ZDI-26-701: Linux Kernel TLS Protocol Out-Of-Bounds Read 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 high-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.7. The following CVEs are assigned: CVE-2026-64046.

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 realistically exposed to this issue?

Affected Linux Kernel installations are exposed only to attackers who can execute high-privileged code locally on the target system. It is therefore most relevant where privileged local code execution has already been obtained or delegated.

2

What does an attacker need to exploit the vulnerability?

The attacker must first gain the ability to execute high-privileged code on the target system. The provided information does not describe a remote exploitation path or any additional prerequisites.

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