVE-2022-49138
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104804
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49138
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the hci_conn_complete_evt(), hci_sync_conn_complete_evt() and le_conn_complete_evt() functions in net/bluetooth/hci_event.c, within the hci_conn_add() function in net/bluetooth/hci_conn.c. A local user can escalate privileges on the system.
How to mitigate CVE-2022-49138
Install update from vendor's website.