CVE-2025-68196

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Cache streams targeting link when performing LT automation

[WHY] Last LT automation update can cause crash by referencing current_state and calling into dc_update_planes_and_stream which may clobber current_state.

[HOW] Cache relevant stream pointers and iterate through them instead of relying on the current_state.