CVE-2023-4194 Vulnerability Details

  /     /     /  

CVE-2023-4194 Metadata Quick Info

CVE Published: 07/08/2023 | CVE Updated: 21/11/2024 | CVE Year: 2023
Source: redhat | Vendor: Red Hat | Product: Red Hat Enterprise Linux 9
Status : PUBLISHED

---

CVE-2023-4194 Description

A flaw was found in the Linux kernel\'s TUN/TAP functionality. This issue could allow a local user to bypass network filters and gain unauthorized access to some resources. The original patches fixing CVE-2023-1076 are incorrect or incomplete. The problem is that the following upstream commits - a096ccca6e50 ("tun: tun_chr_open(): correctly initialize socket uid"), - 66b2c338adce ("tap: tap_open(): correctly initialize socket uid"), pass "inode->i_uid" to sock_init_data_uid() as the last parameter and that turns out to not be accurate.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID: CWE-863
CWE Name: Incorrect Authorization
Source: Red Hat

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).