🟡 Medium | Source: Microsoft Security Response Center
CVE-2025-71225 is a Linux kernel vulnerability affecting RAID array management, specifically a race condition that occurs when updating the number of RAID disks via sysfs without first suspending the array. This flaw could lead to system instability or potentially exploitable memory corruption. It is relevant to Azure environments where Linux-based virtual machines or managed services run on kernels with RAID configurations.
Security Architect’s Take: Review Linux VM images and Azure Kubernetes Service node pools to ensure host kernels are patched against this vulnerability; prioritise environments using software RAID (md/mdadm) and apply vendor kernel updates promptly via your patching pipeline.
Original advisory: CVE-2025-71225 md: suspend array while updating raid_disks via sysfs