CVE-2026-43243

About vulnerability

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add signal type check for dcn401 get_phyd32clk_src Trying to access link enc on a dpia link will cause a crash otherwise A flaw was found in the drm/amd/display component of the Linux kernel. A missing signal type check in the dcn401 get_phyd32clk_src function, when attempting to access link encoder (link enc) on a DisplayPort Interoperability and Compliance Association (DPIA) link, can lead to a system crash. This vulnerability could result in a Denial of Service (DoS).

Live-patch status from KernelCare for each operating system.