VDB-297467 · CVE-2022-49150 · GCVE-0-2022-49150

Linux Kernel up to 5.17.1 of_find_compatible_node reference count

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Linux Kernel up to 5.17.1. Impacted is the function of_find_compatible_node. The manipulation leads to reference count. This vulnerability is uniquely identified as CVE-2022-49150. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.17.1. It has been rated as critical. This issue affects the function of_find_compatible_node. The manipulation with an unknown input leads to a reference count vulnerability. Using CWE to declare the problem leads to CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: rtc: gamecube: Fix refcount leak in gamecube_rtc_read_offset_from_sram The of_find_compatible_node() function returns a node pointer with refcount incremented, We should use of_node_put() on it when done Add the missing of_node_put() to release the refcount.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2022-49150 since 02/26/2025. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.17.2 eliminates this vulnerability. Applying the patch de66e4f28dfd11f954966c447b4430529ed040a2/4b2dc39ca024990abe36ad5d145c4fe0c06afd34 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Reference count
CWE: CWE-911 / CWE-664
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.17.2
Patch: de66e4f28dfd11f954966c447b4430529ed040a2/4b2dc39ca024990abe36ad5d145c4fe0c06afd34

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49150 (🔍)
GCVE (CVE): GCVE-0-2022-49150
GCVE (VulDB): GCVE-100-297467

Entryinfo

Created: 02/26/2025 11:46
Changes: 02/26/2025 11:46 (58)
Complete: 🔍
Cache ID: 216::103