Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2023-0386

A flaw was found in the Linux kernel, 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.538
EPSS Ranking 97.8%
CVSS Severity
CVSS v3 Score 7.8
Proposed Action
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.
Ransomware Campaign
Unknown
References
Products affected by CVE-2023-0386


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