What’s Vulnerable › Vulnerabilities

CVE-2022-50184: drm/meson: encoder_hdmi: Fix refcount leak in meson_encoder_hdmi_init

• 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: drm/meson: encoder_hdmi: Fix refcount leak in meson_encoder_hdmi_init of_graph_get_remote_node() returns remote device nodepointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

Affected products

• Linux kernel: from 5.15.33 before 5.15.61; from 5.16.19 before 5.18.18; from 5.19 before 5.19.2 — fixed in 5.15.61, 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 5.15.61, 5.18.18, 5.19.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/013e67e7dd898170cbf54981cf1ed7616f822566
• https://git.kernel.org/stable/c/275fed7142fff5b27e176e53508196715043de5c
• https://git.kernel.org/stable/c/994bc82df85564d948037f1dfdd47c907e8a084b
• https://git.kernel.org/stable/c/d82a5a4aae9d0203234737caed1bf470aa317568

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