Microsoft security update for CVE-2023-0386
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-0386. This page also shows what EchelonGraph holds for CVE-2023-0386, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products3
- cbl2 kernel 5.15.107.1-2 on CBL Mariner 2.0
- cm1 hyperv-daemons 5.10.188.1-1 on CBL Mariner 1.0
- cm1 kernel 5.10.185.1-1 on CBL Mariner 1.0
✅ Updates Microsoft lists: 3 updates
3 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.
| KB article | Update | Fixed build |
|---|---|---|
| — | Security Update | 5.10.188.1-1 |
| — | Security Update | 5.10.185.1-1 |
| — | Security Update | 5.15.107.1-2 |
🧭 EchelonGraph on CVE-2023-0386
- EchelonGraph score
- 9.0 CRITICAL
- CISA KEV
- Listed since June 17, 2025
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
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.
Published by Red Hat, Inc., the CVE Numbering Authority that assigned CVE-2023-0386, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).