Is CVE-2023-0386 in the CISA KEV catalog?

Yes. CVE-2023-0386 is on the CISA Known Exploited Vulnerabilities list, added 2025-06-17.

What is the CVSS severity of CVE-2023-0386?

CVE-2023-0386 has a CVSS v3 base score of 7.8 (HIGH).

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

CVE-2023-0386 has an EPSS score of 7.88% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-0386?

Upgrade linux on debian 11 to 5.10.179-1 or later. Fixes are available for 117 affected products.

CVE & CISA-KEV Catalog

CVE-2023-0386

HIGHCISA KEVEPSS 94th pctl

7.8

CVSS v3

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.

CWE-282

How to fix

Remediation Available

linuxDebian

Fixed in:5.10.179-1CVE-2023-0386

Fixed in:6.1.11-1CVE-2023-0386

awsUbuntu

Fixed in:5.4.0-1009LSN-0095-1

Fixed in:5.15.0-1000LSN-0095-1

aws-5.15Ubuntu

Fixed in:5.15.0-1000LSN-0095-1

aws-5.4Ubuntu

Fixed in:5.4.0-1069LSN-0095-1

azureUbuntu

Fixed in:5.4.0-1010LSN-0095-1

Fixed in:5.15.0-1000LSN-0095-1

azure-5.4Ubuntu

Fixed in:5.4.0-1069LSN-0095-1

gcpUbuntu

Fixed in:5.4.0-1009LSN-0095-1

Fixed in:5.15.0-1000LSN-0095-1

gcp-5.15Ubuntu

Fixed in:5.15.0-1000LSN-0095-1

gcp-5.4Ubuntu

Fixed in:5.4.0-1069LSN-0095-1

generic-5.4Ubuntu

Fixed in:5.4.0-26LSN-0095-1

gkeUbuntu

Fixed in:5.4.0-1033LSN-0095-1

Fixed in:5.15.0-1000LSN-0095-1

gke-5.15Ubuntu

Fixed in:5.15.0-1000LSN-0095-1

gke-5.4Ubuntu

Fixed in:5.4.0-1009LSN-0095-1

gkeopUbuntu

Fixed in:5.4.0-1009LSN-0095-1

gkeop-5.4Ubuntu

Fixed in:5.4.0-1007LSN-0095-1

ibmUbuntu

Fixed in:5.4.0-1009LSN-0095-1

Fixed in:5.15.0-1000LSN-0095-1

ibm-5.4Ubuntu

Fixed in:5.4.0-1009LSN-0095-1

linuxUbuntu

Fixed in:5.15.0-71LSN-0095-1

Fixed in:5.15.0-70.77USN-6025-1

Fixed in:5.19.0-41.42USN-6043-1

linux-awsUbuntu

Fixed in:5.15.0-1034.38USN-6025-1

Fixed in:5.19.0-1024.25USN-6043-1

linux-aws-5.15Ubuntu

Fixed in:5.15.0-1034.38~20.04.1USN-6025-1

linux-azureUbuntu

Fixed in:5.15.0-1036.43USN-6025-1

Fixed in:5.19.0-1025.28USN-6043-1

linux-azure-5.15Ubuntu

Fixed in:5.15.0-1036.43~20.04.1USN-6025-1

linux-azure-fdeUbuntu

Fixed in:5.15.0-1036.43.1USN-6025-1

linux-gcpUbuntu

Fixed in:5.15.0-1032.40USN-6025-1

Fixed in:5.19.0-1022.24USN-6043-1

linux-gcp-5.15Ubuntu

Fixed in:5.15.0-1032.40~20.04.1USN-6025-1

linux-gkeUbuntu

Fixed in:5.15.0-1031.36USN-6025-1

linux-gke-5.15Ubuntu

Fixed in:5.15.0-1031.36~20.04.1USN-6025-1

linux-gkeopUbuntu

Fixed in:5.15.0-1018.23USN-6025-1

linux-hwe-5.15Ubuntu

Fixed in:5.15.0-70.77~20.04.1USN-6040-1

linux-hwe-5.19Ubuntu

Fixed in:5.19.0-41.42~22.04.1USN-6043-1

linux-ibmUbuntu

Fixed in:5.15.0-1028.31USN-6025-1

Fixed in:5.19.0-1021.23USN-6043-1

linux-image-5.15.0-1018-gkeopUbuntu

