Refcount Leak in Linux Kernel CXL Component
CVE-2022-50311

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 15 September 2025

What is CVE-2022-50311?

A refcount leak has been found in the CXL component of the Linux kernel. The issue arises during the execution of the of_get_next_parent() function, which increments the reference count of a node pointer but fails to properly release it with of_node_put() in certain error conditions. This oversight can lead to memory management issues and might result in resource exhaustion. Proper remediation involves adding the missing of_node_put() calls to avert the refcount leak, enhancing the overall stability and security of the kernel's operation.

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