CVE-2022-3640
kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 17, 2022
Updated · August 7, 2026
Description
A vulnerability was found in the Linux Kernel in the l2cap_conn_del in net/bluetooth/l2cap_core.c function in the Bluetooth component. This issue leads to a use-after-free problem.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 7.1CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-416 · Use After Free