Linux Kernel up to 5.17.2 ill_acc_of_setup reference count

Summaryinfo

A vulnerability described as critical has been identified in Linux Kernel up to 5.4.188/5.10.110/5.15.33/5.16.19/5.17.2. This issue affects the function ill_acc_of_setup. Such manipulation leads to reference count. This vulnerability is traded as CVE-2022-49117. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.4.188/5.10.110/5.15.33/5.16.19/5.17.2 and classified as critical. Affected by this issue is the function ill_acc_of_setup. 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. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: mips: ralink: fix a refcount leak in ill_acc_of_setup() of_node_put(np) needs to be called when pdev == NULL.

The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2022-49117 since 02/26/2025. Technical details are known, but there is no available exploit.

Upgrading to version 5.4.189, 5.10.111, 5.15.34, 5.16.20 or 5.17.3 eliminates this vulnerability. Applying the patch 060a485df4ec1183d543317511cb4caa43468b5d/142ae7d4f21524acfe073e5a3da5667aa85eb970/5fb47ca3490813d3884d8ad0b2ce511aa3537551/8d7f7ef7980f287ace1c15f2ac03d6754e12f071/c74c755daed551b9aceb8388159180861474bdfe/4a0a1436053b17e50b7c88858fb0824326641793 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 best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.4.188
• 5.10.110
• 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
• 5.16.0
• 5.16.1
• 5.16.2
• 5.16.3
• 5.16.4
• 5.16.5
• 5.16.6
• 5.16.7
• 5.16.8
• 5.16.9
• 5.16.10
• 5.16.11
• 5.16.12
• 5.16.13
• 5.16.14
• 5.16.15
• 5.16.16
• 5.16.17
• 5.16.18
• 5.16.19
• 5.17.0
• 5.17.1
• 5.17.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion