Summaryinfo

A vulnerability was found in Linux Kernel up to 5.15.45/5.17.13/5.18.2. It has been rated as critical. This issue affects the function of_find_node_by_name. The manipulation leads to reference count. This vulnerability is traded as CVE-2022-49466. There is no exploit available. Upgrading the affected component is advised. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.15.45/5.17.13/5.18.2 and classified as critical. This issue affects the function of_find_node_by_name. 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: regulator: scmi: Fix refcount leak in scmi_regulator_probe of_find_node_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2022-49466 since 02/26/2025. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.15.46, 5.17.14 or 5.18.3 eliminates this vulnerability. Applying the patch 9ebbfa73d69909b7c737f599fd4ebd42318fc881/299a002161c7bfb72e99ba45e5b660aecc344ea0/4a59c763ef9b68c711dc2fd2ef4a6648da5480ee/68d6c8476fd4f448e70e0ab31ff972838ac41dae 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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.15.0
• 5.15.1
• 5.15.2
• 5.15.3
• 5.15.4
• 5.15.5
• 5.15.6
• 5.15.7
• 5.15.8
• 5.15.9
• 5.15.10
• 5.15.11
• 5.15.12
• 5.15.13
• 5.15.14
• 5.15.15
• 5.15.16
• 5.15.17
• 5.15.18
• 5.15.19
• 5.15.20
• 5.15.21
• 5.15.22
• 5.15.23
• 5.15.24
• 5.15.25
• 5.15.26
• 5.15.27
• 5.15.28
• 5.15.29
• 5.15.30
• 5.15.31
• 5.15.32
• 5.15.33
• 5.15.34
• 5.15.35
• 5.15.36
• 5.15.37
• 5.15.38
• 5.15.39
• 5.15.40
• 5.15.41
• 5.15.42
• 5.15.43
• 5.15.44
• 5.15.45
• 5.17.0
• 5.17.1
• 5.17.2
• 5.17.3
• 5.17.4
• 5.17.5
• 5.17.6
• 5.17.7
• 5.17.8
• 5.17.9
• 5.17.10
• 5.17.11
• 5.17.12
• 5.17.13
• 5.18.0
• 5.18.1
• 5.18.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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