In the Linux kernel, the following vulnerability has been resolved:drm/amd/display: Check link_res->hpo_dp_link_enc before using it[WHAT & HOW]Functions dp_enable_link_phy and dp_disable_link_phy can pass link_reswithout initializing hpo_dp_link_enc and it is necessary to check fornull before dereferencing.This fixes 2 FORWARD_NULL issues reported by Coverity.
No PoCs from references.
- https://github.com/w4zu/Debian_security