CVE-2022-42896: Linux Kernel

High severity, CVSS 8.8. EPSS: 2.1% chance of exploitation in the next 30 days.

There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit  https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url

Affected products

• Linux Linux Kernel: before 4.9.335 (fixed in 4.9.335); from 4.10, before 4.14.301 (fixed in 4.14.301); from 4.15, before 4.19.268 (fixed in 4.19.268); from 4.20, before 5.4.226 (fixed in 5.4.226); from 5.5, before 5.10.154 (fixed in 5.10.154); from 5.11, before 5.15.78 (fixed in 5.15.78); …

Published 2022-11-23. Last modified 2026-06-17.