What is the severity of ZDI-24-020?

ZDI-24-020 is considered a high severity vulnerability due to its potential for arbitrary code execution by local attackers.

How do I fix ZDI-24-020?

To fix ZDI-24-020, update your Linux Kernel to the latest version that addresses this vulnerability.

Who is affected by ZDI-24-020?

The vulnerability ZDI-24-020 affects installations of the Linux Kernel that are running vulnerable versions.

What type of attacks can ZDI-24-020 facilitate?

ZDI-24-020 can facilitate local privilege escalation attacks that allow an attacker to execute arbitrary code.

Vulnerability/
ZDI-24-020

high

8.8

9/1/2024

26/2/2025

ZDI-24-020: Linux Kernel GSM Multiplexing Race Condition Local Privilege Escalation Vulnerability

First published: Tue Jan 09 2024(Updated: )

This vulnerability allows local attackers to execute arbitrary code 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 specific flaw exists within the n_gsm driver. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the kernel.

Affected Software	Affected Version	How to fix
Red Hat Kernel-devel

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Frequently Asked Questions

What is the severity of ZDI-24-020?
ZDI-24-020 is considered a high severity vulnerability due to its potential for arbitrary code execution by local attackers.
How do I fix ZDI-24-020?
To fix ZDI-24-020, update your Linux Kernel to the latest version that addresses this vulnerability.
Who is affected by ZDI-24-020?
The vulnerability ZDI-24-020 affects installations of the Linux Kernel that are running vulnerable versions.
What type of attacks can ZDI-24-020 facilitate?
ZDI-24-020 can facilitate local privilege escalation attacks that allow an attacker to execute arbitrary code.
What conditions must be met to exploit ZDI-24-020?
An attacker must first have the ability to execute low-privileged code on the target system to exploit ZDI-24-020.

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alias/ZDI-CAN-20527
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collector/zdi-advisory
alias/ZDI-24-020
alias/CVE-2023-6546
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agent/software-canonical-lookup-request
vendor/linux
canonical/red hat kernel-devel

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