ZDI-CAN-31642: ZDI-26-688: Linux Kernel OpenvSwitch Race Condition Local Privilege Escalation Vulnerability
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
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Affected Linux Kernel installations are exposed where an attacker can already execute low-privileged code locally. The issue is a local privilege-escalation vulnerability, so the provided information does not indicate remote exploitation without prior code execution on the target.
What access does an attacker need to exploit it?
An attacker must first be able to execute low-privileged code on the target system. Successful exploitation can then allow escalation of privileges.