CVE-2023-0386
- State
- Published
- Severity
- 7.8 High
- Published
- Mar 22, 2023
- Updated
- Oct 21, 2025
- Reserved
- Jan 18, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Kerneln/a |
|
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a
- https://security.netapp.com/advisory/ntap-20230420-0004/
- DSA-5402vendor-advisory
- [debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security updatemailing-list
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- [debian-lts-announce] 20240627 [SECURITY] [DLA 3840-1] linux security updatemailing-list
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0386government-resource
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