What’s Vulnerable › Vulnerabilities

CVE-2022-50443: drm/rockchip: lvds: fix PM usage counter unbalance in poweron

• 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: 2025-10-01 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: lvds: fix PM usage counter unbalance in poweron pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. We fix it by replacing it with the newest pm_runtime_resume_and_get to keep usage counter balanced.

Affected products

• Linux kernel: from 4.15 before 5.10.163; from 5.11 before 5.15.86; from 5.16 before 6.0.16; from 6.1 before 6.1.2 — fixed in 5.10.163, 5.15.86, 6.0.16, 6.1.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.163, 5.15.86, 6.0.16, 6.1.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/110bf15825edf4f20bc4e56aba624297861b06ab
• https://git.kernel.org/stable/c/12a9b4c4ebd9a0ba856370e088564af83cffd565
• https://git.kernel.org/stable/c/4dba27f1a14592ac4cf71c3bc1cc1fd05dea8015
• https://git.kernel.org/stable/c/589a911980b730feadb9c430bc0747a118b04dd8
• https://git.kernel.org/stable/c/f6ed73db390319b248b91a6325da1a48ad85e0d1

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