ZDI-23-439: Linux Kernel RxRPC Race Condition Privilege Escalation Vulnerability

Published Apr 13, 2023
·
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.

Affected Software

1 affected component
Linux Kernel

Event History

Apr 13, 2023
Advisory Published
05:00 AM
Data Sourced
05:00 AM
Description
Feb 26, 2025
Advisory Published
via ZDI·03:45 PM

Frequently Asked Questions

1

What is ZDI-23-439 vulnerability?

ZDI-23-439 is a Linux Kernel vulnerability that allows local attackers to escalate privileges on affected installations.

2

How severe is ZDI-23-439 vulnerability?

ZDI-23-439 vulnerability has a severity level of 8.8 out of 10.

3

How can an attacker exploit ZDI-23-439 vulnerability?

In order to exploit ZDI-23-439 vulnerability, the attacker must first obtain the ability to execute low-privileged code on the target system.

4

Which software is affected by ZDI-23-439 vulnerability?

The Linux Kernel is affected by the ZDI-23-439 vulnerability.

5

Where can I find more information about ZDI-23-439 vulnerability?

You can find more information about ZDI-23-439 vulnerability at the Zero Day Initiative website and the official Linux Kernel source code repository.

Contact

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