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HIGH Vulnerabilities

OVSwrap memory corruption enables local root in Open vSwitch datapath (CVE-2026-64531)

Source headline: New OVSwrap Linux Kernel Flaw Lets Local Users Gain Root via Open vSwitch

Threat level High
Signal strength 75/100
Source confidence 1 source
Published 19 hours ago

Intelligence Summary

A memory corruption flaw in the Linux kernel Open vSwitch datapath can be exploited by ordinary local users to gain root privileges. The issue, tracked as CVE-2026-64531, impacts a wide range of distributions that ship Open vSwitch with default settings. An accompanying public exploit includes pre-built records for hundreds of different kernel builds. With a CVSS score of 7.8, the vulnerability is a high-impact privilege escalation risk on affected systems. Users should check whether their Open vSwitch and kernel versions are vulnerable and apply the vendor or kernel fixes as soon as available.

Recommended Action

Review affected assets, schedule urgent remediation, and monitor related indicators.

Topics

#privilege-escalation #local-root #cve-2026-64531 #exploit-public #linux-kernel #openvswitch
Original reporting The Hacker News New OVSwrap Linux Kernel Flaw Lets Local Users Gain Root via Open vSwitch
Open original source

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