Known Exploited Vulnerability
7.8
HIGH
CVE-2023-0386
Linux Kernel Improper Ownership Management Vulnera - [Actively Exploited]
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.

INFO

Published Date :

March 22, 2023, 9:15 p.m.

Last Modified :

June 18, 2025, 3 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Linux Kernel contains an improper ownership management vulnerability, 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.

Required Action :

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

Notes :

This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a ; https://access.redhat.com/security/cve/cve-2023-0386 ; https://security.netapp.com/advisory/ntap-20230420-0004/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-0386

Public PoC/Exploit Available at Github

CVE-2023-0386 has a 47 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-0386 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp h410c_firmware
2 Netapp h300s_firmware
3 Netapp h500s_firmware
4 Netapp h700s_firmware
5 Netapp h410s_firmware
6 Netapp h300s
7 Netapp h410s
8 Netapp h500s
9 Netapp h700s
10 Netapp h410c
1 Linux linux_kernel
1 Canonical ubuntu_linux
1 Debian debian_linux
: Total Affected Vendor : 4 | Products : 13
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-0386.

URL Resource
http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a Mailing List Patch Vendor Advisory Broken Link
https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20230420-0004/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5402 Third Party Advisory
http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a Mailing List Patch Vendor Advisory Broken Link
https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20230420-0004/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5402 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
bright-angel/sec-repos

None

Updated: 2 weeks, 5 days ago
0 stars 0 fork 0 watcher
Born at : May 30, 2025, 3:08 a.m. This repo has been linked 40 different CVEs too.
Profile Photo
schoi1337/dockout

Red-team oriented CVE exploitation framework for container escapes, with simulation and reporting features.

container-security cve docker exploit pentest-tool redteam simulate-mode

Python Dockerfile

Updated: 2 weeks, 6 days ago
0 stars 0 fork 0 watcher
Born at : May 27, 2025, 12:16 a.m. This repo has been linked 6 different CVEs too.
Profile Photo
b1ank1108/awesome-stars

my starred repositories, powered by LLM-Star-Classifier

Updated: 1 month, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : April 2, 2025, 1:44 p.m. This repo has been linked 9 different CVEs too.
Profile Photo
orilevy8/cve-2023-0386

None

Python

Updated: 3 months ago
0 stars 0 fork 0 watcher
Born at : March 17, 2025, 9:01 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
ileisd/CiberSeg-Estudi

Recull d'apunts, cheatsheet, scripts i writeups com a formació per les diferents certificacions planejades.

Shell Python

Updated: 3 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 16, 2025, 12:14 p.m. This repo has been linked 4 different CVEs too.
Profile Photo
Ant0nioPer3ira/t0n1-2025-main

None

Updated: 4 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 26, 2025, 7:52 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
devilzsecurity/2million-htb-root

None

Shell

Updated: 2 months ago
7 stars 0 fork 0 watcher
Born at : Nov. 18, 2024, 11:01 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
MGamalCYSEC/ExploitFix-Linux

A collection of fixed, tested, and detailed Linux exploits with step-by-step walkthroughs. Perfect for ethical research, learning, and enhancing your offensive security skills.

Updated: 7 months ago
0 stars 0 fork 0 watcher
Born at : Nov. 15, 2024, 7:37 p.m. This repo has been linked 5 different CVEs too.
Profile Photo
OSS-SASM/RhsaCveScanner

None

Python

Updated: 5 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 30, 2024, 1:15 a.m. This repo has been linked 23 different CVEs too.
Profile Photo
hungslab/awd-tools

一些与awd竞赛相关的一些脚本，和经验笔记。

Python PHP Shell C CSS JavaScript

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : May 28, 2024, 3:43 a.m. This repo has been linked 18 different CVEs too.
Profile Photo
0xMarcio/cve

Latest CVEs with their Proof of Concept exploits.

