CVE-2022-50834: nfc: Fix potential resource leaks

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-30 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: nfc: Fix potential resource leaks nfc_get_device() take reference for the device, add missing nfc_put_device() to release it when not need anymore. Also fix the style warnning by use error EOPNOTSUPP instead of ENOTSUPP.

Affected products

Linux kernel: 3.13 — fixed in 6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/277f0d0a9084e7454e5532c823a7a876a7b00af7
https://git.kernel.org/stable/c/a743128fca394a43425020a4f287d3168d94d04f
https://git.kernel.org/stable/c/b32f6bef248562bb5191ada527717ea50b319466
https://git.kernel.org/stable/c/b63bc2db244c1b57e36f16ea5f2a1becda413f68
https://git.kernel.org/stable/c/d1d912e7f82d7216ba4e266048ec1d1f5ea93839
https://git.kernel.org/stable/c/d8e410315ad393b23520b5db0706be853589c548
https://git.kernel.org/stable/c/df49908f3c52d211aea5e2a14a93bbe67a2cb3af
https://git.kernel.org/stable/c/e0f5c962c066e769c187f037fedc883f8abd4e82

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