CVE-2026-98781 drm/mediatek: Fix pdev reference leak in mtk_drm_bind()

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fix pdev reference leak in mtkdrmbind When the device is not the mmsys master, mtkdrmbind returns early after taking a reference on the disp-mutex device via offinddevicebynode, without ever dropping it: mtkdrmunbin...

CVE-2026-98781

The Linux kernel contains a pdev reference leak within the drm/mediatek driver. Specifically, the mtk_drm_bind() function incorrectly retains a reference on the disp-mutex device when called via of_find_device_by_node() for devices that are not the mmsys master . Because the reference is not drop...

Linux Kernel Security Vulnerabilities

The Linux kernel version 6.4 contains security vulnerabilities. These vulnerabilities stem from the mtkdrmbind function, which prematurely returns and does not release the disp-mutex device reference obtained through offinddevicebynode when handling non-mmsys primary devices. This can lead to...