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CVE-2022-50463
powerpc/52xx: Fix a resource leak in an error handling path
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.

INFO

Published Date :

Oct. 1, 2025, 12:15 p.m.

Last Modified :

Oct. 2, 2025, 7:12 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2022-50463 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Fix resource leak by adding missing interrupt handler cleanup.
  • Add the missing free_irq() call in the error path.
  • Ensure interrupt handlers are properly freed.
  • Apply the kernel patch for powerpc/52xx.
  • Update the Linux kernel.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-50463.

URL Resource
https://git.kernel.org/stable/c/0accd460dc7bbe5f55e41a8867c63db9d07b3ec8
https://git.kernel.org/stable/c/40b4be399e0db7073dec5a0de5ca9994f7e31e58
https://git.kernel.org/stable/c/5836947613ef33d311b4eff6a32d019580a214f5
https://git.kernel.org/stable/c/9bf842ffdd216b9f94d5b051b5d8b815f2426538
https://git.kernel.org/stable/c/be9caf2c936f15a9c3f9111e62bdde6357312f90
https://git.kernel.org/stable/c/cbda93665a3857324f5c79e45769a83c78183199
https://git.kernel.org/stable/c/e4002f293e5b44e57d2930513cca0dff32249812
https://git.kernel.org/stable/c/f4ad0a7f0e78d65d38921ab2bef234e49be78b10
https://git.kernel.org/stable/c/fb3ef6a5af4b003502c940ea50c0f55b06ebbfc9
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-50463 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-50463 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-50463 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-50463 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 01, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/0accd460dc7bbe5f55e41a8867c63db9d07b3ec8
    Added Reference https://git.kernel.org/stable/c/40b4be399e0db7073dec5a0de5ca9994f7e31e58
    Added Reference https://git.kernel.org/stable/c/5836947613ef33d311b4eff6a32d019580a214f5
    Added Reference https://git.kernel.org/stable/c/9bf842ffdd216b9f94d5b051b5d8b815f2426538
    Added Reference https://git.kernel.org/stable/c/be9caf2c936f15a9c3f9111e62bdde6357312f90
    Added Reference https://git.kernel.org/stable/c/cbda93665a3857324f5c79e45769a83c78183199
    Added Reference https://git.kernel.org/stable/c/e4002f293e5b44e57d2930513cca0dff32249812
    Added Reference https://git.kernel.org/stable/c/f4ad0a7f0e78d65d38921ab2bef234e49be78b10
    Added Reference https://git.kernel.org/stable/c/fb3ef6a5af4b003502c940ea50c0f55b06ebbfc9
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.