CVE-2023-4015 Vulnerability Details

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CVE-2023-4015 Metadata Quick Info

CVE Published: 06/09/2023 | CVE Updated: 02/08/2024 | CVE Year: 2023
Source: Google | Vendor: Linux | Product: Kernel
Status : PUBLISHED

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CVE-2023-4015 Description

A use-after-free vulnerability in the Linux kernel\'s netfilter: nf_tables component can be exploited to achieve local privilege escalation. On an error when building a nftables rule, deactivating immediate expressions in nft_immediate_deactivate() can lead unbinding the chain and objects be deactivated but later used. We recommend upgrading past commit 0a771f7b266b02d262900c75f1e175c7fe76fec2.

Metrics

CVSS Version: 3.1 | Base Score: 7.8 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* LOCAL
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* LOW
    User Interaction (UI)* NONE
    Scope (S)* UNCHANGED

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

Weakness Enumeration (CWE)

CWE-ID: CWE-416
CWE Name: CWE-416 Use After Free
Source: Linux

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID: CAPEC-233
CAPEC Description: CAPEC-233 Privilege Escalation


Source: NVD (National Vulnerability Database).