CVE-2022-50463
BaseFortify
Publication date: 2025-10-01
Last updated on: 2025-10-02
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.