cve 2026-46218

CVE-2026-46218 is a Linux kernel vulnerability in AMD's amdgpu graphics driver, disclosed by kernel.org on May 28, 2026. The flaw affects UVD, VCE, and VCN video paths, which could access indirect buffers at fixed offsets without verifying the buffer size, potentially leading to out-of-bounds access. While this is not a Windows vulnerability, it is relevant for WindowsForum readers who run Linux on AMD hardware, maintain dual-boot systems, manage Linux servers, or use GPU-backed virtualization. The issue highlights that GPU drivers are now a critical part of the operating system attack surface, similar to filesystems and network stacks. The fix is a small bounds check patch, but the broader lesson is the importance of securing GPU drivers in enterprise and compute environments.