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Vulnerabilities CVE-2023-0386

CVE-2023-0386

Medium
Open
KEV
TLP:CLEAR

Linux Kernel Improper Ownership Management Vulnerability

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Description

Linux — Kernel — 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.

Details

EPSS Score
7.88%

94.2th percentile

Confidence
100%
CISA KEV
Date Added
Jun 17, 2025
Patch Due
Jul 8, 2025
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.
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