CVE-2023-4147 (High) detected in linuxlinux-4.6

[mend-bolt-for-github[bot]]

CVE-2023-4147 - High Severity Vulnerability

Vulnerable Library - linuxlinux-4.6

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 984ffa0a89a9fdf8f38e12acd409f6c51477abd3

Found in base branch: master

Vulnerable Source Files (2)

/net/netfilter/nf_tables_api.c /net/netfilter/nf_tables_api.c

Vulnerability Details

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

Publish Date: 2023-08-07

URL: CVE-2023-4147

CVSS 3 Score Details (7.8)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2023-4147

Release Date: 2023-08-07

Fix Resolution: v5.10.190,v5.15.124,v6.1.43,v6.4.8,v6.5-rc4

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