Linux Kernel up to 5.16.14 ethernet xemaclite_of_probe reference count

Summaryinfo

A vulnerability classified as critical was found in Linux Kernel up to 5.16.14. This affects the function xemaclite_of_probe of the component ethernet. Executing a manipulation can lead to reference count. This vulnerability is tracked as CVE-2022-48860. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 5.16.14 and classified as critical. This vulnerability affects the function xemaclite_of_probe of the component ethernet. The manipulation with an unknown input leads to a reference count vulnerability. The CWE definition for the vulnerability is CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: ethernet: Fix error handling in xemaclite_of_probe This node pointer is returned by of_parse_phandle() with refcount incremented in this function. Calling of_node_put() to avoid the refcount leak. As the remove function do.

The advisory is available at git.kernel.org. This vulnerability was named CVE-2022-48860 since 07/16/2024. Technical details are known, but there is no available exploit.

Upgrading to version 4.9.307, 4.14.272, 4.19.235, 5.4.185, 5.10.106, 5.15.29 or 5.16.15 eliminates this vulnerability. Applying the patch 669172ce9766/b7220f8e9d6c/8609e29611be/8ee065a7a9b6/979b418b96e3/5e7c402892e1/1852854ee349/b19ab4b38b06 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

• 4.9.306
• 4.14.271
• 4.19.234
• 5.4.184
• 5.10.105
• 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
• 5.16.0
• 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

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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