CVE-2022-50810

rapidio: devices: fix missing put_device in mport_cdev_open

N/A

Published: December 30, 2025 at 12:08 PM UTC

Updated: June 17, 2026 at 05:24 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.6 ≤ v < 4.14.3034.6 ≤ v < 4.19.2704.6 ≤ v < 4.9.3374.6 ≤ v < 5.10.1634.6 ≤ v < 5.15.864.6 ≤ v < 5.4.2294.6 ≤ v < 6.0.164.6 ≤ v < 6.1.24.6 ≤ v < 6.24.6e8de370188d098bb49483c287b44925957c3c9b6

Vendor states this is fixed in 162433a96079bfa5ec748c486b4570f138d04fb5 (fixed)

Vendor states this is fixed in 53915ecc43c5139d6cdd1caa4fdc9290b9597008 (fixed)

Vendor states this is fixed in 6e4540e0970030e140998ce8847f5f0171b5afa1 (fixed)

Vendor states this is fixed in a0d93aac54ce07a7cc71e90645d0cdabbda50450 (fixed)

Vendor states this is fixed in ae57222402bea455e60cc51d2f52ce73b63b7af8 (fixed)

Vendor states this is fixed in b596242585984b5f3085aa8f7a82c65640b384b6 (fixed)

Vendor states this is fixed in bb7397f6312d2cbf05e415676ed5b1655cb82a34 (fixed)

Vendor states this is fixed in d5b6e6eba3af11cb2a2791fa36a2524990fcde1a (fixed)

Vendor states this is fixed in dfee9fe93dd34cd9d49520718f6ec2072de25e48 (fixed)

Vendor states this is fixed in 4.14.303 (unaffected)

Vendor states this is fixed in 4.19.270 (unaffected)

Vendor states this is fixed in 4.6 (unaffected)