Fixed in:5.15.0-1018.23USN-6025-1

linux-image-5.15.0-1027-raspiUbuntu

Fixed in:5.15.0-1027.29USN-6025-1

linux-image-5.15.0-1027-raspi-nolpaeUbuntu

Fixed in:5.15.0-1027.29USN-6025-1

linux-image-5.15.0-1028-ibmUbuntu

Fixed in:5.15.0-1028.31USN-6025-1

linux-image-5.15.0-1028-intel-iotgUbuntu

Fixed in:5.15.0-1028.33USN-6057-1

linux-image-5.15.0-1030-intel-iotgUbuntu

Fixed in:5.15.0-1030.35~20.04.1USN-6134-1

linux-image-5.15.0-1031-gkeUbuntu

Fixed in:5.15.0-1031.36~20.04.1USN-6025-1

Fixed in:5.15.0-1031.36USN-6025-1

linux-image-5.15.0-1031-kvmUbuntu

Fixed in:5.15.0-1031.36USN-6025-1

linux-image-5.15.0-1032-gcpUbuntu

Fixed in:5.15.0-1032.40~20.04.1USN-6025-1

Fixed in:5.15.0-1032.40USN-6025-1

linux-image-5.15.0-1033-oracleUbuntu

Fixed in:5.15.0-1033.39~20.04.1USN-6025-1

Fixed in:5.15.0-1033.39USN-6025-1

linux-image-5.15.0-1034-awsUbuntu

Fixed in:5.15.0-1034.38~20.04.1USN-6025-1

Fixed in:5.15.0-1034.38USN-6025-1

linux-image-5.15.0-1036-azureUbuntu

Fixed in:5.15.0-1036.43~20.04.1USN-6025-1

Fixed in:5.15.0-1036.43USN-6025-1

linux-image-5.15.0-1036-azure-fdeUbuntu

Fixed in:5.15.0-1036.43.1USN-6025-1

linux-image-5.15.0-70-genericUbuntu

Fixed in:5.15.0-70.77~20.04.1USN-6040-1

Fixed in:5.15.0-70.77USN-6025-1

linux-image-5.15.0-70-generic-64kUbuntu

Fixed in:5.15.0-70.77~20.04.1USN-6040-1

Fixed in:5.15.0-70.77USN-6025-1

linux-image-5.15.0-70-generic-lpaeUbuntu

Fixed in:5.15.0-70.77~20.04.1USN-6040-1

Fixed in:5.15.0-70.77USN-6025-1

linux-image-5.15.0-70-lowlatencyUbuntu

Fixed in:5.15.0-70.77~20.04.1USN-6025-1

Fixed in:5.15.0-70.77USN-6025-1

linux-image-5.15.0-70-lowlatency-64kUbuntu

Fixed in:5.15.0-70.77~20.04.1USN-6025-1

Fixed in:5.15.0-70.77USN-6025-1

linux-image-5.17.0-1031-oemUbuntu

Fixed in:5.17.0-1031.32USN-6071-1

linux-image-5.19.0-1017-raspiUbuntu

Fixed in:5.19.0-1017.24USN-6043-1

linux-image-5.19.0-1017-raspi-nolpaeUbuntu

Fixed in:5.19.0-1017.24USN-6043-1

linux-image-5.19.0-1021-ibmUbuntu

Fixed in:5.19.0-1021.23USN-6043-1

linux-image-5.19.0-1022-gcpUbuntu

Fixed in:5.19.0-1022.24USN-6043-1

linux-image-5.19.0-1022-kvmUbuntu

Fixed in:5.19.0-1022.23USN-6043-1

linux-image-5.19.0-1022-oracleUbuntu

Fixed in:5.19.0-1022.25USN-6043-1

linux-image-5.19.0-1023-lowlatencyUbuntu

Fixed in:5.19.0-1023.24USN-6043-1

linux-image-5.19.0-1023-lowlatency-64kUbuntu

Fixed in:5.19.0-1023.24USN-6043-1

linux-image-5.19.0-1024-awsUbuntu

Fixed in:5.19.0-1024.25USN-6043-1

linux-image-5.19.0-1025-azureUbuntu

Fixed in:5.19.0-1025.28USN-6043-1

linux-image-5.19.0-41-genericUbuntu

Fixed in:5.19.0-41.42~22.04.1USN-6043-1

Fixed in:5.19.0-41.42USN-6043-1

linux-image-5.19.0-41-generic-64kUbuntu

Fixed in:5.19.0-41.42~22.04.1USN-6043-1

