NetSight
IP …
high7.8Known exploited

CVE-2023-0386

Linux Kernel Improper Ownership Management Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2025-06-17. Federal due date: 2025-07-08.

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

Impact

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.

Affected products

VendorProductAffected versions
DebianDebian Linux
Version 10.0
NetappH300s Firmware
All versions
NetappH500s Firmware
All versions
NetappH700s Firmware
All versions
NetappH410s Firmware
All versions
NetappH410c Firmware
All versions
CanonicalUbuntu Linux
Versions 18.04, 20.04, 22.04
LinuxLinux Kernel
from 5.11 before 5.15.91
from 5.16 before 6.1.9
Version 6.2

Weakness classification

CWE-282

References