CVE-2022-50810

rapidio: devices: fix missing put_device in mport_cdev_open

State: Published
Severity: Not scored
Published: Dec 30, 2025
Updated: May 11, 2026
Reserved: Dec 30, 2025

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	e8de370188d098bb49483c287b44925957c3c9b6 to before 6e4540e0970030e140998ce8847f5f0171b5afa1Affected e8de370188d098bb49483c287b44925957c3c9b6 to before ae57222402bea455e60cc51d2f52ce73b63b7af8Affected e8de370188d098bb49483c287b44925957c3c9b6 to before dfee9fe93dd34cd9d49520718f6ec2072de25e48Affected e8de370188d098bb49483c287b44925957c3c9b6 to before bb7397f6312d2cbf05e415676ed5b1655cb82a34Affected e8de370188d098bb49483c287b44925957c3c9b6 to before 53915ecc43c5139d6cdd1caa4fdc9290b9597008Affected e8de370188d098bb49483c287b44925957c3c9b6 to before a0d93aac54ce07a7cc71e90645d0cdabbda50450Affected e8de370188d098bb49483c287b44925957c3c9b6 to before 162433a96079bfa5ec748c486b4570f138d04fb5Affected e8de370188d098bb49483c287b44925957c3c9b6 to before b596242585984b5f3085aa8f7a82c65640b384b6Affected e8de370188d098bb49483c287b44925957c3c9b6 to before d5b6e6eba3af11cb2a2791fa36a2524990fcde1aAffected
LinuxLinux	4.6Affected before 4.6Not affected 4.9.337 through 4.9.Not affected 4.14.303 through 4.14.Not affected 4.19.270 through 4.19.Not affected 5.4.229 through 5.4.Not affected 5.10.163 through 5.10.Not affected 5.15.86 through 5.15.Not affected 6.0.16 through 6.0.Not affected 6.1.2 through 6.1.Not affected 6.2 and laterNot affected

Product

Versions

LinuxLinux

e8de370188d098bb49483c287b44925957c3c9b6 to before 6e4540e0970030e140998ce8847f5f0171b5afa1Affected
e8de370188d098bb49483c287b44925957c3c9b6 to before ae57222402bea455e60cc51d2f52ce73b63b7af8Affected
e8de370188d098bb49483c287b44925957c3c9b6 to before dfee9fe93dd34cd9d49520718f6ec2072de25e48Affected
e8de370188d098bb49483c287b44925957c3c9b6 to before bb7397f6312d2cbf05e415676ed5b1655cb82a34Affected
e8de370188d098bb49483c287b44925957c3c9b6 to before 53915ecc43c5139d6cdd1caa4fdc9290b9597008Affected
e8de370188d098bb49483c287b44925957c3c9b6 to before a0d93aac54ce07a7cc71e90645d0cdabbda50450Affected
e8de370188d098bb49483c287b44925957c3c9b6 to before 162433a96079bfa5ec748c486b4570f138d04fb5Affected
e8de370188d098bb49483c287b44925957c3c9b6 to before b596242585984b5f3085aa8f7a82c65640b384b6Affected
e8de370188d098bb49483c287b44925957c3c9b6 to before d5b6e6eba3af11cb2a2791fa36a2524990fcde1aAffected

LinuxLinux

4.6Affected
before 4.6Not affected
4.9.337 through 4.9.*Not affected
4.14.303 through 4.14.*Not affected
4.19.270 through 4.19.*Not affected
5.4.229 through 5.4.*Not affected
5.10.163 through 5.10.*Not affected
5.15.86 through 5.15.*Not affected
6.0.16 through 6.0.*Not affected
6.1.2 through 6.1.*Not affected
6.2 and laterNot affected

References

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