Fixed in:5.19.0-41.42USN-6043-1

linux-image-5.19.0-41-generic-lpaeUbuntu

Fixed in:5.19.0-41.42~22.04.1USN-6043-1

Fixed in:5.19.0-41.42USN-6043-1

linux-image-6.0.0-1015-oemUbuntu

Fixed in:6.0.0-1015.15USN-6072-1

linux-image-awsUbuntu

Fixed in:5.15.0.1034.38~20.04.23USN-6025-1

Fixed in:5.19.0.1024.21USN-6043-1

linux-image-aws-lts-22.04Ubuntu

Fixed in:5.15.0.1034.33USN-6025-1

linux-image-azureUbuntu

Fixed in:5.15.0.1036.43~20.04.26USN-6025-1

Fixed in:5.15.0.1036.32USN-6025-1

Fixed in:5.19.0.1025.20USN-6043-1

linux-image-azure-cvmUbuntu

Fixed in:5.15.0.1036.43~20.04.26USN-6025-1

linux-image-azure-fdeUbuntu

Fixed in:5.15.0.1036.43.13USN-6025-1

linux-image-azure-lts-22.04Ubuntu

Fixed in:5.15.0.1036.32USN-6025-1

linux-image-gcpUbuntu

Fixed in:5.15.0.1032.40~20.04.1USN-6025-1

Fixed in:5.15.0.1032.27USN-6025-1

Fixed in:5.19.0.1022.18USN-6043-1

linux-image-genericUbuntu

Fixed in:5.15.0.70.68USN-6025-1

Fixed in:5.19.0.41.37USN-6043-1

linux-image-generic-64kUbuntu

Fixed in:5.15.0.70.68USN-6025-1

Fixed in:5.19.0.41.37USN-6043-1

linux-image-generic-64k-hwe-20.04Ubuntu

Fixed in:5.15.0.70.77~20.04.31USN-6040-1

linux-image-generic-64k-hwe-22.04Ubuntu

Fixed in:5.19.0.41.42~22.04.14USN-6043-1

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.15.0.70.77~20.04.31USN-6040-1

linux-image-generic-hwe-22.04Ubuntu

Fixed in:5.19.0.41.42~22.04.14USN-6043-1

linux-image-generic-lpaeUbuntu

Fixed in:5.15.0.70.68USN-6025-1

Fixed in:5.19.0.41.37USN-6043-1

linux-image-generic-lpae-hwe-20.04Ubuntu

Fixed in:5.15.0.70.77~20.04.31USN-6040-1

linux-image-generic-lpae-hwe-22.04Ubuntu

Fixed in:5.19.0.41.42~22.04.14USN-6043-1

linux-image-gkeUbuntu

Fixed in:5.15.0.1031.30USN-6025-1

linux-image-gke-5.15Ubuntu

Fixed in:5.15.0.1031.36~20.04.1USN-6025-1

Fixed in:5.15.0.1031.30USN-6025-1

linux-image-gkeopUbuntu

Fixed in:5.15.0.1018.17USN-6025-1

linux-image-gkeop-5.15Ubuntu

Fixed in:5.15.0.1018.17USN-6025-1

linux-image-ibmUbuntu

Fixed in:5.15.0.1028.24USN-6025-1

Fixed in:5.19.0.1021.18USN-6043-1

linux-image-intelUbuntu

Fixed in:5.15.0.1030.35~20.04.22USN-6134-1

linux-image-intel-iotgUbuntu

Fixed in:5.15.0.1030.35~20.04.22USN-6134-1

Fixed in:5.15.0.1028.27USN-6057-1

linux-image-kvmUbuntu

Fixed in:5.15.0.1031.27USN-6025-1

Fixed in:5.19.0.1022.19USN-6043-1

linux-image-lowlatencyUbuntu

Fixed in:5.15.0.70.75USN-6025-1

Fixed in:5.19.0.1023.19USN-6043-1

linux-image-lowlatency-64kUbuntu

Fixed in:5.15.0.70.75USN-6025-1

Fixed in:5.19.0.1023.19USN-6043-1

linux-image-lowlatency-64k-hwe-20.04Ubuntu

Fixed in:5.15.0.70.77~20.04.28USN-6025-1

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.15.0.70.77~20.04.28USN-6025-1