Python

Updated: 1 month, 1 week ago
43 stars 5 fork 5 watcher
Born at : May 24, 2024, 11:02 a.m. This repo has been linked 84 different CVEs too.
Profile Photo
whoami13apt/files2

None

Updated: 6 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : May 16, 2024, 2:53 p.m. This repo has been linked 48 different CVEs too.
Profile Photo
EstamelGG/CVE-2023-0386-libs

CVE-2023-0386 包含所需运行库

C

Updated: 1 year, 1 month ago
0 stars 0 fork 0 watcher
Born at : April 22, 2024, 11:33 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
churamanib/CVE-2023-0386

None

Makefile C

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : April 5, 2024, 5:47 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
letsr00t/CVE-2023-0386

None

Updated: 1 year, 3 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 29, 2024, 6:22 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-0386 vulnerability anywhere in the article.

  • The Cyber Express
CISA Flags CVE-2023-0386 as Actively Exploited Linux Kernel Privilege Escalation Threat

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning about the active exploitation of a critical Linux kernel vulnerability, officially listed as CVE-2023-0386. The vulnerabilit ... Read more

Published Date: Jun 18, 2025 (12 hours, 7 minutes ago)
CVE-2025-6029 CVE-2024-26809 CVE-2023-0386
  • security.nl
Cyberagentschap VS meldt actief misbruik van lek in Linux-kernel

Aanvallers maken actief misbruik van een kwetsbaarheid in de Linux-kernel waardoor een niet-geprivilegeerde lokale gebruiker rootrechten kan krijgen. Dat laat het Amerikaanse cyberagentschap CISA wete ... Read more

Published Date: Jun 18, 2025 (15 hours, 38 minutes ago)
CVE-2023-0386
  • The Hacker News
CISA Warns of Active Exploitation of Linux Kernel Privilege Escalation Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday placed a security flaw impacting the Linux kernel in its Known Exploited Vulnerabilities (KEV) catalog, stating it has been ... Read more

Published Date: Jun 18, 2025 (17 hours, 30 minutes ago)
CVE-2023-32629 CVE-2023-2640 CVE-2023-0386
  • Daily CyberSecurity
Linux Kernel Flaw (CVE-2023-0386) Actively Exploited for Root Privilege Escalation, PoC Available

A dangerous Linux privilege escalation vulnerability, CVE-2023-0386, has officially entered the CISA Known Exploited Vulnerabilities (KEV) Catalog amid confirmed reports of active exploitation in the ... Read more

Published Date: Jun 18, 2025 (23 hours, 28 minutes ago)
CVE-2023-0386

The following table lists the changes that have been made to the CVE-2023-0386 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jun. 18, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*
    Changed Reference Type CVE: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a Types: Mailing List, Patch, Vendor Advisory CVE: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a Types: Broken Link, Mailing List, Patch, Vendor Advisory
    Changed Reference Type Red Hat, Inc.: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a Types: Mailing List, Patch, Vendor Advisory Red Hat, Inc.: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a Types: Broken Link, Mailing List, Patch, Vendor Advisory
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html Types: Mailing List, Third Party Advisory
    Added Reference Type Red Hat, Inc.: https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html Types: Mailing List, Third Party Advisory
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jun. 18, 2025

    Action Type Old Value New Value
    Added Date Added 2025-06-17
    Added Due Date 2025-07-08
    Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
    Added Vulnerability Name Linux Kernel Improper Ownership Management Vulnerability
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 16, 2025

    Action Type Old Value New Value
    Removed CWE CWE-282
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 26, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-282
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a
    Added Reference https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html
    Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
    Added Reference https://security.netapp.com/advisory/ntap-20230420-0004/
    Added Reference https://www.debian.org/security/2023/dsa-5402
  • CVE Modified by [email protected]

    Jun. 27, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html [No types assigned]
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Jun. 26, 2023

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html No Types Assigned http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html Third Party Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a Mailing List, Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a Mailing List, Patch, Vendor Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20230420-0004/ No Types Assigned https://security.netapp.com/advisory/ntap-20230420-0004/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5402 No Types Assigned https://www.debian.org/security/2023/dsa-5402 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.2 *cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.91 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.9 *cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 22, 2023

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 05, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 14, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5402 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 20, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20230420-0004/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 27, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a Mailing List, Patch
    Added CWE NIST NVD-CWE-Other
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.2 *cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-0386 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-0386 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

55.44 }} 32.38%

score

0.97911

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
:
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Latest DB Update: Jun. 19, 2025 0:13