CVE-2023-0386

7.8 HIGH CISA KEV - Actively Exploited
Published: March 22, 2023 Modified: November 04, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
Source: secalert@redhat.com
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a
Source: secalert@redhat.com
Broken Link Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20230420-0004/
Source: secalert@redhat.com
Third Party Advisory
https://www.debian.org/security/2023/dsa-5402
Source: secalert@redhat.com
Third Party Advisory
http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20230420-0004/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2023/dsa-5402
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0386
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

13 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
61.6%
98th percentile
Exploitation Status
Actively Exploited
Remediation due: 2025-07-08

Weaknesses (CWE)

CWE-282

Affected Vendors

netapp debian linux canonical

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