CVE-2022-50443

drm/rockchip: lvds: fix PM usage counter unbalance in poweron

MEDIUM

5.5

CVSS Score

Published: October 1, 2025 at 11:42 AM UTC

Updated: June 17, 2026 at 05:23 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.15 ≤ v < 5.10.1634.15 ≤ v < 5.15.864.15 ≤ v < 6.0.164.15 ≤ v < 6.1.24.15 ≤ v < 6.25.11 ≤ v < 5.15.865.16 ≤ v < 6.0.166.1 ≤ v < 6.1.234cc0aa2545603560c79aaea3340d8ff3a71bd104.15

Vendor states this is fixed in 110bf15825edf4f20bc4e56aba624297861b06ab (fixed)

Vendor states this is fixed in 12a9b4c4ebd9a0ba856370e088564af83cffd565 (fixed)

Vendor states this is fixed in 4dba27f1a14592ac4cf71c3bc1cc1fd05dea8015 (fixed)

Vendor states this is fixed in 589a911980b730feadb9c430bc0747a118b04dd8 (fixed)

Vendor states this is fixed in f6ed73db390319b248b91a6325da1a48ad85e0d1 (fixed)

Vendor states this is fixed in 4.15 (unaffected)

Vendor states this is fixed in 5.10.163 (unaffected)

Vendor states this is fixed in 5.15.86 (unaffected)

Vendor states this is fixed in 6.0.16 (unaffected)

Vendor states this is fixed in 6.1.2 (unaffected)

Vendor states this is fixed in 6.2 (unaffected)