CVE-2022-50463
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/52xx: Fix a resource leak in an error handling path The error handling path of mpc52xx_lpbfifo_probe() has a request_irq() that is not balanced by a corresponding free_irq(). Add the missing call, as already done in the remove function.
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Meta Information
Published
2025-10-01
Last Modified
2025-10-02
Generated
2026-06-16
AI Q&A
2025-10-01
EPSS Evaluated
2026-06-15
NVD
CVE-2022-50463
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a resource leak in the Linux kernel's powerpc/52xx subsystem. Specifically, in the error handling path of the function mpc52xx_lpbfifo_probe(), a request_irq() call is made without a corresponding free_irq() call to release the resource. This means that when an error occurs, the interrupt request resource is not properly freed, potentially leading to resource exhaustion or instability. The fix involves adding the missing free_irq() call as is done in the remove function.

Impact Analysis

The resource leak caused by this vulnerability can lead to system instability or degraded performance because interrupt request resources are not properly released during error handling. Over time, this could exhaust available resources, potentially causing failures in handling interrupts or other kernel operations related to the powerpc/52xx subsystem.

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