ZDI-26-683: Linux Kernel IPv6 VTI Subsystem Use-After-Free 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 high-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-72463.
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
Can this be exploited by an unauthenticated remote attacker?
The reported attack is local. Exploitation requires the attacker to first be able to execute high-privileged code on the target system; the provided information does not describe a remote exploitation path.
2
Are affected kernel versions or a fix identified?
No affected Linux Kernel versions, fixed versions, or patch details are provided in the available advisory data.