What’s Vulnerable › Vulnerabilities

CVE-2022-50123: ASoC: mediatek: mt8173: Fix refcount leak in mt8173_rt5650_rt5676_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: Fix refcount leak in mt8173_rt5650_rt5676_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 missing of_node_put() in error paths.

Affected products

• Linux kernel: from 4.2.1 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/540c7b7385fb110740703888b4b2bbfa06c7f79c
• https://git.kernel.org/stable/c/58567ed2878f70e0ded242cb529fb4a7618ea9f8
• https://git.kernel.org/stable/c/769399bce8825e1dcc5050dab78e15ab578baf4f
• https://git.kernel.org/stable/c/aa1214ece37944e4dbbb5cfb1d02bf37e4d89b02
• https://git.kernel.org/stable/c/aa668f8e93199cda8fa1612eb49ff70f5ecd8c92
• https://git.kernel.org/stable/c/ae4f11c1ed2d67192fdf3d89db719ee439827c11
• https://git.kernel.org/stable/c/d6d41f04640db0f946e2c3f7963bb2774afc7a0d
• https://git.kernel.org/stable/c/fab5eb31819a2693b0c3d6f3df6a0d193af9a089

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