SB2025120556 - Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.13



SB2025120556 - Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.13

Published: December 5, 2025

Security Bulletin ID SB2025120556
Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 20% Low 80%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Creation of Temporary File With Insecure Permissions (CVE-ID: CVE-2025-4953)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to data written to RUN --mount=type=bind mounts during the podman build is not discarded. A local user can gain access to temporary files.


2) Out-of-bounds read (CVE-ID: CVE-2025-5318)

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the sftp_handle() function. A remote user can trigger an out-of-bounds read error and read contents of memory on the system.


3) UNIX symbolic link following (CVE-ID: CVE-2025-31133)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue within the maskedPaths feature. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.


4) UNIX symbolic link following (CVE-ID: CVE-2025-52565)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue related to /dev/console mounts. A local user can escape the container using a malicious config and escalate privileges on the system.


5) UNIX symbolic link following (CVE-ID: CVE-2025-52881)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue related to procfs write redirects. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.


Remediation

Install update from vendor's website.