SB2023041047 - Red Hat Enterprise Linux 9 update for kpatch-patch



SB2023041047 - Red Hat Enterprise Linux 9 update for kpatch-patch

Published: April 10, 2023 Updated: June 17, 2025

Security Bulletin ID SB2023041047
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-0386)

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

The vulnerability exists due to unauthorized access to execution of setuid files in OverlayFS subsystem when copying a capable file from a nosuid mount into another mount. A local user can execute arbitrary code with root privileges.


Remediation

Install update from vendor's website.