CVE detail
CVE-2023-0386 — Linux Kernel Improper Ownership Management Vulnerability
Published 2025-06-17 · Modified 2025-06-17 · Source kev
HIGH
severity
CVSS-derived band
0.0788
EPSS probability
exploitation probability, 30d
94.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2025-07-08
⚠ Actively exploited in the wild — CISA KEV listed 2025-06-17, federal remediation due 2025-07-08.
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References