Linux Kernel Vulnerability Enables Passwordless Root Through DRM Render Nodes

A newly patched Linux kernel vulnerability, tracked as CVE-2026-46215, allowed any local user with access to a GPU render node to escalate privileges to root, without requiring any special permissions. The flaw affected mainline kernels from v6.18-rc1 through the fix, and was reported to security@kernel.org on 12 April 2026, with a patch landing in late […] The post Linux Kernel Vulnerability Enables Passwordless Root Through DRM Render Nodes appeared first on Cyber Security News.