cve 2026 45476

CVE-2026-45476 is a security vulnerability affecting Linux systems that use the Microsoft Azure Network Adapter (MANA) driver. The issue requires a kernel update that includes the upstream fix or a security kernel patch from your Linux distribution. Despite Microsoft's involvement in the advisory, this is not a Windows desktop update but a Linux kernel maintenance concern at the intersection of Azure infrastructure and cloud-hosted Linux fleets. The recommended response involves inventorying affected systems, applying the appropriate patch, rebooting, and verifying the fix. This tag covers discussions on the vulnerability, its impact on Azure-connected Linux environments, and the steps needed to remediate it.