Check Point Advisories

Linux Kernel Buffer Overflow (CVE-2022-0435)

Check Point Reference: CPAI-2022-1727
Date Published: 5 Sep 2023
Severity: High
Last Updated: Tuesday 05 September, 2023
Industry Reference:CVE-2022-0435
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Linux Kernel 4.8 and later, prior to 4.9.301
Linux Kernel 4.10 and later, prior to 4.14.266
Linux Kernel 4.15 and later, prior to 4.19.229
Linux Kernel 4.20 and later, prior to 5.4.179
Linux Kernel 5.5 and later, prior to 5.10.100
Linux Kernel 5.11 and later, prior to 5.15.23
Linux Kernel 5.16 and later, prior to 5.16.9
Linux Kernel 5.17 -
Linux Kernel 5.17 Release Candidate 1
Linux Kernel 5.17 Release Candidate 2
Linux Kernel 5.17 Release Candidate 3
Vulnerability Description A buffer overflow vulnerability exists in Linux Kernel. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes.

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

  1. In the IPS tab, click Protections and find the Linux Kernel Buffer Overflow (CVE-2022-0435) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Linux Kernel Buffer Overflow (CVE-2022-0435)

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