🟡 Medium | Source: Microsoft Security Response Center
CVE-2025-68296 is a race condition vulnerability in the Linux kernel affecting the DRM (Direct Rendering Manager), fbcon (framebuffer console), and vga_switcheroo subsystems during framebuffer console setup. Race conditions of this nature can potentially be exploited to cause system instability or, in certain configurations, enable privilege escalation or denial of service. While this originates in the Linux kernel, it is relevant to Azure environments running Linux-based virtual machines and container workloads.
Security Architect’s Take: Review your Azure Linux VM and AKS node pool configurations to identify workloads running affected kernel versions, and prioritise patching through your distribution’s update mechanism. Where possible, enforce automated kernel patching policies using Azure Update Manager to reduce exposure windows on Linux-based compute resources.
Original advisory: CVE-2025-68296 drm, fbcon, vga_switcheroo: Avoid race condition in fbcon setup