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HIGH · 7.8

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...

Vulnerability 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.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
DebianDebian Linux10.0
NetappH300S Firmware-
NetappH300S-
NetappH500S Firmware-
NetappH500S-
NetappH700S Firmware-
NetappH700S-
NetappH410S Firmware-
NetappH410S-
NetappH410C Firmware-
NetappH410C-
CanonicalUbuntu Linux18.04
LinuxLinux Kernel>= 5.11, < 5.15.91

Related Weaknesses (CWE)

CWE-282

References

FAQ

What is CVE-2023-0386?

CVE-2023-0386 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...

How severe is CVE-2023-0386?

CVE-2023-0386 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-0386?

Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Netapp H300S Firmware, Netapp H300S, Netapp H500S Firmware, Netapp H500S.