Linux Kernel Vulnerability in AMD Display Driver

CVE-2026-80705

What is CVE-2026-80705?

A vulnerability in the Linux kernel's AMD display driver arises from an oversight in the allocation check for the phantom plane in the dml21_add_phantom_plane() function, which may lead to a segmentation fault if the allocation fails. This flaw highlights the necessity for robust memory management and proper error handling in driver development, ensuring stability and preventing potential crashes.

References