Linux Kernel up to 5.17.2 dpaa2_ptp_probe of_find_compatible_node reference count

Summaryinfo

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 problematic. This issue affects the function of_find_compatible_node of the component dpaa2_ptp_probe. The manipulation results in reference count. This vulnerability was named CVE-2022-49088. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 5.4.188/5.10.110/5.15.33/5.16.19/5.17.2. Affected is the function of_find_compatible_node of the component dpaa2_ptp_probe. The manipulation with an unknown input leads to a reference count vulnerability. CWE is classifying the issue as CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. This is going to have an impact on availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: dpaa2-ptp: Fix refcount leak in dpaa2_ptp_probe This node pointer is returned by of_find_compatible_node() with refcount incremented. Calling of_node_put() to aovid the refcount leak.

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2022-49088 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 fbe5f4c0dd3475178f17ddd8b8d5044ebeae0be7/ebd1e3458dbf6643aa0272da398cb5b537d492b7/599874bbc4ed832ccb578d48ac0ae7344382ef43/46d120f7c163706d6c31ee00baa0be64c4572b78/45fdd98b70142521739615ad1bfb760401863b73/2b04bd4f03bba021959ca339314f6739710f0954 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

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CPE 2.2info

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Exploitinginfo

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Entryinfo

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