CVE-2022-48634

In the Linux kernel, the following vulnerability has been resolved: drm/gma500: Fix BUG: sleeping function called from invalid context errors gmacrtcpageflip was holding the eventlock spinlock while calling crtcfuncs-modesetbase which takes wwmutex. The only reason to hold eventlock is to clear...

CVE-2022-48634

The Linux kernel contains a vulnerability in the drm/gma500 component where the gma_crtc_page_flip() function incorrectly held the event_lock spinlock while calling crtc_funcs->mode_set_base(), which requires the ww_mutex. This improper locking context resulted in a BUG: sleeping function call...