VULNERABILITY INTELLIGENCE

CVE-2023-0386

CVSS score7.8 HIGH
EPSS probability7.88%
CISA KEVKnown exploited vulnerability
Published2023-03-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Linux Kernel Improper Ownership Management Vulnerability

Vendor / product: Linux / Kernel

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.

Weakness classification

  • secalert@redhat.com: CWE-282
  • nvd@nist.gov: NVD-CWE-Other

Primary references