CVE-2022-48775

Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj kobject_init_and_add() takes reference even when it fails.
According to the doc of kobject_init_and_add()： If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix memory leak by calling kobject_put().

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add()： If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix memory leak by calling kobject_put().

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-06-20 CVE Reserved
2024-07-16 CVE Published
2024-12-19 CVE Updated
2025-03-21 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (7)

URL	Tag	Source
https://git.kernel.org/stable/c/c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c	Vuln. Introduced

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/417947891bd5ae327f15efed1a0da2b12ef24962	2022-02-23
https://git.kernel.org/stable/c/fe595759c2a4a5bb41c438474f15947d8ae32f5c	2022-02-23
https://git.kernel.org/stable/c/91d8866ca55232d21995a3d54fac96de33c9e20c	2022-02-23
https://git.kernel.org/stable/c/c377e2ba78d3fe9a1f0b4ec424e75f81da7e81e9	2022-02-23
https://git.kernel.org/stable/c/92e25b637cd4e010f776c86e4810300e773eac5c	2022-02-23
https://git.kernel.org/stable/c/8bc69f86328e87a0ffa79438430cc82f3aa6a194	2022-02-07

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.15 < 4.19.231 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 4.19.231"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.15 < 5.4.181 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 5.4.181"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.15 < 5.10.102 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 5.10.102"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.15 < 5.15.25 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 5.15.25"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.15 < 5.16.11 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 5.16.11"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.15 < 5.17 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 5.17"		en		Affected