CVE-2026-43477

A flaw was found in the Linux kernel. Incorrectly configuring Variable Refresh Rate VRR timings before enabling display functionality can cause the system to hang. This issue, which may occur with certain display setups, can lead to a complete system freeze, resulting in a denial of service...

CVE-2026-43477

In the Linux kernel, the following vulnerability has been resolved: drm/i915/vrr: Configure VRR timings after enabling TRANSDDIFUNCCTL Apparently ICL may hang with an MCE if we write TRANSVRRVMAX/FLIPLINE before enabling TRANSDDIFUNCCTL. Personally I was only able to reproduce a hang on an Dell X...