Check Point Advisories

Linux Kernel Out of Bounds Read (CVE-2022-47938)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-1740
Date Published:	24 Jul 2025
Severity:	Medium
Last Updated:	Thursday 24 July, 2025
Source:
Industry Reference:	CVE-2022-47938
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Linux Kernel from v5.15 prior to v5.15.61 Linux Kernel from v5.18 prior to v5.18.18 Linux Kernel from v5.19 prior to v5.19.2
Vulnerability Description	An out of bounds read vulnerability exists in Linux Kernel. Successful exploitation of this vulnerability could allow a remote attacker to obtain sensitive information.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Linux Kernel Out of Bounds Read (CVE-2022-47938) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Content Protection Violation.
Attack Information: Linux Kernel Out of Bounds Read (CVE-2022-47938)