ZDI-CAN-30223: ZDI-26-689: Linux Kernel SCTP Subsystem Race Condition Information Disclosure Vulnerability
Published Sep 14, 2026
·Updated
This vulnerability allows local attackers to disclose sensitive information 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 6.4. The following CVEs are assigned: CVE-2026-46227.
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
Who is exposed to this issue?
Affected Linux Kernel installations are exposed to local attackers who can execute low-privileged code on the target system. The available information does not indicate that remote access alone is sufficient.
2
What access does an attacker need to exploit it?
The attacker must first be able to run low-privileged code locally on the affected system. The issue is described as an information disclosure vulnerability in the SCTP subsystem.