Vulnerability Intelligence Report
Linux Kernel Improper Ownership Management Vulnerability
CVE-2023-0386
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:7.88%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-282 ↗CWE-282
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| debian | debian_linux | 10.0 |
| netapp | h300s_firmware | all |
| netapp | h300s | all |
| netapp | h500s_firmware | all |
| netapp | h500s | all |
| netapp | h700s_firmware | all |
| netapp | h700s | all |
| netapp | h410s_firmware | all |
| netapp | h410s | all |
| netapp | h410c_firmware | all |
| netapp | h410c | all |
| canonical | ubuntu_linux | 18.04, 20.04, 22.04 |
| linux | linux_kernel | 6.2 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Red Hat, Inc. · Vendor · USA |
| Reserved | 2023-01-18T00:00:00 |
| Published | 2023-03-22T00:00:00 |
| Last Updated | 2025-10-21T23:15:22 |
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