Threats tagged 'ghsa-p7rm-gj7v-32rv'

A vulnerability in the Linux kernel's framebuffer device (fbdev) subsystem involved missing handling of fbcon state updates during certain display mode changes. The issue was addressed by wrapping user-invoked calls to fb_set_var() in a helper function that ensures fbcon is properly checked and updated during mode changes. This fix prevents inconsistencies in hardware state and fbcon state maintenance, particularly affecting drivers like ps3fb and sh_mobile_lcdcfb.