Is CVE-2023-0386 actively exploited?

CVE-2023-0386 has no public evidence of in-the-wild exploitation as of 2025-11-04.

What is the CVSS score for CVE-2023-0386?

CVE-2023-0386 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2023-0386?

Patch guidance is available from debian security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-0386.

Fix CVE-2023-0386 - HIGH debian debian linux

Q: Which products are affected by CVE-2023-0386?

16 products: debian debian linux, netapp h300s firmware, netapp h500s firmware, netapp h700s firmware, netapp h410s firmware, and 11 more.

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-282NVD-CWE-Other

Metadata

Primary Vendor: DEBIAN
Published: 3/22/2023
Last Modified: 11/4/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

debian : debian_linuxnetapp : h300s_firmwarenetapp : h500s_firmwarenetapp : h700s_firmwarenetapp : h410s_firmwarenetapp : h410c_firmwarecanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxlinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernellinux : linux_kernel

Remediation Guidance

Executive Summary

View on NIST NVD