CVE Database›CVE-2022-3640

CVE-2022-3640

kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c

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Severity

Moderate

Red Hat Product Security

7.1

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 · 7.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-416 · Use After Free