linux-image-oem-20.04Ubuntu

Fixed in:5.15.0.70.77~20.04.31USN-6040-1

linux-image-oem-20.04bUbuntu

Fixed in:5.15.0.70.77~20.04.31USN-6040-1

linux-image-oem-20.04cUbuntu

Fixed in:5.15.0.70.77~20.04.31USN-6040-1

linux-image-oem-20.04dUbuntu

Fixed in:5.15.0.70.77~20.04.31USN-6040-1

linux-image-oem-22.04Ubuntu

Fixed in:5.17.0.1031.29USN-6071-1

linux-image-oem-22.04aUbuntu

Fixed in:5.17.0.1031.29USN-6071-1

linux-image-oem-22.04bUbuntu

Fixed in:6.0.0.1015.15USN-6072-1

linux-image-oracleUbuntu

Fixed in:5.15.0.1033.39~20.04.1USN-6025-1

Fixed in:5.15.0.1033.28USN-6025-1

Fixed in:5.19.0.1022.18USN-6043-1

linux-image-raspiUbuntu

Fixed in:5.15.0.1027.24USN-6025-1

Fixed in:5.19.0.1017.16USN-6043-1

linux-image-raspi-nolpaeUbuntu

Fixed in:5.15.0.1027.24USN-6025-1

Fixed in:5.19.0.1017.16USN-6043-1

linux-image-virtualUbuntu

Fixed in:5.15.0.70.68USN-6025-1

Fixed in:5.19.0.41.37USN-6043-1

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.15.0.70.77~20.04.31USN-6040-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:5.19.0.41.42~22.04.14USN-6043-1

linux-intel-iotgUbuntu

Fixed in:5.15.0-1028.33USN-6057-1

linux-intel-iotg-5.15Ubuntu

Fixed in:5.15.0-1030.35~20.04.1USN-6134-1

linux-kvmUbuntu

Fixed in:5.15.0-1031.36USN-6025-1

Fixed in:5.19.0-1022.23USN-6043-1

linux-lowlatencyUbuntu

Fixed in:5.15.0-70.77USN-6025-1

Fixed in:5.19.0-1023.24USN-6043-1

linux-lowlatency-hwe-5.15Ubuntu

Fixed in:5.15.0-70.77~20.04.1USN-6025-1

linux-oem-5.17Ubuntu

Fixed in:5.17.0-1031.32USN-6071-1

linux-oem-6.0Ubuntu

Fixed in:6.0.0-1015.15USN-6072-1

linux-oracleUbuntu

Fixed in:5.15.0-1033.39USN-6025-1

Fixed in:5.19.0-1022.25USN-6043-1

linux-oracle-5.15Ubuntu

Fixed in:5.15.0-1033.39~20.04.1USN-6025-1

linux-raspiUbuntu

Fixed in:5.15.0-1027.29USN-6025-1

Fixed in:5.19.0-1017.24USN-6043-1

lowlatencyUbuntu

Fixed in:5.15.0-25LSN-0095-1

lowlatency-5.4Ubuntu

Fixed in:5.4.0-26LSN-0095-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

7.88%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Linux Kernel Improper Ownership Management Vulnerability

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.

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

Remediation due: 2025-07-08

References

Patch1

git.kernel.org

Third-Party Advisory5

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-282 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-23514	High	8.8	1.0%	-	-
CVE-2024-8949	Medium	6.3	0.7%	-	-
CVE-2024-3383	High	7.4	0.6%	-	Fix
CVE-2020-10632	High	8.8	0.5%	-	-
CVE-2022-29187	High	7.8	0.4%	-	Fix
CVE-2023-7226	Medium	6.3	0.4%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.