A critical memory corruption vulnerability (CVE-2026-64531, dubbed 'OVSwrap') in the Linux kernel's Open vSwitch datapath allows local users to escalate privileges to root access. The flaw affects numerous default-configured Linux distributions, with a public exploit already available covering approximately 800 kernel builds, posing significant risk to enterprise environments running Open vSwitch.
A memory corruption flaw in the Linux kernel's Open vSwitch datapath gives ordinary local users a path to root on a broad set of default-configured distributions, and a public exploit ships with pre-built records for roughly 800 kernel builds. The vulnerability, tracked as CVE-2026-64531 (CVSS score: 7.8) and codenamed OVSwrap by its discoverer, was disclosed by security researcher Asim
Originally published at thehackernews.com
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