IM
IronMonkey Threat Research

CVE-2023-32233 HIGH

Published: 2023-05-08 | Last Modified: 2025-05-05 | Status: Modified

Description

In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.

CVSS Metrics

Base Score: 7.8 (HIGH)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

Impact Score: 5.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-416
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-416

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd360690f80> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3106f3f00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3841231c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd341731500> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd360690080> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3606924c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd368e88f40> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd384e28bc0> Operating System
redhat enterprise_linux 7.0 <built-in method update of dict object at 0x7fd289fb9940> Operating System
redhat enterprise_linux 8.0 <built-in method update of dict object at 0x7fd360693ac0> Operating System
redhat enterprise_linux 9.0 <built-in method update of dict object at 0x7fd3606918c0> Operating System
netapp hci_baseboard_management_controller h300s <built-in method update of dict object at 0x7fd38465bb80> Application
netapp hci_baseboard_management_controller h410c <built-in method update of dict object at 0x7fd360693b40> Application
netapp hci_baseboard_management_controller h410s <built-in method update of dict object at 0x7fd384122f00> Application
netapp hci_baseboard_management_controller h500s <built-in method update of dict object at 0x7fd360692e00> Application
netapp hci_baseboard_management_controller h700s <built-in method update of dict object at 0x7fd360691ac0> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:*

References