7.8

CVE-2023-0386

Warnung

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.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Debian ≫ Debian Linux Version10.0
Netapp ≫ H300s Firmware Version-
   Netapp ≫ H300s Version-
Netapp ≫ H500s Firmware Version-
   Netapp ≫ H500s Version-
Netapp ≫ H700s Firmware Version-
   Netapp ≫ H700s Version-
Netapp ≫ H410s Firmware Version-
   Netapp ≫ H410s Version-
Netapp ≫ H410c Firmware Version-
   Netapp ≫ H410c Version-
Canonical ≫ Ubuntu Linux Version18.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version20.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version22.04 SwEditionlts
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.91
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.9
Linux ≫ Linux Kernel Version6.2 Updaterc1
Linux ≫ Linux Kernel Version6.2 Updaterc2
Linux ≫ Linux Kernel Version6.2 Updaterc3
Linux ≫ Linux Kernel Version6.2 Updaterc4
Linux ≫ Linux Kernel Version6.2 Updaterc5

17.06.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Linux Kernel Improper Ownership Management Vulnerability

Schwachstelle

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.

Beschreibung

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

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 56.35% 0.98
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-282 Improper Ownership Management

The product assigns the wrong ownership, or does not properly verify the ownership, of an object or resource.