Arbitrary code execution in Linux kernel Bluetooth

Published: 2022-11-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-3565
Exploitation vector Local
Public exploit N/A
Vulnerable software
Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU69709

Risk: Low


CVE-ID: CVE-2022-3565

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No


The vulnerability allows an attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the del_timer() function in drivers/isdn/mISDN/l1oip_core.c in the Bluetooth component. An attacker with physical proximity to device can trigger memory corruption and execute arbitrary code on the target system.


Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?