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CVE-2022-50124: ASoC: mt6797-mt6351: Fix refcount leak in mt6797_mt6351_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: mt6797-mt6351: Fix refcount leak in mt6797_mt6351_dev_probe of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

Affected products

• Linux kernel: from 4.18 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; from 5.19 before 5.19.2 — fixed in 4.19.256, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 5.4.211

How to fix

Upgrade to a fixed version: Linux kernel 4.19.256, 5.10.137, 5.15.61, 5.18.18. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1042353bb67cd1c9109d7481ea182c7794336458
• https://git.kernel.org/stable/c/38dc6faef05f33b4c889be8b7d65878e465c1c4b
• https://git.kernel.org/stable/c/67a28402a9e8c229c7588f214d81d52903ea06ea
• https://git.kernel.org/stable/c/7472eb8d7dd12b6b9b1a4f4527719cc9c7f5965f
• https://git.kernel.org/stable/c/7dee72b1bcecb26bfff8d6360f2169f8656dbaf6
• https://git.kernel.org/stable/c/a0381a9f3e595988e83bac4c4dd1e45ed2b3c744
• https://git.kernel.org/stable/c/b488ceb2336905f071f80627bc8a7d657274e5de

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