Threat intelligence / Vulnerability
CVE-2023-0386
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.
Vulnerability
TypeVulnerability
External ID—
First seen2025-06-17
Last seen2025-06-17
Confidence
—
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.
Labels
CISA KEV context
Vendor / productLinux Kernel
Added2025-06-17
Due date2025-07-08
3 recorded
Relationships
2 external