CVE Database›Document archive›CVE-2022-48878

CVE-2022-48878

kernel: Bluetooth: hci_qca: Fix driver shutdown on closed serdev

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · August 21, 2024

Updated · August 4, 2026

Description

A vulnerability was found in the Linux kernel's bluetooth driver hci_qca.c. If the driver's shutdown callback is invoked while the HCI device is not open, it may cause a use-after-free situation and potentially lead to a kernel panic during system reboot.

Statement

Red Hat Enterprise Linux is not impacted by this CVE, as this vulnerability does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue and no further action or mitigation is necessary for systems running this operating system.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-416 · Use After Free