ZDI-26-688: Linux Kernel OpenvSwitch Race Condition Local Privilege Escalation Vulnerability
Published Sep 14, 2026
·Updated
This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-74465.
Affected Software
1 affected component
Linux Kernel
Event History
Sep 14, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The attacker must already be able to execute low-privileged code on the affected system. This is a local privilege-escalation issue rather than a remote, unauthenticated attack.
2
Who is exposed to this vulnerability?
Affected Linux Kernel installations are exposed when a local low-privileged user or process can execute code on the system. The provided information does not identify affected kernel versions or configuration prerequisites.