IM
IronMonkey Threat Research

CVE-2022-42432 MEDIUM

Published: 2023-03-29 | Last Modified: 2024-11-21 | Status: Modified

Description

This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kernel 6.0-rc2. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the nft_osf_eval function. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-18540.

CVSS Metrics

Base Score: 4.4 (MEDIUM)

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

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredHIGH
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactNONE
Availability ImpactNONE

Source: [email protected]

Type: Primary

Exploitability Score: 0.8

Impact Score: 3.6

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-457

Affected Products

Vendor Product Version Update Type
linux linux_kernel 6.0 <built-in method update of dict object at 0x7fd384210640> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*