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CVE-2023-0386

KEV

Linux Kernel Improper Ownership Management Vulnerability

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Vendor / Project
Linux
Product
Kernel
Date added
Jun 17, 2025
Due date
Jul 8, 2025
Known ransomware use
Unknown
CWEs
CWE-282

Description

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.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes