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.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 4.15 | 5.10.163 |
| linux / linux_kernel | 5.11 | 5.15.86 |
| linux / linux_kernel | 5.16 | 6.0.16 |
| linux / linux_kernel | 6.1 | 6.1.2 |