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CVE-2022-50122: ASoC: mediatek: mt8173-rt5650: Fix refcount leak in mt8173_rt5650_dev_probe

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-18 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8173-rt5650: Fix refcount leak in mt8173_rt5650_dev_probe of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Fix refcount leak in some error paths.

Affected products

• Linux kernel: from 4.6 before 4.14.291; from 4.15 before 4.19.256; from 4.20 before 5.4.211; from 5.5 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18 — fixed in 4.14.291, 4.19.256, 5.10.137, 5.15.61, 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 4.14.291, 4.19.256, 5.10.137, 5.15.61. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/06ace427953f5036b64aed658f0055f65d76fd27
• https://git.kernel.org/stable/c/403d46971936f9f704b91cecffe66e44aa39e915
• https://git.kernel.org/stable/c/5ec83aa7a9e5bcca80ccd49978916feb4e0ffc07
• https://git.kernel.org/stable/c/79f566907d27abbd7600cebe51def5081d5796b5
• https://git.kernel.org/stable/c/994f2edeeb2114bb22b62741cb8fb030fc7e5441
• https://git.kernel.org/stable/c/e024a24fb264523149658c10c76bb363b3d0004d
• https://git.kernel.org/stable/c/e38e4952ac7a316c9002af30980d6aa850214474
• https://git.kernel.org/stable/c/efe2178d1a32492f99e7f1f2568eea5c88a85729

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