CVE Database›Document archive›CVE-2022-48775

CVE-2022-48775

kernel: Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 16, 2024

Updated · November 21, 2025

Description

A flaw was found in the Linux kernel's Hyper-V VMBus driver, which involved a memory leak caused by improper handling of the kobject_init_and_add() function in vmbus_add_channel_kobj(). When this function fails, it still references the kobject, which must be released by calling kobject_put().

Statement

Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.

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 do not 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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-402 · Transmission of Private Resources into a New Sphere ('Resource Leak')