CVE-2023-0386
HIGH KEVLocal Privilege Escalation via CVE-2023-0386
Title source: metasploitDescription
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.
Exploits (17)
nomisec
WRITEUP
4 stars
by Satheesh575555 · poc
https://github.com/Satheesh575555/linux-4.19.72_CVE-2023-0386
metasploit
WORKING POC
EXCELLENT
by xkaneiki, sxlmnwb, Takahiro Yokoyama · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2023_0386_overlayfs_priv_esc.rb
References (7)
Scores
CVSS v3
7.8
EPSS
0.5298
EPSS Percentile
98.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CISA KEV
2025-06-17
VulnCheck KEV
2025-06-17
ENISA EUVD
EUVD-2023-12447
CWE
CWE-282
Status
published
Products (11)
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
20.04
canonical/ubuntu_linux
22.04
debian/debian_linux
10.0
linux/linux_kernel
6.2 rc1 (5 CPE variants)
linux/linux_kernel
5.11 - 5.15.91
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500s_firmware
... and 1 more
Published
Mar 22, 2023
KEV Added
Jun 17, 2025
Tracked Since
Feb 18, 2026