SB2023042534 - Red Hat Enterprise Linux 9.0 Extended Update Support update for kpatch-patch
Published: April 25, 2023 Updated: June 17, 2025
Breakdown by Severity
- 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.