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CVE-2022-50810

rapidio: devices: fix missing put_device in mport_cdev_open PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected e8de370188d098bb49483c287b44925957c3c9b6 before 6e4540e0970030e140998ce8847f5f0171b5afa1; affected e8de370188d098bb49483c287b44925957c3c9b6 before ae57222402bea455e60cc51d2f52ce73b63b7af8; affected e8de370188d098bb49483c287b44925957c3c9b6 before dfee9fe93dd34cd9d49520718f6ec2072de25e48; affected e8de370188d098bb49483c287b44925957c3c9b6 before bb7397f6312d2cbf05e415676ed5b1655cb82a34; affected e8de370188d098bb49483c287b44925957c3c9b6 before 53915ecc43c5139d6cdd1caa4fdc9290b9597008; affected e8de370188d098bb49483c287b44925957c3c9b6 before a0d93aac54ce07a7cc71e90645d0cdabbda50450; affected e8de370188d098bb49483c287b44925957c3c9b6 before 162433a96079bfa5ec748c486b4570f138d04fb5; affected e8de370188d098bb49483c287b44925957c3c9b6 before b596242585984b5f3085aa8f7a82c65640b384b6; affected e8de370188d098bb49483c287b44925957c3c9b6 before d5b6e6eba3af11cb2a2791fa36a2524990fcde1a
Linux / Linuxaffected 4.6; unaffected 0 before 4.6; unaffected 4.9.337 through 4.9.*; unaffected 4.14.303 through 4.14.*; unaffected 4.19.270 through 4.19.*; unaffected 5.4.229 through 5.4.*; unaffected 5.10.163 through 5.10.*; unaffected 5.15.86 through 5.15.*; unaffected 6.0.16 through 6.0.*; unaffected 6.1.2 through 6.1.*; unaffected 6.2 through *

CWE

No CWE identifiers supplied.

References