CVE-2023-0386 — Linux Kernel Improper Ownership Management Vulnerability
2025-06-17 • CISA Known Exploited Vulnerability
[event] Linux Kernel contains an improper ownership management vulnerability, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Linux |
| Product | Kernel |
| CWE | CWE-282 |
| CVE ID | CVE-2023-0386 |
| Date Added | 2025-06-17 |
| Due Date | 2025-07-08 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2025-07-08