New OVSwrap Linux Vulnerability Lets Attackers Gain Root Access

A newly disclosed Linux kernel vulnerability, tracked as CVE-2026-64531 and dubbed OVSwrap, allows unprivileged local users to escalate privileges to root on a wide range of popular Linux distributions. The flaw lives inside the Open vSwitch (OVS) kernel datapath, a networking component widely used in cloud, container, and virtualization platforms, and was uncovered using an experimental research approach by Asim Viladi Oglu Manizada that pairs large language models with structured memory-geometry visualizations to reason through complex kernel memory bugs. Open vSwitch takes a list of network “actions” from userspace and rewrites them into an internal format stored using Netlink attributes, each of which has a length...

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