CVE-2022-50810
Published Dec 30, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: rapidio: devices: fix missing put_device in mport_cdev_open When kfifo_alloc fails, the refcount of chdev->dev is left incremental. We should use put_device(&chdev->dev) to decrease the ref count of chdev->dev to avoid refcount leak.
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References
Other References
https://git.kernel.org/stable/c/162433a96079bfa5ec748c486b4570f138d04fb5
https://git.kernel.org/stable/c/53915ecc43c5139d6cdd1caa4fdc9290b9597008
https://git.kernel.org/stable/c/6e4540e0970030e140998ce8847f5f0171b5afa1
https://git.kernel.org/stable/c/a0d93aac54ce07a7cc71e90645d0cdabbda50450
https://git.kernel.org/stable/c/ae57222402bea455e60cc51d2f52ce73b63b7af8
https://git.kernel.org/stable/c/b596242585984b5f3085aa8f7a82c65640b384b6
https://git.kernel.org/stable/c/bb7397f6312d2cbf05e415676ed5b1655cb82a34
https://git.kernel.org/stable/c/d5b6e6eba3af11cb2a2791fa36a2524990fcde1a
https://git.kernel.org/stable/c/dfee9fe93dd34cd9d49520718f6ec2072de25e48
Frequently Asked Questions
What is CVE-2022-50810? +
In the Linux kernel, the following vulnerability has been resolved:
rapidio: devices: fix missing put_device in mport_cdev_open
When kfifo_alloc fails, the refcount of chdev->dev is left incremental.
We should use put_device(&chdev->dev) to decrease the ref count of
chdev->dev to avoid refcount leak.
How do I check if I'm vulnerable to CVE-2022-50810? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.